CN213645769U - Rivet removing device - Google Patents
Rivet removing device Download PDFInfo
- Publication number
- CN213645769U CN213645769U CN202022420947.1U CN202022420947U CN213645769U CN 213645769 U CN213645769 U CN 213645769U CN 202022420947 U CN202022420947 U CN 202022420947U CN 213645769 U CN213645769 U CN 213645769U
- Authority
- CN
- China
- Prior art keywords
- punch
- hole
- sleeve
- rivet
- positioning
- Prior art date
- 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.)
- Active
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000004080 punching Methods 0.000 claims abstract description 15
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Insertion Pins And Rivets (AREA)
Abstract
The utility model discloses a rivet removing device, which comprises a punch head component, a supporting sleeve and a push rod; the punch assembly comprises a punch, a punch positioning protective sleeve, a positioning guide sleeve and a compression spring which are coaxially matched; one end of the punch positioning protective sleeve is provided with a first through hole communicated with the inner cavity of the punch positioning protective sleeve; the positioning guide sleeve is movably matched with the first through hole, and the positioning guide sleeve is provided with a second through hole and a spherical hole which are communicated with each other. The utility model has the advantages that: the punch is effectively protected and is limited by the punching amount, the operation safety is improved, the punch cannot slide to damage a workpiece, the stress of the punch is balanced, the loss of the punch can be effectively reduced, the push rod is used for replacing the punch to eject the rivet, the length of the punch can be reduced, the punch is not easy to break, the service life of the punch is prolonged, the rivet cover can automatically fall off, and manual intervention is not needed.
Description
Technical Field
The utility model relates to a tooling equipment field specifically indicates a rivet demolishs device.
Background
When the rivet on the existing automobile frame or other steel (workpiece) is riveted in a wrong position or is riveted askew, a rivet needs to be dismantled by using a dismantling device, as shown in fig. 1, the existing rivet dismantling device generally comprises a punch 14 and a support sleeve 15 which are connected with a hydraulic riveting pliers and matched with the hydraulic riveting pliers, wherein a positioning sleeve 16 is also arranged on the support sleeve for realizing the prepositioning of the rivet, and when the rivet is dismantled, the punch and the support sleeve are coaxially aligned with the rivet and are oppositely extruded, so that the rivet is ejected out of the workpiece to realize the dismantling of the rivet. The existing rivet removing device has the following defects: 1. the plunger lacks an effective protection device, has poor safety during operation and is easy to hurt people; 2. the punch lacks an effective guide device, and the end surface of the rivet contacted with the punch is an irregular end surface, so that the contact point of the punch and the rivet is irregular, the stress of the punch is unbalanced, the loss is large, and the punch is easy to break; the irregular contact causes the punch rod to easily slide and hurt the workpiece; 3. the rivet cover on the punch is not easy to fall off, and needs to be knocked by a hammer manually to fall off, so that the use convenience is poor, and the rivet removing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems of low demolition efficiency, short service life and poor safety of the demolition equipment of the existing rivet, and provides a rivet demolition device with high demolition efficiency, long service life and good safety, which comprises a punch assembly, a support sleeve and a push rod; the punch assembly comprises a punch, a punch positioning protective sleeve, a positioning guide sleeve and a compression spring which are coaxially matched; one end of the punch positioning protective sleeve is provided with a first through hole communicated with the inner cavity of the punch positioning protective sleeve; the punch and the compression spring are arranged in an inner cavity of the punch positioning protective sleeve; the positioning guide sleeve is movably matched with the first through hole, and a second through hole which is movably matched with the punching end of the punch is coaxially arranged on the positioning guide sleeve; the inner end of the positioning guide sleeve is abutted or connected with one end of the compression spring, and the outer end of the positioning guide sleeve is coaxially provided with a spherical hole communicated with the second through hole; the supporting sleeve is of a sleeve structure, and one end of the supporting sleeve is provided with a blanking hole which is coaxially matched with the punch and the push rod.
Further, the punch positioning protective sleeve comprises a rear seat and a front sleeve which are connected through bolts; the rear seat is used for being connected with riveting pliers, and the front sleeve is movably connected with the positioning guide sleeve.
Further, the inner cavity of the punch positioning protective sleeve comprises a step hole and a limiting hole which are communicated with each other; the limiting hole is arranged at one end, opposite to the front sleeve, of the rear seat, and the aperture of the limiting hole is larger than the maximum aperture of the stepped hole; the stepped hole is communicated with the first through hole; and a first step structure matched with the step hole is arranged on the positioning guide sleeve.
Furthermore, the end part of the punch back to the punching end is provided with a limiting table matched with the limiting hole.
Furthermore, the compression spring is sleeved on the punch, and two ends of the compression spring are respectively connected with the limiting table and the inner end of the positioning guide sleeve.
Further, the drift is equipped with by the neck of punching press end to spacing platform direction diameter grow gradually, the neck is close to spacing one end diameter of platform and is greater than the aperture of second through-hole.
Furthermore, the punching end of the punch is also coaxially provided with a blind hole.
Further, the diameter of the spherical hole is larger than the aperture of the second through hole.
The utility model has the advantages that: 1. through the action of the punch assembly, the punch is effectively protected and the punching amount is limited, so that the operation safety is improved; 2. the rivet cover can be limited by the spherical hole of the positioning guide sleeve, a good guiding and positioning effect is provided for the punch, the punch cannot slide to damage a workpiece, the contact point of the punch and the rivet cover is relatively limited, the punch is stressed uniformly, the loss of the punch can be effectively reduced, the punch is ejected out by using the push rod instead of the punch, the length of the punch can be reduced, the punch is not easy to break, and the service life of the punch is prolonged; 3. under the effect of compression spring and location uide bushing, can make the location uide bushing remove in order to release the rivet lid on the drift for the drift, realize the automation of rivet lid and drop, need not manual intervention, it is more convenient to use.
Drawings
Fig. 1 is a schematic structural view of a conventional rivet removing apparatus.
Fig. 2 is the structural schematic diagram of the punch assembly and the support sleeve of the rivet removing device of the present invention.
Fig. 3 is a schematic structural view of the push rod of the rivet removing device of the present invention.
Fig. 4 is an enlarged schematic view of the punch of fig. 2.
Fig. 5 is an enlarged structural schematic view of the punch positioning protective sleeve in fig. 2.
Fig. 6 is an enlarged structural schematic view of the positioning guide sleeve in fig. 2.
Fig. 7 is an enlarged structural view of the support sleeve of fig. 2.
FIG. 8 is a schematic view of a rivet removing apparatus for removing rivets from a workpiece according to the present invention.
FIG. 9 is a schematic view of a second step of removing a rivet from a workpiece using the rivet removal apparatus of the present invention.
FIG. 10 is a schematic view of a rivet removing apparatus according to the present invention, showing three steps for removing a rivet from a workpiece.
FIG. 11 is a schematic view of the fourth step of removing a rivet from a workpiece using the rivet removal apparatus of the present invention.
FIG. 12 is a schematic view of a fifth step of removing a rivet from a workpiece using the rivet removal apparatus of the present invention.
FIG. 13 is a six-schematic view of the step of removing a rivet from a workpiece using the rivet removal apparatus of the present invention.
In the drawings, 1, a punch assembly; 1.1, a punch; 1.2, a punch positioning protective sleeve; 1.2.1, a rear seat; 1.2.2, front cover; 1.3, positioning a guide sleeve; 1.4, compressing the spring; 2. a support sleeve; 2.1, blanking holes; 3. a push rod; 4. a first through hole; 5. a second through hole; 6. a spherical hole; 7. blind holes; 8. a stepped bore; 9. a limiting hole; 10. a limiting table; 11. a neck portion; 12. a workpiece; 13. riveting; 14. punching; 15. a support sleeve; 16. a positioning sleeve.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
A rivet removing device as shown in fig. 2-13 comprises a punch assembly 1, a support sleeve 2 and a push rod 3, wherein the punch assembly is matched with a riveting pliers; the punch assembly 1 comprises a punch 1.1, a punch positioning protective sleeve 1.2, a positioning guide sleeve 1.3 and a compression spring 1.4 which are coaxially matched; one end of the punch positioning protective sleeve 1.2 is provided with a first through hole 4 communicated with the inner cavity of the punch positioning protective sleeve; the punch and the compression spring 1.4 are arranged in the inner cavity of the punch positioning protective sleeve 1.2; the positioning guide sleeve 1.3 is movably matched with the first through hole 4, and a second through hole 5 which is movably matched with the punching end of the punch is coaxially arranged on the positioning guide sleeve 1.3; the inner end of the positioning guide sleeve 1.3 is abutted or connected with one end of the compression spring 1.4, and the outer end of the positioning guide sleeve 1.3 is coaxially provided with a spherical hole 6 communicated with the second through hole 5; the supporting sleeve 2 is of a sleeve structure, and one end of the supporting sleeve is provided with a blanking hole 2.1 which is coaxially matched with the punch and the push rod 3.
The punch positioning protective sleeve 1.2 comprises a rear seat 1.2.1 and a front sleeve 1.2.2 which are connected through bolts; the back seat 1.2.1 is used for being connected with the riveting pliers, and the front sleeve 1.2.2 is movably connected with the positioning guide sleeve 1.3.
The inner cavity of the punch positioning protective sleeve 1.2 comprises a step hole 8 and a limiting hole 9 which are communicated with each other; the limiting hole 9 is arranged at one end of the rear seat 1.2.1, which is opposite to the front sleeve 1.2.2, and the aperture of the limiting hole 9 is larger than the maximum aperture of the stepped hole 8; the stepped hole 8 is communicated with the first through hole 4; the positioning guide sleeve 1.3 is provided with a first step structure matched with the step hole 8.
The end part of the punch head back to the punching end is provided with a limit platform 10 matched with the limit hole 9. The compression spring 1.4 is sleeved on the punch, and two ends of the compression spring 1.4 are respectively connected with the limiting table 10 and the inner end of the positioning guide sleeve 1.3. The punch is provided with a neck part 11 with the diameter gradually increased from the punching end to the limiting table 10, and the diameter of one end, close to the limiting table 10, of the neck part 11 is larger than the aperture of the second through hole 5. The diameter of the spherical hole 6 is larger than the diameter of the second through hole 5.
The punching end of the punch is also coaxially provided with a blind hole 7, the depth of the blind hole 7 is not easy to be too large, preferably within 1 cm, and when the punch punches the rivet 13 cover, the blind hole 7 provides a space for the rivet 13 cover to deform after being extruded.
As shown in fig. 8, the punch assembly 1 and the support sleeve 2 are first disposed on both sides of the workpiece 12 to be removed of the rivet 13 and are pre-aligned. As shown in fig. 9, one end of the support sleeve 2 is abutted against the surface of the workpiece 12, one end of the rivet 13 is positioned in the blanking hole 2.1, and the other end of the rivet 13 (i.e., the rivet 13 cover) is partially positioned in the spherical hole 6.
The punch assembly 1 is moved towards the support sleeve 2 by means of the riveting pliers so that the locating guide sleeve 1.3 is pushed into the cavity (stepped bore 8) and the punch presses against the rivet 13 and separates the rivet 13 from the remainder of the rivet 13, the rivet 13 covering being fitted over the punch and resting in the spherical bore 6, as shown in figure 10. When the riveting pliers are released, the positioning guide sleeve 1.3 is pushed out of the part under the action of the compression spring 1.4, so that the rivet 13 cover on the punch is pushed out and falls off, as shown in fig. 11. And then, the next operation is carried out by using the other riveting pliers provided with the support sleeve 2 and the push rod 3, as shown in fig. 12, the rest part of the rivet 13 is pushed into the blanking hole 2.1 of the support sleeve 2 by using the push rod 3, the riveting pliers are loosened, and as shown in fig. 13, the rivet 13 on the workpiece 12 is removed.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that a person skilled in the art should also recognize that several modifications and decorations can be made without departing from the principle of the present invention, and the protection scope of the present invention is also covered.
Claims (8)
1. A rivet removal device characterized by: comprises a punch head component (1), a supporting sleeve (2) and a push rod (3); the punch assembly (1) comprises a punch, a punch positioning protective sleeve (1.2), a positioning guide sleeve (1.3) and a compression spring (1.4) which are coaxially matched; one end of the punch positioning protective sleeve (1.2) is provided with a first through hole (4) communicated with the inner cavity of the punch positioning protective sleeve; the punch and the compression spring (1.4) are arranged in an inner cavity of the punch positioning protective sleeve (1.2); the positioning guide sleeve (1.3) is movably matched with the first through hole (4), and a second through hole (5) which is movably matched with the punching end of the punch is coaxially arranged on the positioning guide sleeve (1.3); the inner end of the positioning guide sleeve (1.3) is abutted or connected with one end of the compression spring (1.4), and the outer end of the positioning guide sleeve (1.3) is coaxially provided with a spherical hole (6) communicated with the second through hole (5); the supporting sleeve (2) is of a sleeve structure, and one end of the supporting sleeve is provided with a blanking hole (2.1) which is coaxially matched with the punch and the push rod (3).
2. A rivet removal device according to claim 1, wherein: the punch positioning protective sleeve (1.2) comprises a rear seat and a front sleeve which are connected through bolts; the rear seat is used for being connected with riveting pliers, and the front sleeve is movably connected with the positioning guide sleeve (1.3).
3. A rivet removal device according to claim 2, wherein: the inner cavity of the punch positioning protective sleeve (1.2) comprises a stepped hole (8) and a limiting hole (9) which are communicated with each other; the limiting hole (9) is arranged at one end, opposite to the front sleeve, of the rear seat, and the aperture of the limiting hole (9) is larger than the maximum aperture of the stepped hole (8); the stepped hole (8) is communicated with the first through hole (4); and a first step structure matched with the step hole (8) is arranged on the positioning guide sleeve (1.3).
4. A rivet removal device according to claim 3, wherein: the end part of the punch back to the punching end is provided with a limiting table (10) matched with the limiting hole (9).
5. A rivet removal device according to claim 4, wherein: the compression spring (1.4) is sleeved on the punch, and two ends of the compression spring (1.4) are respectively connected with the limiting table (10) and the inner end of the positioning guide sleeve (1.3).
6. A rivet removal device according to claim 4, wherein: the punch is provided with a neck (11) with the diameter gradually increased from the punching end to the limiting table (10), and the diameter of one end, close to the limiting table (10), of the neck (11) is larger than the aperture of the second through hole (5).
7. A rivet removal device according to claim 1, wherein: and the punching end of the punch is also coaxially provided with a blind hole (7).
8. A rivet removal device according to claim 1, wherein: the diameter of the spherical hole (6) is larger than the aperture of the second through hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420947.1U CN213645769U (en) | 2020-10-27 | 2020-10-27 | Rivet removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420947.1U CN213645769U (en) | 2020-10-27 | 2020-10-27 | Rivet removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213645769U true CN213645769U (en) | 2021-07-09 |
Family
ID=76703960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022420947.1U Active CN213645769U (en) | 2020-10-27 | 2020-10-27 | Rivet removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213645769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414118A (en) * | 2022-01-28 | 2022-04-29 | 航天精工股份有限公司 | Frock is measured to self-plugging rivet core bar holding power |
-
2020
- 2020-10-27 CN CN202022420947.1U patent/CN213645769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414118A (en) * | 2022-01-28 | 2022-04-29 | 航天精工股份有限公司 | Frock is measured to self-plugging rivet core bar holding power |
| CN114414118B (en) * | 2022-01-28 | 2024-04-16 | 航天精工股份有限公司 | Core bar holding force measuring tool for self-plugging rivet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213645769U (en) | Rivet removing device | |
| WO2016145930A1 (en) | Single-hand operated adaptor and operating method thereof | |
| US2948057A (en) | Press for shock absorbing spring assemblies of crawler tractors | |
| CN108555222B (en) | Riveting device | |
| CN215032665U (en) | Stamping equipment is used in automobile metal parts processing | |
| CN215035137U (en) | Lower die jig for press-fitting mechanism and press-fitting mechanism | |
| CN217370018U (en) | Automatic perforating machine for perforating aluminum pipes | |
| CN104826979A (en) | Rivet removal apparatus | |
| CN203900368U (en) | Wiper frame riveting equipment | |
| CN219188314U (en) | Tapered hole punching forming machine for ferrous metal forgings | |
| CN218799433U (en) | Cutting machine with replaceable cutter head | |
| CN113182422A (en) | Automatic formula car gasket former that punches a hole | |
| CN109262081B (en) | High-precision gear hobbing tool for gear and using method thereof | |
| CN217496320U (en) | Novel dismounting tool for track end connector | |
| CN221087155U (en) | Plane riveting auxiliary tool for narrow space | |
| CN220837583U (en) | Shock absorber riveting tool | |
| CN218428108U (en) | Workbench ejector rod sleeve dismounting tool | |
| CN212445588U (en) | Belt punching tool | |
| CN220030152U (en) | Automatic assembly mechanism for clamp spring for hole | |
| CN218310659U (en) | Squeeze riveter equipment of high accuracy position degree | |
| CN215392299U (en) | Punching and riveting device for inner side wall of pipe | |
| CN216632382U (en) | Press with protective structure | |
| CN221158375U (en) | Demoulding device for metal stamping die | |
| CN212682226U (en) | Squeeze riveter automatic feeding mechanism | |
| CN219749016U (en) | Guide sleeve disassembling tool of punching machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rivet removal device Granted publication date: 20210709 Pledgee: Agricultural Bank of China Limited Shiyan Yunyang Branch Pledgor: HUBEI HANTANG INTELLIGENT SCI-TECH Co.,Ltd. Registration number: Y2024980001506 |