CN114453508A - Rivet-free lateral riveting tool - Google Patents
Rivet-free lateral riveting tool Download PDFInfo
- Publication number
- CN114453508A CN114453508A CN202210105056.8A CN202210105056A CN114453508A CN 114453508 A CN114453508 A CN 114453508A CN 202210105056 A CN202210105056 A CN 202210105056A CN 114453508 A CN114453508 A CN 114453508A
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- spring
- connecting plate
- ejector
- cylinder connecting
- plectrum
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- 238000005056 compaction Methods 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention belongs to the technical field of product riveting, and relates to a rivet-free lateral riveting tool which comprises a bottom plate, wherein a product station is arranged on the bottom plate, ejector block cavities are symmetrically arranged on two sides of the product station, a shifting block frame is respectively fixed on two sides of each ejector block cavity, and a guide ejector block capable of moving in position is arranged in each ejector block cavity; the outer parts of two sides of the bottom plate in the length direction are respectively provided with a group of guide rails, each group of guide rails is respectively provided with a pressure rod seat in a sliding manner, a pressure rod is arranged on each pressure rod seat in a sliding manner, the top of the pressure rod penetrates through the pressure rod seat and then is fixedly connected with a spring seat, and two elastically telescopic ejector rods are arranged in the spring seat; the pre-compaction cylinder is installed at the top of the pressure rod seat, the cylinder connecting plate is installed at the end of a piston rod of the pre-compaction cylinder, the cylinder connecting plate is fixedly connected with the guide ejector block, the poking piece assemblies are respectively rotatably arranged in the grooves in two sides of the cylinder connecting plate, and the poking piece assemblies can swing relative to the cylinder connecting plate. The tool is compact in structure and can effectively overcome deformation stress during working.
Description
Technical Field
The invention belongs to the technical field of product riveting, and relates to a rivet-free lateral riveting tool.
Background
In the existing rivetless riveting process for the side surface of a thin-wall part, stress is easily generated due to the deformation of materials in the riveting process, so that the size of a product after riveting is very unstable.
Disclosure of Invention
Aiming at the problems, the invention provides a rivet-free lateral riveting tool which is compact in structure and can effectively overcome deformation stress during working.
According to the technical scheme of the invention: the utility model provides a no rivet side direction riveting tools which characterized in that: the automatic positioning device comprises a bottom plate, wherein a product station is arranged on the bottom plate, ejector block cavities are symmetrically arranged on two sides of the product station, a shifting block frame is fixed on each of two sides of each ejector block cavity, and a guide ejector block capable of moving in position is arranged in each ejector block cavity;
the outer parts of two sides of the bottom plate in the length direction are respectively provided with a group of guide rails, each group of guide rails is respectively provided with a pressure rod seat in a sliding manner, a pressure rod is arranged on each pressure rod seat in a sliding manner, the top of the pressure rod penetrates through the pressure rod seat and then is fixedly connected with a spring seat, and two elastically telescopic ejector rods are arranged in the spring seat;
the top of the pressure rod seat is provided with a prepressing cylinder, the piston rod end of the prepressing cylinder is provided with a cylinder connecting plate, the cylinder connecting plate is fixedly connected with the guide top block, grooves on two sides of the cylinder connecting plate are respectively and rotatably provided with a plectrum assembly, the plectrum assembly can swing relative to the cylinder connecting plate, and when the prepressing cylinder drives the cylinder connecting plate to feed, the plectrum assembly is retracted into the groove of the cylinder connecting plate under the constraint of a guide inclined plane of the plectrum frame;
a rivet head is clamped in the clamping groove at the front end of the spring seat and penetrates through a through hole of a contour block fixed on the guide top block; after the prepressing cylinder performs prepressing in place, the pressing rod drives the spring seat to feed, the spring seat drives the ejector rod to move, the axial outer end of the ejector rod is pressed on the shifting piece assembly, and the spring seat drives the rivet head to perform extrusion riveting.
As a further improvement of the invention, the spring seat is provided with a mandril hole, the mandril is arranged in the mandril hole, a positioning flange plate at the front end of the mandril is abutted against the step surface of the mandril hole, a threaded part at the tail end of the mandril hole is in threaded connection with a limit nut, the mandril is sleeved with a disk spring, one end of the disk spring is positioned by the positioning flange plate of the mandril, the other end of the disk spring is positioned by the limit nut, and the mandril can move in a telescopic way in a through hole of the limit nut.
As a further improvement of the invention, the plectrum assembly comprises a plectrum, an ejection pin and an ejection pin spring, wherein the plectrum is rotatably arranged at two sides of the cylinder connecting plate, the ejection pin spring is arranged at the inner side part of the plectrum, one end of the ejection pin spring is connected with the inner wall of the cylinder connecting plate, the other end of the ejection pin spring is fixedly connected with the ejection pin, and the ejection pin is abutted against the side part of the plectrum.
As a further improvement of the invention, the outer end of the spring seat is provided with two clamping grooves, and each clamping groove is connected with a rivet head.
As a further improvement of the invention, the compression bar is sleeved with a spring, one axial end of the spring is tightly pressed against a flange of the compression bar, the other axial end of the spring is tightly pressed against a spring seat, and the spring seat is fixed on the compression bar seat.
The invention has the technical effects that: the product of the invention has reasonable and ingenious structure and compact tool structure, and can effectively overcome the deformation stress during working; in the riveting operation process, when riveting is fed, the prepressing cylinder can drive the cylinder connecting plate to feed so as to precisely position a workpiece, and meanwhile, the thickness of the workpiece can be increased through the plectrum assembly, so that the ejector rod is abutted against the plectrum assembly when feeding, and the stroke of the ejector rod is shortened; after riveting, the depression bar drives the spring holder and retreats, and plectrum subassembly bullet is opened, increases the return stroke of withdrawal for the die returns the back that targets in place, exposes in the direction kicking block outside, is convenient for add the riveting oil.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a top view of fig. 2.
FIG. 5 is a schematic view of a structure of one side of the present invention.
Fig. 6 is a perspective view of fig. 5.
Fig. 7 is a perspective view of fig. 5.
Fig. 8 is a cross-sectional view of fig. 5.
Fig. 9 is a sectional view taken along line B-B of fig. 8.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In fig. 1 to 9, the device comprises a product 1, a support 2, a pre-pressing cylinder 3, a pressing rod 4, a pressing rod seat 5, a spring seat 6, an ejector rod 7, a disc spring 8, a plectrum frame 9, a plectrum 10, an ejector pin 11, an ejector pin spring 12, a rivet head 13, a cylinder connecting plate 14, a guide ejector block 15, an ejector block cavity 16, a spring 17, a bottom plate 18, a guide rail 19, a limit nut 20 and the like.
As shown in fig. 1-1, the invention relates to a rivet-free lateral riveting tool, which comprises a bottom plate 18, wherein a product station is arranged on the bottom plate 18, ejector block cavities 16 are symmetrically arranged on two sides of the product station, a shifting block frame 9 is respectively fixed on two sides of each ejector block cavity 16, and a guide ejector block 15 capable of moving in position is arranged in each ejector block cavity 16.
The outside of the length direction both sides of bottom plate 18 sets up a set of guide rail 19 respectively, slides respectively on every guide rail 19 and sets up depression bar seat 5, slides on depression bar seat 5 and sets up depression bar 4, and the depression bar 4 top is worn behind the depression bar seat 5 fixed connection spring holder 6, is equipped with two ejector pins 7 that can elastically stretch out and draw back in the spring holder 6.
5 top installation pre-compaction cylinders 3 of depression bar seat, the tailpiece of the piston rod of pre-compaction cylinders 3 installation cylinder connecting plate 14, cylinder connecting plate 14 and 15 fixed connection of direction kicking blocks, it sets up the plectrum subassembly to rotate respectively in the recess of 14 both sides of cylinder connecting plate, the plectrum subassembly can swing relative cylinder connecting plate 14, pre-compaction cylinders 3 drive cylinder connecting plate 14 when feeding, the plectrum subassembly is under the restraint on the direction inclined plane of plectrum frame 9, pack up to in the recess of cylinder connecting plate 14.
A rivet head 13 is clamped in a clamping groove at the front end of the spring seat 6, and the rivet head 13 penetrates through a through hole of a contour block fixed on the guide top block 15; after the prepressing cylinder 3 performs prepressing in place, the pressing rod 4 drives the spring seat 6 to feed, the spring seat 6 drives the ejector rod 7 to move, the axial outer end of the ejector rod 7 is pressed on the plectrum assembly, and the spring seat 6 drives the rivet head 13 to perform extrusion riveting.
Spring holder 6 is equipped with the ejector pin hole, and ejector pin 7 is arranged in the ejector pin is downthehole, and the locating flange dish of ejector pin 7 front end supports on the step face in ejector pin hole, and the terminal screw thread portion threaded connection stop nut 20 in ejector pin hole overlaps on the ejector pin 7 and establishes belleville spring 8, and the locating flange dish location of ejector pin 7 is passed through to belleville spring 8 one end, and the other end passes through stop nut 20 location, and ejector pin 7 can be in stop nut 20's through-hole concertina movement.
The plectrum subassembly includes plectrum 10, ejecting pin 11, ejecting pin spring 12, and plectrum 10 rotates and sets up in cylinder connecting plate 14 both sides, and ejecting pin spring 12 sets up in the inside portion of plectrum 10, and ejecting pin spring 12 one end is connected with the inner wall of cylinder connecting plate 14, and the other end and the ejecting pin 11 fixed connection of ejecting pin spring 12, ejecting pin 11 supports tightly in the lateral part of plectrum 10.
The outer end of spring holder 6 sets up two draw-in grooves, and a die 13 is connected respectively to every draw-in groove.
The compression bar 4 is sleeved with a spring 17, one axial end of the spring 17 is tightly pressed on a flange of the compression bar 4, the other axial end of the spring 17 is tightly pressed on a spring seat, and the spring seat is fixed on the compression bar seat 5.
As shown in figures 1-9, when the product of the invention works, the product 1 is placed on the whole set of tooling, the supports 2 are placed on two sides of the product 1, and the product is initially positioned by the positioning pins. Firstly, the pre-pressing cylinder 3 acts to drive the cylinder connecting plate 14, the cylinder connecting plate 14 is provided with a guide ejector block 15, and the guide ejector block 15 acts to pre-press the bracket 2. The top block cavity 16 is provided with a shifting block frame 9, and the cylinder connecting plate 14 is provided with a movable shifting block assembly consisting of a shifting block 10, an ejection pin 11 and an ejection pin spring 12. When the cylinder connecting plate 14 acts, the plectrum 10 collides with the plectrum frame 9, and the plectrum 10 rotates and retracts into the cylinder connecting plate 14 due to the shape of the plectrum frame 9, the ejection pin 11 and the ejection pin spring 12 structure and is flush with the outer side edge of the cylinder connecting plate 14. Then a servo motor is arranged outside to push the pressure rod 4, the pressure rod 4 is installed in a pressure rod seat 5, a guide mechanism is arranged, the top of the pressure rod 4 is connected with a spring seat 6, and the pressure rod 4 pushes the spring seat 6. An ejector rod 7 is installed in the spring seat 6, a butterfly spring 8 is arranged on the ejector rod 7, and the butterfly spring 8 has the characteristics of small shape, large elasticity and capability of being superposed. The spring seat 6 drives the ejector rod 7 to prop against the shifting piece 10 and the shifting piece 10 to prop against the cylinder connecting plate 14, and the guide ejector block 15 finally props against the support 2. Due to the length of the ejector rods 7 and the existence of the belleville springs 8, the positioning and yield force of the support 2 can reach more than 7 thousand N pairs of ejector rods, and the support 2 and the product 1 are prevented from being locally deformed during riveting. The spring seat 6 is connected with the rivet head 13 in a buckling structure, and a certain amount of floating and pushing and pulling can be achieved. At the moment, the spring seat 6 pushes the rivet head 13 to squeeze and rivet the bracket 2 on the product 1.
After riveting, the servo motor retreats, the pressure lever 4 rebounds under the action of the spring 17 on the pressure lever, the spring seat 6 is driven to retreat, the spring seat 6 drives the rivet head 13 to retreat, the ejector rod 7 is driven to retreat, the yield force of the belleville spring 8 is released, and the pressing force of the cylinder connecting plate 14 on the support 2 is cancelled through the guide ejector block 15. Then the pre-pressing cylinder 3 retracts to drive the cylinder connecting plate 14 to retract, in the retracting process, the poking piece 10 is separated from the pressing of the poking piece frame 9, meanwhile, the poking piece is rotationally bounced off under the action of the ejection pin 11 and the ejection pin spring 12 and bounced off to the outer side of the cylinder connecting plate 14, so that the cylinder connecting plate 14 directly props against the ejector rod 7 when retracting, the poking piece 10 is not pressed, the retracting stroke is increased, and the riveting head 13 is exposed outside the guide ejector block 15 after retracting in place, and riveting oil is convenient to add.
Claims (5)
1. The utility model provides a no rivet side direction riveting tools which characterized in that: the automatic positioning device comprises a bottom plate (18), wherein a product station is arranged on the bottom plate (18), ejector block cavities (16) are symmetrically arranged on two sides of the product station, a shifting block frame (9) is fixed on each of two sides of each ejector block cavity (16), and a guide ejector block (15) capable of moving in position is arranged in each ejector block cavity (16);
the outer parts of two sides of the length direction of the bottom plate (18) are respectively provided with a group of guide rails (19), each group of guide rails (19) is respectively provided with a pressure rod seat (5) in a sliding manner, a pressure rod (4) is arranged on each pressure rod seat (5) in a sliding manner, the top of each pressure rod (4) penetrates through the corresponding pressure rod seat (5) and then is fixedly connected with a spring seat (6), and two elastically telescopic ejector rods (7) are arranged in the spring seat (6);
the top of the pressure rod seat (5) is provided with a prepressing cylinder (3), the piston rod end of the prepressing cylinder (3) is provided with a cylinder connecting plate (14), the cylinder connecting plate (14) is fixedly connected with a guide ejector block (15), grooves on two sides of the cylinder connecting plate (14) are respectively and rotatably provided with a plectrum component, the plectrum component can swing relative to the cylinder connecting plate (14), and when the prepressing cylinder (3) drives the cylinder connecting plate (14) to feed, the plectrum component is folded into the groove of the cylinder connecting plate (14) under the constraint of a guide inclined plane of a plectrum frame (9);
a rivet head (13) is clamped in the clamping groove at the front end of the spring seat (6), and the rivet head (13) penetrates through a through hole of a contour block fixed on the guide top block (15); after pre-compaction cylinder (3) pre-compaction targets in place, depression bar (4) drive spring holder (6) and feed, and spring holder (6) drive ejector pin (7) and remove, and the axial outer end of ejector pin (7) compresses tightly on the plectrum subassembly, and spring holder (6) drive die (13) extrude the riveting.
2. The rivetless lateral riveting tool of claim 1, characterized in that: spring holder (6) are equipped with the ejector pin hole, and ejector pin (7) are arranged in the ejector pin hole, the locating flange dish of ejector pin (7) front end supports and leans on the step face in ejector pin hole, and the terminal screw thread portion threaded connection stop nut (20) in ejector pin hole, belleville spring (8) are established to the cover on ejector pin (7), and belleville spring (8) one end is passed through the locating flange dish location of ejector pin (7), and the other end passes through stop nut (20) location, and ejector pin (7) can be flexible removal in the through-hole of stop nut (20).
3. The rivetless lateral riveting tool of claim 1, characterized in that: the plectrum subassembly includes plectrum (10), ejecting pin (11), ejecting pin spring (12), and plectrum (10) rotate to set up in cylinder connecting plate (14) both sides, and ejecting pin spring (12) set up in the inside portion of plectrum (10), and ejecting pin spring (12) one end is connected with the inner wall of cylinder connecting plate (14), and the other end and ejecting pin (11) fixed connection of ejecting pin spring (12), ejecting pin (11) support tightly in the lateral part of plectrum (10).
4. The rivetless lateral riveting tool of claim 1, characterized in that: the outer end of the spring seat (6) is provided with two clamping grooves, and each clamping groove is connected with a rivet head (13) respectively.
5. The rivetless lateral riveting tool of claim 1, characterized in that: the pressing rod (4) is sleeved with a spring (17), one axial end of the spring (17) is tightly pressed on a flange of the pressing rod (4), the other axial end of the spring (17) is tightly pressed on a spring seat, and the spring seat is fixed on the pressing rod seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105056.8A CN114453508B (en) | 2022-01-28 | 2022-01-28 | Rivet-free lateral riveting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105056.8A CN114453508B (en) | 2022-01-28 | 2022-01-28 | Rivet-free lateral riveting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114453508A true CN114453508A (en) | 2022-05-10 |
| CN114453508B CN114453508B (en) | 2023-11-21 |
Family
ID=81412470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210105056.8A Active CN114453508B (en) | 2022-01-28 | 2022-01-28 | Rivet-free lateral riveting tool |
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| Country | Link |
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| CN (1) | CN114453508B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980061375A (en) * | 1996-12-31 | 1998-10-07 | 배순훈 | Riveting device |
| CN203919723U (en) * | 2014-06-04 | 2014-11-05 | 余姚市爱优特电机有限公司 | A kind of two brush holder plastic stent automatic riveted-joint apparatus of carbon brush motor |
| CN104308015A (en) * | 2014-09-29 | 2015-01-28 | 苏州鑫睿达精密机械有限公司 | Nut positioning mechanism of in-mold riveting device |
| CN107900238A (en) * | 2017-11-24 | 2018-04-13 | 安徽鲲鹏装备模具制造有限公司 | A kind of nail riveter structure for freezer liner corner points riveting |
| CN207615522U (en) * | 2017-12-07 | 2018-07-17 | 上海天合汽车安全系统有限公司 | A kind of reinforcing plate riveting pre-pressing mechanism |
| CN108847563A (en) * | 2018-06-08 | 2018-11-20 | 东莞市三信精密机械有限公司 | Automatically beat terminal device and riveting point automatic aligning method |
| CN109622859A (en) * | 2018-12-19 | 2019-04-16 | 深圳市沃尔核材股份有限公司 | A kind of connector automatic riveted-joint apparatus |
| CN213729159U (en) * | 2020-10-19 | 2021-07-20 | 浙江友谊菲诺伞业股份有限公司 | Rivet hole positioning and pushing mechanism of automatic umbrella rib riveting system |
| CN216989595U (en) * | 2022-01-28 | 2022-07-19 | 无锡微研精密冲压件有限公司 | Rivet-free lateral riveting tool |
-
2022
- 2022-01-28 CN CN202210105056.8A patent/CN114453508B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980061375A (en) * | 1996-12-31 | 1998-10-07 | 배순훈 | Riveting device |
| CN203919723U (en) * | 2014-06-04 | 2014-11-05 | 余姚市爱优特电机有限公司 | A kind of two brush holder plastic stent automatic riveted-joint apparatus of carbon brush motor |
| CN104308015A (en) * | 2014-09-29 | 2015-01-28 | 苏州鑫睿达精密机械有限公司 | Nut positioning mechanism of in-mold riveting device |
| CN107900238A (en) * | 2017-11-24 | 2018-04-13 | 安徽鲲鹏装备模具制造有限公司 | A kind of nail riveter structure for freezer liner corner points riveting |
| CN207615522U (en) * | 2017-12-07 | 2018-07-17 | 上海天合汽车安全系统有限公司 | A kind of reinforcing plate riveting pre-pressing mechanism |
| CN108847563A (en) * | 2018-06-08 | 2018-11-20 | 东莞市三信精密机械有限公司 | Automatically beat terminal device and riveting point automatic aligning method |
| CN109622859A (en) * | 2018-12-19 | 2019-04-16 | 深圳市沃尔核材股份有限公司 | A kind of connector automatic riveted-joint apparatus |
| CN213729159U (en) * | 2020-10-19 | 2021-07-20 | 浙江友谊菲诺伞业股份有限公司 | Rivet hole positioning and pushing mechanism of automatic umbrella rib riveting system |
| CN216989595U (en) * | 2022-01-28 | 2022-07-19 | 无锡微研精密冲压件有限公司 | Rivet-free lateral riveting tool |
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|---|---|
| CN114453508B (en) | 2023-11-21 |
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Address after: 214161 No. 26, Lu Ou Road, Hudai Industrial Park, Binhu District, Wuxi City, Jiangsu Province Applicant after: Wuxi Weiyan Jinggong Technology Co.,Ltd. Address before: 214161 No. 26, Lu Ou Road, Hudai Industrial Park, Binhu District, Wuxi City, Jiangsu Province Applicant before: WUXI MICRO RESEARCH PRECISION PRESS-PARTS Co.,Ltd. |
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