CN107931460B - Expansion positioning device and squeeze riveter - Google Patents
Expansion positioning device and squeeze riveter Download PDFInfo
- Publication number
- CN107931460B CN107931460B CN201711122249.XA CN201711122249A CN107931460B CN 107931460 B CN107931460 B CN 107931460B CN 201711122249 A CN201711122249 A CN 201711122249A CN 107931460 B CN107931460 B CN 107931460B
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- China
- Prior art keywords
- upper die
- pressing plate
- lower die
- fixing
- die fixing
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000003466 welding Methods 0.000 abstract description 11
- 239000000047 product Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses an expansion positioning device and a squeeze riveter, belongs to the technical field of pipe fitting processing, and solves the problems of complicated processing and manufacturing, long production period, low efficiency and poor appearance quality caused by manual fixing welding for fixing a pipe fitting and a fastener matched with a pipe hole in the prior art. The technical scheme adopted is as follows: the upper die support is vertically and fixedly arranged on the lower die fixing plate, a groove I for connecting one end of the upper die fixing pressing plate is formed in the top end of the upper die support, and one end of the upper die fixing pressing plate is hinged with the upper die support and arranged in the groove I; one end of the spring expander is connected with the upper die fixing pressing plate, and the other end of the spring expander is fixedly arranged on the lower die fixing plate; an upper die is arranged at the other end part of the upper die fixing pressing plate, a lower die is fixedly arranged on the lower die fixing plate, and the lower die is positioned below the upper die fixing pressing plate; an expansion positioning device is arranged on a riveting press base of the riveting press; the device achieves close fit between the pipe hole and the fastener for matching the pipe hole through expanding the pipe diameter.
Description
Technical Field
The invention relates to the technical field of pipe fitting machining, in particular to an expansion positioning device and a squeeze riveter.
Background
In the prior art, the cooling system products such as a vehicle-mounted radiator, an evaporator, a computer radiator and the like are designed and developed to meet the market demands, and in the manufacturing process of pipe structures such as a water chamber, an overflow pipe, a water inlet pipe, a water outlet pipe and the like in the production process of the all-aluminum product, the fastening piece of the pipe fitting and the matched pipe hole is firstly fixed through manual spot welding and then is welded integrally through a brazing furnace, or is directly welded and fixed through manual argon arc welding or flame welding; the manual fixing welding has the defects of complicated processing and manufacturing, long production period, low efficiency and poor appearance quality in the whole production process. Therefore, how to shorten the production period, reduce the labor intensity of workers, improve the production efficiency and the overall appearance quality of products in the welding engineering is a problem which needs to be solved by the technicians in the field.
Disclosure of Invention
The invention aims at overcoming the defects, and provides an expansion positioning device and a squeeze riveter, which can solve the problems of complicated processing and manufacturing, long production period, low efficiency and poor appearance quality caused by manual fixing welding for fixing a pipe fitting and a fastener matched with a pipe hole in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
an expansion positioning device comprises an upper die bracket, an upper die fixing pressing plate, an upper die, a spring expander, a lower die and a lower die fixing plate; the upper die support is vertically and fixedly arranged on the lower die fixing plate, a groove I for connecting one end of the upper die fixing pressing plate is formed in the top end of the upper die support, and one end of the upper die fixing pressing plate is hinged with the upper die support and arranged in the groove I; the upper die fixing pressing plate is provided with a through hole for a spring expander to penetrate, one end of the spring expander penetrates through the through hole to be connected with the upper die fixing pressing plate, and the other end of the spring expander is fixedly arranged on the lower die fixing plate; an upper die which is arranged vertically to the upper die fixed pressing plate is arranged at the other end part of the upper die fixed pressing plate; the lower die fixing plate is fixedly provided with a lower die, and the lower die is positioned below the upper die fixing pressing plate.
The upper die fixing pressing plate is of a ladder-shaped structure.
The upper die is of a cylinder, cuboid or polyhedral structure.
The lower die is of an inverted L-shaped structure, and a groove II is formed in one side of the top of the lower die.
The riveting press comprises a cylinder, a pressure regulator, a riveting press body, a riveting press base and a riveting press operation support, wherein the cylinder is vertically arranged at the top of the riveting press body; the base of the squeeze riveter is also provided with an expansion positioning device, and the expansion positioning device is any one of the expansion positioning devices; the expansion positioning device is connected with the base of the squeeze riveter through the fixing device.
The fixing device comprises a plurality of fixing seats, the fixing seats are symmetrically arranged on two sides of the lower die fixing plate, strip holes are formed in the tops of the fixing seats, and bolts penetrate through the strip holes to fixedly connect the lower die fixing plate with the base of the squeeze riveter.
A plurality of long slide holes are symmetrically arranged on the side surface of the base of the squeeze riveter.
The section of the long slide hole is a long slide hole with a convex structure.
A transmission rod is fixedly arranged on the telescopic rod of the air cylinder, and the bottom surface of the transmission rod is movably connected with the upper top surface of the upper die fixing pressing plate in a contact manner.
Compared with the prior art, the expansion positioning device and the squeeze riveter have the following beneficial effects:
1. the pipe fitting and the fastener matched with the pipe hole are placed on the expansion positioning device of the squeeze riveter, the cylinder is driven to move and the transmission rod is driven to move downwards, the transmission rod applies radial pressure by pushing the upper die to fix the pressing plate, and the pipe diameter expansion is realized by the mutual matching of the upper die and the lower die, so that the tight matching between the pipe hole and the fastener matched with the pipe hole is realized, and the device has the advantage of firm fixation;
2. the device adopts a tiger-mouth type frame structure, and the expansion positioning device is designed into a universal expansion positioning device, so that the device has the advantage of wide application range; the expansion positioning device is provided with a spring expander, one end of the spring expander penetrates through the through hole to be connected with the upper die fixing pressing plate, the other end of the spring expander is fixedly arranged on the lower die fixing plate, according to the actual required pressure of a semi-finished product, the space gap between the upper die and the lower die is changed according to the spring resilience force by adjusting the spring expander, the purpose of pressure adjustment of different press riveting products is achieved, and the universality is improved;
3. the fixing seats are symmetrically arranged on two sides of the lower die fixing plate, strip holes are formed in the tops of the fixing seats, bolts penetrate through the strip holes to fixedly connect the lower die fixing plate with the squeeze riveter base, and a plurality of long sliding holes are symmetrically formed in the side face of the squeeze riveter base, so that the positions are convenient to adjust, and the universality is improved;
4. the pipe diameter of the pipe fitting is subjected to expansion press riveting through the device, manual spot welding is not needed, welding spot accretion and welding marks left by manual welding are avoided, and the strength and appearance quality of the product are ensured;
5. the device structural design is simple reasonable, easy operation, and it is convenient to use, dependable performance, and the commonality is strong, has optimized production technology when guaranteeing product quality, has improved production efficiency, consequently, has fine popularization and use value.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a front view of an expansion positioning device and a squeeze riveter;
FIG. 2 is a cross-sectional view A-A of FIG. 1.
In the figure: 1. the upper die comprises an upper die support, 2, an upper die fixed pressing plate, 3, an upper die, 4, a spring expander, 5, a lower die, 6, a lower die fixed plate, 7, a groove I, 8, a groove II, 9, a cylinder, 10, a pressure regulator, 11, a squeeze riveter body, 12, a squeeze riveter base, 13, a squeeze riveter operation support, 14, a fixed seat, 15, a strip hole, 16, a long slide hole, 17 and a transmission rod.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1:
the invention relates to an expansion positioning device which comprises an upper die bracket 1, an upper die fixing pressing plate 2, an upper die 3, a spring expander 4, a lower die 5 and a lower die fixing plate 6; the upper die support 1 is vertically and fixedly arranged on the lower die fixing plate 6, a groove I7 connected with one end of the upper die fixing pressing plate 2 is formed in the top end of the upper die support 1, and one end of the upper die fixing pressing plate 2 is hinged with the upper die support 1 and is arranged in the groove I7; the upper die fixed pressing plate 2 is provided with a through hole for the spring expander 4 to penetrate, one end of the spring expander 4 penetrates through the through hole to be connected with the upper die fixed pressing plate 2, and the other end of the spring expander 4 is fixedly arranged on the lower die fixed plate 6; the other end part of the upper die fixed pressing plate 2 is provided with a cuboid upper die 3 which is arranged perpendicular to the upper die fixed pressing plate 2; the lower die 5 is fixedly arranged on the lower die fixing plate 6, and the lower die 5 is positioned below the upper die fixing pressing plate 2.
Example 2:
the invention relates to an expansion positioning device which comprises an upper die bracket 1, an upper die fixing pressing plate 2, an upper die 3, a spring expander 4, a lower die 5 and a lower die fixing plate 6; the upper die support 1 is vertically and fixedly arranged on the lower die fixing plate 6, a groove I7 connected with one end of the upper die fixing pressing plate 2 is formed in the top end of the upper die support 1, and one end of the upper die fixing pressing plate 2 with a stepped structure is hinged with the upper die support 1 and arranged in the groove I7; the upper die fixed pressing plate 2 is provided with a through hole for the spring expander 4 to penetrate, one end of the spring expander 4 penetrates through the through hole to be connected with the upper die fixed pressing plate 2, and the other end of the spring expander 4 is fixedly arranged on the lower die fixed plate 6; the other end part of the upper die fixed pressing plate 2 is provided with a cylindrical upper die 3 which is arranged perpendicular to the upper die fixed pressing plate 2; the lower die 5 is fixedly arranged on the lower die fixing plate 6, the lower die 5 is of an inverted L-shaped structure, a groove II 8 is formed in one side of the top of the lower die 5, and the lower die 5 is located below the upper die fixing pressing plate 2.
The application process of the invention is as follows: the user adjusts the spring pressure of spring expander 4 according to the product needs, through adjusting spring resilience strength, changes the space between upper mould 3 and lower mould 5 for satisfy the user demand of different products, improved the commonality.
Example 3:
the invention discloses a squeeze riveter, which comprises an air cylinder 9, a pressure regulator 10, a squeeze riveter body 11, a squeeze riveter base 12 and a squeeze riveter operation bracket 13, wherein the air cylinder 9 is vertically arranged at the top of the squeeze riveter body 11, a transmission rod 17 is fixedly arranged on a telescopic rod of the air cylinder 9, and the bottom surface of the transmission rod 17 is movably contacted and connected with the upper top surface of an upper die fixed pressing plate 2; the pressure regulator 10 is arranged on the outer wall of the squeeze riveter body 11, the squeeze riveter body 11 is fixedly arranged on the squeeze riveter base 12, and the squeeze riveter base 12 is fixedly connected with the squeeze riveter operation bracket 13; the squeeze riveter base 12 is also provided with an expansion positioning device, which is any one of the expansion positioning devices in the embodiment 1 or the embodiment 2; the expansion positioning device is connected with the squeeze riveter base 12 through a fixing device; the fixing device comprises 4 fixing seats 14, the fixing seats 14 are symmetrically arranged on two sides of the lower die fixing plate 6, long strip holes 15 are formed in the tops of the fixing seats 14, and bolts penetrate through the long strip holes 15 to fixedly connect the lower die fixing plate 6 with the squeeze riveter base 12; 4 long slide holes 16 with convex cross sections are symmetrically arranged on the side surface of the base 12 of the squeeze riveter, so that the adjustment is convenient, and the universality is improved.
The application process of the invention is as follows: firstly, a pipe hole to be expanded and a fastener matched with the pipe hole are placed between an upper die 3 and a lower die 5 of an expansion positioning device, a squeeze riveter is started to act, a telescopic rod of an air cylinder 9 moves to drive a transmission rod 17 to move downwards, the bottom surface of the transmission rod 17 contacts with the upper top surface of an upper die fixing pressing plate 2 and drives the upper die fixing pressing plate 2 to move downwards, the upper die fixing pressing plate 2 moves to drive the upper die 3 to move downwards, and the upper die 3 and the lower die 5 are matched with each other, so that the pipe mouth of the pipe is expanded.
The present invention can be easily implemented by those skilled in the art through the above specific embodiments. It should be understood that the invention is not limited to the 3 embodiments described above. Based on the disclosed embodiments, a person skilled in the art may combine different technical features at will, so as to implement different technical solutions.
Other than the technical features described in the specification, all are known to those skilled in the art.
Claims (2)
1. An expansion positioning device is characterized by comprising an upper die bracket, an upper die fixing pressing plate, an upper die, a spring expander, a lower die and a lower die fixing plate; the upper die support is vertically and fixedly arranged on the lower die fixing plate, a groove I for connecting one end of the upper die fixing pressing plate is formed in the top end of the upper die support, and one end of the upper die fixing pressing plate is hinged with the upper die support and arranged in the groove I; the upper die fixing pressing plate is provided with a through hole for a spring expander to penetrate, one end of the spring expander penetrates through the through hole to be connected with the upper die fixing pressing plate, and the other end of the spring expander is fixedly arranged on the lower die fixing plate; an upper die which is arranged vertically to the upper die fixed pressing plate is arranged at the other end part of the upper die fixed pressing plate; the lower die fixing plate is fixedly provided with a lower die, and the lower die is positioned below the upper die fixing pressing plate;
the upper die fixing pressing plate is of a ladder-shaped structure;
the upper die is of a cylinder, cuboid or polyhedral structure;
the lower die is of an inverted L-shaped structure, and a groove II is formed in one side of the top of the lower die;
the spring pressure of the spring expander is adjustable, and the space between the upper die and the lower die is changed by adjusting the spring resilience force so as to meet the use requirements of different products.
2. The riveting press comprises a cylinder, a pressure regulator, a riveting press body, a riveting press base and a riveting press operation support, wherein the cylinder is vertically arranged at the top of the riveting press body; the expansion positioning device is characterized in that the expansion positioning device is also arranged on the base of the squeeze riveter and is the expansion positioning device according to claim 1; the expansion positioning device is connected with the base of the squeeze riveter through a fixing device;
the fixing device comprises a plurality of fixing seats, the fixing seats are symmetrically arranged on two sides of the lower die fixing plate, strip holes are formed in the tops of the fixing seats, and bolts penetrate through the strip holes to fixedly connect the lower die fixing plate with the base of the squeeze riveter;
a plurality of long sliding holes are symmetrically arranged on the side surface of the base of the squeeze riveter;
the section of the long slide hole is a long slide hole with a convex structure; a transmission rod is fixedly arranged on the telescopic rod of the air cylinder, and the bottom surface of the transmission rod is movably connected with the upper top surface of the upper die fixing pressing plate in a contact manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122249.XA CN107931460B (en) | 2017-11-14 | 2017-11-14 | Expansion positioning device and squeeze riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122249.XA CN107931460B (en) | 2017-11-14 | 2017-11-14 | Expansion positioning device and squeeze riveter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107931460A CN107931460A (en) | 2018-04-20 |
| CN107931460B true CN107931460B (en) | 2024-01-23 |
Family
ID=61934071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122249.XA Active CN107931460B (en) | 2017-11-14 | 2017-11-14 | Expansion positioning device and squeeze riveter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107931460B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746457A (en) * | 2018-07-18 | 2018-11-06 | 河南森源电气股份有限公司 | Pressure riveting device |
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|---|---|---|---|---|
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| SU614850A2 (en) * | 1975-02-12 | 1978-07-15 | Piven Nikolaj P | Successive-action die |
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| CN106002191A (en) * | 2016-06-23 | 2016-10-12 | 苏州艾酷玛赫设备制造有限公司 | Squeeze riveter capable of achieving positioning accurately |
| CN206241097U (en) * | 2016-11-30 | 2017-06-13 | 青岛海德自动化科技有限公司 | A kind of modified intelligent robot squeeze riveter structure |
| CN106984683A (en) * | 2017-04-27 | 2017-07-28 | 安徽江淮汽车集团股份有限公司 | Bending mould |
| CN207681335U (en) * | 2017-11-14 | 2018-08-03 | 山东同创汽车散热装置股份有限公司 | A kind of expansion positioning device and squeeze riveter |
-
2017
- 2017-11-14 CN CN201711122249.XA patent/CN107931460B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS511741B1 (en) * | 1967-02-06 | 1976-01-20 | ||
| SU614850A2 (en) * | 1975-02-12 | 1978-07-15 | Piven Nikolaj P | Successive-action die |
| JP2001276942A (en) * | 2000-03-29 | 2001-10-09 | Futaba Industrial Co Ltd | Manufacturing method and apparatus for pipe of eccentric pipe expansion |
| JP2003103316A (en) * | 2001-09-27 | 2003-04-08 | Seiko Epson Corp | Press die |
| EP1700648A1 (en) * | 2005-03-08 | 2006-09-13 | Rothenberger AG | Expansion device for hollow bodies |
| CN201871589U (en) * | 2010-09-02 | 2011-06-22 | 吉林麦达斯铝业有限公司 | General jig for three dimensional bending section material |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107931460A (en) | 2018-04-20 |
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Effective date of registration: 20240407 Address after: 271400 office building of Haili auto parts science and Technology Park, middle section of Panlongshan Avenue, Ningyang Economic Development Zone, Tai'an City, Shandong Province Patentee after: Shandong Xingneng Thermal Energy Technology Co.,Ltd. Country or region after: China Address before: 271411 Ciyao Economic and Technological Development Zone, Tai'an City, Shandong Province Patentee before: SHANDONG TONGCHUANG AUTO COOLING SYSTEM Co.,Ltd. Country or region before: China |
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