CN108015160B - Punching mechanism of automobile auxiliary frame - Google Patents
Punching mechanism of automobile auxiliary frame Download PDFInfo
- Publication number
- CN108015160B CN108015160B CN201810003845.4A CN201810003845A CN108015160B CN 108015160 B CN108015160 B CN 108015160B CN 201810003845 A CN201810003845 A CN 201810003845A CN 108015160 B CN108015160 B CN 108015160B
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- Prior art keywords
- punch
- driving device
- transmission
- frame
- punching
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- 238000004080 punching Methods 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 83
- 238000005452 bending Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to a punching mechanism of an automobile auxiliary frame, which is used for punching a datum hole of the automobile auxiliary frame, and comprises a frame, a punch used for punching the datum hole, a driving device used for providing power for punching the punch, a transmission mechanism used for connecting the punch with the driving device in a transmission way, and a positioning mold core used for positioning the automobile auxiliary frame and matched with the punch to punch the datum hole, wherein the positioning mold core is fixedly connected to the lower part of the frame, the punch comprises a first side punch and a second side punch which are positioned at two sides, and the first side punch and the second side punch are matched with the positioning mold core from two sides of the positioning mold core to punch the datum hole. The punching mechanism of the automobile auxiliary frame is very small in space constraint, basically covers and meets the requirement of a post-welding punching scheme of the standard holes of all the existing automobile auxiliary frames, so that the precision of the standard holes is greatly improved, later-stage whole automobile assembly is facilitated, and the processing efficiency of a whole automobile factory is greatly improved.
Description
Technical Field
The invention relates to a punching mechanism of an automobile auxiliary frame.
Background
At present, when the standard holes of the front/rear auxiliary frames of the automobile chassis are processed, the front/rear auxiliary frames of the automobile chassis with a regular appearance are mainly punched after welding, and therefore good hole position accuracy can be obtained. However, the shapes of chassis frames of some automobiles are extremely irregular, and in many cases, the space for arranging punching devices is not reserved, so that the scheme that mounting holes on a bracket are machined before welding and then the bracket is welded to a designated position on a chassis is forced to be adopted, the double influences of secondary clamping positioning and welding deformation are caused, the position accuracy of the mounting holes relative to the chassis frames of the whole automobiles is poor, and the stability of the whole automobiles is seriously influenced. As shown in fig. 1, two reference holes are required to be punched on the left side and the right side of the auxiliary frame, a punching die in the prior art cannot effectively penetrate into the workpiece from the upper surface and the lower surface of the workpiece, and can only move to the vicinity of the reference holes of the workpiece from the side surface of the workpiece, when a common C-shaped clamp body is adopted for punching, the position of a power device cannot be arranged, the space is limited, and the strength of a positioning die core 3 cannot be ensured.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a punching mechanism of an automobile auxiliary frame capable of completing punching in a small space.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a punching mechanism of car sub vehicle frame for punching press car sub vehicle frame's benchmark hole, car sub vehicle frame's punching mechanism includes the frame, be used for punching press benchmark hole's drift, for the drive arrangement that provides power when the drift punching press, the drive arrangement who is connected drift and drive arrangement transmission, be used for fixing a position car sub vehicle frame and with the location mold core that the drift cooperation will benchmark hole punching press be accomplished, location mold core fixed connection is in the lower part of frame, the drift is including the first side drift and the second side drift that are located both sides, first side drift and second side drift are accomplished the benchmark hole punching press from the both sides and the cooperation of location mold core.
Preferably, the transmission mechanism includes a first transmission mechanism and a second transmission mechanism that transmit and convert the driving force of the driving device into the side impact forces of the first side punch and the second side punch, respectively.
Preferably, the driving device comprises a first driving device and a second driving device which are positioned at two sides and are used for respectively providing power for the side punches at two sides, and power output shafts of the first driving device and the second driving device are respectively in power connection with the first transmission mechanism and the second transmission mechanism.
Preferably, the power vertical output shafts of the first driving means and the second driving means extend in the up-down direction.
Preferably, the first driving device and the second driving device are respectively rotatably connected to two sides of the upper part of the frame.
Preferably, the first transmission mechanism comprises a first transmission arm which is in power connection with a power output shaft of the first driving device, and a first transmission block which is respectively in rotary connection with the first transmission arm and the frame on two sides of the upper part, wherein the lower part of the first transmission block is fixedly connected with the first side punch.
Preferably, the second transmission mechanism comprises a second transmission arm which is in power connection with a power output shaft of the second driving device, and a second transmission block which is respectively in rotary connection with the second transmission arm and the frame on two sides of the upper part, wherein the lower part of the second transmission block is fixedly connected with a second side punch.
Preferably, two adjacent sides of the first transmission block and the second transmission block extend in a bending shape, and an accommodating space for accommodating the positioning mold core is correspondingly formed.
Preferably, two side surfaces of the first transmission block, which are relatively far away from the second transmission block, extend obliquely from the outside to the inside and downwards. Such a design reduces the size of the head of the punching mechanism so that it can penetrate into smaller spaces.
Preferably, the rotational connection of the first transmission block and the frame is located above the rotational connection of the second transmission block and the frame.
Further, the punching mechanism of the automobile auxiliary frame also comprises a first floating stripping mechanism and a second floating stripping mechanism which are arranged in a floating manner relative to the first side punch and the second side punch and used for ensuring that the first side punch and the second side punch are smoothly separated from the automobile auxiliary frame after punching the reference hole (namely, ensuring that the automobile auxiliary frame can be stably positioned on a positioning mold core when the side punch and the reference scrape are stressed); the first floating mechanism comprises a first floating plate (a first side punch is arranged on the first floating plate in a penetrating way) and a first elastic piece which is used for abutting against the first floating plate, and the second floating mechanism comprises a second floating plate (a second side punch is arranged on the second floating plate in a penetrating way) and a second elastic piece which is used for abutting against the second floating plate.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
the punching mechanism of the automobile auxiliary frame is characterized in that the first driving device and the second driving device are respectively arranged in linkage with the first transmission mechanism and the second transmission mechanism, the first driving device and the second driving device are rotatably arranged on the frame and serve as the function of partially transmitting kinetic energy, and the positioning mold cores are not independently arranged and are fixedly connected to the lower part of the frame, so that the punching mechanism has a compact design structure, and in addition, the special structural design of the first transmission block and the second transmission block reduces the size of the head part of the punching mechanism, so that the punching mechanism can extend into a small space; the punching mechanism of the automobile auxiliary frame is very small in space constraint, basically covers and meets the requirement of a post-welding punching scheme of the standard holes of all the existing automobile auxiliary frames, so that the precision of the standard holes is greatly improved, later-stage whole automobile assembly is facilitated, and the processing efficiency of a whole automobile factory is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of an automotive subframe;
FIG. 2 is a schematic front view of a punching mechanism of an automotive subframe according to the present invention;
FIG. 3 is a schematic perspective view of a punching mechanism of an automotive subframe according to the present invention;
fig. 4 is a schematic perspective view (internal structure) of a punching mechanism of an automotive subframe according to the present invention;
FIG. 5 is a schematic perspective view of a punching mechanism of an automotive subframe according to the present invention when the punching mechanism is assembled with the automotive subframe;
wherein: 10. a frame; 11. a first driving device; 12. a first transmission arm; 13. a first transmission block; 14. a first side punch; 140. a first floating plate; 141. a first elastic member; 21. a second driving device; 22. a second transmission arm; 23. a second transmission block; 24. a second side punch; 240. a second floating plate; 241. a second elastic member; 3. positioning a mold core; z1, a first rotating shaft; z2, a second rotating shaft; 100. punching mechanism of the auxiliary frame of the automobile; 200. an automobile auxiliary frame; 201. and a reference hole.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1, 2, 3, 4 and 5, a punching mechanism 100 of an automobile subframe is used for punching a reference hole 201 of an automobile subframe 200 (mainly referred to as a front/rear subframe of an automobile chassis), the punching mechanism 100 of the automobile subframe comprises a frame 10, a punch for punching the reference hole 201, a driving device for providing power for punching the punch, a transmission mechanism for driving the punch to connect with the driving device, a positioning die core 3 for positioning the front/rear subframe of the automobile chassis and matched with the punch to punch the reference hole 201, the positioning die core 3 is fixedly connected to the lower part of the frame 10, the punch comprises a first side punch 14 and a second side punch 24 positioned at two sides, and the first side punch 14 and the second side punch 24 are matched with the positioning die core 3 from two sides of the positioning die core 3 to punch the reference hole 201.
Specifically, the driving device includes a first driving device 11 and a second driving device 21 (in this example, the first driving device 11 and the second driving device 21 are respectively air cylinders) located at two sides for respectively powering the side punches at two sides, and the first driving device 11 and the second driving device 21 are respectively rotatably connected at two sides of the upper portion of the frame 10; the power output shafts of the first driving device 11 and the second driving device 21 are respectively in power connection with the first transmission mechanism and the second transmission mechanism. The power vertical output shafts of the first driving device 11 and the second driving device 21 extend in the up-down direction. The transmission mechanism includes a first transmission mechanism and a second transmission mechanism that transmit and convert the driving force of the driving device into the side impact forces of the first side punch 14 and the second side punch 24, respectively. The first transmission mechanism comprises a first transmission arm 12 which is in power connection with a power output shaft of the first driving device 11, and a first transmission block 13 which is respectively in rotary connection with the first transmission arm 12 and the frame 10 on two sides of the upper part (wherein the first transmission block 13 is in rotary connection with the frame 10 through a first rotating shaft Z1), and a first side punch 14 is fixedly connected with the lower part of the first transmission block 13. The second transmission mechanism comprises a second transmission arm 22 which is in power connection with a power output shaft of the second driving device 21, and a second transmission block 23 which is respectively in rotary connection with the second transmission arm 22 and the frame 10 on two sides of the upper part (wherein the second transmission block 23 is in rotary connection with the frame 10 through a second rotating shaft Z2), and the lower part of the second transmission block 23 is fixedly connected with a second side punch 24.
Further, the adjacent two sides of the first transmission block 13 and the second transmission block 23 extend in a curved shape, and a containing space for containing the positioning mold core 3 is correspondingly formed. The two opposite sides of the first transmission block 13 and the second transmission block 23 extend obliquely from the outside to the inside. The rotational connection of the first transmission block 13 with the frame 10 is located above the rotational connection of the second transmission block 23 with the frame 10.
In addition, the punching mechanism 100 of the automobile auxiliary frame of the invention further comprises a first floating stripping mechanism and a second floating stripping mechanism which are arranged in a floating manner relative to the first side punch 14 and the second side punch 24 and are used for ensuring that the first side punch 14 and the second side punch 24 are smoothly separated from the front/rear auxiliary frame of the automobile chassis after punching the reference hole 201 (namely, ensuring that the front/rear auxiliary frame of the automobile chassis can be stably positioned on the positioning mold core 3 when the side punch and the reference are scraped and stressed); the first floating mechanism includes a first floating plate 140 (the first side punch 14 is inserted through the first floating plate 140) and a first elastic member 141 for abutting the first floating plate 140, and the second floating mechanism includes a second floating plate 240 (the second side punch 24 is inserted through the second floating plate 240) and a second elastic member 241 for abutting the second floating plate 240.
When the punching mechanism 100 of the automobile subframe of the present invention is used (hereinafter, the punching case of the first side punch 14 is taken as an example, and the second side punch 24 is the same as the first side punch, and the description thereof will be omitted here): the power output shaft of the first driving device 11 (air cylinder) pushes the first driving arm 12 downwards, the first driving arm 12 pushes the rotating joint of the first driving arm 12 and the first driving block 13 to rotate around the rotating joint of the first driving block 13 and the frame 10 (namely, the first driving block 13 rotates around the rotating joint of the first driving block and the frame 10), so that the first side punch 14 on the lower part of the first driving block 13 punches the workpiece on the positioning mold core 3 from outside to inside to finish the punching of the reference hole 201; it should be noted that, while the first driving device 11 pushes the first driving arm 12 and forces a driving block to rotate, the first driving device 11 rotates outwards relative to the frame 10.
In summary, the first driving device and the second driving device are respectively arranged in linkage with the first transmission mechanism and the second transmission mechanism and are rotatably arranged on the frame to serve as a part for transmitting kinetic energy, and the positioning mold core 3 is not independently arranged and is fixedly connected to the lower part of the frame, so that the punching mechanism has a compact design structure, and in addition, the special structural design of the first transmission block and the second transmission block reduces the size of the head part of the punching mechanism, so that the punching mechanism can extend into a smaller space; the punching mechanism of the automobile auxiliary frame is very small in space constraint, basically covers and meets the requirement of a post-welding punching scheme of the standard holes of all the existing automobile auxiliary frames, so that the precision of the standard holes is greatly improved, later-stage whole automobile assembly is facilitated, and the processing efficiency of a whole automobile factory is greatly improved.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a punching mechanism of car sub vehicle frame for punching press car sub vehicle frame's benchmark hole, its characterized in that:
the punching mechanism of the automobile auxiliary frame comprises a frame, a punch used for punching the reference hole, a driving device used for providing power for the punch during punching, a transmission mechanism used for connecting the punch with the driving device in a transmission way, and a positioning mold core used for positioning the automobile auxiliary frame and matched with the punch to punch the reference hole, wherein the positioning mold core is fixedly connected to the lower part of the frame, the punch comprises a first side punch and a second side punch which are positioned at two sides, and the first side punch and the second side punch are matched with the positioning mold core from two sides of the positioning mold core to punch the reference hole;
the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism which respectively transmit and convert the driving force of the driving device into side impact forces of the first side punch and the second side punch;
the driving device comprises a first driving device and a second driving device which are positioned at two sides and used for respectively providing power for the side punches at two sides, and power output shafts of the first driving device and the second driving device are respectively in power connection with the first transmission mechanism and the second transmission mechanism.
2. The punching mechanism of an automotive subframe according to claim 1, characterized in that: the power vertical output shafts of the first driving device and the second driving device extend along the up-down direction.
3. The punching mechanism of an automotive subframe according to claim 1, characterized in that: the first driving device and the second driving device are respectively and rotatably connected to two sides of the upper part of the frame.
4. A punching mechanism for an automotive subframe as claimed in claim 3, wherein: the first transmission mechanism comprises a first transmission arm which is in power connection with a power output shaft of the first driving device, and a first transmission block which is respectively in rotary connection with the first transmission arm and the frame on two sides of the upper portion, wherein the lower portion of the first transmission block is fixedly connected with the first side punch.
5. The punching mechanism of an automotive subframe as recited in claim 4, wherein: the second transmission mechanism comprises a second transmission arm which is in power connection with a power output shaft of the second driving device, and a second transmission block which is respectively in rotary connection with the second transmission arm and the frame on two sides of the upper part, wherein the lower part of the second transmission block is fixedly connected with the second side punch.
6. The punching mechanism of an automotive subframe as recited in claim 5, wherein: the adjacent two sides of the first transmission block and the second transmission block extend in a bending shape, and an accommodating space for accommodating the positioning mold core is correspondingly formed.
7. The punching mechanism of an automotive subframe as recited in claim 5, wherein: two opposite sides of the first transmission block and the second transmission block extend obliquely from the outside to the inside and the lower.
8. The punching mechanism of an automotive subframe as recited in claim 5, wherein: the rotating connection part of the first transmission block and the frame is positioned above the rotating connection part of the second transmission block and the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003845.4A CN108015160B (en) | 2018-01-03 | 2018-01-03 | Punching mechanism of automobile auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003845.4A CN108015160B (en) | 2018-01-03 | 2018-01-03 | Punching mechanism of automobile auxiliary frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108015160A CN108015160A (en) | 2018-05-11 |
| CN108015160B true CN108015160B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810003845.4A Active CN108015160B (en) | 2018-01-03 | 2018-01-03 | Punching mechanism of automobile auxiliary frame |
Country Status (1)
| Country | Link |
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| CN (1) | CN108015160B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465329A (en) * | 2018-10-29 | 2019-03-15 | 四川建安工业有限责任公司 | Subframe class suspension punching process |
| CN110842079B (en) * | 2019-11-20 | 2024-09-13 | 上海工众机械技术有限公司 | Wedge floating punching mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114868A (en) * | 2010-12-31 | 2011-07-06 | 中国第一汽车集团公司 | Manufacture method of novel structural optimized auxiliary frame |
| CN202779378U (en) * | 2012-08-14 | 2013-03-13 | 上海金涌模具有限公司 | Side punching die for back auxiliary main frame body |
| CN204171149U (en) * | 2014-10-21 | 2015-02-25 | 上海汇众汽车制造有限公司 | Hole punched device |
| CN206169060U (en) * | 2016-10-31 | 2017-05-17 | 浙江涛涛工贸有限公司 | Car rear auxiliary frame upper plate multiple operation combination stamping die |
| CN106825235A (en) * | 2016-12-26 | 2017-06-13 | 芜湖市勤惠汽车配件制造有限公司 | Automobile front subframe lower plate stamping mold |
| CN207668280U (en) * | 2018-01-03 | 2018-07-31 | 苏州托克斯冲压设备有限公司 | A kind of punch mechanism of automobile accessory frame |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8230712B2 (en) * | 2010-05-21 | 2012-07-31 | Chung-Yi Lee | Punching device |
-
2018
- 2018-01-03 CN CN201810003845.4A patent/CN108015160B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114868A (en) * | 2010-12-31 | 2011-07-06 | 中国第一汽车集团公司 | Manufacture method of novel structural optimized auxiliary frame |
| CN202779378U (en) * | 2012-08-14 | 2013-03-13 | 上海金涌模具有限公司 | Side punching die for back auxiliary main frame body |
| CN204171149U (en) * | 2014-10-21 | 2015-02-25 | 上海汇众汽车制造有限公司 | Hole punched device |
| CN206169060U (en) * | 2016-10-31 | 2017-05-17 | 浙江涛涛工贸有限公司 | Car rear auxiliary frame upper plate multiple operation combination stamping die |
| CN106825235A (en) * | 2016-12-26 | 2017-06-13 | 芜湖市勤惠汽车配件制造有限公司 | Automobile front subframe lower plate stamping mold |
| CN207668280U (en) * | 2018-01-03 | 2018-07-31 | 苏州托克斯冲压设备有限公司 | A kind of punch mechanism of automobile accessory frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108015160A (en) | 2018-05-11 |
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