CN107775040B - Auxiliary fixture for punching automobile sealing piece - Google Patents
Auxiliary fixture for punching automobile sealing piece Download PDFInfo
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- CN107775040B CN107775040B CN201711220046.4A CN201711220046A CN107775040B CN 107775040 B CN107775040 B CN 107775040B CN 201711220046 A CN201711220046 A CN 201711220046A CN 107775040 B CN107775040 B CN 107775040B
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- gear
- gear rotating
- rotating disc
- sealing strip
- profiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an automobile sealing piece punching auxiliary tool which comprises a supporting body and a cover plate covered on the upper part of the supporting body, wherein a through hole is formed in the supporting body, a profiling gear rotating disc is arranged in the through hole, a T-shaped cavity is formed by the cover plate and the upper part of the supporting body in a surrounding way, a rack for driving the profiling gear rotating disc to rotate is arranged in the T-shaped cavity, a gear structure is arranged on the circumferential surface of the profiling gear rotating disc, a sealing strip profiling groove for a sealing strip to pass through is formed in the middle of the profiling gear rotating disc, a first inserting tongue radially extends on the inner surface of the sealing strip profiling groove, and a second inserting tongue which extends into the through hole and is positioned on two sides of the profiling gear rotating disc is fixedly arranged in the supporting body. The invention thoroughly solves the problems of material chip blockage, spring fatigue and transmission failure, and has simple structure and more labor saving.
Description
[ field of technology ]
The invention relates to the field of machinery, in particular to an auxiliary tool for punching an automobile sealing piece.
[ background Art ]
The vent hole is required to be drilled in the automotive seal and must now be drilled into the inside air bubble of a lip to ensure that the vent hole is not visible from the appearance of the product. In the traditional means, a mechanical punching device is used for punching the automobile sealing strip, and a cam mechanism is used for driving a drill bit to generate vertical movement relative to the sealing strip, however, in the punching process, the drill bit cannot avoid the lip edge of the sealing strip and punch holes on air bubbles on the inner side of the lip edge.
As shown in fig. 1, in the prior art, patent number 20082015755.8 discloses an auxiliary tool for punching sealing strips, which comprises a sealing strip groove 9', a turning plate 3', a second spring 5', a push rod 2', wherein one end of the turning plate 3 'is provided with a right-angle bending part 31' extending into the sealing strip groove 9', a first spring is sleeved on the push rod 2', the push rod 2 'is pushed to drive the turning plate 3' to turn around a fulcrum, so that the right-angle bending part 31 'breaks off a lip to provide conditions for drilling, and finally, reset is realized through the first spring and the second spring 5'. This frock structural design is more complicated, and the dismouting is inconvenient, and is difficult to maintain, and the spring is tired easily in the use, leads to can not the turn-ups, and punching material bits block up into in spring and the ejector pin accomodate the hole easily, leads to unable normal work.
Therefore, it is necessary to provide a new auxiliary tool for punching automobile sealing parts to solve the above problems.
[ invention ]
The invention mainly aims to provide an auxiliary tool for punching an automobile sealing piece, which thoroughly solves the problems of material chip blockage, spring fatigue and transmission failure, and has a simple structure and is more labor-saving.
The invention realizes the aim through the following technical scheme: the utility model provides an auxiliary fixtures punches of car sealing member, it includes support body and lid closes the apron on support body upper portion, be provided with the through-hole that link up in the support body, be provided with profile modeling gear rotary disk in the through-hole, the apron with the upper portion of support body encloses and keeps off and be formed with T die cavity, be provided with the drive in the T die cavity profile modeling gear rotary disk rotatory rack, profile modeling gear rotary disk's circumference is provided with gear structure on the surface, the middle part is provided with the sealing strip imitative groove that supplies the sealing strip to pass, radially extend has first plug tongue on the internal surface in sealing strip imitative groove, support this internal fixation be provided with stretch into in the through-hole and be located the second plug tongue of profile modeling gear rotary disk both sides.
Further, one end of the rack is provided with a connecting plate, the connecting plate is arranged at the movable end of a driving piece, and the connecting plate is driven by the driving piece to perform telescopic movement.
Further, the support body includes parallel arrangement and the same left support board of structure and right support board, pastes the setting mutually and be in the left support board with middle part backup pad between the right support board, the profile modeling gear rotary disk is embedded in the middle part backup pad.
Further, a transmission gear meshed with the gear structure in the profiling gear rotating disc is arranged between the left support plate and the right support plate, and the transmission gear is connected with the rack in a matched mode and driven by the rack to rotate.
Further, a plurality of support guide rotating assemblies are arranged in the middle support plate at equal angles around the circumference of the profiling gear rotating disc.
Further, the support guiding rotating assembly comprises two bearings which are tangentially arranged with the circumferential surface of the profiling gear rotating disc, the area with the gear structure in the profiling gear rotating disc is positioned in the middle of the circumferential surface of the profiling gear rotating disc, and the distance between the two bearings is larger than the width of the gear structure.
Further, the second inserting tongue is integrally T-shaped, and an avoidance groove for avoiding the middle supporting plate is formed in the middle of the second inserting tongue.
Further, a shielding plate is arranged on the outer side surface of the supporting body.
Further, when the sealing strip extends into the through hole and passes through the sealing strip imitation groove, the first inserting tongue and the second inserting tongue are positioned on the same vertical plane, and the first inserting tongue and the second inserting tongue are positioned between two lips of the sealing strip.
Compared with the prior art, the auxiliary tool for punching the automobile sealing piece has the beneficial effects that: thoroughly solved material bits jam, spring fatigue's problem that the transmission is malfunctioning, simple structure and more laborsaving. The lip edge of the sealing strip is broken off and pushed flat by torque force through gear-rack transmission, and the telescopic movement of the rack is realized by mechanical drive, so that the labor cost is saved, and the automatic operation is realized; the rack and pinion transmission mechanism is arranged in an internal cavity, and the shielding plate is arranged at the periphery of the rack and pinion transmission mechanism, so that the tightness of the internal structure is greatly improved, external scraps are prevented from entering the interior, and phenomena such as transmission jamming or transmission failure are avoided; the gear rack is adopted for transmission, so that the problem that the original spring cannot work normally due to fatigue is avoided; two groups of inserting tongues are used for extending into the inner sides of the lips, one group of inserting tongues is fixedly arranged, the other group of inserting tongues staggers the two lips with each other along with the rotation of the profiling gear rotating disc, an advantageous position foundation is effectively provided for punching the inner sides of the lips, and the problem that the lips on the other side are overturned when the lips on one side are overturned in the prior art is solved; the tool is simple in structure, convenient to detach and convenient to maintain.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a seal punching auxiliary tool in the prior art;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a portion of a structure of an embodiment of the present invention;
FIG. 4 is a second schematic diagram of a portion of the structure of an embodiment of the present invention;
FIG. 5 is a schematic diagram of a second tongue according to an embodiment of the present invention;
the figures represent the numbers:
2' ejector rod; a 3 'flap, a 31' right angle bend; a 5' second spring; 9' sealing strips and grooves;
100 automobile sealing piece punching auxiliary tool; the support body 1, the through hole 11, the second insertion tongue 12, the 121 avoiding groove 13, the left support plate 14, the right support plate 15, the middle support plate 16 and the support guiding rotating assembly; 2 cover plate, 21T cavity; 3 profiling gear rotating disc, 31 sealing strip profiling groove, 32 first inserting tongue; 4, a rack; 5, a transmission gear; 6 shielding plates; and 7, connecting a plate.
[ detailed description ] of the invention
Examples:
referring to fig. 2-5, the embodiment is an auxiliary tool 100 for punching an automobile sealing member, which comprises a supporting body 1 and a cover plate 2 covering the upper portion of the supporting body 1, a through hole 11 is provided in the supporting body 1, a profiling gear rotating disc 3 is provided in the through hole 11, a T-shaped cavity 21 is formed by the cover plate 2 and the upper portion of the supporting body 1, a rack 4 for driving the profiling gear rotating disc 3 to rotate is provided in the T-shaped cavity 21, a gear structure is provided on the circumferential surface of the profiling gear rotating disc 3, a sealing strip profiling groove 31 for a sealing strip to pass through is provided in the middle, a first inserting tongue 32 radially extends from the inner surface of the sealing strip profiling groove 31, and a second inserting tongue 12 extending into the through hole 11 and positioned at two sides of the profiling gear rotating disc 3 is fixedly provided in the supporting body 1.
The support body 1 comprises a left support plate 13 and a right support plate 14 which are arranged in parallel and have the same structure, and a middle support plate 15 which is arranged between the left support plate 13 and the right support plate 14 in a pasting manner.
The cam rotating disc 3 is embedded in the middle supporting plate 15. A transmission gear 5 meshed with the gear structure in the profiling gear rotating disc 3 is arranged between the left support plate 13 and the right support plate 14, and the transmission gear 5 is connected with the rack 4 in a matched mode and is driven by the rack 4 to rotate. The transmission gear 5 is arranged on the left support plate 13 and the right support plate 14 through pin shafts and bearing frames. The rack 4 is pulled to drive the transmission gear 5 to rotate so as to drive the profiling gear rotating disc 3 to rotate, and meanwhile, the first inserting tongue 32 in the profiling gear rotating disc 3 rotates along with the rotation, so that the first inserting tongue 32 and the second inserting tongue 12 are staggered with each other, two lips in the sealing strip are broken off, and position conditions are provided for punching on the inner side surfaces of the lips.
The area with the gear structure of the cam disc 3 is located in the middle of its circumferential surface. A plurality of support guide rotating assemblies 16 are arranged in the middle support plate 15 around the circumference of the profiling gear rotating disc 3 at equal angles, and each support guide rotating assembly 16 comprises two bearings which are tangentially arranged with the circumferential surface of the profiling gear rotating disc 3, and the distance between the two bearings is larger than the width of the gear structure. The gear structure is arranged in the middle of the profiling gear rotating disc 3, and two bearings with a certain distance are arranged in the supporting and guiding rotating assembly 16, so that power transmission with the transmission gear 5 can be realized, and the attaching of the supporting and guiding rotating assembly 16 and the circumferential surface of the profiling gear rotating disc 3 can not be influenced; by arranging the supporting and guiding rotating assembly 16, the rotation of the profile modeling gear rotating disc 3 is smoother, and the clamping phenomenon is not easy to occur.
The second insert tongue 12 is T-shaped integrally, the middle part is provided with an avoidance groove 121 for avoiding the middle support plate 15, the wider parts of the upper part are respectively embedded into the left support plate 13 and the right support plate 14 to realize fixed connection, and the lower parts of the second insert tongue 12 are connected together to improve the integral strength of the second insert tongue, so that the blocking force on the lip edges of the sealing strips is improved.
The outside of left backup pad 13 and right backup pad 14 all is provided with shielding plate 6, shelters from the inside drive mechanism of frock, and drive gear 5 and rack 4 and the inside drive mechanism setting of profile modeling gear rotary disk 3 in the frock of this embodiment are in a enclosed construction, prevent that the bits of material from getting into to can effectually prevent that the problem of transmission failure from appearing.
One end of the rack 4 is provided with a connecting plate 7, the connecting plate 7 is arranged at the movable end of a driving piece (not marked in the figure), and the connecting plate 7 is driven by the driving piece to perform telescopic movement.
In the initial state, the first insert tongue 32 and the second insert tongue 12 are positioned on the same vertical plane, when the sealing strip stretches into the through hole 11 and passes through the sealing strip imitation groove 31, the first insert tongue 32 and the second insert tongue 12 are positioned between two lips of the sealing strip, and one of the lips is turned to be horizontal by rotating the first insert tongue 32. The embodiment is mainly matched with a sealing strip punching device.
The embodiment is the auxiliary fixtures 100 that punches of car sealing member, and beneficial effect lies in: thoroughly solved material bits jam, spring fatigue's problem that the transmission is malfunctioning, simple structure and more laborsaving. The lip edge of the sealing strip is broken off and pushed flat by torque force through gear-rack transmission, and the telescopic movement of the rack is realized by mechanical drive, so that the labor cost is saved, and the automatic operation is realized; the rack and pinion transmission mechanism is arranged in an internal cavity, and the shielding plate is arranged at the periphery of the rack and pinion transmission mechanism, so that the tightness of the internal structure is greatly improved, external scraps are prevented from entering the interior, and phenomena such as transmission jamming or transmission failure are avoided; the gear rack is adopted for transmission, so that the problem that the original spring cannot work normally due to fatigue is avoided; two groups of inserting tongues are used for extending into the inner sides of the lips, one group of inserting tongues is fixedly arranged, the other group of inserting tongues staggers the two lips with each other along with the rotation of the profiling gear rotating disc, an advantageous position foundation is effectively provided for punching the inner sides of the lips, and the problem that the lips on the other side are overturned when the lips on one side are overturned in the prior art is solved; the tool is simple in structure, convenient to detach and convenient to maintain.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (9)
1. An auxiliary fixtures that punches of car sealing member, its characterized in that: the novel copying gear rotating plate comprises a supporting body and a cover plate which covers the upper portion of the supporting body, a through hole is formed in the supporting body, a copying gear rotating plate is arranged in the through hole, a T-shaped cavity is formed in the cover plate and the upper portion of the supporting body in a surrounding mode, a rack which drives the copying gear rotating plate to rotate is arranged in the T-shaped cavity, a gear structure and a sealing strip imitation groove which is used for a sealing strip to pass through are arranged on the circumferential surface of the copying gear rotating plate, a first inserting tongue radially extends from the inner surface of the sealing strip imitation groove, and a second inserting tongue which extends into the through hole and is positioned on two sides of the copying gear rotating plate is fixedly arranged in the supporting body.
2. The automotive seal punch aid as claimed in claim 1, wherein: one end of the rack is provided with a connecting plate, the connecting plate is arranged at the movable end of a driving piece, and the connecting plate is driven by the driving piece to perform telescopic movement.
3. The automotive seal punch aid as claimed in claim 1, wherein: the support body includes parallel arrangement and the same left backup pad of structure and right backup pad, pastes the setting mutually and be in the left backup pad with middle part backup pad between the right backup pad, the profile modeling gear rotary disk is embedded in the middle part backup pad.
4. The automotive seal punch aid according to claim 3, wherein: and a transmission gear meshed with the gear structure in the profiling gear rotating disc is arranged between the left support plate and the right support plate, and is connected with the rack in a matched manner and driven by the rack to rotate.
5. The automotive seal punch aid according to claim 3, wherein: and a plurality of support guide rotating assemblies are arranged in the middle support plate at equal angles around the circumference of the profile modeling gear rotating disc.
6. The automotive seal punch aid as claimed in claim 5, wherein: the support guiding rotating assembly comprises two bearings which are tangentially arranged with the circumferential surface of the profiling gear rotating disc, the area with the gear structure in the profiling gear rotating disc is positioned in the middle of the circumferential surface of the profiling gear rotating disc, and the distance between the two bearings is larger than the width of the gear structure.
7. The automotive seal punch aid according to claim 3, wherein: the second insert tongue is integrally T-shaped, and the middle part is provided with an avoidance groove for avoiding the middle support plate.
8. The automotive seal punch aid as claimed in claim 1, wherein: the outside surface of support body is provided with shielding plate.
9. The automotive seal punch aid as claimed in claim 1, wherein: when the sealing strip stretches into the through hole and passes through the sealing strip imitation groove, the first inserting tongue and the second inserting tongue are positioned on the same vertical plane, and the first inserting tongue and the second inserting tongue are positioned between two lips of the sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220046.4A CN107775040B (en) | 2017-11-28 | 2017-11-28 | Auxiliary fixture for punching automobile sealing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220046.4A CN107775040B (en) | 2017-11-28 | 2017-11-28 | Auxiliary fixture for punching automobile sealing piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107775040A CN107775040A (en) | 2018-03-09 |
| CN107775040B true CN107775040B (en) | 2023-09-19 |
Family
ID=61431258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711220046.4A Active CN107775040B (en) | 2017-11-28 | 2017-11-28 | Auxiliary fixture for punching automobile sealing piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107775040B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63141850A (en) * | 1986-12-01 | 1988-06-14 | Toyoda Gosei Co Ltd | Drilling method for air-vent hole for weatherstrip |
| CN201012504Y (en) * | 2007-01-12 | 2008-01-30 | 申雅密封件有限公司 | Seal strip perforating auxiliary device |
| CN201325086Y (en) * | 2008-12-22 | 2009-10-14 | 申雅密封件有限公司 | Boring auxiliary tooling for sealing strips |
| KR20090116905A (en) * | 2008-05-08 | 2009-11-12 | 주식회사 폴리테크 | Bearing seal, a manufacturing device and method of the same |
| CN203622555U (en) * | 2013-11-28 | 2014-06-04 | 长城汽车股份有限公司 | Punching tooling and door frame rubber sealing strip production line adopting tooling |
| CN203726558U (en) * | 2014-01-08 | 2014-07-23 | 福州利菱橡塑有限公司 | Motor vehicle sealing piece drilling device |
| CN104760084A (en) * | 2015-04-13 | 2015-07-08 | 河北长丰橡塑制品有限公司 | Hole-punching mould with steel framework for unilateral non-closed hole of U-shaped automotive sealing strip |
| CN207534004U (en) * | 2017-11-28 | 2018-06-26 | 库博汽车标准配件（昆山）有限公司 | A kind of automotive sealant boring auxiliary tooling |
-
2017
- 2017-11-28 CN CN201711220046.4A patent/CN107775040B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63141850A (en) * | 1986-12-01 | 1988-06-14 | Toyoda Gosei Co Ltd | Drilling method for air-vent hole for weatherstrip |
| CN201012504Y (en) * | 2007-01-12 | 2008-01-30 | 申雅密封件有限公司 | Seal strip perforating auxiliary device |
| KR20090116905A (en) * | 2008-05-08 | 2009-11-12 | 주식회사 폴리테크 | Bearing seal, a manufacturing device and method of the same |
| CN201325086Y (en) * | 2008-12-22 | 2009-10-14 | 申雅密封件有限公司 | Boring auxiliary tooling for sealing strips |
| CN203622555U (en) * | 2013-11-28 | 2014-06-04 | 长城汽车股份有限公司 | Punching tooling and door frame rubber sealing strip production line adopting tooling |
| CN203726558U (en) * | 2014-01-08 | 2014-07-23 | 福州利菱橡塑有限公司 | Motor vehicle sealing piece drilling device |
| CN104760084A (en) * | 2015-04-13 | 2015-07-08 | 河北长丰橡塑制品有限公司 | Hole-punching mould with steel framework for unilateral non-closed hole of U-shaped automotive sealing strip |
| CN207534004U (en) * | 2017-11-28 | 2018-06-26 | 库博汽车标准配件（昆山）有限公司 | A kind of automotive sealant boring auxiliary tooling |
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| Publication number | Publication date |
|---|---|
| CN107775040A (en) | 2018-03-09 |
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