CN110899475B - Automatic punching machine for square steel pipes - Google Patents
Automatic punching machine for square steel pipes Download PDFInfo
- Publication number
- CN110899475B CN110899475B CN201911282094.5A CN201911282094A CN110899475B CN 110899475 B CN110899475 B CN 110899475B CN 201911282094 A CN201911282094 A CN 201911282094A CN 110899475 B CN110899475 B CN 110899475B
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- CN
- China
- Prior art keywords
- gear
- fixed
- square steel
- base
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
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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
- 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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- 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an automatic punching machine for square steel pipes, which comprises a bottom plate and a base, wherein a rectangular hole penetrating in the left-right direction is formed in the base, a square steel pipe to be punched is inserted and sleeved in the rectangular hole, a punch is sleeved in a punch hole formed in the base and connected with a cam, the cam is fixedly connected with a first gear, a supporting plate fixedly connected with the base is arranged on the left side of the first gear, a rectangular lifting strip is sleeved on the supporting plate, a positioning head is fixed at the lower end of the rectangular lifting strip, a connecting frame is fixed at the upper end of the rectangular lifting strip, a rack is fixed on the connecting frame, the rack is meshed with a sector gear, the sector gear is fixed on the first gear, two left-right roller holes are formed in the base, and a roller is hinged in each roller hole. The punching machine can automatically punch a plurality of holes with equal intervals on the square steel pipe, effectively improves the punching efficiency and reduces the labor cost.
Description
The technical field is as follows:
the invention relates to the technical field of punching machines, in particular to an automatic punching machine for a square steel pipe.
Background art:
the anti-theft window is a mesh door window with an anti-theft protection function, which is added on the basis of the original window of a building. Generally, the square steel pipe of the four sides of common burglary-resisting window is last to be punched with a plurality of equidistant round holes or square hole, and these are punched a hole and are used for cup jointing the steel pipe horizontal and vertical setting to form netted, present square steel pipe drift punch hole machine need artifical pulling square steel pipe to wash the second hole after having washed a hole, and it is inefficient to punch a hole like this, and the cost of labor is higher.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides an automatic punching machine for square steel pipes, which can automatically punch a plurality of holes with equal intervals on the square steel pipes, effectively improves the punching efficiency and reduces the labor cost.
The scheme for solving the technical problems is as follows:
an automatic punching machine for square steel pipes comprises a base plate, wherein a base is fixed on the base plate, a rectangular hole penetrating in the left-right direction is formed in the base, a square steel pipe to be punched is inserted and sleeved in the rectangular hole, a punch hole communicated with the rectangular hole is formed in the upper side wall of the base, a punch is sleeved in the punch hole, a top table is formed by the punch penetrating through the upper extending end of the punch hole, a first pressure spring is arranged between the lower bottom surface of the top table and the upper side wall of the base, the first pressure spring is inserted and sleeved on the punch, the upper bottom surface of the top table is pressed on the outer wall of a cam, the cam is fixedly connected with the first gear, the first gear is meshed with a second gear, the second gear is fixed on a motor shaft of a first motor, and the first motor is fixed on the upper side wall of the base; a mandrel coaxially arranged with the first gear is formed at the rear end of the cam, the mandrel is hinged on a cam bracket through a first bearing, and the cam bracket is fixedly connected with the base; a supporting plate is arranged on the left side of the first gear, the supporting plate is fixed at the left end of the base through a supporting arm, a rectangular lifting strip is sleeved on the supporting plate, a cylindrical positioning head is fixed at the lower end of the rectangular lifting strip, a second pressure spring is arranged between the upper end face of the positioning head and the lower bottom face of the supporting plate and sleeved on the rectangular lifting strip, the rectangular lifting strip penetrates through the upper extending end of the supporting plate to be fixed with a connecting frame, a vertically arranged rack is fixed on the connecting frame, the rack is meshed with a sector gear, the sector gear is fixed on the first gear, and the sector gear and the first gear are coaxially arranged; two left and right roller holes are formed in the base and are positioned below the rectangular holes and communicated with the rectangular holes; the roller is hinged in each roller hole and comprises a roller shaft and a rubber wheel fixed on the outer wall of the roller shaft, a belt wheel is fixed at the front end of the roller shaft of each roller, the two belt wheels are connected through a belt, the rear end of the roller shaft of the roller on the left side is fixedly connected with a motor shaft of a second motor, and the upper side wall of the rubber wheel is pressed against the lower side wall of the square steel pipe.
And the through hole punched by the punch of the square steel pipe is connected with the outer diameter of the positioning head in a matching way.
The lower end of the positioning head is formed with a cone.
And a rubber pad is fixed on the lower bottom surface of the cone part.
The first bearings are more than two, and the more than two first bearings are linearly and uniformly distributed in the front-rear direction.
The invention has the following outstanding effects: compared with the prior art, the punching machine can automatically punch a plurality of equidistant holes on the square steel pipe, effectively improves the punching efficiency and reduces the labor cost.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of fig. 2 taken about a-a.
The specific implementation mode is as follows:
embodiment, as shown in fig. 1 to 4, an automatic punching machine for square steel pipes comprises a base plate 11, a base 12 is fixed on the bottom plate 11, a rectangular hole 121 which penetrates through the base 12 in the left-right direction is formed on the base 12, a square steel pipe 13 which needs to be punched is inserted and sleeved in the rectangular hole 121, a punch hole 122 communicated with the rectangular hole 121 is formed in the upper side wall of the base 12, a punch 14 is sleeved in the punch hole 122, the punch 14 penetrates through the upper extending end of the punch hole 122 to form a top platform 141, a first pressure spring 15 is arranged between the lower bottom surface of the top platform 141 and the upper side wall of the base 12, the first pressure spring 15 is inserted and sleeved on the punch 14, the upper bottom surface of the top platform 141 is pressed against the outer wall of the cam 16, the cam 16 is fixedly connected with the first gear 17, the first gear 17 is meshed with the second gear 18, the second gear 18 is fixed on a motor shaft of the first motor 19, and the first motor 19 is fixed on the upper side wall of the base 12; a mandrel 161 which is coaxial with the first gear 17 is formed at the rear end of the cam 16, the mandrel 161 is hinged on the cam bracket 20 through a first bearing 162, and the cam bracket 20 is fixedly connected with the base 12; a supporting plate 21 is arranged on the left side of the first gear 17, the supporting plate 21 is fixed at the left end of the base 12 through a supporting arm 22, a rectangular lifting bar 23 is sleeved on the supporting plate 21, a cylindrical positioning head 24 is fixed at the lower end of the rectangular lifting bar 23, a second pressure spring 25 is arranged between the upper end face of the positioning head 24 and the lower bottom face of the supporting plate 21, the second pressure spring 25 is sleeved on the rectangular lifting bar 23, the rectangular lifting bar 23 penetrates through the upper extending end of the supporting plate 21 to fix a connecting frame 26, a vertically arranged rack 27 is fixed on the connecting frame 26, the rack 27 is meshed with a sector gear 28, the sector gear 28 is fixed on the first gear 17, and the sector gear 28 and the first gear 17 are coaxially arranged; two left and right roller holes 123 are formed in the base 12, and the roller holes 123 are located below the rectangular holes 121 and communicated with the rectangular holes 121; a roller 29 is hinged in each roller hole 123, the roller 29 comprises a roller shaft 291 and a rubber wheel 292 fixed on the outer wall of the roller shaft 291, a belt wheel 30 is fixed at the front end of the roller shaft 291 of each roller 29, the two belt wheels 30 are connected through a belt 31, the rear end of the roller shaft 291 of the roller 29 on the left side is fixedly connected with a motor shaft of a second motor 32, and the upper side wall of the rubber wheel 292 is pressed against the lower side wall of the square steel tube 13.
Furthermore, the square steel tube 13 is connected with the outer diameter of the positioning head 24 by the through hole 131 punched by the punch 14.
More specifically, a tapered portion 241 is formed at the lower end of the positioning head 24.
Further, a rubber pad 33 is fixed to a lower bottom surface of the tapered portion 241.
More specifically, there are more than two first bearings 162, and the more than two first bearings 162 are linearly and evenly distributed in the front-rear direction.
The working principle is as follows: firstly, a square steel pipe 13 is inserted from the right end of a rectangular hole 121 of a base 12, and the left end of the square steel pipe 13 is positioned at the left side of a punch 14; secondly, the first motor 19 is started first, the first motor 19 drives the second gear 18 to rotate, the second gear 18 drives the first gear 17 to rotate clockwise (forward looking), the first gear 17 drives the cam 16 to rotate, the cam 16 drives the punch 14 to move downwards through the jacking platform 141, and the punch moves downwards to finish the first punching of the rectangular steel pipe 13; thirdly, when the first hole is punched, the second motor 32 is started, the second motor 32 drives one of the rollers 29 to rotate, the roller drives the other roller to rotate through the two belt wheels and the belt 31, and the friction force between the two rollers and the square steel pipe can drive the square steel pipe to be conveyed leftwards; fourthly, when the cam 16 continues to rotate, the punch 14 moves upwards to be separated from the square steel tube 13 under the action of the first pressure spring 15, simultaneously, the first gear 17 drives the sector gear 28 to rotate together and to be meshed with the rack 27, the sector gear 28 drives the rack 27 to move upwards, the rack 27 drives the connecting frame 26 and the rectangular lifting strip 23 to drive the positioning head 24 to move upwards, when the sector gear 28 continues to rotate and to be separated from the rack 27, the positioning head 24 moves downwards to be pressed against the upper side wall of the square steel tube 13 under the action of the second pressure spring, then the square steel tube continues to move leftwards, when a punched first hole falls under the positioning head 24, the positioning head is inserted into the first hole to position the square steel tube, at the moment, the roller and the square steel tube slip, and the square steel tube stops moving leftwards; then, with the continuous rotation of the cam, the punch is pressed down again to punch for the second time; the latter holes are punched out in the same way.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides an automatic piercing press of square steel pipe, includes bottom plate (11), its characterized in that: a base (12) is fixed on the bottom plate (11), a rectangular hole (121) penetrating in the left-right direction is formed in the base (12), a square steel pipe (13) to be punched is inserted in the rectangular hole (121), a punch hole (122) communicated with the rectangular hole (121) is formed in the upper side wall of the base (12), a punch (14) is sleeved in the punch hole (122), the punch (14) penetrates through the upper extending end of the punch hole (122) to form a top platform (141), a first pressure spring (15) is arranged between the lower bottom surface of the top platform (141) and the upper side wall of the base (12), the first pressure spring (15) is inserted in the punch (14), the upper surface of the top platform (141) is pressed on the outer wall of a cam (16), the cam (16) is fixedly connected with a first gear (17), the first gear (17) is meshed with a second gear (18), and the second gear (18) is fixed on a motor shaft of a first motor (19), the first motor (19) is fixed on the upper side wall of the base (12); a mandrel (161) which is coaxial with the first gear (17) is formed at the rear end of the cam (16), the mandrel (161) is hinged on the cam bracket (20) through a first bearing (162), and the cam bracket (20) is fixedly connected with the base (12); a supporting plate (21) is arranged on the left side of the first gear (17), the supporting plate (21) is fixed at the left end of the base (12) through a supporting arm (22), a rectangular lifting strip (23) is sleeved on the supporting plate (21), a cylindrical positioning head (24) is fixed at the lower end of the rectangular lifting strip (23), a second pressure spring (25) is arranged between the upper end face of the positioning head (24) and the lower bottom face of the supporting plate (21), the second pressure spring (25) is sleeved on the rectangular lifting strip (23), the rectangular lifting strip (23) penetrates through an upper extending end fixed connecting frame (26) of the supporting plate (21), a vertically arranged rack (27) is fixed on the connecting frame (26), a sector gear (28) is meshed with the rack (27), the sector gear (28) is fixed on the first gear (17), and the sector gear (28) and the first gear (17) are coaxially arranged; two left and right roller holes (123) are formed in the base (12), and the roller holes (123) are located below the rectangular holes (121) and communicated with the rectangular holes (121); the roller (29) is hinged in each roller hole (123), each roller (29) comprises a roller shaft (291) and a rubber wheel (292) fixed on the outer wall of the roller shaft (291), the front end of the roller shaft (291) of each roller (29) is fixed with a belt wheel (30), the two belt wheels (30) are connected through a belt (31), the rear end of the roller shaft (291) of the roller (29) on the left side is fixedly connected with a motor shaft of a second motor (32), and the upper side wall of each rubber wheel (292) is pressed against the lower side wall of the square steel pipe (13).
2. The automatic square steel pipe punching machine according to claim 1, wherein: the square steel pipe (13) is connected with the outer diameter of the positioning head (24) in a matching way through a through hole (131) punched by the punch head (14).
3. The automatic square steel pipe punching machine according to claim 1, wherein: the lower end of the positioning head (24) is formed with a taper part (241).
4. The automatic square steel pipe punching machine according to claim 3, wherein: a rubber pad (33) is fixed to the lower bottom surface of the tapered part (241).
5. The automatic square steel pipe punching machine according to claim 1, wherein: the number of the first bearings (162) is more than two, and the more than two first bearings (162) are linearly and evenly distributed in the front-back direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282094.5A CN110899475B (en) | 2019-12-13 | 2019-12-13 | Automatic punching machine for square steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282094.5A CN110899475B (en) | 2019-12-13 | 2019-12-13 | Automatic punching machine for square steel pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110899475A CN110899475A (en) | 2020-03-24 |
| CN110899475B true CN110899475B (en) | 2021-02-12 |
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ID=69825316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911282094.5A Expired - Fee Related CN110899475B (en) | 2019-12-13 | 2019-12-13 | Automatic punching machine for square steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110899475B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510183B (en) * | 2021-08-25 | 2023-05-30 | 国宣电气技术(中山)有限公司 | Be applied to industrial robot of pipe punching press |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1161705A (en) * | 1913-05-12 | 1915-11-23 | Elyria Iron & Steel Company | Mechanism for cutting tubing and the like into lengths. |
| JP3313413B2 (en) * | 1992-07-30 | 2002-08-12 | 臼井国際産業株式会社 | Punch and method for drilling hollow square pipe |
| KR100436125B1 (en) * | 2001-10-17 | 2004-06-14 | 임준병 | Filter pipe processing apparatus of muffler |
| KR200378216Y1 (en) * | 2004-12-10 | 2005-03-11 | 금강공업 주식회사 | punching apparatus for forming holes in square pipe and square pipe maden by the same |
| JP2007289998A (en) * | 2006-04-25 | 2007-11-08 | Sanko Kogyo Kk | Method for forming groove-shaped notch on hollow square pipe and die used for the same |
| CN201711415U (en) * | 2010-07-08 | 2011-01-19 | 陈晓钦 | Novel manual punching machine for stainless steel square tube |
| CN102513439B (en) * | 2011-12-20 | 2015-04-22 | 金环建设集团有限公司 | Hydraulic combination punching machine for special-shaped square tubes |
| CN103769466B (en) * | 2014-01-25 | 2015-11-25 | 山东金成机械有限公司 | Multi-station square tube hole punched device |
| CN108971327A (en) * | 2018-07-30 | 2018-12-11 | 雅特尔（厦门）实业有限公司 | bi-directional punching die |
| CN109773010B (en) * | 2019-02-27 | 2020-11-10 | 台州肯维特工具有限公司 | Bidirectional punching hydraulic punch |
-
2019
- 2019-12-13 CN CN201911282094.5A patent/CN110899475B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN110899475A (en) | 2020-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ha Fei Inventor before: Zhou Shirong |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210126 Address after: Room 905, 83 chenjialin Road, Zengcheng District, Guangzhou, Guangdong 511300 Applicant after: Ha Fei Address before: 215000 room 338, building 1, Yurong living Plaza, Suzhou high tech Zone, Jiangsu Province Applicant before: Suzhou zhenbangwei automation equipment Technology Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20211213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |