CN111438274A - Pneumatic punching bending machine - Google Patents
Pneumatic punching bending machine Download PDFInfo
- Publication number
- CN111438274A CN111438274A CN202010274701.XA CN202010274701A CN111438274A CN 111438274 A CN111438274 A CN 111438274A CN 202010274701 A CN202010274701 A CN 202010274701A CN 111438274 A CN111438274 A CN 111438274A
- Authority
- CN
- China
- Prior art keywords
- piston
- sliding block
- impact
- rod
- air inlet
- 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.)
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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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
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
Abstract
The invention relates to a pneumatic punching bending machine, wherein a machine body and a front protecting cover form a cylindrical sealing chamber; a sliding block set, a pressure spring and a piston are arranged in the sealing chamber, the front end of the sliding block set is abutted against the piston, and the pressure spring is arranged between the sliding block set and the piston; a piston rod of the piston slides through the front protecting cover; the adjustable punching and bending dual-purpose head assembly is connected with the front end of the piston rod; the machine body also comprises a handle part, an air inlet passage is arranged below the handle part, the inner end of the air inlet passage is communicated with the sealing chamber, and the outer end of the air inlet passage is connected with an air inlet joint; a trigger installation cavity is arranged at the joint of the machine body and the handle, the trigger device is installed in the trigger installation cavity, and the trigger device controls the conduction and the closing of the air inlet passage. According to the technical scheme, the adjustable punching and bending dual-purpose head assembly realizes punching and bending through one tool, and can rotate 360 degrees and be combined with a 360-degree rotatable air inlet connector, so that the adjustable punching and bending dual-purpose head assembly is more convenient to use.
Description
Technical Field
The invention belongs to the technical field of pneumatic tools, and particularly relates to a pneumatic punching and bending machine.
Background
The pneumatic punching machine is a tool for punching holes on sheet materials such as various metals, plastics, paper sheets and the like by using compressed air as power, is suitable for various production activities such as advertisement decoration, automobile sheet metal, hardware processing, ship repair and manufacture and the like, and has the characteristics of good safety, simplicity in operation, convenience in use, rapidness in punching and the like.
The pneumatic bending machine is also a tool for bending various metal plates by taking compressed air as power, and is also suitable for various production fields.
In the prior art, the two pneumatic tools have single functions respectively, especially in some occasions of zero work, when punching and bending work is needed at the same time, two tools need to be prepared, so that the operation is inconvenient, and a plurality of air pipes are needed, so that the working place is untidy.
Disclosure of Invention
The invention aims to provide a pneumatic punching bending machine, which aims to solve the problems that in the prior art, punching and bending are realized by a separate pneumatic tool, so that the operation is complex, the cleanness of a working place is influenced, and the field management is inconvenient.
The invention is realized by the following technical scheme:
a pneumatic punching bending machine comprises a machine body and a front protecting cover which form a cylindrical sealing chamber; hydraulic oil is arranged in the sealing chamber;
a sliding block set, a pressure spring and a piston are arranged in the sealing chamber, the front end of the sliding block set is abutted against the piston, and the pressure spring is arranged between the sliding block set and the piston;
a piston rod of the piston slides through the front protecting cover;
the adjustable punching and bending dual-purpose head assembly is connected with the front end of the piston rod;
the machine body also comprises a handle part, an air inlet passage is arranged below the handle part, the inner end of the air inlet passage is communicated with the sealing chamber, and the outer end of the air inlet passage is connected with an air inlet joint;
the connection part of the machine body and the handle is provided with a trigger installation cavity, a trigger device is installed in the trigger installation cavity, and the trigger device controls the conduction and the closing of the air inlet passage.
The sliding block set comprises a sliding block, the sliding block comprises a sliding block body and an ejector rod, the sliding block is arranged in the sealing chamber in a sliding mode, one end of the ejector rod and the sliding block body are fixed into a whole, and the pressure spring is sleeved on the ejector rod.
The piston comprises a piston body, a piston rod and a connecting part; the piston rod, the piston body and the connecting part are sequentially connected into an integral structure;
an axial bush hole is formed in the connecting part, a piston bush is arranged in the bush hole, and the end part of the ejector rod is inserted into the piston bush;
one end of the piston rod penetrates through the front protecting cover.
The adjustable punching and bending dual-purpose head assembly comprises a lower bracket, an upper bracket, an impact sleeve, a guide sleeve and an impact rod;
the impact sleeve and the guide sleeve are arranged on the upper bracket, the impact rod movably penetrates through the guide sleeve, the front end of the impact rod is movably matched with the impact sleeve, and the rear end of the impact rod abuts against the lower bracket;
the lower bracket is matched with the upper bracket;
the piston rod penetrates through the lower support and then is fixedly connected with the upper support.
The lower support is in a lower frame shape and comprises a lower support body, a first protruding part and a second protruding part which are parallel to each other, and a first groove is formed between the first protruding part and the second protruding part; a piston rod through hole is arranged on the first protruding part;
the upper bracket comprises an upper bracket body, a first opening and a second opening are arranged on two opposite surfaces of the upper bracket body in a staggered manner,
a first side wall and a second side wall are respectively arranged on two sides of the first opening, and a third side wall and a fourth side wall are respectively arranged on two sides of the second opening;
a piston rod connecting threaded hole is formed in the second side wall; an impact sleeve mounting hole is formed in the third side wall, and a guide sleeve mounting hole is formed in the fourth side wall;
the impact sleeve is arranged in the impact sleeve mounting hole, and the guide sleeve is mounted in the guide sleeve mounting hole; the second protrusion is arranged in the first opening; the impact rod movably penetrates through the guide sleeve, one end of the impact rod movably abuts against the impact sleeve, and the other end of the impact rod movably abuts against the second protruding part.
Further, still include the protective cover, the protective cover with the lower carriage passes through bolted connection.
The trigger device comprises an opening and closing pin spring, a valve seat, an opening and closing pin and a trigger block; the valve seat is arranged in the trigger mounting cavity, and a vent hole of the valve seat is communicated with the air inlet passage; the opening and closing pin movably penetrates through the valve seat;
one end of the opening and closing pin is abutted against the opening and closing pin spring, the other end of the opening and closing pin is connected with the trigger block, and the trigger block is connected with the handle part through an elastic pin.
The invention has the beneficial effects that:
according to the technical scheme, the adjustable punching and bending dual-purpose head assembly realizes punching and bending through one tool, and can rotate 360 degrees and be combined with a 360-degree rotatable air inlet connector, so that the adjustable punching and bending dual-purpose head assembly is more convenient to use.
Drawings
Figure 1 is an exploded view of the pneumatic punch bender of the present invention.
Description of the reference numerals
1 machine body, 2 opening and closing pin springs, 3O-shaped rings, 4O-shaped rings, 5 valve seats, 6O-shaped rings, 7O-shaped rings, 8 opening and closing pins, 9 trigger blocks, 10 elastic pins, 11 elastic pins, 12O-shaped rings, 13, air inlet connectors, 14 decorative rings, 15O-shaped rings, 16 sliding blocks, 17 pressure springs, 18O-shaped rings, 19 piston bushes, 20 pistons, 21 front protecting cover bushes, 22O-shaped rings, 23 front protecting covers, 28 front protecting cover oil seals, 29 lower supports, 30 protecting covers, 32 upper supports, 33 impact sleeves, 34 guiding sleeves and 36 impact rods.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
As shown in fig. 1, the invention provides a pneumatic punching and bending machine, which comprises an aluminum alloy machine body 1, wherein an axial accommodating chamber is arranged on the machine body, and forms a cylindrical sealing chamber together with a front protecting cover 23, and hydraulic oil is arranged in the sealing chamber.
A decoration ring 14 is provided at the rear end of the body 1 for improving the aesthetic effect.
The sliding block assembly comprises a sliding block 16, the sliding block comprises a sliding block body and an ejector rod, an O-shaped ring 15 is sleeved on the sliding block body, the sliding block body is arranged in a sealing chamber, the ejector rod and the sliding block body are fixed into an integral structure, a pressure spring 17 is sleeved on the ejector rod, and one end of the pressure spring is abutted to the sliding block body.
The piston 20 comprises a cylindrical piston body, a piston rod and a connecting part are respectively arranged at the front end and the rear end of the piston body, an axial lining hole is formed in the connecting part, a piston lining 19 is arranged in the lining hole, the end part of the ejector rod is inserted into the piston lining, and the piston is pushed to move axially along the sealing chamber by the movement of the sliding block.
The front end of the piston rod passes through the front protecting cover 23, and the piston rod and the front protecting cover are movably sealed through a front protecting cover bushing and a front protecting cover oil seal 28.
The lower bracket 29 is in a lower frame shape and comprises a lower bracket body and two first protruding parts and two second protruding parts which are parallel relatively, the lower bracket body is approximately rectangular, and a first groove is arranged between the first protruding parts and the second protruding parts; a piston rod through hole is arranged on the first protruding part; two threaded holes are respectively arranged on two side edges of the lower bracket body.
The upper bracket 32 comprises an upper bracket body, wherein a first opening and a second opening are arranged on two opposite surfaces of the upper bracket body in a staggered manner, and the depth and the width of the first opening are both greater than those of the second opening. In the technical scheme of this application, be width direction along piston rod axial direction.
A first side wall and a second side wall are respectively arranged on two sides of the first opening, and a third side wall and a fourth side wall are respectively arranged on two sides of the second opening; the width of the second sidewall is greater than the width of the second opening plus the width of the fourth sidewall.
A piston rod connecting threaded hole is formed in the second side wall and is used for being in threaded connection with a piston rod; and an impact sleeve mounting hole is formed in the third side wall, and a guide sleeve mounting hole is formed in the fourth side wall.
The impact sleeve 33 is arranged in the impact sleeve mounting hole, and the guide sleeve 34 is arranged in the guide sleeve mounting hole; the second protruding part is arranged in the first opening, and the width of the second protruding part is smaller than that of the first opening; the impact rod movably penetrates through the guide sleeve, one end of the impact rod movably abuts against the impact sleeve, the other end of the impact rod movably abuts against the second protruding part, and the punching effect is achieved through the cooperation of the impact rod and the impact sleeve.
The protective cover 30 is formed by bending a metal plate, mounting holes are formed in bending portions on two sides of the protective cover, and the protective cover is fixed on the lower support through threaded connection of screws and threaded holes in the lower support.
The trigger device comprises an opening and closing pin spring 2, a valve seat 5, an opening and closing pin 8 and a trigger block 9; the valve seat is arranged in the trigger mounting cavity, and a vent hole of the valve seat is communicated with the air inlet passage; the opening and closing pin movably penetrates the valve seat.
One end of the opening and closing pin is abutted against the opening and closing pin spring, the other end of the opening and closing pin is connected with the trigger block, and the trigger block is connected with the handle part through an elastic pin. The trigger is pulled and pressed to drive the opening and closing pin to move, so that the air vent of the valve seat is communicated with the air inlet passage, compressed air enters the sealed chamber, the sliding is pushed to move forwards, the upper support and the lower support are pulled to move backwards, and the action of the punching press plate is completed.
After the wrench surface is loosened, the opening and closing pin returns under the action of the opening and closing pin spring to close the vent hole in the valve seat, so that compressed air is cut off, the pressure spring pushes the sliding block to return, and meanwhile, the upper support is pushed to return.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A pneumatic punching and bending machine is characterized in that a machine body and a front protecting cover form a cylindrical sealing chamber; hydraulic oil is arranged in the sealing chamber;
a sliding block set, a pressure spring and a piston are arranged in the sealing chamber, the front end of the sliding block set is abutted against the piston, and the pressure spring is arranged between the sliding block set and the piston;
a piston rod of the piston slides through the front protecting cover;
the adjustable punching and bending dual-purpose head assembly is connected with the front end of the piston rod;
the machine body also comprises a handle part, an air inlet passage is arranged below the handle part, the inner end of the air inlet passage is communicated with the sealing chamber, and the outer end of the air inlet passage is connected with an air inlet joint;
the connection part of the machine body and the handle is provided with a trigger installation cavity, a trigger device is installed in the trigger installation cavity, and the trigger device controls the conduction and the closing of the air inlet passage.
2. The pneumatic punching and bending machine according to claim 1, wherein the sliding block set comprises a sliding block, the sliding block comprises a sliding block body and a top rod, the sliding block is slidably arranged in the sealing chamber, one end of the top rod and the sliding block body are fixed into a whole, and the top rod is sleeved with the pressure spring.
3. The pneumatic punch and bender according to claim 2, wherein said piston comprises a piston body, a piston rod and a connecting portion; the piston rod, the piston body and the connecting part are sequentially connected into an integral structure;
an axial bush hole is formed in the connecting part, a piston bush is arranged in the bush hole, and the end part of the ejector rod is inserted into the piston bush;
one end of the piston rod penetrates through the front protecting cover.
4. The pneumatic punching and bending machine according to claim 1, wherein the adjustable punching and bending dual-purpose head assembly comprises a lower bracket, an upper bracket, an impact sleeve, a guide sleeve and an impact rod;
the impact sleeve and the guide sleeve are arranged on the upper bracket, the impact rod movably penetrates through the guide sleeve, the front end of the impact rod is movably matched with the impact sleeve, and the rear end of the impact rod abuts against the lower bracket;
the lower bracket is matched with the upper bracket;
the piston rod penetrates through the lower support and then is fixedly connected with the upper support.
5. The pneumatic punch and bender according to claim 4, wherein said lower frame is lower frame-shaped, comprising a lower frame body and two opposite parallel first and second projections, between which a first groove is provided; a piston rod through hole is arranged on the first protruding part;
the upper bracket comprises an upper bracket body, and a first opening and a second opening are arranged on two opposite surfaces of the upper bracket body in a staggered manner;
a first side wall and a second side wall are respectively arranged on two sides of the first opening, and a third side wall and a fourth side wall are respectively arranged on two sides of the second opening;
a piston rod connecting threaded hole is formed in the second side wall; an impact sleeve mounting hole is formed in the third side wall, and a guide sleeve mounting hole is formed in the fourth side wall;
the impact sleeve is arranged in the impact sleeve mounting hole, and the guide sleeve is mounted in the guide sleeve mounting hole; the second protrusion is arranged in the first opening; the impact rod movably penetrates through the guide sleeve, one end of the impact rod movably abuts against the impact sleeve, and the other end of the impact rod movably abuts against the second protruding part.
6. The pneumatic punch and bender according to claim 5, further comprising a protective cover, said protective cover being connected with said lower frame by screws.
7. A pneumatic punch and bender according to claim 1, wherein said trigger means comprises a shutter pin spring, a valve seat, a shutter pin and a trigger block; the valve seat is arranged in the trigger mounting cavity, and a vent hole of the valve seat is communicated with the air inlet passage; the opening and closing pin movably penetrates through the valve seat;
one end of the opening and closing pin is abutted against the opening and closing pin spring, the other end of the opening and closing pin is connected with the trigger block, and the trigger block is connected with the handle part through an elastic pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274701.XA CN111438274A (en) | 2020-04-09 | 2020-04-09 | Pneumatic punching bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274701.XA CN111438274A (en) | 2020-04-09 | 2020-04-09 | Pneumatic punching bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111438274A true CN111438274A (en) | 2020-07-24 |
Family
ID=71651806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274701.XA Pending CN111438274A (en) | 2020-04-09 | 2020-04-09 | Pneumatic punching bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438274A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150183017A1 (en) * | 2013-12-30 | 2015-07-02 | Sungwoo Hitech Co., Ltd. | Sheet roll forming method, and running cutter and round bender applied thereto |
| CN104859183A (en) * | 2015-05-27 | 2015-08-26 | 河南天力包装有限公司 | All-in-one machine for bending and indenting of paper box panel and punching of panel face |
| CN205519098U (en) * | 2016-04-27 | 2016-08-31 | 天津市津南区振华玻璃制品有限公司 | Air pump punching press formula glass metallic cornerite bending device |
| CN110293169A (en) * | 2019-06-28 | 2019-10-01 | 燕山大学 | A kind of hole punched device for stretch benders |
| CN209613954U (en) * | 2019-01-17 | 2019-11-12 | 河南省瑞歌传动机械有限公司 | A kind of forging gear blank punching and deflashing one-shot forming apparatus |
-
2020
- 2020-04-09 CN CN202010274701.XA patent/CN111438274A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150183017A1 (en) * | 2013-12-30 | 2015-07-02 | Sungwoo Hitech Co., Ltd. | Sheet roll forming method, and running cutter and round bender applied thereto |
| CN104859183A (en) * | 2015-05-27 | 2015-08-26 | 河南天力包装有限公司 | All-in-one machine for bending and indenting of paper box panel and punching of panel face |
| CN205519098U (en) * | 2016-04-27 | 2016-08-31 | 天津市津南区振华玻璃制品有限公司 | Air pump punching press formula glass metallic cornerite bending device |
| CN209613954U (en) * | 2019-01-17 | 2019-11-12 | 河南省瑞歌传动机械有限公司 | A kind of forging gear blank punching and deflashing one-shot forming apparatus |
| CN110293169A (en) * | 2019-06-28 | 2019-10-01 | 燕山大学 | A kind of hole punched device for stretch benders |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200724 |
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| RJ01 | Rejection of invention patent application after publication |