CN114789224A - Square chuck of stretch bender and working method thereof - Google Patents
Square chuck of stretch bender and working method thereof Download PDFInfo
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- CN114789224A CN114789224A CN202210412118.XA CN202210412118A CN114789224A CN 114789224 A CN114789224 A CN 114789224A CN 202210412118 A CN202210412118 A CN 202210412118A CN 114789224 A CN114789224 A CN 114789224A
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- cylinder
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- sliding door
- cavity base
- door
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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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
- 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
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a square chuck of a stretch bender and a working method thereof, wherein the chuck comprises an upper pressing cylinder, a guide rail, a sliding door, a side pressing cylinder, a switch door cylinder, a cavity base and a connecting fixing piece; the upper pressing cylinder is installed at the top of the cavity base, the side pressing cylinder is installed on the sliding door, the guide rails are arranged on the top side and the bottom side of the cavity base, and the sliding door is installed on the guide rails in a sliding mode and is fixedly connected with the door opening and closing cylinder; the sliding door and the cavity base form an installation cavity with a front side opening after being closed; the connecting and fixing piece is fixedly connected with the cavity base and used for being installed on a stretching oil cylinder of the stretch bender. The sliding door and the cavity base form an installation cavity with a front side opening after being closed, the clamping cavity has large space, so that more section bars of different types can be clamped, and 90% of time for replacing a chuck can be saved in the conversion of a stretched product. The clamp blocks used by different products are simple to design and manufacture, the clamp blocks are convenient to replace, the manufacture cost of the clamp blocks is low, and the maintenance is simple.
Description
Technical Field
The invention belongs to the technical field of mechanical clamps, and particularly relates to a square chuck of a stretch bender and a working method thereof.
Background
A double-arm numerical control section bar stretch bender is special equipment for stretching, bending and forming section bars with various section shapes. The method can be applied to the fields of escalator accessories, airplane sheet metal parts, high-speed rails, decorative profiles and the like. As shown in fig. 1, the double-arm numerical control section bar stretch bender mainly comprises a main frame 200, a pair of rotating arms 700, a stretching cylinder 500, a sliding seat 600, a hydraulic unit, a numerical control system and the like. The working principle is as follows: the main frame 200 is provided with a die 100, 2 stretching cylinders 500 are respectively provided with a chuck 400, the chucks 400 clamp two ends of the section 300 to be stretched, under the control of a program, the stretching cylinders 500 stretch the section 3, meanwhile, the rotating arm 700 drives the stretching cylinders 500 to rotate around the main frame 200 and the die 100, and under the limit of the die 100, the stretching forming of the section 300 to be stretched is completed.
Disclosure of Invention
The invention aims to provide a square chuck of a stretch bender and a working method thereof, which are suitable for profiles of different specifications, are particularly used for parts with larger overall dimension, and are very convenient, time-saving and labor-saving for loading and unloading workpieces due to an open structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a square chuck of a stretch bender, which comprises an upper pressing cylinder, a guide rail, a sliding door, a side pressing cylinder, a switch door cylinder, a cavity base and a connecting fixing piece, wherein the upper pressing cylinder is arranged on the upper side of the guide rail;
the upper pressing cylinder is installed at the top of the cavity base, the side pressing cylinder is installed on the sliding door, the guide rails are arranged on the top side and the bottom side of the cavity base, and the sliding door is installed on the guide rails in a sliding mode and is fixedly connected with the switch door cylinder;
the sliding door and the cavity base form an installation cavity with a front side opening after being closed;
the connecting and fixing part is fixedly connected with the cavity base and used for being installed on a stretching oil cylinder of the stretch bender.
As an alternative to the embodiment of the present invention, the switch door cylinder is mounted on a switch door cylinder mounting seat, and the switch door cylinder mounting seat is fixed on the connecting fixing member.
As an alternative of the embodiment of the present invention, a cavity baffle for limiting a sliding stroke of the sliding door is disposed at a terminal of the guide rail, and the cavity baffle is mounted on the cavity base.
As an alternative of the embodiment of the present invention, the cavity base is a C-shaped plate structure, and a first opening and a second opening are respectively disposed on a first side surface and a second side surface of the cavity base, which are adjacent to each other.
As an alternative to the embodiment of the present invention, the first opening is used for installing a profile to be stretched, and the upper edge and the lower edge of the second opening are respectively provided with the guide rail.
As an alternative of the embodiment of the present invention, the upper pressing cylinder is installed on the top surface of the cavity base, and the output shaft can extend into the installation cavity relative to the top surface of the cavity base.
As an alternative to the embodiment of the invention, the lateral pressing cylinder is mounted on the sliding door and the output shaft can extend into the mounting cavity relative to the sliding door.
As an alternative to the embodiment of the present invention, the upper pressing cylinder and the side pressing cylinder are hydraulic cylinders.
As an alternative of the embodiment of the present invention, the upper pressing cylinder and the side pressing cylinder are respectively fixed on the top of the cavity base and the sliding door by bolts.
Based on the same inventive concept, the second aspect of the present invention provides an operating method of the square chuck of the stretch bender, comprising the following steps:
when a workpiece is clamped, the workpiece is placed in the installation cavity, and the sliding door is pushed to a closed state through the door opening and closing cylinder; then starting an upper pressing cylinder and a side pressing cylinder to clamp the workpiece;
when a workpiece is unloaded, the upper pressing cylinder and the side pressing cylinder release pressure, and the cylinder diameter is retracted; the cylinder diameter of the switch door cylinder is retracted to drive the sliding door to move along the guide rail, the installation cavity is opened, and the part is taken down.
Compared with the prior art, the invention has the following advantages:
1) the square chuck of the stretch bender provided by the embodiment of the invention comprises the sliding door, the cavity base and the connecting fixing piece, wherein the sliding door and the cavity base form an installation cavity with an opening at the front side after being closed, the clamping cavity has large space, the clamping of more different types of section bars can be met, and the time for replacing the chuck can be saved by 90% in the conversion of a stretched product. The clamp blocks used by different products are simple to design and manufacture, the clamp blocks are convenient to replace, the manufacture cost of the clamp blocks is low, and the maintenance is simple.
2) According to the square chuck of the stretch bender, the opening and closing door cylinder, the upper pressing cylinder, the guide rail and the side pressing cylinder are arranged, and workpiece loading and unloading are achieved by driving the sliding door to open and close through the oil cylinder, so that the square chuck is convenient and reliable, and the time can be saved by 50%.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a conventional double-arm numerical control profile stretch bender.
Fig. 2 is a schematic structural view of a square chuck of a stretch bender according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of a chamber base structure according to an embodiment of the invention.
Wherein: 1-upper pressing cylinder; 2-a cavity baffle; 3-a guide rail; 4-a sliding door; 5-side pressing cylinder; 6-opening and closing the door cylinder; 7-a cavity base; 701 — a first opening; 702 — a second opening; 8-connecting a fixing piece; 9-opening and closing the door cylinder mounting seat; 100-a mould; 200-a main frame; 300-a section to be stretched; 400-a chuck; 500-stretching a cylinder; 600-a slide; 700-rotating arm.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
In a first aspect of the embodiments of the present invention, a square chuck of a stretch bender is provided, which is used to be installed on two stretching cylinders of a large-scale double-arm numerical control stretch bender, and plays a role in clamping two ends of a profile during a process of stretch bending the profile. The square chuck of the stretch bender provided by the embodiment is a square chuck which is suitable for profiles of different specifications, and is particularly used for parts with larger overall dimensions.
As shown in fig. 2, a square chuck of a stretch bender comprises an upper pressing cylinder 1, a guide rail 3, a sliding door 4, a side pressing cylinder 5, a switch door cylinder 6, a cavity base 7 and a connecting fixing piece 8; the upper pressing cylinder 1 is installed at the top of the cavity base 7, the side pressing cylinder 5 is installed on the sliding door 4, the guide rails 3 are arranged on the top side and the bottom side of the cavity base 7, and the sliding door 4 is installed on the guide rails 3 in a sliding mode and is fixedly connected with the door opening and closing cylinder 6; after the sliding door 4 is closed, the sliding door and the cavity base 7 form an installation cavity with a front side opening, and different clamping blocks can be arranged in the cavity according to section bar designs with different shapes and different specifications to clamp workpieces. In some embodiments, the cavity base 7 is fixedly connected through the connecting fixture 8, and the cavity base 7 is used for being mounted on a stretching cylinder of a stretch bender.
With the above arrangement, when the slide door 4 is in the closed state, the pressing of the work can be achieved by the upper and side pressing cylinders 1 and 4. The side pressing cylinder 5 is arranged on the sliding door 4, when a workpiece is assembled and disassembled, the sliding plate is opened and closed through the action of the opening and closing door cylinder 6, one side of the cavity is opened, and an operator can assemble and disassemble the workpiece conveniently.
As an example of the above embodiment, the size of the mounting cavity is 200mm x160 mm x400mm, the clamping blocks corresponding to the mounting cavity are arranged in the mounting cavity according to different types and specifications of workpieces, and the upper pressing cylinder 1 and the side pressing cylinder 5 press the workpieces through the clamping blocks.
In the embodiment of the present invention, the switch door cylinder 6 is installed on the switch door cylinder installation seat 9, and the switch door cylinder installation seat 9 is fixed on the connection fixing member 8. The sliding door 4 is driven to slide along the guide rail by arranging the door opening and closing cylinder 6, so that the opening and closing of the installation cavity are realized.
In other embodiments of the present invention, the end of the guide rail 3 is provided with a cavity baffle 2 for limiting the sliding stroke of the sliding door 4, and the cavity baffle 2 is mounted on the cavity base 7. Through two cavity baffles 2 about setting up, can be spacing to sliding door 4 at stroke end, prevent that the excessive extension of switch door jar 6 from leading to the side to compress tightly jar 5 can't correspond and treat tensile work piece.
As an example of the above embodiment, two sets of the cavity baffles 2 are respectively disposed at the ends of the upper and lower guide rails 3 for limiting the sliding door 4.
As an example of the above embodiment, the chamber base 7 has a C-shaped plate structure. The adjacent first side and second side of the cavity base 7 of the C-shaped plate structure are respectively provided with a first opening 701 and a second opening 702. The first opening 701 is used for installing a section bar to be stretched, and the upper edge and the lower edge of the second opening 702 are respectively provided with the guide rail 3.
With the above arrangement, when the sliding door 4 slides along the guide rail corresponding to the second opening 702 on the second side, the second opening 702 is opened or closed; when the second opening 702 is closed, it constitutes a mounting cavity with the first opening 701 open.
As an example of the above embodiment, the upper pressing cylinder 1 is installed on the top surface of the cavity base 7 and the output shaft can extend into the installation cavity relative to the top surface of the cavity base 7; the side pressing cylinder 5 is installed on the sliding door 4, and an output shaft can extend into the installation cavity relative to the sliding door 4, so that pressing or loosening is achieved.
Through the arrangement, when the cylinder diameters of the upper pressing cylinder 1 and the side pressing cylinder 5 extend out, the section to be stretched is clamped; when the cylinder diameters of the upper pressing cylinder 1 and the side pressing cylinder 5 are retracted, the section to be stretched is loosened.
As an example of the above embodiment, the upper pressing cylinder 1 and the side pressing cylinder 5 are hydraulic cylinders.
As an example of the above embodiment, the upper pressing cylinder 1 and the side pressing cylinder 5 are fixed to the top of the chamber base 7 and the sliding door 4 by bolts, respectively.
Based on the same inventive concept, the second aspect of the invention provides a working method of the square chuck of the stretch bender, which comprises the following steps:
when clamping a workpiece, the workpiece is placed in the installation cavity, and the sliding door 4 is pushed to a closed state through the door opening and closing cylinder 6; then starting the upper pressing cylinder 1 and the side pressing cylinder 5 to tightly push the clamping blocks, and clamping the workpiece through the clamping blocks;
when a workpiece is disassembled, the upper pressing cylinder 1 and the side pressing cylinder 5 are decompressed, and the cylinder diameters of the upper pressing cylinder 1 and the side pressing cylinder 5 are retracted; the cylinder diameter of the switch door cylinder 6 is retracted to drive the sliding door 4 to move along the guide rail 3, and the mounting cavity is opened, so that parts can be conveniently taken down.
According to the working method of the square chuck of the stretch bender, when the sliding door 4 is in a closed state, the workpiece can be compressed through the upper compression cylinder 1 and the side compression cylinder, and when the workpiece is loaded and unloaded, the sliding plate is opened and closed through the action of opening and closing the door cylinder 6, so that one side of the cavity is opened, and an operator can load and unload the workpiece conveniently.
It will be appreciated by those skilled in the art that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. A square chuck of a stretch bender is characterized by comprising an upper pressing cylinder (1), a guide rail (3), a sliding door (4), a side pressing cylinder (5), a switch door cylinder (6), a cavity base (7) and a connecting fixing piece (8);
the upper pressing cylinder (1) is installed at the top of the cavity base (7), the lateral pressing cylinder (5) is installed on the sliding door (4), and the guide rails (3) are arranged on the top lateral surface and the bottom lateral surface of the cavity base (7); the sliding door (4) is slidably arranged on the guide rail (3) and is fixedly connected with the door opening and closing cylinder (6);
the sliding door (4) and the cavity base (7) form an installation cavity with a front side opening after being closed;
the connecting and fixing piece (8) is fixedly connected with the cavity base (7) and is used for being installed on a stretching oil cylinder of the stretch bender.
2. The square clamp of a stretch bender according to claim 1, wherein the switch door cylinder (6) is mounted on a switch door cylinder mount (9), the switch door cylinder mount (9) being fixed to the connecting fixture (8).
3. The square clamping head of the stretch bender according to claim 1, wherein the end of the guide rail (3) is provided with a cavity baffle (2) for limiting the sliding travel of the sliding door (4), and the cavity baffle (2) is mounted on the cavity base (7).
4. The square collet of the stretch bender according to claim 1, characterized in that the cavity base (7) is a C-shaped plate structure, and a first opening (701) and a second opening (702) are respectively provided on a first side and a second side adjacent to the cavity base (7).
5. The square jaw of a stretch bender according to claim 4, characterized in that said first opening (701) is used for mounting the section bar to be stretched, and said guide rails (3) are respectively arranged on the upper and lower edges of said second opening (702).
6. The square collet of the draw bender according to claim 4, characterized in that the upper hold-down cylinder (1) is mounted on the top surface of the cavity base (7) and the output shaft can extend into the mounting cavity relative to the top surface of the cavity base (7).
7. The square jaw of a stretch bender according to claim 4, characterized in that the lateral pressing cylinders (5) are mounted on the sliding door (4) and the output shaft can protrude into the mounting cavity with respect to the sliding door (4).
8. The square jaw of the stretch bender according to claim 1, characterized in that the upper pressure cylinder (1) and the lateral pressure cylinder (5) are hydraulic cylinders.
9. The square collet of a stretch bender according to claim 1, characterized in that the upper pressure cylinder (1) and the lateral pressure cylinder (5) are fixed to the top of the cavity base (7) and the sliding door (4) by means of bolts, respectively.
10. A method of operating the square jaw of the stretch bender of claim 1, comprising the steps of:
when a workpiece is clamped, the workpiece is placed in the installation cavity, and the sliding door (4) is pushed to a closed state through the door opening and closing cylinder (6); then starting the upper pressing cylinder (1) and the side pressing cylinder (5) to clamp the workpiece;
when a workpiece is disassembled, the upper pressing cylinder (1) and the side pressing cylinder (5) are decompressed, and the cylinder diameter is retracted; the cylinder diameter of the switch door cylinder (6) is withdrawn, the sliding door (4) is driven to move along the guide rail (3), the installation cavity is opened, and the part is taken down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412118.XA CN114789224A (en) | 2022-04-19 | 2022-04-19 | Square chuck of stretch bender and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412118.XA CN114789224A (en) | 2022-04-19 | 2022-04-19 | Square chuck of stretch bender and working method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114789224A true CN114789224A (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210412118.XA Pending CN114789224A (en) | 2022-04-19 | 2022-04-19 | Square chuck of stretch bender and working method thereof |
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| CN (1) | CN114789224A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103586808A (en) * | 2013-11-14 | 2014-02-19 | 重庆延锋江森汽车部件系统有限公司 | Seat cushion positioning mechanism and control method thereof |
| JP2015107504A (en) * | 2013-12-04 | 2015-06-11 | 株式会社デンソーエアシステムズ | Processing unit and processing apparatus |
| US9908163B1 (en) * | 2017-05-02 | 2018-03-06 | Industrial Design & Fabrication, Inc. | Metal plate bending apparatus and method |
| CN208262368U (en) * | 2018-05-31 | 2018-12-21 | 温岭市科锐数控设备有限公司 | A kind of clamp system of guide rail puncher |
| CN110385358A (en) * | 2019-07-25 | 2019-10-29 | 凌云工业股份有限公司汽车零部件研发分公司 | A kind of molding die of automobile S type aluminium alloy extrusions bumper |
| CN111001688A (en) * | 2020-03-11 | 2020-04-14 | 广东高谱弯曲技术有限公司 | Improved stretch bender |
| CN111266443A (en) * | 2020-03-11 | 2020-06-12 | 广东高谱弯曲技术有限公司 | Working platform of stretch bender and stretch bending method thereof |
| CN212285612U (en) * | 2020-05-13 | 2021-01-05 | 陕西石竹能源科技有限公司 | Bending device for machining transverse gear shifting rod |
| CN215747657U (en) * | 2021-09-16 | 2022-02-08 | 济南康宏机械有限公司 | Full-automatic numerical control corner combining machine |
| CN114101411A (en) * | 2021-10-18 | 2022-03-01 | 福建福耀汽车饰件有限公司 | Compound curved top of window frame equipment of bending |
-
2022
- 2022-04-19 CN CN202210412118.XA patent/CN114789224A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586808A (en) * | 2013-11-14 | 2014-02-19 | 重庆延锋江森汽车部件系统有限公司 | Seat cushion positioning mechanism and control method thereof |
| JP2015107504A (en) * | 2013-12-04 | 2015-06-11 | 株式会社デンソーエアシステムズ | Processing unit and processing apparatus |
| US9908163B1 (en) * | 2017-05-02 | 2018-03-06 | Industrial Design & Fabrication, Inc. | Metal plate bending apparatus and method |
| CN208262368U (en) * | 2018-05-31 | 2018-12-21 | 温岭市科锐数控设备有限公司 | A kind of clamp system of guide rail puncher |
| CN110385358A (en) * | 2019-07-25 | 2019-10-29 | 凌云工业股份有限公司汽车零部件研发分公司 | A kind of molding die of automobile S type aluminium alloy extrusions bumper |
| CN111001688A (en) * | 2020-03-11 | 2020-04-14 | 广东高谱弯曲技术有限公司 | Improved stretch bender |
| CN111266443A (en) * | 2020-03-11 | 2020-06-12 | 广东高谱弯曲技术有限公司 | Working platform of stretch bender and stretch bending method thereof |
| CN212285612U (en) * | 2020-05-13 | 2021-01-05 | 陕西石竹能源科技有限公司 | Bending device for machining transverse gear shifting rod |
| CN215747657U (en) * | 2021-09-16 | 2022-02-08 | 济南康宏机械有限公司 | Full-automatic numerical control corner combining machine |
| CN114101411A (en) * | 2021-10-18 | 2022-03-01 | 福建福耀汽车饰件有限公司 | Compound curved top of window frame equipment of bending |
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Effective date of registration: 20240611 Address after: 710000, Room 401, 4th Floor, Building 7, Dapu Industrial Park, No. 4955 Shangyuan Road, Economic Development Zone, Xi'an City, Shaanxi Province Applicant after: XI'AN Xaec Suntimes HIGH-TECH Co.,Ltd. Country or region after: China Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Applicant before: AECC AVIATION POWER CO,LTD. Country or region before: China |