CN108099130B - Shearing jig and using method thereof - Google Patents
Shearing jig and using method thereof Download PDFInfo
- Publication number
- CN108099130B CN108099130B CN201810036007.7A CN201810036007A CN108099130B CN 108099130 B CN108099130 B CN 108099130B CN 201810036007 A CN201810036007 A CN 201810036007A CN 108099130 B CN108099130 B CN 108099130B
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- Prior art keywords
- valve port
- long
- port
- range
- communicated
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
A shearing jig comprises a bottom plate, a carrying disc for placing a workpiece, a first supporting plate fixed above the bottom plate, two first long-range cylinders arranged below the first supporting plate, a second supporting plate fixed on piston rods of the two first long-range cylinders, a second long-range cylinder arranged on the second supporting plate, a cutter arranged on the piston rod of the second long-range cylinder, a first interlocking device arranged on the bottom plate, a second interlocking device arranged below the second supporting plate, a first switching device and a switching device. Compared with the traditional manual shearing mode, the shearing jig provided by the invention is simple to operate, high in efficiency, higher in safety coefficient, simple in structure and low in cost compared with the existing shearing machine.
Description
The application is a divisional application of a patent with the application number of 201210587683.6, the application date of 2012, 12 and 29 and the name of 'shearing jig' invented and created.
Technical Field
The invention relates to the field of mechanical jigs, in particular to a shearing jig.
Background
In recent years, with the rapid development of multimedia technology, there has been an increasing demand for optical elements to be mounted in electronic devices such as digital cameras, video cameras, and mobile phones with an imaging function. Optical elements are typically manufactured by injection molding to improve production efficiency, yield and reduce cost. A technique for Injection Molding optical elements is disclosed in the article "Injection Molding of Binary optical elements" published by Robert D.TeKolste et al, the SPIE System, conference on Design, Fabrication and application of precision Plastic optical elements (Design, simulation, and precision Plastic Optics Proceedings), 1995.
after the optical element is injection molded, the optical element is cut to remove the runner stub bar, so as to obtain the required optical element. The traditional manual shearing method has the defects of complex operation, low efficiency and small safety factor, so a shearing machine is usually adopted to shear the gate position where the sprue stub bar of the runner intersects with the peripheral part of the optical element. However, the shearing machine in the prior art has high cost due to the complex structure, and is difficult to maintain when a fault occurs.
Disclosure of Invention
In view of the above, there is a need to provide a cutting jig which can replace the conventional manual cutting method and has a simple structure.
The invention provides a shearing jig which comprises a bottom plate, a carrying disc for placing a workpiece, a first supporting plate arranged above the bottom plate, a first long-range cylinder and a cutter, wherein the first long-range cylinder and the cutter are arranged on the first supporting plate, the first long-range cylinder comprises a piston, an upper cavity and a lower cavity which are positioned at two sides of the piston, and a piston rod on a fixed piston, the cutter is arranged on the piston rod of the first long-range cylinder, and the shearing jig further comprises a first air pressure or hydraulic device, a first switching device and a first locking device. The first switch device comprises a port A1 connected with the lower cavity of the first long-range cylinder, a port B1 connected with the lower cavity of the first long-range cylinder, and a port P1 connected with the first pneumatic or hydraulic device. When the first switch device is not pressed, the P1 valve port is communicated with the A1 valve port and is used for driving a piston rod of the first long-range cylinder to drive the cutter to move upwards; when the first switch device is pressed, the P1 port is communicated with the B1 port. The first interlocking device comprises an A2 valve port communicated with the outside, a B2 valve port communicated with the cavity above the first long-range cylinder and a P2 valve port connected with the A1 valve port of the first switching device. When the first interlock device is not triggered, the P2 valve port is communicated with the A2 valve port; when the loading disc triggers the first interlocking device, the P2 valve port is communicated with the B2 valve port.
Compared with the traditional manual shearing mode, the shearing jig provided by the invention is simple to operate, high in efficiency and high in safety coefficient, and meanwhile, compared with the existing shearing machine, the shearing jig is simple in structure and low in cost.
Drawings
Fig. 1 is a perspective view of a cutting tool according to a preferred embodiment of the present invention.
Fig. 2 is a perspective view of a workpiece placed on the shearing jig shown in fig. 1.
Fig. 3 is a schematic structural diagram of the shearing jig shown in fig. 1.
description of the main elements
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 and 2, the shearing jig 100 includes a bottom plate 1, a guide rail 2 disposed on the bottom plate 1, a carrier disc 3 slidably disposed on the guide rail 2, three parallel positioning rods 4 protruding from the bottom plate 1, a first supporting plate 5 fixed on the end of the positioning rod 4, two first long-range cylinders 6 disposed below the first supporting plate 5, a second supporting plate 7 fixed on the piston rods of the two first long-range cylinders 6, a second long-range cylinder 8 disposed on the second supporting plate 7, a cutter 9 disposed on the piston rod of the second long-range cylinder 8, a first switch device 10, a first lock device 11, a second switch device 12, and a second interlock device 13, wherein the carrier disc 3 is used for placing a workpiece 16. The first interlocking device 11 is disposed on the bottom plate 1 near one end of the guide rail 2, and the second interlocking device 13 is disposed below the second supporting plate 7. The first long-range cylinder 6 and the second long-range cylinder 8 respectively comprise a piston, an upper cavity and a lower cavity which are positioned at two sides of the piston, and a piston rod fixedly connected to the piston.
Referring to fig. 3, the first switch device 10 is a three-port two-position valve, and includes a port a1, a port B1, and a port P1, wherein the port a1 is connected to the lower cavities of the two first long cylinders 6, the port B1 is connected to the first interlock device 11, and the port P1 is connected to the first pneumatic or hydraulic device 14. When the first switch device 10 is not pressed, the P1 valve port is communicated with the A1 valve port, so that the piston rod of the first long-range cylinder 6 can be used for driving the second supporting plate 7 to move upwards; when the first switch device 10 is pressed, the P1 port communicates with the B1 port.
The first interlock device 11 includes a port a2, a port B2, and a port P2, wherein the port a2 is connected to the outside, the port B2 is connected to the upper cavity of the two first long cylinders 6, and the port P2 is connected to the port a1 of the first switch device 10. When the first interlock 11 is not activated, the port P2 communicates with the port A2; when the first interlock 11 is activated, the P2 port communicates with the B2 port.
The second switch device 12 is similar to the first switch device 10 in structure and includes a port A3, a port B3, and a port P3, wherein the port A3 is connected to the lower cavity of the second long-distance cylinder 8, the port B3 is connected to the second interlocking device 13, and the port P3 is connected to the second pneumatic or hydraulic device 15.
The second interlocking device 13 includes a port a4, a port B4, and a port P4, in which the port a4 is connected to the outside, the port B4 is connected to the upper chamber of the second long-distance cylinder 8, and the port P4 is connected to the port B3 of the second switch device 12. When the second interlocking device 13 is not triggered, the P4 valve port is communicated with the A4 valve port; when the second interlock 13 is triggered, the P4 port communicates with the B4 port.
When the locking device is used, the carrying disc 3 is pulled out from the lower part of the cutter 9, the carrying disc 3 is pushed to the lower part of the cutter 9 after the workpiece 16 is placed, and the first locking device 11 is triggered. At this time, when the first switch device 10 is pressed, the working medium (liquid or gas) provided by the first pneumatic or hydraulic device 14 enters the upper cavities of the two first long-range cylinders 6 through the P1 valve port, the B1 valve port, the P2 valve port and the B2 valve port, and further drives the piston rods thereof to drive the second support plate 7 to move downwards and trigger the second interlocking device 13. When the second switch device 12 is continuously pressed, the working medium provided by the second pneumatic or hydraulic device 15 passes through the P3 valve port, the B3 valve port, the P4 valve port, and the B4 valve port to form an upper cavity of the second long-range cylinder 8, and then the piston rod of the working medium drives the cutter 9 to move downward and cut the workpiece 16 disposed on the carrier plate 3. The user can press the first and second switch means 10 and 12 with both hands simultaneously, respectively, thereby preventing the user from being injured by the downward movement of the cutter 9.
After the cutting is finished, the first switch device 10 and the second switch device 12 are released, the working medium provided by the first pneumatic or hydraulic device 14 enters the lower cavities of the two first long-range cylinders 6 through the P1 valve port and the A1 valve port, the piston rod of the first long-range cylinder 6 is used for driving the second support plate 7 to move upwards, the working medium P3 valve port and the A3 valve port provided by the second pneumatic or hydraulic device 15 enter the lower cavities of the two second long-range cylinders 8, the piston rod of the second long-range cylinder 8 is used for driving the cutter 9 to move upwards, and therefore the carrier disc 3 can be conveniently pulled out and the workpiece 16 on the carrier disc can be conveniently taken out.
In another embodiment, the cutting tool 100 includes a first long-range cylinder 6, a first switch device 10, a first lock device 11, and a first pneumatic or hydraulic device 14, and does not include a second support plate 7, a second long-range cylinder 8, a second switch device 12, a second interlock device 13, and a second pneumatic or hydraulic device 15, and the cutting knife 9 is disposed on the first long-range cylinder 6. When the loading disc 3 moves along the guide rail to trigger the first locking device 11, the piston rod of the first long-stroke cylinder 6 drives the cutter 9 to move downwards to cut the workpiece 16 by pressing the first switching device 10.
When the tray 3 is not moved to the position for triggering the first interlocking device 11, when the first switch device 10 and the second switch device 12 are pressed, the working medium provided by the first pneumatic or hydraulic device 14 flows out through the P1 valve port, the B1 valve port, the P2 valve port and the a2 valve port, and thus the piston rods of the two first long-range cylinders 6 cannot act to drive the second supporting plate 7 to move downwards to trigger the second interlocking device 13. Working medium of the second pneumatic or hydraulic device 15 flows out through the P3 valve port, the B3 valve port, the P4 valve port and the A4 valve port, so that the piston rod of the second long-range cylinder 8 cannot be used for driving the cutter 9 to move downwards, and the cutter 9 can be effectively prevented from moving downwards when the first switch device 10 and the second switch device 12 are pressed by mistake.
while the preferred embodiments of the invention have been illustrated and described, it will be appreciated by those skilled in the art that various changes and modifications may be made without departing from the true scope of the invention. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides a shearing jig, a serial communication port, including a bottom plate, place the year dish that the work piece was used, be fixed in the first backup pad that sets up in the bottom plate top, set up two first long-range cylinders in first backup pad below, be fixed in the second backup pad on two first long-range cylinder piston rods, set up the second long-range cylinder in the second backup pad, set up a cutter on the second long-range cylinder piston rod, set up the first interlock on the bottom plate, set up second interlocking device, first switching device in the below of second backup pad: the hydraulic control valve comprises an A1 valve port, a B1 valve port, a P1 valve port and a second switch device, wherein the A1 valve port and the B1 valve port are connected with a cavity below a first long-range cylinder, the P1 valve port is connected with a first pneumatic or hydraulic device: comprises an A3 valve port connected with the lower cavity of the second long-range cylinder, a B3 valve port and a P3 valve port connected with the second pneumatic or hydraulic device.
2. The shearing jig of claim 1, wherein: the first long-range cylinder and the second long-range cylinder respectively comprise a piston, an upper cavity and a lower cavity which are positioned at two sides of the piston, and a piston rod fixedly connected to the piston.
3. the shearing jig of claim 1, wherein: when the first switch device is not pressed, the P1 valve port is communicated with the A1 valve port and is used for driving the piston rod of the second long-range cylinder to drive the cutter to move upwards, and when the first switch device is pressed, the P1 valve port is communicated with the B1 valve port.
4. The shearing jig of claim 1, wherein: when the second switch device is not pressed, the P3 port is communicated with the A3 port, and when the second switch device is pressed, the P3 port is communicated with the B3 port.
5. The shearing jig of claim 1, wherein: the first interlocking device comprises an A2 valve port communicated with the outside, a B2 valve port communicated with a cavity above the first long-range cylinder and a P2 valve port connected with a B1 valve port of the first switching device, and when the first interlocking device is not triggered, the P2 valve port is communicated with an A2 valve port; when the loading disc triggers the first interlocking device, the P2 valve port is communicated with the B2 valve port.
6. The shearing jig of claim 1, wherein: the second interlocking device comprises an A4 valve port communicated with the outside, a B4 valve port communicated with a cavity above the second long-range cylinder and a P4 valve port connected with a B3 valve port of the second switching device, and when the second interlocking device is not triggered by the second supporting plate, the P4 valve port is communicated with the A4 valve port; when the second support plate triggers the second interlocking device, the P4 valve port is communicated with the B4 valve port.
7. The shearing jig of claim 1, wherein: the shearing jig further comprises a guide rail arranged on the bottom plate, the carrying disc is arranged on the guide rail in a sliding mode, and the first interlocking device is arranged on the bottom plate and close to one end of the guide rail.
8. The shearing jig of claim 1, wherein: the shearing jig comprises three positioning rods arranged on the bottom plate, and the first supporting plate is fixed on the end parts of the three positioning rods.
9. The use method of the shearing jig according to any one of claims 1 to 8, characterized in that the use method of the shearing jig comprises the following steps:
When the tool is used, the carrying disc is pulled out from the lower part of the cutter, and after a workpiece is placed, the carrying disc is pushed to the lower part of the cutter and the first interlocking device is triggered;
When the first switch device is pressed, working medium (liquid or gas) provided by the first air pressure or hydraulic device enters the upper cavities of the two first long-range cylinders through the P1 valve port, the B1 valve port, the P2 valve port and the B2 valve port, and further drives the piston rods of the working medium to drive the second support plate to move downwards and trigger the second interlocking device;
Continuously pressing the second switch device, wherein a working medium provided by the second air pressure or hydraulic device passes through the P3 valve port, the B3 valve port, the P4 valve port and the B4 valve port to further drive the upper cavity of the second long-range cylinder, so that the piston rod of the second air pressure or hydraulic device drives the cutter to move downwards and cut the workpiece arranged on the carrying disc;
After the cutting is finished, the first switch device and the second switch device are loosened, working media provided by the first air pressure or hydraulic device enter the lower cavities of the two first long-range cylinders through the P1 valve port and the A1 valve port, so that the piston rods of the first long-range cylinders drive the second support plate to move upwards, the working media provided by the second air pressure or hydraulic device enter the lower cavities of the two second long-range cylinders through the P3 valve port and the A3 valve port, so that the piston rods of the second long-range cylinders drive the cutter to move upwards, and therefore the carrier disc can be conveniently pulled out and workpieces on the carrier disc can be conveniently taken out;
When the carrying disc does not move to the position for triggering the first interlocking device, when the first switching device and the second switching device are pressed, the working medium provided by the first air pressure or hydraulic device flows out through the P1 valve port, the B1 valve port, the P2 valve port and the A2 valve port, so that the piston rods of the two first long-range cylinders cannot act to drive the second supporting plate to move downwards to trigger the second interlocking device, and the working medium of the second air pressure or hydraulic device flows out through the P3 valve port, the B3 valve port, the P4 valve port and the A4 valve port, so that the piston rods of the second long-range cylinders cannot act to drive the cutter to move downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036007.7A CN108099130B (en) | 2012-12-29 | 2012-12-29 | Shearing jig and using method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587683.6A CN103895190B (en) | 2012-12-29 | 2012-12-29 | Shearing jig |
| CN201810036007.7A CN108099130B (en) | 2012-12-29 | 2012-12-29 | Shearing jig and using method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210587683.6A Division CN103895190B (en) | 2012-12-29 | 2012-12-29 | Shearing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099130A CN108099130A (en) | 2018-06-01 |
| CN108099130B true CN108099130B (en) | 2019-12-13 |
Family
ID=50986916
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210587683.6A Active CN103895190B (en) | 2012-12-29 | 2012-12-29 | Shearing jig |
| CN201810036007.7A Expired - Fee Related CN108099130B (en) | 2012-12-29 | 2012-12-29 | Shearing jig and using method thereof |
| CN201810036059.4A Active CN108262926B (en) | 2012-12-29 | 2012-12-29 | A kind of shearing jig and its application method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210587683.6A Active CN103895190B (en) | 2012-12-29 | 2012-12-29 | Shearing jig |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810036059.4A Active CN108262926B (en) | 2012-12-29 | 2012-12-29 | A kind of shearing jig and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103895190B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039732A (en) * | 2019-05-10 | 2019-07-23 | 优力精密塑胶（苏州）有限公司 | One kind cutting glue jaws equipment and its cuts glue mouth technique |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556649A (en) * | 1993-08-30 | 1996-09-17 | Yamaha Motor Co., Ltd. | Device for removing runners from molded products |
| CN201454896U (en) * | 2009-03-23 | 2010-05-12 | 东莞市金隽机械有限公司 | Device for automatically removing nozzle material of product screw |
| CN201500811U (en) * | 2009-10-13 | 2010-06-09 | 江苏达胜加速器制造有限公司 | Pneumatic edge cutting device |
| CN202412616U (en) * | 2012-01-11 | 2012-09-05 | 东莞劲胜精密组件股份有限公司 | Automatic drilling and milling machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935811A (en) * | 1974-09-16 | 1976-02-03 | Kurt Manufacturing Company, Inc. | Bolster table device for punch press |
| JPH08150640A (en) * | 1994-11-28 | 1996-06-11 | Sony Corp | Apparatus and method for cutting molding |
| JP3412995B2 (en) * | 1995-12-27 | 2003-06-03 | アイホン株式会社 | Transfer equipment for resin parts with gate |
| JP2003266496A (en) * | 2002-03-13 | 2003-09-24 | Star Seiki Co Ltd | Gate cutter for polymer molded article and gate cutting method |
| TWI239887B (en) * | 2004-07-07 | 2005-09-21 | Asia Optical Co Inc | Automatic cutting machine having receiving device for lens |
| JP2007216400A (en) * | 2006-02-14 | 2007-08-30 | Star Seiki Co Ltd | Gate shutting processing apparatus of molding and gate cutting quality discriminating method |
| CN101586584A (en) * | 2008-05-20 | 2009-11-25 | 上海建工股份有限公司 | A kind of high level, tall and slender structure construction creeping formwork hydraulic synchronous control system |
| CN201455103U (en) * | 2009-06-02 | 2010-05-12 | 鹤壁海昌专用设备有限公司 | Counting cut-off type crimping die |
| CN202156007U (en) * | 2011-05-31 | 2012-03-07 | 苏州南部塑料有限公司 | Full-automatic runner shearing machine |
| CN102528848A (en) * | 2012-02-20 | 2012-07-04 | 浙江华岳包装机械有限公司 | Cutter locking valve mechanism of full-hydraulic paper cutting machine |
-
2012
- 2012-12-29 CN CN201210587683.6A patent/CN103895190B/en active Active
- 2012-12-29 CN CN201810036007.7A patent/CN108099130B/en not_active Expired - Fee Related
- 2012-12-29 CN CN201810036059.4A patent/CN108262926B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556649A (en) * | 1993-08-30 | 1996-09-17 | Yamaha Motor Co., Ltd. | Device for removing runners from molded products |
| CN201454896U (en) * | 2009-03-23 | 2010-05-12 | 东莞市金隽机械有限公司 | Device for automatically removing nozzle material of product screw |
| CN201500811U (en) * | 2009-10-13 | 2010-06-09 | 江苏达胜加速器制造有限公司 | Pneumatic edge cutting device |
| CN202412616U (en) * | 2012-01-11 | 2012-09-05 | 东莞劲胜精密组件股份有限公司 | Automatic drilling and milling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103895190B (en) | 2017-12-19 |
| CN108262926A (en) | 2018-07-10 |
| CN103895190A (en) | 2014-07-02 |
| CN108099130A (en) | 2018-06-01 |
| CN108262926B (en) | 2019-10-08 |
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Effective date of registration: 20191112 Address after: 317600 Yangfan Road, Yuhuan City, Taizhou City, Zhejiang Province (South of Marine Economic Transition and Upgrading Demonstration Zone) Applicant after: Zhejiang Xingdao Machinery Co.,Ltd. Address before: 362800 Qianting East No.9, Qianting Village, Fengwei Town, Quanzhou City, Fujian Province Applicant before: QUANZHOU QUANGANG CANPENG MACHINERY EQUIPMENT CO.,LTD. |
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Granted publication date: 20191213 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |