CN113231528A - Special-shaped foot cutting die for TO-5 micro relay support - Google Patents
Special-shaped foot cutting die for TO-5 micro relay support Download PDFInfo
- Publication number
- CN113231528A CN113231528A CN202110540948.6A CN202110540948A CN113231528A CN 113231528 A CN113231528 A CN 113231528A CN 202110540948 A CN202110540948 A CN 202110540948A CN 113231528 A CN113231528 A CN 113231528A
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- China
- Prior art keywords
- fixing plate
- cutting
- die
- female die
- material pressing
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a mold for cutting special-shaped pins of a TO-5 micro relay bracket. The invention comprises a lower die and an upper die; the middle part of the lower die is provided with a female die fixing plate, the middle part of the female die fixing plate is provided with a combined cutter, the left side and the right side of the middle part of the female die fixing plate are relatively provided with a pin cutting slide block, and the pin cutting slide block is connected with a male die cutter; the middle part of the upper die is provided with a fixing plate, the middle part of the fixing plate is connected with a material pressing block, and the left part and the right part of the middle part of the fixing plate are oppositely connected with a foot cutting inclined wedge; the two cutting feet are obliquely arranged above the two cutting foot sliding blocks, and the material pressing block is arranged above the combined cutter. The mold simultaneously forms two special-shaped pins of the TO-5 micro relay bracket part, ensures the height consistency of the two pins, and has the advantages of simple structure, convenient waste discharge, quick processing, manufacture and maintenance, easy guarantee of dimensional precision and the like.
Description
Technical Field
The invention relates TO the technical field of precision machining of key parts of relays, in particular TO a TO-5 miniature relay bracket special-shaped pin cutting die.
Background
At present, two feet of a yoke part used by a TO-5 product micro relay of our company are designed into a special-shaped structure, as shown in an attached figure 1. Often, consideration is given to designing the part forming process: according to the technical route of the compound cutting, the primary bending, the secondary bending and the shaping, the special-shaped structures of the two legs are firstly formed in the compound cutting process, but the heights of the two legs of the yoke are different after the two legs are bent in the actual production, so that the assembly size requirement of a product cannot be met.
Therefore, a novel mold structure for cutting the pin of the part needs to be designed to meet the production requirement.
Disclosure of Invention
The invention aims TO provide a TO-5 micro relay bracket special-shaped pin cutting mold, which solves the problems that the special-shaped pins formed by the micro relay bracket are high in consistency and the waste of the mold is not easy TO discharge.
The invention adopts the following technical scheme to realize the purpose of the invention:
a TO-5 miniature relay bracket special-shaped pin cutting die comprises a lower die and an upper die; the middle part of the lower die is provided with a female die fixing plate, the middle part of the female die fixing plate is provided with a combined cutter, the left side and the right side of the middle part of the female die fixing plate are relatively provided with a pin cutting slide block, and the pin cutting slide block is connected with a male die cutter; the middle part of the upper die is provided with a fixing plate, the middle part of the fixing plate is connected with a material pressing block, and the left part and the right part of the middle part of the fixing plate are oppositely connected with a foot cutting inclined wedge; the two cutting feet are obliquely arranged above the two cutting foot sliding blocks, and the material pressing block is arranged above the combined cutter.
In the TO-5 miniature relay bracket special-shaped foot cutting die, the left side and the right side of the front end of the male die cutter are respectively provided with a male die cutting edge; the combined cutter comprises an adjusting insert, the two sides of the adjusting insert are respectively connected with a left cutter and a right cutter, and the upper parts of the left cutter and the right cutter are respectively provided with a female die cutting edge.
In the TO-5 miniature relay bracket special-shaped pin cutting die, the middle part of the female die fixing plate is provided with the positioning block, and two sides of the positioning block are provided with the stop blocks.
In the TO-5 micro relay bracket special-shaped pin cutting die, the middle part of the front side of the female die fixing plate is provided with a waste receiving box.
In the TO-5 miniature relay bracket special-shaped pin cutting die, a pressing sliding block is arranged in the middle of the rear side of the female die fixing plate, a stop block is arranged at the front end of the pressing sliding block, a pressing nail is arranged in the pressing sliding block, and the female die fixing plate is connected with a pressing block above the front part of the pressing sliding block; and a material pressing inclined wedge is arranged above the rear part of the material pressing sliding block.
In the TO-5 miniature relay bracket special-shaped pin cutting die, the lower die comprises a base, the top surface of the base is connected with a female die base plate, and the female die base plate is connected with a female die fixing plate; the upper die comprises an upper support, the bottom surface of the upper support is connected with a base plate, and the base plate is connected with a fixing plate; the bottom surface of the upper support is connected with an inclined wedge fixing plate, and the inclined wedge fixing plate is connected with a material pressing inclined wedge.
In the TO-5 miniature relay bracket special-shaped pin cutting die, the bottom surface of the upper support is connected with the guide sleeve; the top surface of the base is connected with a guide pillar; the guide pillar is arranged in the guide sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the process of the invention, firstly, the special-shaped structures of the two legs are firstly formed in the process of the re-cutting, the primary bending, the secondary bending and the shaping which are usually considered when the part processing and forming process is designed, but the height difference of the two legs of the yoke after the two legs are bent is inconsistent in the actual production process, and the requirement of the product assembly size cannot be met. And then the process route is adjusted to be recutting, primary bending, secondary bending, shaping and pin cutting, the special-shaped pin structure is not formed firstly in the recutting process, the pin cutting process is independently carried out after bending, the special-shaped pin structure is cut, and meanwhile, the height consistency of the two pins can be ensured through the design and processing of the die structure. However, the invention is obtained after the technical difficulty is overcome when the problem that the die pin cutting waste is difficult to discharge after the process is adjusted is encountered.
2. The invention adopts the flat lying type positioning design of the yoke part when the TO-5 micro relay bracket part cuts the feet, and the inclined wedges (inclined slide blocks) are designed on both sides TO move the cutter for cutting the feet in a mode of moving the material pressing through the inclined wedges (inclined slide blocks), thereby well ensuring the consistency of the height of the cut feet.
3. The lower die positioning and positioning part of the pin cutting die is designed to be of a combined insert structure, and has the functions of part positioning and pin cutting female dies.
4. The pin cutting female die is used as a working part and is easy to wear, the pin cutting female die is designed into a combined structure for facilitating cutter maintenance and replacement, and the pin cutting female die is connected and combined together by welding, so that the maintainability of the die is improved.
5. The discharging space is designed between the cutters at two sides of the pin cutting female die, and meanwhile, a special discharging groove insert structure is added below the cutters, so that waste materials can be smoothly discharged out of the die.
6. The combined cutter comprises a left cutter, a right cutter and an adjusting insert, and aims to facilitate maintenance after the cutting edge of a female die is worn, because the left cutter and the right cutter are required to be detached to grind the cutting edge after the cutting edge of the female die is worn, the thickness of the cutter is reduced after grinding, so that padding post-welding is required during recombination, the whole thickness of the combined cutter is adjusted, the positioning clearance between the cutting edge of the male die and the female die of a die and a support part is ensured, and the precision quality of a cutting foot is ensured.
7. The invention adopts the design of a yoke part lying type positioning structure, so that the positioning insert and the female die insert are designed into an integrated combined insert, a special waste discharging structure is conveniently designed at a reserved position in a limited space, and the smooth work of a die is ensured.
8. When the combined type insert is used for operating parts, the two feet are simultaneously cut, the female die for cutting off the two feet is designed into the insert, the two sides are simultaneously cutting edges, a discharge space is reserved in the middle, the insert is designed into a combined type structure, the cutting edges of the female dies at the two sides can be separated and repaired after being worn, and then the insert is combined, so that the maintenance is convenient and fast.
9. The material pressing and the cutting foot of the die structure are simultaneously transferred by the inclined wedge (inclined slide block), the structure is simple, the processing, the manufacturing and the maintenance are fast, and the precision is easy to guarantee.
In summary, the following steps: the mold simultaneously forms two special-shaped pins of the TO-5 micro relay bracket part, ensures the height consistency of the two pins, and has the advantages of simple structure, convenient waste discharge, quick processing, manufacture and maintenance, easy guarantee of dimensional precision and the like.
Drawings
FIG. 1 is a schematic structural diagram of a yoke part for a TO-5 product micro relay;
FIG. 2 is a schematic structural view in a front view direction of the present invention;
FIG. 3 is a side view schematic of the present invention; (ii) a
FIG. 4 is a schematic view of the structure of the lower mold;
FIG. 5 is a schematic view of the structure of the upper die;
FIG. 6 is a schematic view of a combination cutter;
FIG. 7 is a schematic view of the positioning block;
FIG. 8 is a schematic view of the structure of the punch cutter;
FIG. 9 is a schematic view of a swaging slide;
FIG. 10 is a schematic view of the construction of the foot cutting slider;
the labels in the figures are: 1-base, 2-die backing plate, 3-die fixing plate, 4-waste receiving box, 5-combined cutter, 6-support part, 7-positioning block, 8-stop block, 9-guide pillar, 10-pressing block, 11-pressing slide block, 12-pressing nail, 13-male cutter, 14-pin cutting slide block, 15-upper support, 16-backing plate, 17-fixing plate, 18-pin wedge, 19-guide sleeve, 20-wedge fixing plate, 21-pressing wedge, 22-pressing block, 23-right cutter, 24-adjusting insert, 25-left cutter, 26-male cutter edge, 27-die cutter edge, 28-TO-5 micro relay support and 29-special-shaped pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Examples are given. A TO-5 micro relay bracket special-shaped pin cutting die is shown in figures 2-10 and comprises a lower die and an upper die; a female die fixing plate 3 is arranged in the middle of the lower die, a combined cutter 5 is arranged in the middle of the female die fixing plate 3, foot cutting sliders 14 are oppositely arranged on the left side and the right side of the middle of the female die fixing plate 3, and the foot cutting sliders 14 are connected with a male die cutter 13; a fixing plate 17 is arranged in the middle of the upper die, the middle of the fixing plate 17 is connected with a material pressing block 22, and the left and right of the middle of the fixing plate 17 are oppositely connected with a foot cutting inclined wedge 18; the two cutting foot wedges 18 are arranged above the two cutting foot slide blocks 14, and the material pressing block 22 is arranged above the combined cutter 5.
The left side and the right side of the front end of the male die cutter 13 are respectively provided with a male die cutting edge 26; the combined cutter 5 comprises an adjusting insert 24, two sides of the adjusting insert 24 are respectively connected with a left cutter 25 and a right cutter 23, and the upper parts of the left cutter 25 and the right cutter 23 are respectively provided with a female die cutting edge 27. The combined cutter consists of a left cutter 25, a right cutter 23 and an adjusting insert 24, and is convenient to maintain after the cutting edge of the female die is abraded, the left cutter and the right cutter are required to be detached to grind the cutting edge after the cutting edge of the female die is abraded, the thickness of the cutter after grinding is reduced, and therefore padding is required to be welded after recombination, the whole thickness of the combined cutter is adjusted, the gaps between the cutting edge of the male die and the female die of the die and the positioning of a support part are guaranteed, and the precision quality of a cutting foot is guaranteed.
The middle part of the female die fixing plate 3 is provided with a positioning block 7, and two sides of the positioning block 7 are provided with stop blocks 8.
And a waste receiving box 4 is arranged in the middle of the front side of the female die fixing plate 3.
A material pressing slide block 11 is arranged in the middle of the rear side of the female die fixing plate 3, a stop block 8 is arranged at the front end of the material pressing slide block 11, a material pressing nail 12 is arranged in the material pressing slide block 11, and a pressing block 10 is connected above the front part of the material pressing slide block 11 of the female die fixing plate 3; a material pressing inclined wedge 21 is arranged above the rear part of the material pressing sliding block 11.
The lower die comprises a base 1, the top surface of the base 1 is connected with a female die base plate 2, and the female die base plate 2 is connected with a female die fixing plate 3; the upper die comprises an upper support 15, the bottom surface of the upper support 15 is connected with a backing plate 16, and the backing plate 16 is connected with a fixing plate 17; the bottom surface of the upper support 15 is connected with an inclined wedge fixing plate 20, and the inclined wedge fixing plate 20 is connected with a material pressing inclined wedge 21.
The bottom surface of the upper support 15 is connected with a guide sleeve 19; the top surface of the base 1 is connected with a guide post 9; the guide post 9 is arranged in the guide sleeve 19. The guide post 9 and the guide sleeve 19 guide the moving direction of the upper die and the lower die.
The working process of the foot cutting of the invention is as follows: after a die is assembled on a punch and the debugging is finished, a bracket part 6 is placed on a positioning block 7 to finish the positioning, an upper die moves towards a lower die after the punch is started, a pressing wedge 21 firstly moves a pressing slide block 11, the contact surface of the pressing wedge 21 and the contact surface of the pressing slide block is inclined, the pressing wedge 21 moves downwards to push the pressing slide block 11 to slide towards the direction of the bracket part, so that a pressing nail 12 presses the circular bottom of the bracket part, meanwhile, a pressing block 22 moves downwards through the arc concave surface at the end part to press the cylindrical side surface of the bracket part, then, the cutting foot wedges 18 at two sides also push the cutting foot slide blocks 14 at two sides to move towards the direction of the middle bracket part through the inclined surface contact, the male die cutters 13 at two sides simultaneously move towards two feet of the part, the cutting foot is finished through the upper male die cutting edge 26 of the part and the female die cutting edge 27 on the middle combined cutter 5, the cutting foot waste falls into a waste receiving box 4 from the middle of the combined cutter 5 to finish the waste discharging, and after the pin cutting is finished, the upper die of the punch moves upwards to reset, and finally the part with the completed pin cutting is taken out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a TO-5 miniature relay support cuts special-shaped foot mould which characterized in that: comprises a lower die and an upper die; a female die fixing plate (3) is arranged in the middle of the lower die, a combined cutter (5) is arranged in the middle of the female die fixing plate (3), foot cutting sliders (14) are oppositely arranged on the left side and the right side of the middle of the female die fixing plate (3), and the foot cutting sliders (14) are connected with a male die cutter (13); a fixing plate (17) is arranged in the middle of the upper die, the middle of the fixing plate (17) is connected with a material pressing block (22), and the left and right of the middle of the fixing plate (17) are oppositely connected with a foot cutting inclined wedge (18); the two cutting foot inclined wedges (18) are arranged above the two cutting foot sliding blocks (14), and the material pressing block (22) is arranged above the combined cutter (5).
2. The TO-5 micro relay bracket special-shaped foot cutting mold as claimed in claim 1, wherein: the left side and the right side of the front end of the male die cutter (13) are respectively provided with a male die cutting edge (26); the combined cutting knife (5) comprises an adjusting insert (24), two sides of the adjusting insert (24) are respectively connected with a left cutting knife (25) and a right cutting knife (23), and the upper parts of the left cutting knife (25) and the right cutting knife (23) are respectively provided with a female die cutting edge (27).
3. The TO-5 micro relay bracket special-shaped foot cutting mold as claimed in claim 1, wherein: the middle part of the female die fixing plate (3) is provided with a positioning block (7), and two sides of the positioning block (7) are provided with stop blocks (8).
4. The TO-5 micro relay bracket special-shaped foot cutting mold as claimed in claim 1, wherein: and a waste receiving box (4) is arranged in the middle of the front side of the female die fixing plate (3).
5. The TO-5 micro relay bracket special-shaped foot cutting mold as claimed in claim 1, wherein: a material pressing sliding block (11) is arranged in the middle of the rear side of the female die fixing plate (3), a stop block (8) is arranged at the front end of the material pressing sliding block (11), a material pressing nail (12) is arranged in the material pressing sliding block (11), and a pressing block (10) is connected above the front part of the material pressing sliding block (11) of the female die fixing plate (3); a material pressing inclined wedge (21) is arranged above the rear part of the material pressing sliding block (11).
6. The TO-5 micro relay bracket special-shaped foot cutting mold according TO claim 5, characterized in that: the lower die comprises a base (1), the top surface of the base (1) is connected with a female die base plate (2), and the female die base plate (2) is connected with a female die fixing plate (3); the upper die comprises an upper support (15), the bottom surface of the upper support (15) is connected with a base plate (16), and the base plate (16) is connected with a fixing plate (17); the bottom surface of the upper support (15) is connected with an inclined wedge fixing plate (20), and the inclined wedge fixing plate (20) is connected with a material pressing inclined wedge (21).
7. The TO-5 micro relay bracket special-shaped foot cutting mold as claimed in claim 6, wherein: the bottom surface of the upper support (15) is connected with a guide sleeve (19); the top surface of the base (1) is connected with a guide post (9); the guide post (9) is arranged in the guide sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540948.6A CN113231528B (en) | 2021-05-18 | 2021-05-18 | Special-shaped foot mould is cut TO miniature relay support of TO-5 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540948.6A CN113231528B (en) | 2021-05-18 | 2021-05-18 | Special-shaped foot mould is cut TO miniature relay support of TO-5 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113231528A true CN113231528A (en) | 2021-08-10 |
| CN113231528B CN113231528B (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540948.6A Active CN113231528B (en) | 2021-05-18 | 2021-05-18 | Special-shaped foot mould is cut TO miniature relay support of TO-5 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113231528B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004105999A (en) * | 2002-09-17 | 2004-04-08 | Toyota Auto Body Co Ltd | Press forming apparatus |
| CN203044628U (en) * | 2012-11-29 | 2013-07-10 | 冯英 | Novel edge cutting die |
| CN103567275A (en) * | 2012-08-09 | 2014-02-12 | 成都科兴密封技术有限公司 | Sectional trimming mould |
| CN107983828A (en) * | 2017-12-01 | 2018-05-04 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of mould and application method for processing bowl side wall and edge gap |
| CN208970440U (en) * | 2018-11-02 | 2019-06-11 | 贵州振华群英电器有限公司（国营第八九一厂） | The rectangular highly sensitive TO-5 electromagnetic relay yoke of one kind and electromagnetic relay |
-
2021
- 2021-05-18 CN CN202110540948.6A patent/CN113231528B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004105999A (en) * | 2002-09-17 | 2004-04-08 | Toyota Auto Body Co Ltd | Press forming apparatus |
| CN103567275A (en) * | 2012-08-09 | 2014-02-12 | 成都科兴密封技术有限公司 | Sectional trimming mould |
| CN203044628U (en) * | 2012-11-29 | 2013-07-10 | 冯英 | Novel edge cutting die |
| CN107983828A (en) * | 2017-12-01 | 2018-05-04 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of mould and application method for processing bowl side wall and edge gap |
| CN208970440U (en) * | 2018-11-02 | 2019-06-11 | 贵州振华群英电器有限公司（国营第八九一厂） | The rectangular highly sensitive TO-5 electromagnetic relay yoke of one kind and electromagnetic relay |
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| Publication number | Publication date |
|---|---|
| CN113231528B (en) | 2023-04-21 |
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