CN110496893B - Mould structure of one-knife beveling end of guide groove - Google Patents
Mould structure of one-knife beveling end of guide groove Download PDFInfo
- Publication number
- CN110496893B CN110496893B CN201910650532.2A CN201910650532A CN110496893B CN 110496893 B CN110496893 B CN 110496893B CN 201910650532 A CN201910650532 A CN 201910650532A CN 110496893 B CN110496893 B CN 110496893B
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- cutter
- die
- blade
- guide groove
- chamber
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- 238000005520 cutting process Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a die structure of a guide groove one-blade beveling end, which comprises a lower die holder, a fixed seat, an upper cutter, an upper die holder and an upper pressing block, wherein the fixed seat is arranged on the lower die holder, the upper pressing block is arranged on the lower end face of the upper die holder, a placing cavity is formed in the fixed seat through an upper cutter sliding block, the upper cutter sliding block and a sliding cavity which moves back and forth along the vertical direction are arranged at the rear part of the placing cavity, a second lower cutter is arranged at the juncture of the placing cavity and the sliding cavity, a first lower cutter capable of floating up and down is arranged in the middle of the placing cavity, a first channel for the guide groove to pass through is formed between the first lower cutter and the placing cavity, and the upper pressing block faces the upper cutter sliding block. According to the invention, the guide groove punching can be completed at 1 station, the production takt is improved, and the inventory quantity of the die spare parts and the cost of the die spare parts are reduced; and the development and maintenance cost of the die is reduced.
Description
Technical Field
The invention relates to a punching die in the field of automobile part production research, in particular to a die structure of a guide groove one-blade beveling end.
Background
The guide groove guide rail semi-finished product is a rolling part with a certain section formed by a rolling line, then the rolling part is bent to a required radian by a rolling bending jig, and finally the product is cut off by a cutting die on a ternary cutting machine, so that the required semi-finished product is obtained.
In the rolled door frame, the welded guide groove on the B, C column is a narrow-mouth guide groove, the lower end of the guide groove is inclined for avoiding, and the upper end is inclined for assembling; taking the lower end of the guide groove as an example, if the end head is linear, a staggered cutting or eight-claw cutting structure can be adopted for one-step punching, but the end head is an inclined plane, and the traditional process is as follows: 1. firstly, the opening faces upwards, and the inclined plane of the bottom surface is punched out; 2. the opening faces downwards, and the two ends are cut laterally. I.e. die cutting needs to be done in 2 stations.
The traditional process has the following defects:
1) The stamping beat is not high, and only 240PCS/H can be achieved;
2) The number of spare parts of the die is large, and a station 6 of the shape 2 prepares a cutter;
3) The development cost of the mold is higher, and the maintenance cost is also higher.
Disclosure of Invention
The invention aims to provide a die structure of a guide groove one-blade beveling end, which can complete guide groove punching at 1 station and improve production beat.
The invention solves the technical problems as follows: the utility model provides a mould structure of one sword chamfer end of guide slot, includes the die holder, sets up fixing base, last cutter, upper die base on the die holder and sets up the last briquetting of terminal surface under the upper die base, be provided with on the fixing base and place the chamber, upward the cutter is installed at the fixing base through last cutter slider, and the rear portion of placing the chamber is provided with the sliding chamber that goes up cutter slider and last cutter along vertical direction reciprocating motion, places the chamber and sliding chamber's juncture and be provided with the cutter under the second, and the middle part of placing the chamber is provided with the first cutter that can float from top to bottom, first cutter and place and form the first passageway that supplies the guide slot to pass through between the chamber down, upward the briquetting is directed against last cutter slider.
As a further improvement of the above technical solution, the cutting edge of the first lower cutter is an edge of an inclined plane or a flat plane, and the cutting edge of the second lower cutter is an edge of an inclined plane or a flat plane.
As a further improvement of the technical scheme, the first lower cutter comprises a horizontal part and a vertical part, the vertical part passes through the bottom of the placing cavity and is arranged in the mounting hole of the fixing seat, a first spring is arranged between the vertical part and the lower die holder, and the intersection of the upper end face and the rear end face of the horizontal part forms the cutting edge of the first lower cutter.
As a further improvement of the technical scheme, the fixing seat comprises a limit screw, and the limit screw penetrates through a screw hole at the front side of the fixing seat and then extends into a limit groove of the vertical part.
As a further improvement of the above technical solution, the horizontal portion is provided with a tapered leading end, and the leading end is located at the front portion of the placement cavity.
As a further improvement of the technical scheme, the floating range of the first lower cutter is 2-3.5 mm.
As a further improvement of the technical scheme, two limiting blocks are arranged on the fixing seat, a limiting space is formed between the two limiting blocks, and the upper cutter sliding block is arranged in the limiting space.
As a further improvement of the technical scheme, two return springs are arranged between the upper cutter sliding block and the lower die holder.
The beneficial effects of the invention are as follows: according to the invention, through arranging the upper cutter, the second lower cutter and the floating first lower cutter, the opening of a guide groove product is downward, and the guide groove product is inserted into place along the placement cavity and the first lower cutter, so that the claw part of the guide groove is positioned between the first lower cutter and the placement cavity, the bottom wall of the guide groove is positioned above the first lower cutter, after the upper cutter descends, the guide groove is compressed after the first lower cutter descends, the bottom wall of the guide groove is cut off by the upper cutter and the first lower cutter, and the claw part of the guide groove is cut off by the upper cutter and the second lower cutter. According to the invention, the guide groove punching can be completed at 1 station, the production takt is improved, and the inventory quantity of the die spare parts and the cost of the die spare parts are reduced; and the development and maintenance cost of the die is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of the present invention with an upper die holder removed;
FIG. 2 is a schematic view of the installation of the upper cutter in the present invention;
FIG. 3 is a schematic view showing the installation of a first lower cutter and a second lower cutter according to the present invention;
FIG. 4 is a top view of the holder of the present invention;
FIG. 5 is a schematic view of the first lower cutter mounted to the holder in accordance with the present invention;
FIG. 6 is a schematic view of the installation of a first lower cutter according to the present invention;
FIG. 7 is a schematic view of the present invention prior to die cutting;
fig. 8 is a schematic view of the present invention when die cut.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.
Referring to fig. 1 to 8, a die structure of a guide groove one-blade beveling end comprises a lower die holder 1, a fixed seat 2 arranged on the lower die holder 1, an upper cutter 6, an upper die holder and an upper pressing block arranged on the lower end face of the upper die holder, wherein a placing cavity 7 is arranged on the fixed seat 2, the upper cutter 6 is arranged on the fixed seat 2 through an upper cutter sliding block 5, a sliding cavity 14 for enabling the upper cutter sliding block 5 and the upper cutter 6 to reciprocate along the vertical direction is arranged at the rear part of the placing cavity 7, a second lower cutter 13 is arranged at the juncture of the placing cavity 7 and the sliding cavity 14, a first lower cutter 11 capable of floating up and down is arranged in the middle of the placing cavity 7, a first channel for the guide groove 100 to pass through is formed between the first lower cutter 11 and the placing cavity 7, and the upper pressing block faces the upper cutter sliding block 5. The upper end face of the upper cutter slider 5 is provided with a blocking 4, after the upper die holder descends, the upper pressing block is in pressing contact with the blocking 4 to drive the upper cutter 6 to descend, the upper cutter 6 is in contact with the guide groove 100, as the first lower cutter 11 can float, after the upper cutter 6 is in contact with the guide groove 100, the first lower cutter 11 is driven to descend, after the first lower cutter 11 moves to the bottom, the guide groove 100 is pressed by the first lower cutter 11 and the second lower cutter 13, after the upper cutter 6 continues to descend, the upper cutter 6 and the first lower cutter 11 cut off the bottom wall of the guide groove 100, the upper cutter 6 and the second lower cutter 13 cut off the claw 101 of the guide groove 100, and after the upper die holder descends in place, the head cutting procedure is completed.
In order to make the guide groove 100 smoothly complete punching, the lower die holder 1 is provided with an auxiliary supporting frame 8, and the auxiliary supporting frame 8 is positioned on the front side surface of the lower die holder 1.
The cutting edge of the first lower cutter 11 is an inclined plane or a flat plane edge, and the cutting edge of the second lower cutter 13 is an inclined plane or a flat plane edge. Preferably, in the punching of the present guide slot 100, the edge of the first lower cutter 11 is the first edge 16, and the first edge 16 is the edge of the bevel. Specifically, the first blade 16 is the upper edge of the rear end face of the first lower cutter 11. The edge of the second lower cutter 13 is a second edge 15, and the second edge 15 is also an edge of the inclined plane. Specifically, the second blade 15 is the upper edge of the front end surface of the sliding chamber 14. Correspondingly, the upper cutting edge 60 of the upper cutter 6 is an inclined edge, and the upper cutting edge 60 is a lower edge of the front end face of the upper cutter.
The first lower cutter 11 comprises a horizontal part 17 and a vertical part 18, wherein the vertical part 18 passes through the bottom of the placing cavity 7 and is placed in a mounting hole of the fixing seat 2, a first spring 20 is arranged between the vertical part 18 and the lower die holder 1, and the intersection of the upper end surface and the rear end surface of the horizontal part 17 forms the cutting edge of the first lower cutter 11. The first blade 16 is located at the upper edge of the rear end face of the horizontal portion 17.
The device comprises a limit screw 9, wherein the limit screw 9 passes through a screw hole at the front side of the fixed seat 2 and then extends into a limit groove 19 of the vertical part 18. When the vertical part 18 moves in the vertical direction, the maximum upward value and the maximum downward value of the vertical part 18 are controlled by the limit screw 9 and the limit groove 19.
The horizontal portion 17 is provided with a tapered leading end 12, said leading end 12 being located in front of the placement cavity 7. The leading end 12 facilitates the insertion of the guide slot 100 between the first lower cutter 11 and the placement cavity 7 by an operator. The leading end 12 is tapered. The taper of the leading end 12 extends out of the placement cavity 7.
The floating range of the first lower cutter 11 is 2-3.5 mm. Preferably, the floating range of the first lower cutter 11 is 3mm. After the upper die holder descends, the upper pressing block is in press contact with the blocking 4, the upper cutter 6 is driven to descend by 1.5mm, the upper cutter 6 is in contact with the guide groove 100, the first spring 20 is a primary spring due to the fact that the first spring 20 is installed below the first lower cutter 11, the elastic force is small, after the upper cutter 6 is in contact with the guide groove 100, the first lower cutter 11 is driven to descend by 3mm, after the first lower cutter 11 moves to the bottom, the guide groove 100 is pressed by the first lower cutter 11 and the second lower cutter 13, after the upper cutter 6 continues to descend by 6mm, the bottom wall of the guide groove 100 is cut off by the upper cutter 6 and the first lower cutter 11, the claw 101 of the guide groove 100 is cut off by the upper cutter 6 and the second lower cutter 13, and the head cutting procedure is completed after the upper die holder descends to the right.
Two limiting blocks 3 are arranged on the fixing base 2, a limiting space is formed between the two limiting blocks 3, and the upper cutter sliding block 5 is arranged in the limiting space. Two return springs 10 are arranged between the upper cutter slider 5 and the lower die holder 1.
After the upper cutter 6 is punched, the upper die holder is reset upwards, and the upper cutter slider 5 is reset under the action of the two reset springs 10, so that the upper cutter 6 is reset upwards. The inner side of the limiting block 3 is provided with a bulge 30, two sides of the sliding block are provided with a groove body, a gap exists between the inner side of the bulge 30 and the outer side of the groove body, and the upper cutter 6 can be reset in an upward mode conveniently. When the upper cutter 6 is reset to the highest point in the upward direction, the position of the upper cutter 6 is limited after the lower end face of the bulge is contacted with the lower end face of the groove body, so that the upper cutter 6 is prevented from being separated from the fixed seat 2 too far under the action of the reset spring 10.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (8)
1. A die structure of a guide slot one-knife beveling end, which is characterized in that: including the die holder, set up fixing base, last cutter, upper die base and the last briquetting of setting up the terminal surface under the upper die base on the fixing base, upward be provided with on the cutter and place the chamber through last cutter slider and install at the fixing base, place the rear portion in chamber and be provided with on cutter slider and last cutter along vertical direction reciprocating motion's sliding chamber, place the chamber and slide the juncture in chamber and be provided with the second and cut down the cutter, place the middle part in chamber and be provided with the first cutter that can float from top to bottom, first cutter and place and form the first passageway that supplies the guide slot to pass through between the chamber down, upward the briquetting is facing to last cutter slider, the up end of going up the cutter slider is provided with one and beats the piece.
2. The die structure of a channel one-blade miter joint of claim 1, wherein: the cutting edge of the first lower cutter is an edge of an inclined plane or a flat plane, and the cutting edge of the second lower cutter is an edge of an inclined plane or a flat plane.
3. The die structure of a channel one-blade miter joint of claim 1, wherein: the first lower cutter comprises a horizontal part and a vertical part, wherein the vertical part passes through the bottom of the placing cavity and is arranged in the mounting hole of the fixing seat, a first spring is arranged between the vertical part and the lower die holder, and the intersection of the upper end surface and the rear end surface of the horizontal part forms the cutting edge of the first lower cutter.
4. The die structure of a channel one-blade miter joint of claim 2, wherein: the die structure comprises a limit screw, and the limit screw penetrates through a screw hole at the front side of the fixing seat and then extends into a limit groove of the vertical part.
5. A die structure for a channel one-blade miter joint as set forth in claim 3, wherein: the horizontal part is provided with a conical guide end, and the guide end is positioned at the front part of the placing cavity.
6. A die structure for a channel one-blade miter joint as set forth in claim 1 or 3, wherein: the floating range of the first lower cutter is 2 to 3.5mm.
7. The die structure of a channel one-blade miter joint of claim 1, wherein: two limiting blocks are arranged on the fixing seat, a limiting space is formed between the two limiting blocks, and the upper cutter sliding block is arranged in the limiting space.
8. The die structure of a channel one-blade miter joint of claim 1 or 7, wherein: two return springs are arranged between the upper cutter slider and the lower die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650532.2A CN110496893B (en) | 2019-07-18 | 2019-07-18 | Mould structure of one-knife beveling end of guide groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650532.2A CN110496893B (en) | 2019-07-18 | 2019-07-18 | Mould structure of one-knife beveling end of guide groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110496893A CN110496893A (en) | 2019-11-26 |
| CN110496893B true CN110496893B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910650532.2A Active CN110496893B (en) | 2019-07-18 | 2019-07-18 | Mould structure of one-knife beveling end of guide groove |
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| Country | Link |
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| CN (1) | CN110496893B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009072863A (en) * | 2007-09-20 | 2009-04-09 | Jfe Steel Kk | Down-cut type crop shear and upper blade material |
| CN201558899U (en) * | 2009-11-13 | 2010-08-25 | 青岛帅潮实业有限公司 | Adjustable steel plate spring angle cutting die |
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| KR20140126437A (en) * | 2013-04-23 | 2014-10-31 | 박형준 | Channel cutting mold |
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| CN207057444U (en) * | 2017-08-02 | 2018-03-02 | 广州敏实汽车零部件有限公司 | A kind of guide groove molding press cutting mechanism |
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| CN207756692U (en) * | 2018-01-23 | 2018-08-24 | 东莞市安源精密机械有限公司 | A kind of high life easily replaces the lithium battery pole slice die cutting die of mold core |
| CN207839736U (en) * | 2017-12-26 | 2018-09-11 | 广州敏惠汽车零部件有限公司 | A kind of upper item hangs notch mould structure without the cavity plate edge of a knife |
| CN208261626U (en) * | 2018-06-01 | 2018-12-21 | 宁海县振业汽车部件有限公司 | Skylight left and right rail jet-bedding mouth mold |
| CN209109932U (en) * | 2018-09-10 | 2019-07-16 | 广州敏实汽车零部件有限公司 | A kind of mould structure that upper fixed length is punched |
| CN210450520U (en) * | 2019-07-18 | 2020-05-05 | 广州敏实汽车零部件有限公司 | Die structure of guide groove and knife beveling end |
-
2019
- 2019-07-18 CN CN201910650532.2A patent/CN110496893B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009072863A (en) * | 2007-09-20 | 2009-04-09 | Jfe Steel Kk | Down-cut type crop shear and upper blade material |
| CN201558899U (en) * | 2009-11-13 | 2010-08-25 | 青岛帅潮实业有限公司 | Adjustable steel plate spring angle cutting die |
| KR20140126437A (en) * | 2013-04-23 | 2014-10-31 | 박형준 | Channel cutting mold |
| CN103817198A (en) * | 2014-01-18 | 2014-05-28 | 宁波敏实汽车零部件技术研发有限公司 | Die-cutting device special for groove strips such as guide grooves in car door and die-cutting blade of device |
| CN104942126A (en) * | 2015-06-08 | 2015-09-30 | 广州敏实汽车零部件有限公司 | Punching die for door and window glass guide groove |
| CN205926748U (en) * | 2016-07-15 | 2017-02-08 | 宁波裕民机械工业有限公司 | Die -cut mould of guide rail |
| CN207057444U (en) * | 2017-08-02 | 2018-03-02 | 广州敏实汽车零部件有限公司 | A kind of guide groove molding press cutting mechanism |
| CN207057443U (en) * | 2017-08-02 | 2018-03-02 | 广州敏实汽车零部件有限公司 | The mould structure that a kind of guide groove bends |
| CN207839736U (en) * | 2017-12-26 | 2018-09-11 | 广州敏惠汽车零部件有限公司 | A kind of upper item hangs notch mould structure without the cavity plate edge of a knife |
| CN207756692U (en) * | 2018-01-23 | 2018-08-24 | 东莞市安源精密机械有限公司 | A kind of high life easily replaces the lithium battery pole slice die cutting die of mold core |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110496893A (en) | 2019-11-26 |
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