CN113210492A - High-precision product blanking and conveying die - Google Patents
High-precision product blanking and conveying die Download PDFInfo
- Publication number
- CN113210492A CN113210492A CN202110573818.2A CN202110573818A CN113210492A CN 113210492 A CN113210492 A CN 113210492A CN 202110573818 A CN202110573818 A CN 202110573818A CN 113210492 A CN113210492 A CN 113210492A
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- plate
- die
- blanking
- cavity
- concave
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- 230000007306 turnover Effects 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000002146 bilateral effect Effects 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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
-
- 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
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a high-precision product blanking and conveying die, wherein a boss (6) is fixedly arranged at the top of a lower stripping plate (19), an inner stripping plate (7) is fixedly arranged on the top surface of the boss (6), the top surface of the inner stripping plate (7) extends above a concave die plate (3), the top end of a lower spring (8) is fixedly arranged on the bottom surface of the lower stripping plate (19), under the elastic force action of the lower spring (8), the top surface of the boss (6) is pressed against the bottom surface of the concave die plate (3), a turnover plate (10) is rotatably arranged in a closed cavity (4) and positioned at the left side and the right side of the lower stripping plate (19) through a rotating shaft (9), the turnover plate (10) is horizontally arranged and supported on the top surface of the lower stripping plate (19), and two turnover plates (10) are respectively arranged under two guide grooves (5). The invention has the beneficial effects that: compact structure, can neatly and regularly carry out the product, improve blanking precision, easy operation.
Description
Technical Field
The invention relates to the technical field of blanking die structures, in particular to a blanking and conveying die for high-precision products.
Background
The blanking die is used for punching products on a strip, the first of the existing blanking modes is a direct blanking mode, as shown in fig. 1, namely, the products on the strip are firstly suspended right above a material leakage hole of a female die, and then the products are punched by a punch, so that the required products are obtained; although the product can be produced by the blanking mode, the flatness of the product is difficult to ensure because the lower part of the product is in a suspended state. The first blanking mode is that the product pushes back the blanking hole and then is punched out downwards, but the product often drops when pushed back, and the die is exploded. The third type adopts the whole blanking mode of upper and lower centre gripping as shown in figure 2, namely, the spring type liftout pin is installed in the upper stripper plate, the liftout pin is given by the elastic force of the spring, the liftout pin exerts pressure on the top surface of the product, the top surface of the product is pressed, the pressing marks are generated, the flatness of the product is unfavorable, and the significance of the centre gripping blanking is lost.
For the product shown in fig. 3, the product is of a non-revolving body structure, the product is required to be conveyed out from the die according to one direction in production as shown in fig. 4, and the products punched by the above three blanking modes are randomly stacked in the collecting basket, so that the production requirement cannot be met. Therefore, a die which can regularly and regularly convey out products, improves blanking precision and is simple to operate is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-precision product blanking and conveying die which is compact in structure, can convey products regularly and tidily, improves blanking precision and is simple to operate.
The purpose of the invention is realized by the following technical scheme: a blanking and conveying die for high-precision products comprises an upper die and a lower die, wherein the lower die comprises a base, a lower backing plate and a concave die plate which are sequentially and fixedly integrated from bottom to top, a closed cavity is arranged in the lower backing plate, a concave cavity communicated with the closed cavity is arranged in the concave die plate, guide grooves communicated with the closed cavity are arranged on two sides of the concave cavity on the concave die plate, a lower stripper plate is arranged in the closed cavity, a boss is fixedly arranged at the top of the lower stripper plate, an inner stripper plate is fixedly arranged on the top surface of the boss and slidably arranged in the concave cavity, the top surface of the inner stripper plate extends above the concave die plate, a plurality of lower springs are arranged in the base, the top ends of the lower springs are fixedly arranged on the bottom surface of the lower stripper plate, the top surface of the boss is abutted against the bottom surface of the concave die plate under the elastic action of the lower springs, and turnover plates are rotatably arranged on the left side and the right side of the lower stripper plate in the closed cavity through a rotating shaft, the two turnover plates are respectively arranged right below the two guide grooves;
the upper die comprises an upper support, a fixed plate fixedly arranged at the bottom of the upper support and an upper stripping plate arranged below the fixed plate, a plurality of upper springs are connected between the upper stripping plate and the upper support, a punch is fixedly arranged at the bottom of the upper support, the punch sequentially penetrates through the fixed plate and the upper stripping plate and extends into the upper stripping plate, two striking rods positioned at two sides of the punch are further fixedly arranged at the bottom of the upper support, the two striking rods sequentially penetrate through the fixed plate and the upper stripping plate and extend into the guide grooves, and a gap is formed between the fixed plate and the upper stripping plate;
air inlet channel and product conveying passageway have been seted up on the lateral wall about the cavity board respectively, air inlet channel and product conveying passageway all communicate with the cavity, and air inlet channel sets up with product conveying passageway is mutually opposite.
The fixing plate is provided with a through hole, and the upper spring penetrates through the through hole.
The two striking rods are arranged in bilateral symmetry with respect to the punch.
The bottom surfaces of the two striking rods are semicircular.
The two guide grooves are arranged in bilateral symmetry about the concave cavity.
The two turnover plates are arranged in bilateral symmetry.
The turnover plate is vertically arranged.
The invention has the following advantages: the automatic discharging device is compact in structure, capable of regularly and regularly conveying products, capable of improving discharging precision and simple in operation.
Drawings
FIG. 1 is a schematic diagram of direct blanking;
FIG. 2 is a schematic view of an integral blanking process using up-down clamping;
FIG. 3 is a schematic structural view of a product;
FIG. 4 is a schematic illustration of the requirement for product delivery from within the blanking die;
FIG. 5 is a schematic view illustrating a mold-open state according to the present invention;
FIG. 6 is a schematic diagram of the present invention in a critical closed mold state;
FIG. 7 is a schematic view of a die cut product;
FIG. 8 is a schematic view of the present invention in a closed mold state;
FIG. 9 is a schematic view of the movement of the flipping panel;
FIG. 10 is a schematic view of the opening of the product transport path;
in the figure, 1-base, 2-lower backing plate, 3-concave template, 4-closed cavity, 5-guide groove, 6-boss, 7-inner stripper, 8-lower spring, 9-rotating shaft, 10-turnover plate, 11-upper support, 12-fixing plate, 13-upper stripper, 14-upper spring, 15-punch, 16-knock-off rod, 17-air inlet channel, 18-product conveying channel, 19-lower stripper, 20-product and 21-strip material.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 5-10, a blanking and conveying mold for high-precision products comprises an upper mold and a lower mold, wherein the lower mold comprises a base 1, a lower backing plate 2 and a cavity plate 3 which are sequentially and integrally fixed from bottom to top, a closed cavity 4 is arranged in the lower backing plate 2, a concave cavity communicated with the closed cavity 4 is arranged in the cavity plate 3, guide grooves 5 communicated with the closed cavity 4 are arranged on two sides of the concave cavity on the cavity plate 3, the two guide grooves 5 are arranged in bilateral symmetry with respect to the concave cavity, a lower stripper plate 19 is arranged in the closed cavity 4, a boss 6 is fixedly arranged at the top of the lower stripper plate 19, an inner stripper plate 7 is fixedly arranged on the top surface of the boss 6, the inner stripper plate 7 is slidably mounted in the concave cavity, the top surface of the inner stripper plate 7 extends above the cavity plate 3, a plurality of lower springs 8 are arranged in the base 1, the top ends of the lower springs 8 are fixedly arranged on the bottom surface of the lower stripper plate 19, under the action of the elastic force of the lower springs 8, the top surface of boss 6 supports and presses on the basal surface of cavity die plate 3, the side all installs returning face plate 10 through pivot 9 rotation about the airtight chamber 4 just lies in down taking off board 19, and two returning face plate 10 bilateral symmetry set up, and the vertical setting of returning face plate 10, and returning face plate 10 level sets up and support and take off under on the top surface of board 19, and two returning face plates 10 set up respectively under two guide ways 5.
The upper die comprises an upper support 11, a fixing plate 12 fixedly arranged at the bottom of the upper support 11, and an upper stripping plate 13 arranged below the fixing plate 12, wherein a plurality of upper springs 14 are connected between the upper stripping plate 13 and the upper support 11, a punch 15 is fixedly arranged at the bottom of the upper support 11, the punch 15 sequentially penetrates through the fixing plate 12, the upper stripping plate 13 and stretches into the upper stripping plate 13, two striking rods 16 positioned at two sides of the punch 15 are fixedly arranged at the bottom of the upper support 11, the two striking rods 16 sequentially penetrate through the fixing plate 12 and the upper stripping plate 13 and stretch into the guide groove 5, and the bottom surfaces of the two striking rods 16 are semicircular. A gap is arranged between the fixed plate 12 and the upper stripper plate 13.
The working process of the invention is as follows:
s1, connecting the upper support to the output end of the punch;
s2, conveying the belt material 21 with the products 20 between the upper stripper plate 13 and the cavity plate 3 through a belt material conveying mechanism, and positioning the products to be blanked on the top surface of the inner stripper plate 7;
s3, the punch drives the upper support 11 to move downwards, the upper support 11 drives the fixing plate 12, the upper stripper plate 13, the punch 15 and the striking rod 16 to synchronously move downwards, the punch 15 presses the product 20 on the top surface of the inner stripper plate 7, the upper stripper plate 13 presses the belt material 21 between the cavity plate 3 and the upper stripper plate 13 along with the continuous downward movement of the upper support 11 as shown in figure 6, and at the moment, the upper stripper plate 13 is fixed;
s4, as the upper support 11 continues to move downwards, the upper support 11 moves downwards relative to the stationary upper stripper plate 13, the upper support 11 drives the striking rod 16 and the punch 15 to move downwards for a certain distance, the punch 15 presses the product 20 downwards, the product 20 is clamped between the punch 15 and the inner stripper plate 7 to move downwards, after the upper support 11 presses on the fixing plate 12, the product 20 is completely cut from the belt material 21 as shown in fig. 7, and simultaneously the bottom surface of the striking rod 16 just contacts the top surface of the turnover plate 10 as shown in fig. 7; the product 20 is clamped and punched downwards by the punch 15 and the inner stripper plate 7, so that the punching bending moment is reduced, and the flatness of the product is ensured by the upward and downward clamping forces;
s5, with the continuous downward movement of the upper support 11, the upper support 11 continuously moves downward relative to the static upper stripper plate 13, the upper support 11 drives the knock-out rod 16 and the punch 15 to continuously move downward by the height H, the knock-out rod 16 drives the turnover plate 10 to turn over downward around the rotating shaft 9, the turnover plate 10 drives the lower stripper plate 19 to move downward by the height H + m, the size of m is 0.4-0.5 mm, the lower stripper plate 19 drives the inner stripper plate 7 to move downward by the height H + m, and a space with a gap larger than the thickness of a product 20 is formed between the bottom surface of the punch 15 and the top surface of the inner stripper plate 7 as shown in figures 8-9, in this state, the air inlet channel 17, the product conveying channel 18 and the blanked product 20 are in the same straight line, and air pressure gas is blown into the air inlet channel 17, so that the product 20 can be blown into the product conveying channel 18, and the product is conveyed to the outside from the inside of the die under the air pressure; if the space is not formed, the product is always clamped between the punch 15 and the inner stripper plate 7, and even if the action of air pressure gas is available, the product cannot be blown into the product conveying channel 18;
s6, the upper support 11 moves upwards, the upper support 11 drives the striking rod 16, the fixing plate 12, the upper stripping plate 13 and the punch 15 to move upwards, and after all the components are reset, the operations of the steps S2-S5 are repeated, so that the product can be conveyed out of the die in a neat direction continuously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high accuracy product blanking and transport mould which characterized in that: the die comprises an upper die and a lower die, wherein the lower die comprises a base (1), a lower cushion plate (2) and a concave die plate (3) which are sequentially and fixedly integrated from bottom to top, a closed cavity (4) is arranged in the lower cushion plate (2), a concave cavity communicated with the closed cavity (4) is arranged in the concave die plate (3), guide grooves (5) communicated with the closed cavity (4) are arranged on two sides of the concave cavity on the concave die plate (3), a lower stripper plate (19) is arranged in the closed cavity (4), a boss (6) is fixedly arranged at the top of the lower stripper plate (19), an inner stripper plate (7) is fixedly arranged on the top surface of the boss (6), the inner stripper plate (7) is slidably arranged in the concave cavity, the top surface of the inner stripper plate (7) extends above the concave die plate (3), a plurality of lower springs (8) are arranged in the base (1), the top ends of the lower springs (8) are fixedly arranged on the bottom surface of the lower stripper plate (19), and under the elastic action of the lower springs (8), the top surface of the boss (6) is pressed against the bottom surface of the concave template (3), turnover plates (10) are rotatably mounted in the closed cavity (4) and positioned on the left side and the right side of the lower stripping plate (19) through rotating shafts (9), the turnover plates (10) are horizontally arranged and supported on the top surface of the lower stripping plate (19), and the two turnover plates (10) are respectively arranged under the two guide grooves (5);
the upper die comprises an upper support (11), a fixing plate (12) fixedly arranged at the bottom of the upper support (11) and an upper stripping plate (13) arranged below the fixing plate (12), wherein a plurality of upper springs (14) are connected between the upper stripping plate (13) and the upper support (11), a punch (15) is fixedly arranged at the bottom of the upper support (11), the punch (15) sequentially penetrates through the fixing plate (12) and the upper stripping plate (13) and extends into the upper stripping plate (13), two striking rods (16) positioned at two sides of the punch (15) are fixedly arranged at the bottom of the upper support (11), the two striking rods (16) sequentially penetrate through the fixing plate (12) and the upper stripping plate (13) and extend into the guide groove (5), and a gap is formed between the fixing plate (12) and the upper stripping plate (13);
air inlet channel (17) and product conveying channel (18) have been seted up on the lateral wall about cavity template (3) respectively, air inlet channel (17) and product conveying channel (18) all communicate with the cavity, and air inlet channel (17) and product conveying channel (18) set up relatively.
2. The die for blanking and conveying high-precision products as claimed in claim 1, wherein: the fixing plate (12) is provided with a through hole, and the upper spring (14) penetrates through the through hole.
3. The die for blanking and conveying high-precision products as claimed in claim 1, wherein: the two striking rods (16) are arranged in bilateral symmetry with respect to the punch (15).
4. The die for blanking and conveying high-precision products as claimed in claim 1, wherein: the bottom surfaces of the two striking rods (16) are semicircular.
5. The die for blanking and conveying high-precision products as claimed in claim 1, wherein: the two guide grooves (5) are arranged symmetrically left and right relative to the concave cavity.
6. The die for blanking and conveying high-precision products as claimed in claim 1, wherein: the two turnover plates (10) are arranged in bilateral symmetry.
7. The die for blanking and conveying high-precision products as claimed in claim 1, wherein: the turnover plate (10) is vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573818.2A CN113210492B (en) | 2021-05-25 | 2021-05-25 | High-precision product blanking and conveying die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573818.2A CN113210492B (en) | 2021-05-25 | 2021-05-25 | High-precision product blanking and conveying die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113210492A true CN113210492A (en) | 2021-08-06 |
| CN113210492B CN113210492B (en) | 2024-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110573818.2A Active CN113210492B (en) | 2021-05-25 | 2021-05-25 | High-precision product blanking and conveying die |
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| Country | Link |
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| CN (1) | CN113210492B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434555A (en) * | 2022-04-02 | 2022-05-06 | 成都宏明双新科技股份有限公司 | High-precision blanking device and method for plastic-embedded part product |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL43631A0 (en) * | 1973-01-15 | 1974-03-14 | Dayton Progress Corp | Die apparatus for punch press and like equipment,including spring biased stripper plates |
| EP0628364A1 (en) * | 1993-06-07 | 1994-12-14 | Amada Metrecs Company, Limited | Punching tool |
| JPH11267770A (en) * | 1998-03-20 | 1999-10-05 | Honda Motor Co Ltd | Fine blanking method and its device |
| JP3153637U (en) * | 2008-07-04 | 2009-09-10 | ボルディニョン シルヴァノ | Improved punch stripper device |
| CN203830511U (en) * | 2014-04-18 | 2014-09-17 | 苏州铭峰精密机械有限公司 | Small-gap U-shaped end machining progressive die |
| CN204396593U (en) * | 2014-12-13 | 2015-06-17 | 重庆天业模具冲压制造有限公司 | Elasticity discharging blanking die |
| CN205362369U (en) * | 2016-01-17 | 2016-07-06 | 亿和精密金属制品(深圳)有限公司 | Anti-cutting edge of a knife or a sword cut-out press that criticizes |
| CN205519217U (en) * | 2016-04-13 | 2016-08-31 | 上海宏金设备工程有限公司 | Stamping device |
| CN211191598U (en) * | 2019-12-16 | 2020-08-07 | 烟台鑫洋电子有限公司 | Special blanking die structure |
| CN212168696U (en) * | 2019-12-25 | 2020-12-18 | 上海日晗精密机械股份有限公司 | Upward blanking mechanism suitable for swing arm feeder of transfer die |
| CN212397780U (en) * | 2019-12-31 | 2021-01-26 | 伟业精密科技（惠州）有限公司 | Stamping feeding mechanism |
| CN212442774U (en) * | 2020-03-26 | 2021-02-02 | 东莞市博飞特模具有限公司 | Automatic blanking mechanism for hardware stamping die |
| CN215143816U (en) * | 2021-05-25 | 2021-12-14 | 成都宏明双新科技股份有限公司 | High-precision product blanking and conveying die |
-
2021
- 2021-05-25 CN CN202110573818.2A patent/CN113210492B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL43631A0 (en) * | 1973-01-15 | 1974-03-14 | Dayton Progress Corp | Die apparatus for punch press and like equipment,including spring biased stripper plates |
| US3848496A (en) * | 1973-01-15 | 1974-11-19 | Dayton Progress Corp | Die and spring assemblies having particular application to stripper plates |
| EP0628364A1 (en) * | 1993-06-07 | 1994-12-14 | Amada Metrecs Company, Limited | Punching tool |
| JPH11267770A (en) * | 1998-03-20 | 1999-10-05 | Honda Motor Co Ltd | Fine blanking method and its device |
| JP3153637U (en) * | 2008-07-04 | 2009-09-10 | ボルディニョン シルヴァノ | Improved punch stripper device |
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| CN204396593U (en) * | 2014-12-13 | 2015-06-17 | 重庆天业模具冲压制造有限公司 | Elasticity discharging blanking die |
| CN205362369U (en) * | 2016-01-17 | 2016-07-06 | 亿和精密金属制品(深圳)有限公司 | Anti-cutting edge of a knife or a sword cut-out press that criticizes |
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| CN212168696U (en) * | 2019-12-25 | 2020-12-18 | 上海日晗精密机械股份有限公司 | Upward blanking mechanism suitable for swing arm feeder of transfer die |
| CN212397780U (en) * | 2019-12-31 | 2021-01-26 | 伟业精密科技（惠州）有限公司 | Stamping feeding mechanism |
| CN212442774U (en) * | 2020-03-26 | 2021-02-02 | 东莞市博飞特模具有限公司 | Automatic blanking mechanism for hardware stamping die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434555A (en) * | 2022-04-02 | 2022-05-06 | 成都宏明双新科技股份有限公司 | High-precision blanking device and method for plastic-embedded part product |
| CN114434555B (en) * | 2022-04-02 | 2022-06-21 | 成都宏明双新科技股份有限公司 | High-precision blanking device and method for plastic-embedded part product |
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| Publication number | Publication date |
|---|---|
| CN113210492B (en) | 2024-08-02 |
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