CN110449504B - Machining die and machining method for side groove of shallow-bottom small-diameter thin-wall stretching piece - Google Patents
Machining die and machining method for side groove of shallow-bottom small-diameter thin-wall stretching piece Download PDFInfo
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- CN110449504B CN110449504B CN201910850839.7A CN201910850839A CN110449504B CN 110449504 B CN110449504 B CN 110449504B CN 201910850839 A CN201910850839 A CN 201910850839A CN 110449504 B CN110449504 B CN 110449504B
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- die
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- sliding block
- groove
- thin
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- 238000003754 machining Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 9
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 210000003141 lower extremity Anatomy 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
Abstract
The invention discloses a shallow bottom small-diameter thin-wall stretching piece side groove processing die which comprises an upper die frame (1) and a lower die frame (2), wherein an upper mounting plate (3) is fixedly arranged on a bottom plate of the upper die frame (1), a left guide rail (4) and a right guide rail (5) are fixedly arranged at the bottom of the upper mounting plate (3), an arc-shaped part (6) and a left arc-shaped groove (7) are arranged on the right side of the left guide rail (4) from top to bottom, the lower edge of the left arc-shaped groove (7) extends to the right side of the arc-shaped part (6), a right arc-shaped groove (8) is arranged on the left side of the right guide rail (5), the lower edge of the right arc-shaped groove (8) extends to the left side of the upper edge of the right arc-shaped groove, the lower edge of the right arc-shaped groove (8) is oppositely arranged with the lower edge of the left arc-shaped groove (7), and a sliding block (9) is arranged between the left guide rail (4) and the right guide rail (5). The beneficial effects of the invention are as follows: compact structure, improved stamping efficiency, reduced labor intensity, and simple operation.
Description
Technical Field
The invention relates to the technical field of punching of two sides of a thin-wall pipe, in particular to a processing die and a processing method for a side groove of a shallow-bottom small-diameter thin-wall stretching piece.
Background
Two grooves are punched on the left side wall and the right side wall of the thin-wall pipe with the concave cavity and are positioned at the top of the thin-wall pipe, most of the existing processes are mainly completed by adopting a single-process die, but most of the existing single-process die can only punch one groove at a time, and the defect of limited application range exists. In order to solve the problems, people also adopt a mechanical cutting mode to process the grooves, but the cut knife edge is manually polished after cutting, namely, each time the cut knife edge is cut to form a groove, the groove is manually polished, so that the production process is definitely increased, the labor intensity of workers is also increased, and the production efficiency is further reduced. Therefore, there is a need for a progressive die that improves stamping efficiency and reduces labor intensity.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a side groove processing die and a processing method for a shallow-bottom small-diameter thin-wall stretching piece, which have the advantages of compact structure, improved stamping efficiency, reduced labor intensity of workers and simplicity in operation.
The aim of the invention is achieved by the following technical scheme: the utility model provides a shallow bottom path thin wall extension piece side groove mold processing, it includes die carrier and lower die carrier, the bottom plate of going up the die carrier has set firmly the mounting panel, the bottom of going up the mounting panel has set firmly left guide rail and right guide rail, the right side of left guide rail and be provided with arc portion and left arc groove from top to bottom, the lower limb of left arc groove extends in the right side of arc portion, the left side of right guide rail is provided with right arc groove, the lower limb of right arc groove extends in the left side of its upper limb, and the lower limb of right arc groove sets up opposite with the lower limb of left arc groove, be provided with the slider between left guide rail and the right guide rail, slider left and right sides is provided with left arch and right arch respectively, left arch supports in the top of arc portion, right arch and the left surface contact of right guide rail, the bottom of slider is provided with the terrace die, all has set firmly along the cylindricality cutting edge of its axial setting on the left and right side cylinder of terrace die, set up spring mounting hole A in spring mounting hole A installs guide post A in the inner slide, guide post A, the lower tip of guide post A just runs through and sets firmly in spring mounting hole A on one end of guide post A, spring mounting hole A sets firmly in the bottom A;
the top of lower die carrier has set firmly down the mounting panel, and the top of lower mounting panel has set firmly the die that is located under the terrace die, and horizontal feed slot has all been seted up on the side of controlling and being located its top surface of die, and the through-hole has been seted up at the middle part of die, and slidable mounting has down the roof in the through-hole, set up spring mounting hole B in the lower die carrier, slidable mounting has guide post B in the spring mounting hole B, and the top of guide post B runs through the mounting panel and sets firmly in the bottom of roof down, and the cover has spring B on the guide post B, and spring B's one end sets firmly in spring mounting hole B's bottom, and spring B's the other end is fixed firmly on the guide post B.
And a step hole for communicating the through hole with the spring mounting hole B is formed in the lower mounting plate.
The female die is connected with the lower mounting plate through screws.
Two spring mounting holes A are formed in the upper die frame, and guide posts A are slidably mounted in the two spring mounting holes A.
A connecting column is fixedly arranged between the bottom of the guide column A and the sliding block.
The method for processing the side groove of the shallow bottom small-diameter thin-wall stretching piece by the die comprises the following steps:
s1, when an opening of a thin-wall pipe is upwards transferred to the right upper part of a female die, a die carrier is downwards pressed, an upper die carrier drives a sliding block to downwards move, the sliding block drives a male die to downwards move from top to bottom, the male die firstly enters the thin-wall pipe to push the thin-wall pipe and the female die to downwards move together, when the bottom surface of the thin-wall pipe is contacted with a lower top plate, the lower top plate drives a guide post B to compress a spring B, and when the lower top plate can not downwards move any more, a forming part of the thin-wall pipe is fixed between two transverse feed grooves of the female die;
s2, the upper die carrier continues to move downwards, the lower top plate pushes the sliding block upwards, the left bulge of the sliding block is blocked by the arc-shaped part of the left arc-shaped groove, the sliding block moves rightwards for a certain distance, the cylindrical cutting edge positioned on the right side moves rightwards along the right-side transverse feed groove, and when the cylindrical cutting edge passes through the right-side transverse feed groove, the right-side material of the thin-wall tube is cut off, so that a first side wall groove is formed;
s3, along with the upward movement of the sliding block, the right bulge of the sliding block is blocked by the upper edge of the right arc-shaped groove, the sliding block moves leftwards for a certain distance, the cylindrical cutting edge positioned at the left side moves leftwards along the left transverse feed groove, the cylindrical cutting edge cuts off the material at the left side of the thin-wall pipe, so that a second groove is formed, and finally two opposite grooves are processed on the thin-wall pipe.
The invention has the following advantages: the invention has compact structure, improves the stamping efficiency, lightens the labor intensity of workers and has simple operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention;
fig. 3 is a top view of the female die.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in figures 1 and 3, a shallow bottom small diameter thin wall extension piece side groove mold processing comprises an upper mold frame 1 and a lower mold frame 2, an upper mounting plate 3 is fixedly arranged on a bottom plate of the upper mold frame 1, a left guide rail 4 and a right guide rail 5 are fixedly arranged at the bottom of the upper mounting plate 3, an arc-shaped part 6 and a left arc-shaped groove 7 are arranged on the right side of the left guide rail 4 from top to bottom, the lower edge of the left arc-shaped groove 7 extends to the right side of the arc-shaped part 6, a right arc-shaped groove 8 is arranged on the left side of the right guide rail 5, the lower edge of the right arc-shaped groove 8 extends to the left side of the upper edge of the lower edge, the lower edge of the right arc-shaped groove 8 is opposite to the lower edge of the left arc-shaped groove 7, a sliding block 9 is arranged between the left guide rail 4 and the right guide rail 5, a left protrusion 10 and a right protrusion 11 are respectively arranged on the left side and right side of the sliding block 9, a male die 12 is arranged at the bottom of the left side of the sliding block 9, a blade edge which is fixedly arranged on the left side cylindrical surface of the male die 12 along the axial direction, a guide post 13A is fixedly arranged in the upper guide post 13A, a guide post 13A is fixedly arranged in the upper end of the upper guide post 13A, and a guide post 13A is fixedly arranged at one end of the upper guide post 13A, and a guide post 13A is fixedly arranged in the upper end of the upper end 13A, and one end 13A is fixedly arranged in the upper end 13A, and one end 13A 13.
The top of lower die carrier 2 has set firmly down mounting panel 16, and the top of lower mounting panel 16 has set firmly die 17 that is located under the terrace die 12, and horizontal feed slot 18 has all been seted up on the left and right sides of die 17 and be located its top surface, and the through-hole has been seted up at the middle part of die 17, and slidable mounting has down roof 19 in the through-hole, set up spring mounting hole B20 in the lower die carrier 2, slidable mounting has guide post B21 in spring mounting hole B20, and the top of guide post B21 runs through mounting panel 16 and sets firmly in the bottom of roof 19 down, and the cover has spring B22 on the guide post B21, and the one end of spring B22 sets firmly in the bottom of spring mounting hole B20, and the other end of spring B22 sets firmly on the guide post B21.
The lower mounting plate 16 is internally provided with a step hole 23 communicated with the through hole and the spring mounting hole B20, and the female die 17 is connected with the lower mounting plate 16 through screws. Two spring mounting holes A13 are formed in the upper die frame 1, guide columns A14 are slidably mounted in the two spring mounting holes A13, and connecting columns 24 are fixedly arranged between the bottoms of the guide columns A14 and the sliding blocks 9.
The method for processing the side groove of the shallow bottom small-diameter thin-wall stretching piece by the die comprises the following steps:
s1, after an opening of a thin-wall pipe 25 is upwards transferred to the right above a female die 17, a die carrier 1 is downwards pressed, the upper die carrier 1 drives a sliding block 9 to move downwards, the sliding block 9 drives a male die 12 to move downwards from top to bottom, the male die 12 firstly enters the thin-wall pipe 25 to push the thin-wall pipe 25 and the female die 17 to move downwards together, when the bottom surface of the thin-wall pipe 25 is contacted with a lower top plate 19 and then continues to move downwards, the lower top plate 19 drives a guide post B21 to compress a spring B22, and when the lower top plate 19 can not move downwards any more, a forming part of the thin-wall pipe 25 is fixed between two transverse feed grooves 18 of the female die 17;
s2, the upper die carrier 1 continues to move downwards as shown in FIG. 2, the lower top plate 19 pushes the sliding block 9 upwards, the left bulge 10 of the sliding block 9 is blocked by the arc-shaped part 6 of the left arc-shaped groove 7, the sliding block 9 moves rightwards for a certain distance, the cylindrical cutting edge positioned on the right moves rightwards along the right transverse feed groove 18, and when the cylindrical cutting edge passes through the right transverse feed groove 18, the right material of the thin-wall tube 25 is cut off, so that a first side wall groove is formed;
s3, along with the upward movement of the sliding block 9, the right bulge 11 of the sliding block 9 is blocked by the upper edge of the right arc-shaped groove 8, the sliding block 9 moves leftwards for a certain distance, the cylindrical cutting edge on the left side moves leftwards along the left transverse feed groove 18, the cylindrical cutting edge cuts off the material on the left side of the thin-wall tube 25, so that a second groove is formed, finally, two opposite grooves are machined on the thin-wall tube, no burrs are generated through stamping, the machining quality is improved, in addition, the machining of the two grooves can be finished through one-time stamping, the machining efficiency is greatly improved, and the labor intensity of workers is further reduced.
Claims (6)
1. A shallow bottom small diameter thin wall stretching piece side groove mold processing, its characterized in that: the die carrier comprises an upper die carrier (1) and a lower die carrier (2), an upper mounting plate (3) is fixedly arranged on a bottom plate of the upper die carrier (1), a left guide rail (4) and a right guide rail (5) are fixedly arranged at the bottom of the upper mounting plate (3), an arc-shaped part (6) and a left arc-shaped groove (7) are respectively arranged on the right side of the left guide rail (4) from top to bottom, the lower edge of the left arc-shaped groove (7) extends to the right side of the arc-shaped part (6), a right arc-shaped groove (8) is arranged on the left side of the right guide rail (5), the lower edge of the right arc-shaped groove (8) extends to the left side of the upper edge of the right guide rail, the lower edge of the right arc-shaped groove (8) is opposite to the lower edge of the left arc-shaped groove (7), a sliding block (9) is arranged between the left guide rail (4) and the right guide rail (5), a left bulge (10) and a right bulge (11) are respectively arranged on the left side and the right side of the sliding block (9), the left bulge (10) is supported at the top of the arc-shaped part (6), the right bulge (11) contacts the left side of the sliding block (5), the sliding block (9) is fixedly arranged on the bottom edge of the right arc-shaped groove (8) and the lower edge (7) and the lower edge of the left guide rail (4) and the right guide rail (5), the lower end part of the guide post A (14) penetrates through the upper mounting plate (3) and is fixedly arranged at the top of the sliding block (9), a spring A (15) positioned in the spring mounting hole A (13) is sleeved on the guide post A (14), one end of the spring A (15) is fixedly arranged at the bottom of the spring mounting hole A (13), and the other end of the spring A (15) is fixedly arranged on the guide post A (14);
the top of die carrier (2) has set firmly down mounting panel (16), and die (17) under die (12) have set firmly at the top of mounting panel (16) down, and horizontal feed slot (18) have all been seted up on the left and right sides of die (17) and being located its top surface, and the through-hole has been seted up at the middle part of die (17), and slidable mounting has down roof (19) in the through-hole, set up spring mounting hole B (20) in die carrier (2) down, slidable mounting has guide post B (21) in spring mounting hole B (20), and the top of guide post B (21) runs through mounting panel (16) and sets firmly in the bottom of roof (19) down, and the cover has spring B (22) on guide post B (21), and the one end of spring B (22) is set firmly in the bottom of spring mounting hole B (20), and the other end of spring B (22) is fixed on guide post B (21).
2. The shallow-bottom small-diameter thin-wall drawing piece side groove machining die according to claim 1, wherein: a step hole (23) for communicating the through hole with the spring mounting hole B (20) is formed in the lower mounting plate (16).
3. The shallow-bottom small-diameter thin-wall drawing piece side groove machining die according to claim 1, wherein: the female die (17) is connected with the lower mounting plate (16) through screws.
4. The shallow-bottom small-diameter thin-wall drawing piece side groove machining die according to claim 1, wherein: two spring mounting holes A (13) are formed in the upper die frame (1), and guide columns A (14) are slidably mounted in the two spring mounting holes A (13).
5. The shallow-bottom small-diameter thin-wall drawing piece side groove machining die according to claim 1, wherein: a connecting column (24) is fixedly arranged between the bottom of the guide column A (14) and the sliding block (9).
6. The method for machining the side groove of the shallow bottom small-diameter thin-wall stretched piece by using the die according to any one of claims 1-5, which is characterized in that: it comprises the following steps:
s1, after an opening of a thin-wall pipe (25) is upwards transferred to the right upper part of a female die (17), pressing a die carrier (1) downwards, driving a sliding block (9) to downwards move by the upper die carrier (1), driving a male die (12) to downwards move by the sliding block (9), leading the male die (12) to firstly enter the thin-wall pipe (25), pushing the thin-wall pipe (25) and the female die (17) to downwards move together, continuing to downwards move after the bottom surface of the thin-wall pipe (25) is contacted with a lower top plate (19), driving a guide post B (21) to compress a spring B (22) by the lower top plate (19), and fixing a forming part of the thin-wall pipe (25) between two transverse feed grooves (18) of the female die (17) when the lower top plate (19) can not downwards move any more;
s2, the upper die carrier (1) continues to move downwards, the lower top plate (19) pushes the sliding block (9) upwards, the left bulge (10) of the sliding block (9) is blocked by the arc-shaped part (6) of the left arc-shaped groove (7), the sliding block (9) moves rightwards for a certain distance, the cylindrical cutting edge positioned on the right side moves rightwards along the right side transverse feed groove (18), and when the cylindrical cutting edge passes through the right side transverse feed groove (18), the right side material of the thin-wall tube (25) is cut off, so that a first side wall groove is formed;
s3, along with the continuous upward movement of the sliding block (9), the right bulge (11) of the sliding block (9) is blocked by the upper edge of the right arc-shaped groove (8), the sliding block (9) moves leftwards for a certain distance, the cylindrical cutting edge on the left side moves leftwards along the left transverse feed groove (18), the cylindrical cutting edge cuts off the material on the left side of the thin-wall tube (25), so that a second groove is formed, and finally two opposite grooves are machined on the thin-wall tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850839.7A CN110449504B (en) | 2019-09-10 | 2019-09-10 | Machining die and machining method for side groove of shallow-bottom small-diameter thin-wall stretching piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850839.7A CN110449504B (en) | 2019-09-10 | 2019-09-10 | Machining die and machining method for side groove of shallow-bottom small-diameter thin-wall stretching piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110449504A CN110449504A (en) | 2019-11-15 |
| CN110449504B true CN110449504B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910850839.7A Active CN110449504B (en) | 2019-09-10 | 2019-09-10 | Machining die and machining method for side groove of shallow-bottom small-diameter thin-wall stretching piece |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2680372Y (en) * | 2004-02-26 | 2005-02-23 | 北新建材(集团)有限公司 | C-shape cut mould structure |
| CN105251889A (en) * | 2015-11-25 | 2016-01-20 | 重庆持恒模具有限公司 | Bending mold |
| CN106944539A (en) * | 2017-05-16 | 2017-07-14 | 李彩英 | A kind of car tooth form clutch hub body stretching punch mechanism |
| CN107900171A (en) * | 2017-11-17 | 2018-04-13 | 文玉林 | Apply to the mould of stamping parts cutting burrs |
| 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 |
| CN208853560U (en) * | 2018-09-19 | 2019-05-14 | 苏州曙泰机电有限公司 | A kind of stamping die side blow structure from inside to outside |
| CN210632727U (en) * | 2019-09-10 | 2020-05-29 | 成都宏明双新科技股份有限公司 | Shallow end path thin wall drawing piece side groove mold processing |
-
2019
- 2019-09-10 CN CN201910850839.7A patent/CN110449504B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2680372Y (en) * | 2004-02-26 | 2005-02-23 | 北新建材(集团)有限公司 | C-shape cut mould structure |
| CN105251889A (en) * | 2015-11-25 | 2016-01-20 | 重庆持恒模具有限公司 | Bending mold |
| CN106944539A (en) * | 2017-05-16 | 2017-07-14 | 李彩英 | A kind of car tooth form clutch hub body stretching punch mechanism |
| CN107900171A (en) * | 2017-11-17 | 2018-04-13 | 文玉林 | Apply to the mould of stamping parts cutting burrs |
| 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 |
| CN208853560U (en) * | 2018-09-19 | 2019-05-14 | 苏州曙泰机电有限公司 | A kind of stamping die side blow structure from inside to outside |
| CN210632727U (en) * | 2019-09-10 | 2020-05-29 | 成都宏明双新科技股份有限公司 | Shallow end path thin wall drawing piece side groove mold processing |
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| CN110449504A (en) | 2019-11-15 |
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