CN106216470B - Hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part - Google Patents

Hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part Download PDF

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Publication number
CN106216470B
CN106216470B CN201610647278.7A CN201610647278A CN106216470B CN 106216470 B CN106216470 B CN 106216470B CN 201610647278 A CN201610647278 A CN 201610647278A CN 106216470 B CN106216470 B CN 106216470B
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CN
China
Prior art keywords
revolving die
internal model
sharp edge
drive block
workpiece
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CN201610647278.7A
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Chinese (zh)
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CN106216470A (en
Inventor
董伟国
王开亮
陈兴长
侯文洪
陈振家
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Zhejiang Weichi Machinery Group Co., Ltd.
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ZHEJIANG WISE MACHINERY GROUP CO Ltd
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Priority to CN201610647278.7A priority Critical patent/CN106216470B/en
Publication of CN106216470A publication Critical patent/CN106216470A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00Flanging or other edge treatment, e.g. of tubes
    • B21D19/08Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • B21D19/088Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes

Abstract

Hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part, and revolving die is arranged on base by revolving die support, and the contact surface of revolving die first is processed on the left of revolving die and revolving die molding part is installed, internal model pushing block is installed in the middle of revolving die, its right side is work department;Installed on the left of upper mould and turn over sharp edge shaping mould, middle part connects pressing plate by gas spring, straight drive block and flat driving Block- matching are installed in right side, and external mold is installed on the left side of flat drive block;Workpiece is placed on workpiece positioning table, and inside workpiece installs internal model.During work, down, pressing plate fixes workpiece to upper mould, turns over sharp edge shaping mould down, while straight drive block turns left flat drive block when pushing away, first drive revolving die to rotate, make to turn over acute angle edge forming simultaneously, shift internal model onto position, upper mould is down, external mold head enters in workpiece initial apertures, then by the effect of external mold forming part and internal model forming part, hole flanging in shaping.Using the aggregate motion for overpaying mould, make the workpiece disposal molding of complexity, it is ensured that quality, improve efficiency.

Description

Hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part
Technical field
The present invention relates to the one-shot forming dress that hole flanging in decompressor, more particularly to a kind of part and straight flange turn over sharp edge Put.
Background technology
At present, because the cost of stamping products is low, increasingly popularized with the application of punch press both at home and abroad, punching precision is carried Height, has many products to pass through the punching press of punch press to produce, and the workpiece of many of which complicated shape is produced also by punching press, raw Produce producer to improve the precision of product, reduce the production cost of product, mould is sufficiently improved.
The one-shot forming apparatus that hole flanging turns over sharp edge with straight flange in a kind of part that the present invention is referred to passes through common mould It can not realize, produce at this stage at least through post forming (in first time punching press hole flanging, second of straight flange turn over sharp edge) Realize that hole flanging and straight flange in part turn over the one-shot forming of sharp edge, due to the multiple bearing of product, cause the change of positioning datum, The precision that there is product is not high, while increasing with procedure, causes production cost to greatly improve.The present invention by using The aggregate motion of mould is overpaied, makes the workpiece disposal molding of complexity, it is ensured that quality, efficiency is improved.
The content of the invention
Weak point present in regarding to the issue above, the present invention provides hole flanging in a kind of part and turns over sharp edge with straight flange One-shot forming apparatus.
To achieve the above object, the present invention provides the one-shot forming apparatus that hole flanging in a kind of part turns over sharp edge with straight flange, Including:
Position-limited rack is installed in base, the left side of the base, and revolving die support, the revolving die are installed in the middle part of the base Revolving die is installed by rotating shaft on support;
The left side processing contact surface of revolving die first of the revolving die, the left upper of the revolving die be bolted revolving die into Type part, the middle part of the revolving die internal model pushing block, the right side processing forced section of the revolving die are installed by bolt;
Turn over sharp edge shaping mould, described to turn over sharp edge shaping mould corresponding with the left side of revolving die installed in the left side of upper mould;
Pressing plate, the pressing plate is arranged on the centre of the upper mould by gas spring;
Straight drive block, the straight drive block is arranged on corresponding position peace below the right side of the upper mould, the straight drive block Flat drive block is filled, the straight drive block bottom processes straight drive block working face, and the right side of the flat drive block processes flat drive block Working face, the left side processing external mold of the flat drive block, bottom connection function portion and the revolving die of the flat drive block (16) (4) right side forced section matching;
Workpiece positioning table is arranged on the centre of the upper mould and the base, is connected by support with the base, described Workpiece is placed on workpiece positioning table;
Internal model, the internal model is arranged on below the workpiece positioning table.
Further improve as of the invention, the contact surface of revolving die first is shaped as arc-shaped.
Further improved as of the invention, the right side processing pushing block contact site of the internal model pushing block, the pushing block contact site Profile be arc-shaped.
Further improved as of the invention, the right lower quadrant of the revolving die installs revolving die back-moving spring.
As further improvement of the invention, flat driving module resetting mechanism, the flat drive are installed below the flat drive block Motion block resetting-mechanism includes the oat tail groove structure for being oriented to and the back-moving spring for reset.
Further improved as of the invention, the external mold includes external mold head and external mold forming part, between rounding off.
Further improved as of the invention, the external mold head is frustum, and the end diameter of the frustum is less than described The diameter of the workpiece initial apertures of workpiece, the external mold forming part is cylindric, the columned diameter and Workpiece shaping metapore Diameter it is consistent.
Further improved as of the invention, internal model resetting-mechanism, the internal model resetting-mechanism are installed below the internal model Including the oat tail groove structure for guiding and the back-moving spring for reset.
Further improved as of the invention, the right side processing internal model forming part and internal model forming hole of the internal model.
Further improved as of the invention, the diameter of the internal model forming hole is more than the diameter of the external mold forming part.
Beneficial effects of the present invention are:
1. by using the aggregate motion for overpaying mould, making the workpiece disposal molding of complexity, it is ensured that quality, effect is improved Rate.
2. using the abnormity design of revolving die, when making the straight flat drive block of drive block promotion, the lower reaction portion of straight drive block is pushed away The right side forced section of dynamic revolving die, makes revolving die rotate around the axis an angle, the forming surface of revolving die first and workpiece on the left of revolving die The left side is contacted, and until revolving die molding part and is turned over sharp edge shaping mould collective effect and is completed workpiece and turn over acute angle crack approach, is led to simultaneously The motion of internal model pushing block is crossed, makes internal model in place.
3. the designed arc-shaped appearance of the forming surface of revolving die first, makes contact submissive, the power without mutation when being transitioned into revolving die molding part, make Transition after acute angle edge forming is naturally, forming surface is smooth clean and tidy.
4. the conical design of external mold and the cooperation with internal model, make the interior hole flanging of workpiece simple, rationally, while conveniently stripped.
Brief description of the drawings
Fig. 1 is that the front view of the one-shot forming apparatus that hole flanging turns over sharp edge with straight flange in a kind of part of the invention is (unformed Before);
Fig. 2 is the front view (shaping of the one-shot forming apparatus that hole flanging turns over sharp edge with straight flange in a kind of part of the invention Afterwards);
Fig. 3 is the enlarged drawing of location A in Fig. 1;
Fig. 4 is the enlarged drawing of B location in Fig. 2;
Fig. 5 is the sectional view before work pieces process;
Fig. 6 is the sectional view after work pieces process.
In figure:1st, base;2nd, position-limited rack;3rd, revolving die support;4th, revolving die;5th, the contact surface of revolving die first;6th, revolving die molding part; 7th, internal model pushing block;8th, pushing block contact site;9th, workpiece positioning table;10th, workpiece;11st, sharp edge shaping mould is turned over;12nd, upper mould;13rd, gas Body spring;14th, pressing plate;15th, straight drive block;16th, flat drive block;17th, driving module resetting mechanism is put down;18th, internal model;19th, internal model is multiple Position mechanism;20th, revolving die back-moving spring;21st, straight drive block working face;22nd, flat drive block working face;23rd, external mold head;24th, it is outer Mold forming portion;25th, internal model forming part;26th, internal model forming hole;27th, workpiece initial apertures;28th, Workpiece shaping metapore.
Embodiment
As shown in Figure 1-2, hole flanging turns over the one-shot forming of sharp edge with straight flange in a kind of part described in the embodiment of the present invention Device, including:Position-limited rack 2 is installed in base 1, the left side of the base 1, realizes the control to revolving die rotational angle.The centre of base 1 Install on revolving die support 3, revolving die support 3 by rotating shaft installation revolving die 4 at position;The left side processing contact surface of revolving die first of revolving die 4 5, the first contact surface of revolving die 5 is shaped as arc-shaped, revolving die is contacted submissive with workpiece.The left upper of revolving die 4 passes through bolt Revolving die molding part 6 is connected, by the flexible connection of bolt, conveniently repairs a die and changes.Installed by bolt the middle part of revolving die 4 Internal model pushing block 7, the right side processing pushing block contact site 8 of internal model pushing block 7, the profile of the pushing block contact site 8 is arc-shaped.Work as revolving die During rotation, the left side of internal model is pushed away by the contact site of arc-shaped.The right side processing forced section of revolving die 4, the right lower quadrant of revolving die 4 is installed Revolving die back-moving spring 20, the reset for revolving die.Sharp edge shaping mould 11 is turned over installed in the left side of upper mould 12 and the left side of revolving die 4 Correspondence;Pressing plate 14 is arranged on the centre of upper mould 12 by gas spring 13, realizes and the flexibility of workpiece is positioned.Straight drive block 15 is pacified Flat drive block 16 is installed in corresponding position below the right side of upper mould 12, straight drive block 15, and the straight bottom of drive block 15 processing is straight to drive Motion block working face 21, the right side of flat drive block processes flat drive block working face 22, when straight drive block down when, pass through straight drive block Working face 21 extrudes flat drive block working face 22, flat drive block is turned left horizontal movement.The bottom connection function of flat drive block 16 Portion is matched with the right side forced section of revolving die 4, when flat drive block is turned left, by the forced section of the push-jump mould of service portion, realizes revolving die Rotation.Flat driving module resetting mechanism 17 is installed, the flat driving module resetting mechanism 17 includes being used for below flat drive block 16 The oat tail groove structure of guiding and the back-moving spring for reset.Workpiece positioning table 9 is arranged on the centre of upper mould 12 and base 1, leads to Cross support to be connected and (do not represent in support figure) with base 1, workpiece 10 is placed on workpiece positioning table 9;Internal model 18 is fixed installed in workpiece Below the platform 9 of position, internal model resetting-mechanism 19 is installed below internal model 18, internal model resetting-mechanism 19 includes the dovetail groove for being oriented to Structure and the back-moving spring for reset.
As shown in Figure 3-4, the left side processing external mold of the flat drive block 16, external mold includes external mold head 23 and outer mold forming Portion 24, between rounding off.External mold head 23 is frustum, and the end diameter of frustum is less than the workpiece initial apertures 27 of workpiece 10 Diameter, external mold forming part 24 is cylindric, and columned diameter is consistent with the diameter of Workpiece shaping metapore 28.The right side of internal model 18 Process internal model forming part 25 and internal model forming hole 26.The diameter of internal model forming hole 26 is more than the diameter of external mold forming part 24.
As shown in figure 5, being the sectional view before work pieces process.
As shown in fig. 6, being the sectional view after work pieces process.
By using the aggregate motion for overpaying mould, make the workpiece disposal molding of complexity, it is ensured that quality, improve efficiency. Using the abnormity design of revolving die, when making the straight flat drive block of drive block promotion, the lower reaction portion of straight drive block promotes the right side of revolving die Side forced section, makes revolving die rotate around the axis an angle, and the forming surface of revolving die first on the left of revolving die is contacted with the left side of workpiece, directly To revolving die molding part and turn over sharp edge shaping mould collective effect and complete workpiece and turn over acute angle crack approach, while pass through internal model pushing block Motion, makes internal model in place.The designed arc-shaped appearance of the forming surface of revolving die first, makes contact submissive, without mutation when being transitioned into revolving die molding part Power, make transition after acute angle edge forming naturally, forming surface is smooth clean and tidy.The conical design of external mold and the cooperation with internal model, make work The interior hole flanging of part is simple, rationally, while conveniently stripped.
When specifically used, for convenience of the present invention is understood, it is described stage by stage with reference to accompanying drawing;
1. charging stage (referring to Fig. 1), upper mould is located at a high position, straight drive block is separated with flat drive block, and flat drive block is in bullet It is located at right side in the presence of spring, revolving die is rotated counterclockwise in the presence of revolving die back-moving spring, until the lower left quarter of revolving die is encountered Position-limited rack;Internal model is in the left side in the presence of internal model back-moving spring;Turn over sharp edge shaping mould and pressing plate is located above, now will Workpiece is placed into workpiece positioning table.
2. the punching press first stage (referring to Fig. 1-2), that is, turning over acute angle edge forming and internal model in place, down, pressing plate is first for upper mould Encounter workpiece, workpiece is pushed down, now turn over sharp edge shaping mould and down encounter workpiece, by workpiece along turning over sharp edge shaping mould Bending occurs for inner side, while straight drive block encounters flat drive block, flat drive block is turned left, by the following push-jump mould of service portion by Power portion, realizes turning clockwise for revolving die, and the contact surface of left side revolving die first of revolving die encounters workpiece, by the left side of workpiece up Turn over, reach lowest order until turning over sharp edge shaping mould, now revolving die molding part is contacted with workpiece, is finally completed acute angle edge forming. While acute angle edge forming, the internal model pushing block edge on revolving die is rotated clockwise, a left side for pushing block contact site and internal model on the right side of it Side contacts, internal model is turned right along horizontal direction and moved, until in place.
3. punching press second stage (referring to Fig. 1-4), i.e. hole flanging in punch forming, upper mould continue down, gas spring compression, Pressing plate tightly pushes down workpiece.Straight drive block continues to extrude flat drive block, due to the now service portion of flat drive block and revolving die Forced section is flat contact, although it has relative motion, and revolving die is not rotated, and the external mold and workpiece in the left side of flat drive block Initial apertures contact, by the guide effect on external mold head, the head of external mold and forming part produce extruding to workpiece, simultaneously because The supporting role of internal model forming part, forms Workpiece shaping metapore (see Fig. 6), now the head of external mold and forming part are all in internal model At forming hole, shaping terminates.
4. blanking and reseting stage (referring to Fig. 1), punching press terminates, and up, drive turns over sharp edge shaping mould up to upper mould, presses Up, gas spring is resetted block, and straight drive block is up separated until with flat drive block, and flat drive block is in flat driving module resetting mechanism In the presence of level turn right motion, external mold is disengaged with workpiece, and revolving die is rotated counterclockwise in the presence of revolving die back-moving spring, until The lower left quarter of revolving die encounters position-limited rack;Internal model pushing block and internal model are separated, and internal model level in the presence of internal model back-moving spring is turned left Motion, forming part and the workpiece of internal model are disengaged, and now just the workpiece processed can be removed from workpiece positioning table, waited next Secondary punching press.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (10)

1. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part, it is characterised in that including:
Position-limited rack (2) is installed in base (1), the left side of the base (1), and revolving die support is installed in the middle part of the base (1) (3) revolving die (4), is installed by rotating shaft on the revolving die support (3);
The left side processing contact surface of revolving die first (5) of the revolving die (4), the left upper of the revolving die (4) is bolted Revolving die molding part (6), the middle part of the revolving die (4) internal model pushing block (7), the right side of the revolving die (4) are installed by bolt Process forced section;
Sharp edge shaping mould (11) is turned over, the sharp edge shaping mould (11) that turns over is installed in the left side of upper mould (12) and the revolving die (4) left side correspondence;
Pressing plate (14), the pressing plate (14) is arranged on the centre of the upper mould (12) by gas spring (13);
Straight drive block (15), the straight drive block (15) is arranged on the right side of the upper mould (12), the straight drive block (15) Flat drive block (16) is installed in corresponding position below, and straight drive block (15) bottom processes straight drive block working face (21), described flat The right side of drive block processes flat drive block working face (22), the left side processing external mold of the flat drive block (16), the flat driving The bottom connection function portion of block (16) is matched with the right side forced section of the revolving die (4);
Workpiece positioning table (9) is arranged on the upper mould (12) and the centre of the base (1), passes through support and the base (1) Workpiece (10) is placed on connection, the workpiece positioning table (9);
Internal model (18), the internal model (18) is arranged on below the workpiece positioning table (9).
2. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 1, its feature exists In:The contact surface of revolving die first (5) is shaped as arc-shaped.
3. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 1, its feature exists In:The right side processing pushing block contact site (8) of the internal model pushing block (7), the profile of the pushing block contact site (8) is arc-shaped.
4. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 1, its feature exists In:The right lower quadrant of the revolving die (4) installs revolving die back-moving spring (20).
5. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 1, its feature exists In:Flat driving module resetting mechanism (17), flat driving module resetting mechanism (17) bag are installed below the flat drive block (16) Include the oat tail groove structure for guiding and the back-moving spring for reset.
6. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 1, its feature exists In:The external mold include external mold head (23) and external mold forming part (24), between rounding off.
7. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 6, its feature exists In:The external mold head (23) is frustum, and the end diameter of the frustum is less than the workpiece initial apertures of the workpiece (10) (27) diameter, the external mold forming part (24) is cylindric, and the columned diameter is straight with Workpiece shaping metapore (28) Footpath is consistent.
8. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 1, its feature exists In:Internal model resetting-mechanism (19) is installed, the internal model resetting-mechanism (19) is included for guiding below the internal model (18) Oat tail groove structure and the back-moving spring for reset.
9. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 7, its feature exists In:The right side processing internal model forming part (25) and internal model forming hole (26) of the internal model (18).
10. hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part according to claim 9, its feature exists In:The diameter of the internal model forming hole (26) is more than the diameter of the external mold forming part (24).
CN201610647278.7A 2016-08-08 2016-08-08 Hole flanging turns over the one-shot forming apparatus of sharp edge with straight flange in a kind of part Active CN106216470B (en)

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CN108080459A (en) * 2017-11-08 2018-05-29 天津东方奇运汽车制造有限公司 The acute angle bending tool of thin-walled steel plate
CN108057755B (en) * 2017-12-05 2019-12-13 马鞍山市万鑫铸造有限公司 Punching hole flanging device
CN108380753B (en) * 2018-04-03 2023-05-09 浙江炜驰机械集团股份有限公司 Disposable twice flanging takes compound die of structure of punching a hole of side
CN110614311A (en) * 2019-10-17 2019-12-27 慈溪市普锐金属制品有限公司 Punch forming device for television bracket connecting piece
CN112828146B (en) * 2020-12-31 2023-03-14 广州敏实汽车零部件有限公司 Progressive die production mechanism for side flanging
CN115608828B (en) * 2022-12-19 2023-03-03 沧州市三庆工贸有限公司 Pipe end forming device and process for clamping and pressing pipe fitting

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Address after: 316102 No. 51 Xinchi Road, Donggang Street, Putuo District, Zhoushan City, Zhejiang Province

Patentee after: Zhejiang Weichi Machinery Group Co., Ltd.

Address before: 316102 No. 51 Xinchi Road, Donggang Street, Putuo District, Zhoushan City, Zhejiang Province

Patentee before: Zhejiang Wise Machinery Group Co., Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: The utility model relates to a one-time forming device for turning inward holes and sharp corners of straight edges of parts

Effective date of registration: 20211126

Granted publication date: 20171031

Pledgee: China Construction Bank Corporation Zhoushan Putuo sub branch

Pledgor: ZHEJIANG WEICHI MACHINERY GROUP Co.,Ltd.

Registration number: Y2021330002370