CN114011922A - Sheet metal part bending die - Google Patents
Sheet metal part bending die Download PDFInfo
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- CN114011922A CN114011922A CN202111307506.3A CN202111307506A CN114011922A CN 114011922 A CN114011922 A CN 114011922A CN 202111307506 A CN202111307506 A CN 202111307506A CN 114011922 A CN114011922 A CN 114011922A
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- positioning
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- 239000002184 metal Substances 0.000 title claims abstract description 114
- 238000005452 bending Methods 0.000 title claims abstract description 60
- 230000037228 dieting effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a sheet metal part bending die which comprises a base, a female die, an operating part and a male die, wherein the female die is arranged on the base; the base is used for accommodating and mounting the female die, the operating part and the male die, and positioning grooves used for being matched with the sheet metal part are formed in two sides of an opening of the concave part of the female die; the first end of the operating part is rotatably arranged on the base, and the second end of the operating part is a free end; the male die is detachably arranged on the operating piece and provided with a convex part matched with the concave part of the female die; the concave part opening both sides of above-mentioned sheet metal component bending die's die are provided with and are used for with sheet metal component complex constant head tank, can fix a position the sheet metal component when bending, need not the hand sheet metal component of operator, have eliminated the potential safety hazard, and make the sheet metal component all be in on the same position when bending at every turn to can improve the preparation precision that the sheet metal component bent, improve the uniformity of product, reduce the out-of-tolerance or the condemned condition.
Description
Technical Field
The invention relates to the technical field of sheet metal part machining, in particular to a sheet metal part bending die.
Background
In the processing process of metal sheet metal parts, products with certain shapes, such as U-shaped and V-shaped sheet metal parts, need to be manufactured by using a bending die, the existing bending die is not positioned for the sheet metal parts, and the sheet metal parts need to be manually held for bending and forming, and the mode has the following defects: firstly, the position of sheet metal component relies on the operator to control by oneself, and the easy out-of-tolerance of part of processing or scrap, and the uniformity is relatively poor, secondly has the potential safety hazard.
Disclosure of Invention
The invention aims to provide a sheet metal part bending die, which is used for improving the consistency and the manufacturing precision of processed parts, reducing the phenomenon of out-of-tolerance or scrapping and avoiding potential safety hazards.
In order to achieve the purpose, the invention provides the following technical scheme:
a sheet metal part bending die, comprising:
a base;
the concave die is detachably arranged on the base, and positioning grooves matched with the sheet metal parts are formed in two sides of an opening of the concave part of the concave die;
the first end of the operating piece is rotatably arranged on the base, and the second end of the operating piece is a free end;
the male die is detachably arranged on the operating piece and provided with a convex part matched with the concave part of the female die.
Preferably, the base is provided with a limiting groove, the first end of the operating part is rotatably arranged in the limiting groove, and the limiting groove limits the operating part.
Preferably, corners between the lateral wall of constant head tank are provided with sunken corner of dodging the groove in order to dodge the sheet metal component.
Preferably, the depth of the positioning groove is 1-3 times of the thickness of the sheet metal part.
Preferably, the base is provided with a first limiting structure for limiting the concave die.
Preferably, the first limiting structure comprises a first limiting baffle, and one side surface of the female die is matched with the first limiting baffle for limiting.
Preferably, the positioning piece is arranged on one side of the concave portion and matched with the concave portion in a sliding mode through the sliding groove, the top surface of the positioning piece is flush with the bottom surface of the positioning groove when the positioning piece slides to a first limit position relative to the concave portion, and the positioning piece is completely staggered with the concave portion when the positioning piece slides to a second limit position relative to the concave portion.
Preferably, the setting element is L shape, one of two step faces of setting element be used for with the spout sliding fit of die, another one of two step faces of setting element be used for with base sliding fit, surface between two step faces of setting element for be used for with a side surface contact cooperation of die will the setting element for the die is spacing extremely first spacing face of first extreme position, on the setting element with a side surface that first spacing face set up dorsad is the spacing face of second, the spacing face of second be used for with the cooperation of the second limit structure of base will the setting element for the die is spacing extremely second extreme position.
Preferably, the second limit structure comprises a second limit baffle, the second limit baffle is provided with a via hole, the connecting piece penetrates through the via hole and is connected with the positioning piece, and the connecting piece is matched with the via hole to limit the sliding direction of the positioning piece.
Preferably, a bottom surface of the chute is not higher than a bottom surface of the recess.
Preferably, one of the operating member and the male die is provided with a stop groove, the other of the operating member and the male die is provided with a stop protrusion, and the stop groove and the stop protrusion cooperate to limit the operating member and the male die relatively.
Preferably, the top surface of the stop protrusion is an arc surface, and the bottom surface of the stop groove is an arc surface.
According to the technical scheme, the invention discloses a sheet metal part bending die which comprises a base, a female die, an operating part and a male die; the base is used for accommodating and mounting a female die, an operating part and a male die, the female die is detachably arranged on the base so as to be convenient for replacing female dies with different specifications and shapes, and positioning grooves used for being matched with sheet metal parts are formed in two sides of an opening of a concave part of the female die; the first end of the operating part is rotatably arranged on the base, and the second end of the operating part is a free end; the male die is detachably arranged on the operating part so as to be convenient for replacing male dies with different specifications and shapes, the male die is provided with a convex part matched with the concave part of the female die, the shapes of the concave part and the convex part are determined according to the forming shape of a sheet metal part to be processed, if a U-shaped sheet metal part is required, the shapes of the concave part and the convex part are U-shaped, and if a V-shaped sheet metal part is required, the shapes of the concave part and the convex part are V-shaped; positioning grooves used for being matched with the sheet metal parts are formed in two sides of the opening of the concave part of the concave die of the sheet metal part bending die, so that the sheet metal parts can be positioned during bending, an operator does not need to hold the sheet metal parts by hands, potential safety hazards are eliminated, and the sheet metal parts are located at the same position during bending each time, so that the manufacturing precision of bending the sheet metal parts can be improved, the consistency of products is improved, and the condition of out-of-tolerance or scrapping is reduced; and the detachable construction of terrace die and die makes above-mentioned sheet metal component bending die can change the terrace die and the die of different specifications and shape as required, and more convenient to use, application range is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a partial cross-sectional top view of a sheet metal part bending die in an embodiment of the invention;
FIG. 2 is a sectional view taken along the line α in FIG. 1;
FIG. 3 is a top view of a base of the sheet metal part bending die in the embodiment of the present invention;
FIG. 4 is a sectional view taken along line β of FIG. 3;
FIG. 5 is a left side view of the base of the sheet metal part bending die in the embodiment of the present invention;
FIG. 6 is a top view of a female die of the sheet metal part bending die in the embodiment of the invention;
FIG. 7 is a cross-sectional view taken along line γ of FIG. 6;
FIG. 8 is a right side view of the female die of the sheet metal part bending die in the embodiment of the present invention;
FIG. 9 is a left side view of a female die of the sheet metal part bending die in the embodiment of the present invention;
FIG. 10 is a front view of a positioning member of the sheet metal bending die in an embodiment of the present invention;
FIG. 11 is a right side view of a positioning member of the sheet metal bending die in an embodiment of the present invention;
fig. 12 is a top view of a positioning member of the sheet metal bending die in the embodiment of the present invention;
FIG. 13 is a top view of the male die of the sheet metal component bending die in an embodiment of the present invention;
FIG. 14 is a cross-sectional view taken in the direction of δ in FIG. 13;
FIG. 15 is a left side view of the male die of the sheet metal component bending die in an embodiment of the present invention;
FIG. 16 is a top view of an operating member of a sheet metal part bending die in an embodiment of the present invention;
FIG. 17 is a front view, partly in section, of an operating member of a sheet metal part bending die in an embodiment of the invention;
FIG. 18 is a top view of a sheet metal part before bending in an embodiment of the present invention;
FIG. 19 is a front side view of a bent sheet metal part in an embodiment of the present invention;
FIG. 20 is a top view, partially in section, of a sheet metal part before being bent in an embodiment of the present invention, as assembled to a sheet metal part bending die;
FIG. 21 is a cross-sectional view taken in the direction ε in FIG. 20;
fig. 22 is a partial cross-sectional top view of a bent sheet metal part assembled to a sheet metal part bending die in an embodiment of the present invention;
FIG. 23 is a view in section from the ζ direction in FIG. 22;
FIG. 24 is a top view of a bent sheet metal part in an embodiment of the present invention;
FIG. 25 is a front view of a sheet metal part after being bent in an embodiment of the present invention;
fig. 26 is a left side view of a bent sheet metal part in an embodiment of the present invention.
Wherein:
1 is a base; 2 is a connecting piece; 3 is a positioning piece; 4 is a positioning pin; 5 is a first locking member; 6 is a concave die; 7 is a male die; 8 is a second locking member; 9 is a gasket; 10 is an operating part; and 11 is a sheet metal part.
Detailed Description
The core of the invention is to provide a sheet metal part bending die, and the structural design of the sheet metal part bending die can improve the consistency and the manufacturing precision of processed parts, reduce the phenomenon of out-of-tolerance or scrapping and avoid potential safety hazards.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a partial sectional top view of a sheet metal part bending die in an embodiment of the present invention, and fig. 2 is a sectional view taken along the direction α in fig. 1.
The embodiment of the invention discloses a sheet metal part bending die which comprises a base 1, a female die 6, an operating part 10 and a male die 7.
The base 1 is used for accommodating and mounting the female die 6, the operating part 10 and the male die 7, the female die 6 is detachably arranged on the base 1 so as to be convenient for replacing female dies 6 with different specifications and shapes, positioning grooves used for being matched with sheet metal parts 11 are arranged on two sides of an opening of a concave part of the female die 6, and the concave part and the positioning grooves of the female die 6 are arranged on a J surface on the top surface of the female die 6; the first end of the operating element 10 is rotatably arranged on the base 1, and the second end of the operating element 10 is a free end; the male die 7 is detachably arranged on the operating part 10 so as to be convenient for replacing the male dies 7 with different specifications and shapes, the male die 7 is provided with a convex part matched with the concave part of the female die 6, the shapes of the concave part and the convex part are determined according to the forming shape of the sheet metal part 11 to be processed, if the U-shaped sheet metal part 11 is needed, the shapes of the concave part and the convex part are U-shaped, and if the V-shaped sheet metal part 11 is needed, the shapes of the concave part and the convex part are V-shaped.
Compared with the prior art, the positioning grooves matched with the sheet metal part 11 are arranged on the two sides of the opening of the concave part of the concave die 6 of the sheet metal part bending die provided by the embodiment of the invention, so that the sheet metal part 11 can be positioned during bending, an operator does not need to hold the sheet metal part 11 with hands, potential safety hazards are eliminated, and the sheet metal part 11 is positioned at the same position during bending each time, so that the manufacturing precision of bending the sheet metal part 11 can be improved, the consistency of products is improved, and the condition of out-of-tolerance or scrappage is reduced; and the detachable construction of terrace die 7 and die 6 makes above-mentioned sheet metal component bending die can change terrace die 7 and die 6 of different specifications and shape as required, more convenient to use, and application range is wider.
Preferably, referring to fig. 3 and 4, in the embodiment of the present invention, the base 1 is provided with a limiting groove, the limiting groove is defined by A, B, F which are enclosed by 3 planes, the first end of the operating element 10 is rotatably disposed in the limiting groove, and the limiting groove limits the operating element 10 to limit the swinging or translation of the operating element 10.
As shown in FIGS. 16 and 17, in the embodiment of the present invention, the operating member 10 is a bar-shaped handle, and A of the operating member 101Flour and B1The surface is used for being matched with the surface A and the surface B of the limit grooveAnd the position is limited by matching.
The surfaces A and B of the limiting groove and the corresponding flat surfaces A on the operating part 101Flour and B1The surfaces are in sliding fit, and the sliding fit clearance is 0.02 mm-0.04 mm. The opening of the limiting groove is provided with an E surface (2) which is arranged between the top surface H surface of the limiting groove and the A surface and the B surface, as shown in figure 5, the angle value of the inclined surface is about 5 degrees, and the flat surface A of the operating part 10 is opposite to the flat surface A1Flour and B1The surfaces initially act as guides and avoid damaging the operating member 10.
On the base 11、D2The holes are pin holes, the two pin holes keep equivalent values, and the two pin holes keep coaxial lines; the two pin holes are in interference fit with the outer circular surface of the positioning pin 4, the fastening fit interference is 0.015-0.020 mm, and the first end of the operating element 10 is provided with a through hole D5The first end of the operating member 10 passes through the through hole D5The operating part 10 is rotatably arranged on the positioning pin 4, the end part of the second end of the operating part 10 is a spherical surface, the spherical surface and the cylindrical structure of the second end of the operating part 10 are in smooth transition, the cylindrical structure and the spherical surface form a holding part of the operating part 10, the length of the holding part can be longer so that an operator can hold the operating part 10, and meanwhile, labor can be saved as much as possible when the operator bends with the help of the longer holding part.
Preferably, the base 1 is provided with a first limiting structure for limiting the concave die 6 so as to facilitate the positioning and installation of the concave die 6. Specifically, first limit structure includes first limit baffle, and a side surface M face and the N face of die 6 are spacing to play the positioning action to die 6 with the C face of first limit baffle and the F face cooperation of base 1 respectively, can restrict die 6 and take place the displacement. With reference to fig. 6-9, the fit property between the surface C and the corresponding plane M on the female die 6 is clearance fit, and the fit clearance value is 0mm to 0.01 mm; the surface F of the base 1 is in fit with the surface N on the female die 6 without a gap, and the top surface of the first limit baffle is the surface G.
As shown in fig. 6 and 7, 5 planes, ab, cd, ef, gh and K, on the female die 6 form positioning grooves, the depth of the positioning grooves is 1 to 3 times of the thickness of the sheet metal part 11, the corresponding dimensions of the positioning grooves and the sheet metal part 11 are in sliding fit, and the sliding fit clearance value is 0.02 to 0.04 mm. bc. Avoid the groove for sunken between the fg, play the effect of dodging 11 corners of sheet metal component, ensure that sheet metal component 11 can place smoothly in the constant head tank.
The matching property between the M surface of the female die 6 and the C surface of the base 1 is clearance fit, and the matching clearance is 0 mm-0.01 mm.
The female die 6 is detachably connected with the base 1 through the first locking piece 5, and a through hole D is formed between the surface I and the surface F of the base 14The first locking member 5 passes through the through hole D4Is connected and fastened with the female die 6.
In the embodiment of the present invention, as shown in fig. 6 to 12, the sheet metal bending die further includes a positioning member 3, and the concave die 6 is provided with a sliding groove at one side of the concave portion; setting element 3 passes through spout and 6 sliding fit of die, setting element 3 slides to first extreme position for die 6 when, 3 top W faces of setting element flush with the bottom surface K face of constant head tank, setting element 3 slides to the second extreme position for die 6 when, setting element 3 staggers completely with the concave part, through 6 setting element 3 of above-mentioned structure die and the cooperation of die 6, can utilize 3 top W faces of setting element and the cooperation of the bottom surface K face of constant head tank to support sheet metal component 11 when assembling sheet metal component 11 before the assembly is bent, it is regularly to fix the light minute-pressure with sheet metal component 11 with the cooperation of die 6 to move down at terrace die 7, portable setting element 3, make setting element 3 dodge sheet metal component 11, provide the space for the removal of sheet metal component 11.
Further, as shown in fig. 10, the positioning member 3 is L-shaped, one of two step surfaces, i.e., the S surface, of the positioning member 3 is used for being in sliding fit with a sliding groove of the female die 6, i.e., the L surface of the female die 6 is in sliding fit and is attached without a gap, the other of the two step surfaces, i.e., the T surface, of the positioning member 3 is used for being in sliding fit with the F surface of the base 1, the sliding fit gap is 0mm to 0.02mm, the surface X surface between the two step surfaces of the positioning member 3 is a first limiting surface used for being in surface contact fit with the O surface of one side surface of the female die 6 to limit the positioning member 3 to a first limit position relative to the female die 6, the side surface V surface of the positioning member 3, which is arranged opposite to the first limit surface, is a second limit surface, and the second limit surface is used for being matched with a second limit structure of the base 1 to limit the positioning member 3 to a second limit position relative to the female die 6.
Furthermore, the second limiting structure comprises a second limiting baffle, the second limiting baffle is provided with a via hole, and the connecting piece 2 penetrates through the via hole D3Is connected with the positioning piece 3, the connecting piece 2 and the via hole D3The sliding direction of the positioning piece 3 is limited in a matching way.
In the embodiment of the invention, the connecting piece 2 is a bolt which passes through the through hole D3Is in threaded connection with the positioning piece 3.
Preferably, the bottom surface L of the chute is lower than the generatrix ij of the bottom surface of the recess, so as to facilitate molding and removing the product part.
Further, the embodiment of the invention provides a bending die for the U-shaped sheet metal part 11, so that the forming surface of the female die 6 comprises R as shown in fig. 8 and 91R (two places) and R1And r. r should be a large value to ensure that the sheet metal part 11 will not be scratched, wrinkled or cracked.
Correspondingly, referring to fig. 13-15, the forming surface of the punch 7 comprises R3And R3Two sides of (a). Given a thickness value of the product part Z, the dimension 2R on the punch 73Plus 2Z, should be larger than the corresponding dimension 2R on the die 61The value is reduced by 0.02 mm-0.04 mm.
Referring to fig. 14-17, one of the operating member 10 and the male mold 7 is provided with a stop groove, the other of the operating member 10 and the male mold 7 is provided with a stop protrusion, the stop groove and the stop protrusion cooperate to limit the operating member 10 and the male mold 7, the male mold 7 is detachably disposed on the operating member 10 through the second locking member 8, and the operating member 10 is provided with a through hole D6The second locking piece 8 passes through the through hole D6Is connected with the male die 7. Further, in an embodiment of the present invention, the stop protrusion is disposed on the punch 7, and the P-face, Q-face and top arc face R of the punch 72Forming a stop protrusion, a stop recess provided in the operating member 10, and a P surface corresponding to the P surface provided in the stop recess1Face, Q corresponding to the above-mentioned Q face1Surface and the above-mentioned cambered surface R2Corresponding bottom surface arcFace R4P plane and P1Between faces and between Q face and Q1The fit between the surfaces is clearance fit, the fit clearance value is 0 mm-0.005 mm, and the cambered surface R is2And the arc surface R4The male die 7 can be limited to swing or translate along the axial direction through the stop limit structure.
In summary, the detailed working process of the sheet metal part bending die is described in detail below with reference to the accompanying drawings.
Fig. 18 and 19 show a sheet metal part 11 to be bent, in which the sheet metal part 11 has been formed with an annular head and an H-shaped portion to be bent by punching and blanking.
After obtaining above-mentioned sheet metal component 11, open the sheet metal component mould of bending, the setting element 3 of die 6 is in first extreme position this moment, places sheet metal component 11 in the constant head tank of die 6, and the cyclic annular head of sheet metal component 11 is placed in the W face of setting element 3, and the portion of bending of treating of H shape is located the constant head tank, as shown in fig. 20.
Then the operating member 10 is pressed downwards, so that the male die 7 is contacted with the sheet metal part 11, and the male die 7 is matched with the female die 6 to slightly press and fix the sheet metal part 11, as shown in fig. 21.
At this time, since the male die 7 is already matched with the female die 6 to slightly compress and fix the sheet metal part 11, the annular head of the sheet metal part 11 does not need to be supported by the positioning member 3, and the positioning member 3 can be moved to the second limit position, as shown in fig. 22.
The operating member 10 is then further depressed until the male die 7 engages the female die 6 as shown in fig. 23 and the sheet metal part 11 is formed as shown in fig. 24-25.
Then the operating element 10 is reset to return to the mold opening state; taking out the bent sheet metal part 11, and putting the sheet metal part 11 into a specified position; the positioning element 3 is then reset to the first extreme position for the next machining cycle.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. The utility model provides a sheet metal component mould of bending which characterized in that includes:
a base;
the concave die is detachably arranged on the base, and positioning grooves matched with the sheet metal parts are formed in two sides of an opening of the concave part of the concave die;
the first end of the operating piece is rotatably arranged on the base, and the second end of the operating piece is a free end;
the male die is detachably arranged on the operating piece and provided with a convex part matched with the concave part of the female die.
2. The sheet metal part bending die according to claim 1, wherein the base is provided with a limiting groove, the first end of the operating part is rotatably arranged in the limiting groove, and the limiting groove limits the operating part.
3. The sheet metal part bending die according to claim 1 or 2, wherein a corner between the side walls of the positioning groove is provided with a concave avoiding groove to avoid a corner of the sheet metal part.
4. The sheet metal part bending die according to claim 1 or 2, wherein the depth of the positioning groove is 1-3 times of the thickness of the sheet metal part.
5. The sheet metal part bending die according to claim 1 or 2, wherein the base is provided with a first limiting structure for limiting the female die.
6. The sheet metal part bending die according to claim 5, wherein the first limiting structure comprises a first limiting baffle, and one side surface of the female die is matched with the first limiting baffle for limiting.
7. The sheet metal part bending die according to claim 6, further comprising a positioning piece, wherein the concave die is provided with a sliding groove on one side of the concave part, the positioning piece is in sliding fit with the concave die through the sliding groove, when the positioning piece slides to a first limit position relative to the concave die, the top surface of the positioning piece is flush with the bottom surface of the positioning groove, and when the positioning piece slides to a second limit position relative to the concave die, the positioning piece and the concave part are completely staggered.
8. The sheet metal part bending die according to claim 7, wherein the positioning element is L-shaped, one of two step surfaces of the positioning element is used for being in sliding fit with a sliding groove of the female die, the other of the two step surfaces of the positioning element is used for being in sliding fit with the base, a surface between the two step surfaces of the positioning element is a first limiting surface which is used for being in contact fit with a side surface of the female die and limiting the positioning element relative to the female die to the first limit position, a side surface of the positioning element, which is arranged opposite to the first limiting surface, is a second limiting surface, and the second limiting surface is used for being matched with a second limiting structure of the base and limiting the positioning element relative to the female die to the second limit position.
9. The sheet metal part bending die according to claim 8, wherein the second limiting structure comprises a second limiting baffle, the second limiting baffle is provided with a through hole, a connecting piece penetrates through the through hole to be connected with the positioning piece, and the connecting piece is matched with the through hole to limit the sliding direction of the positioning piece.
10. The sheet metal part bending die of claim 7, wherein a bottom surface of the runner is not higher than a bottom surface of the recess.
11. The sheet metal part bending die according to any one of claims 1-2 and 6-10, wherein one of the operating member and the male die is provided with a stop groove, the other of the operating member and the male die is provided with a stop protrusion, and the stop groove and the stop protrusion are matched to limit the operating member and the male die relatively.
12. The sheet metal part bending die according to claim 11, wherein the top surface of the stopping protrusion is an arc surface, and the bottom surface of the stopping groove is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307506.3A CN114011922B (en) | 2021-11-05 | 2021-11-05 | Sheet metal part bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307506.3A CN114011922B (en) | 2021-11-05 | 2021-11-05 | Sheet metal part bending die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114011922A true CN114011922A (en) | 2022-02-08 |
| CN114011922B CN114011922B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111307506.3A Active CN114011922B (en) | 2021-11-05 | 2021-11-05 | Sheet metal part bending die |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111618187A (en) * | 2020-06-28 | 2020-09-04 | 格力电器（武汉）有限公司 | Stamping and bending device |
| CN111729951A (en) * | 2020-07-04 | 2020-10-02 | 滁州众德自动化装备有限公司 | Bending device is used in production of U-shaped curb plate |
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| US5099671A (en) * | 1991-03-18 | 1992-03-31 | Russ Beaulac | Combination braking, punching and shearing apparatus for forming sheet metal strips |
| JP2005186156A (en) * | 2003-12-26 | 2005-07-14 | Jfe Steel Kk | Method and device for press molding of metal sheet |
| JP2007245187A (en) * | 2006-03-15 | 2007-09-27 | Aisin Takaoka Ltd | Method for manufacturing object having closed cross sectional shape by hot working press |
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| CN211191667U (en) * | 2019-11-26 | 2020-08-07 | 平湖爱驰威汽车零部件有限公司 | Device for cutting and bending support |
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| CN114011922B (en) | 2024-05-17 |
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