CN204308057U - A kind of bending machine die processing multi-radian disc - Google Patents
A kind of bending machine die processing multi-radian disc Download PDFInfo
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- CN204308057U CN204308057U CN201420805887.7U CN201420805887U CN204308057U CN 204308057 U CN204308057 U CN 204308057U CN 201420805887 U CN201420805887 U CN 201420805887U CN 204308057 U CN204308057 U CN 204308057U
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Abstract
The utility model discloses a kind of bending machine die processing multi-radian disc, belong to bender field.Which solve existing bending machine die can not adapt to process different size workpiece or the narrow problem of accommodation.The utility model comprises mold and bed die, and mold comprises patrix clamping portion and patrix cutter head; Bed die comprises counterdie formed body and die shoe; The cross section of the bottom of patrix cutter head is circular arc; Die shoe is provided with the first groove, and the bottom of the first groove is provided with the second groove; Counterdie formed body is arranged on the first groove, and the upper surface of counterdie formed body is provided with circular groove, is provided with buffering cavity in the middle part of counterdie formed body, and its lower surface is provided with arc-shaped convex, and the material of counterdie formed body is polyurethane; The bottom of die shoe is provided with the 3rd groove to fovea superior.The utility model can adapt to the workpiece processing different radius of the radian, good stability, and machining accuracy is high, and workpiece surface quality is high.
Description
Technical field
The utility model belongs to bender field, specifically, relates to a kind of bending machine die processing multi-radian disc.
Background technology
Bender machines by the mould changing difformity and specification the workpiece that different size requires, the geomery of general mould is once decide, just can only process a kind of workpiece of geomery, and in the middle of real work, a lot of workpiece only has very little change in size, therefore more mold exchange both wasted the production time, and the production of mould causes very large cost to drop into, this problem can be solved, especially easily bounce-back after processing in the urgent need to producing a kind of mould that can adapt to the processing request of different size workpiece.
China Patent No. ZL201320044048.3, the patent document in publication date on August 28th, 2013, disclose a kind of Bending Mould, comprise spherical upper die and lower die, described counterdie comprises the one-level boss that bilateral symmetry is arranged, with the U-shaped groove formed by described one-level boss, described spherical patrix and described U-shaped fit depressions, described counterdie is also provided with polyurethane backing plate, the two ends of polyurethane backing plate are placed on the one-level boss of described both sides respectively, by a kind of Bending Mould that this utility model proposes, can reach and improve the quality of products, the object saved material.But the polyurethane backing plate that this utility model adopts is a monoblock, and its buffering range is less, limiting can the size range of processing work.
China Patent No. ZL201120489206.7, the patent document in publication date on July 11st, 2012, discloses a kind of without indentation bending machine die.It comprises upper die and lower die, also comprises plastic plate, and described counterdie top offers T-slot; The outline shape of described plastic plate is rectangle, and described plastic plate is embedded in the top of the T-slot of described counterdie; Described plastic plate is polyurethane sheet; Polyurethane sheet upper surface offers V-type recess along its length.The phenomenon that after using this utility model bending machine die effectively can reduce processing, panel surface scratches.But this utility model counterdie surface is without workpiece configurations shape, and described polyurethane sheet is an entity structure, less stable in actual process, and poor to the envelope effect of surface of the work, the workpiece size that can process is restricted.
Summary of the invention
The problem that 1, will solve
The workpiece processing different size can not be adapted to for existing bending machine die, machining accuracy is low, easily damage is caused to workpiece, and the mould accommodation that part is applicable to processing different size workpiece is narrow, and the problem of poor stability, the utility model provides a kind of bending machine die processing multi-radian disc, it can adapt to the workpiece processing different radius of the radian, and machining accuracy is high, workpiece surface quality is high, good stability.
2, technical scheme
For solving the problem, the utility model adopts following technical scheme.
Process a bending machine die for multi-radian disc, comprise mold and bed die, described mold comprises patrix clamping portion and patrix cutter head; Described bed die comprises counterdie formed body and die shoe; The cross section of the bottom of described patrix cutter head is circular arc; Described die shoe is provided with the first groove, and the bottom of the first groove is provided with the second groove; Described counterdie formed body is arranged on the first groove, and the upper surface of counterdie formed body is provided with circular groove, is provided with buffering cavity in the middle part of counterdie formed body, and its lower surface is provided with arc-shaped convex, and the material of counterdie formed body is polyurethane; The bottom of described die shoe is provided with the 3rd groove to fovea superior.
Preferably, the radius of the circular groove of described counterdie formed body upper surface is 25mm, and the degree of depth is 9mm; The arc radius of described patrix cutter head lower end is 15-50mm, and the central angle that circular arc is corresponding is 45 °.
Preferably, the shape of described buffering cavity is crescent.
Preferably, the arc radius of described buffering cavity upper surface is 25mm.
Preferably, described buffering cavity is enclosed cavity, and the atmospheric pressure value in cavity is 0.5-1.2MPa.
Preferably, the described upper surface of counterdie formed body and the upper surface of die shoe are positioned at sustained height.
Preferably, the angle between described patrix cutter head and vertical direction is 45 °.
3, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) the utility model comprises mold and bed die, and mold comprises patrix clamping portion and patrix cutter head; Bed die comprises counterdie formed body and die shoe; The cross section of the bottom of patrix cutter head is circular arc; Die shoe is provided with the first groove, and the bottom of the first groove is provided with the second groove, and the second groove provides a cushion space can to mould in the course of the work, and more saves material on manufacturing; Counterdie formed body is arranged on the first groove, the upper surface of counterdie formed body is provided with circular groove, buffering cavity is provided with in the middle part of counterdie formed body, its lower surface is provided with arc-shaped convex, and the material of counterdie formed body is polyurethane, and the counterdie formed body anti-wear performance of polyurethane material is good, and certain buffering contractility can be had, be provided with buffering cavity in the middle part of counterdie formed body, increase the buffer capacity of mould further, increase the accuracy of manufacture of workpiece; The bottom of die shoe is provided with the 3rd groove to fovea superior; The utility model device can adapt to the workpiece processing different arc radius, and bed die and different workpieces degree of fitting is high, and machining accuracy is high, stable, reliable;
(2) radius of the circular groove of the utility model counterdie formed body upper surface is 25mm, and the degree of depth is 9mm, and this shape counterdie formed body is when processing the workpiece of different arc radius, and effect is best, and precision is the highest; The arc radius of patrix cutter head lower end is 15-50mm, and the angle between patrix cutter head and vertical direction is 45 °, and the central angle that circular arc is corresponding is 45 °, adapt to Machining Arc radius within the scope of 15-50mm, the angle on the workpiece both sides workpiece that equals 90 °;
(3) shape of the utility model buffering cavity is crescent, the arc radius of buffering cavity upper surface is 25mm, buffering cavity is enclosed cavity, atmospheric pressure value in cavity is 0.5-1.2MPa, the good form fit with needing processing work of buffering cavity energy, workpiece is played to the effect of buffer protection, increase the machining accuracy of workpiece further;
(4) upper surface of the utility model counterdie formed body and the upper surface of die shoe are positioned at sustained height, are convenient to place workpiece to be processed, make workpiece to be processed maintenance level before processing, improve crudy;
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the schematic diagram of the utility model device processing work;
Fig. 3 is functional principal figure within the scope of the utility model Machining Arc radius 15-25mm;
Fig. 4 is functional principal figure within the scope of the utility model Machining Arc radius 15-50mm;
Work speed curve map when Fig. 5 is workpiece within the scope of the utility model Machining Arc radius 15-25mm;
Work speed curve map when Fig. 6 is workpiece within the scope of the utility model Machining Arc radius 15-50mm.
In figure: 1, patrix clamping portion; 2, patrix cutter head; 3, counterdie formed body; 4, die shoe; 5, cavity is cushioned; 6, workpiece.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described further.
Embodiment 1
As depicted in figs. 1 and 2, a kind of bending machine die processing multi-radian disc, comprises mold and bed die, and mold comprises patrix clamping portion 1 and patrix cutter head 2; Bed die comprises counterdie formed body 3 and die shoe 4; The cross section of the bottom of patrix cutter head 2 is circular arc, and arc radius is 25mm, and the central angle that circular arc is corresponding is 45 °, and the angle between patrix cutter head 2 and vertical direction is 45 °; Die shoe 4 is provided with the first groove, and the bottom of the first groove is provided with the second groove; Counterdie formed body 3 is arranged on the first groove, the upper surface of counterdie formed body 3 and the upper surface of die shoe 4 are positioned at sustained height, and the upper surface of counterdie formed body 3 is provided with circular groove, and the radius of circular groove is 25mm, the degree of depth is 9mm, is provided with buffering cavity 5 in the middle part of counterdie formed body 3; The shape of buffering cavity 5 is crescent, and the arc radius of buffering cavity 5 upper surface is 25mm, and buffering cavity 5 is enclosed cavity, and the atmospheric pressure value in cavity is 0.5MPa; Counterdie formed body 3 lower surface is provided with arc-shaped convex, and the material of counterdie formed body 3 is polyurethane; The bottom of die shoe 4 is provided with the 3rd groove to fovea superior.
Apparatus structure in the present embodiment is simple, in practical work process, arc radius is the patrix cutter head 2 of 25mm, the counterdie formed body 3 that can be 25mm with the radius of circular groove is well combined, the workpiece effect of processing this size is good, precision is high, material is that counterdie formed body 3 wearability of polyurethane is good, there is certain elasticity, well can improve Workpiece Machining Accuracy, and the workpiece processing different arc radius can be adapted to, decrease the processing and manufacturing of reply different size mould, reduce production cost, improve production efficiency.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, use step of the present utility model is:
(A) first die shoe 4 is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body 3 is placed on the first groove;
(C) selection arc radius is the patrix cutter head 2 of 25mm, is fixed in the device for clamping mould on slider of bender by patrix clamping portion 1, and the position of adjustment patrix cutter head 2, makes the circular groove just in time aiming at counterdie formed body 3 bottom it;
(D) be 2mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body 3, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body 3;
(E) bender is started, patrix cutter head 2 is moved down under bender dynamic action, when patrix cutter head 2 contacts with workpiece to be processed, namely during t=0, arranging the speed that patrix cutter head 2 work enters is V=10mm/s, after elapsed time 0.9s, namely during t=0.9s, the curve speed that patrix cutter head 2 work is entered being adjusted to V=10sin (90t+9) with the formula slows down, until V=0, patrix cutter head 2 stops work entering, and returns patrix cutter head 2 fast, for work is entered to prepare next time; Take off workpiece, workpiece Bending Processing completes.
Using method in the present embodiment is simple, quick, safety, whole Bending Processing process only has 1.9s, and can accurately process required workpiece, and operating efficiency is high, not there is resilience in the workpiece most importantly after processing, can be widely used in all kinds of appliance shell bending and molding production line.
Embodiment 2
Process a bending machine die for multi-radian disc, identical with the device in embodiment 1, difference is, the cross section of the bottom of patrix cutter head 2 is circular arc, and arc radius is 50mm; Buffering cavity 5 is enclosed cavity, and the atmospheric pressure value in cavity is 1MPa
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, use step of the present utility model is:
(A) first die shoe 4 is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body 3 is placed on the first groove;
(C) selection arc radius is the patrix cutter head 2 of 50mm, is fixed in the device for clamping mould on slider of bender by patrix clamping portion 1, and the position of adjustment patrix cutter head 2, makes the circular groove just in time aiming at counterdie formed body 3 bottom it;
(D) be 1mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body 3, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body 3;
(E) start bender, patrix cutter head 2 is moved down under bender dynamic action, when patrix cutter head 2 contacts with workpiece to be processed, namely during t=0, arranging the speed that patrix cutter head 2 work enters is V=10mm/s, the elapsed time
after, namely during t=0.384s, the speed that patrix cutter head 2 work is entered is adjusted to the formula
Curve slow down, until V=0, patrix cutter head 2 stops work entering, and returns patrix cutter head 2 fast, for work is entered to prepare next time; Take off workpiece, workpiece Bending Processing completes.
Using method in the present embodiment is simple, fast, safety, whole Bending Processing process only has 1.384s, and can accurately process required workpiece, and operating efficiency is high, workpiece without resilience, good forming effect.
Embodiment 3
Process a bending machine die for multi-radian disc, identical with the device in embodiment 1, difference is, the cross section of the bottom of patrix cutter head 2 is circular arc, and arc radius is 15mm; Buffering cavity 5 is enclosed cavity, and the atmospheric pressure value in cavity is 1.2MPa.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, use step of the present utility model is:
(A) first die shoe 4 is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body 3 is placed on the first groove;
(C) selection arc radius is the patrix cutter head 2 of 15mm, is fixed in the device for clamping mould on slider of bender by patrix clamping portion 1, and the position of adjustment patrix cutter head 2, makes the circular groove just in time aiming at counterdie formed body 3 bottom it;
(D) be 1.5mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body 3, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body 3;
(E) bender is started, patrix cutter head 2 is moved down under bender dynamic action, when patrix cutter head 2 contacts with workpiece to be processed, namely during t=0, arranging the speed that patrix cutter head 2 work enters is V=10mm/s, after elapsed time 0.9s, namely during t=0.9s, the curve speed that patrix cutter head 2 work is entered being adjusted to V=10sin (90t+9) with the formula slows down, until V=0, patrix cutter head 2 stops work entering, and returns patrix cutter head 2 fast, for work is entered to prepare next time; Take off workpiece, workpiece Bending Processing completes.
Claims (7)
1. can process a bending machine die for multi-radian disc, comprise mold and bed die, described mold comprises patrix clamping portion (1) and patrix cutter head (2); Described bed die comprises counterdie formed body (3) and die shoe (4), it is characterized in that: the cross section of the bottom of described patrix cutter head (2) is circular arc; Described die shoe (4) is provided with the first groove, and the bottom of the first groove is provided with the second groove; Described counterdie formed body (3) is arranged on the first groove, the upper surface of counterdie formed body (3) is provided with circular groove, counterdie formed body (3) middle part is provided with buffering cavity (5), its lower surface is provided with arc-shaped convex, and the material of counterdie formed body (3) is polyurethane; The bottom of described die shoe (4) is provided with the 3rd groove to fovea superior.
2. a kind of bending machine die processing multi-radian disc according to claim 1, is characterized in that: the radius of the circular groove of described counterdie formed body (3) upper surface is 25mm, and the degree of depth is 9mm; The arc radius of described patrix cutter head (2) lower end is 15-50mm, and the central angle that circular arc is corresponding is 45 °.
3. a kind of bending machine die processing multi-radian disc according to claim 1, is characterized in that: the shape of described buffering cavity (5) is crescent.
4. a kind of bending machine die processing multi-radian disc according to claim 3, is characterized in that: the arc radius of described buffering cavity (5) upper surface is 25mm.
5. according to a kind of bending machine die processing multi-radian disc in claim 1-4 described in any one, it is characterized in that: described buffering cavity (5) is enclosed cavity, and the atmospheric pressure value in cavity is 0.5-1.2MPa.
6. a kind of bending machine die processing multi-radian disc according to claim 1, is characterized in that: the upper surface of described counterdie formed body (3) and the upper surface of die shoe (4) are positioned at sustained height.
7. a kind of bending machine die processing multi-radian disc according to claim 6, is characterized in that: the angle between described patrix cutter head (2) and vertical direction is 45 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420805887.7U CN204308057U (en) | 2014-12-18 | 2014-12-18 | A kind of bending machine die processing multi-radian disc |
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| CN201420805887.7U CN204308057U (en) | 2014-12-18 | 2014-12-18 | A kind of bending machine die processing multi-radian disc |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399822A (en) * | 2014-12-18 | 2015-03-11 | 安徽力源数控刃模具制造有限公司 | Bending machine mold capable of processing round surfaces with multiple radians and application method of bending machine mold |
| CN105113714A (en) * | 2015-08-19 | 2015-12-02 | 中国扬子集团滁州扬子门业有限公司 | Protecting cabin standing column, bending die and bending method thereof |
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2014
- 2014-12-18 CN CN201420805887.7U patent/CN204308057U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399822A (en) * | 2014-12-18 | 2015-03-11 | 安徽力源数控刃模具制造有限公司 | Bending machine mold capable of processing round surfaces with multiple radians and application method of bending machine mold |
| CN104399822B (en) * | 2014-12-18 | 2016-04-13 | 安徽力源数控刃模具制造有限公司 | A kind of bending machine die processing multi-radian disc |
| CN105113714A (en) * | 2015-08-19 | 2015-12-02 | 中国扬子集团滁州扬子门业有限公司 | Protecting cabin standing column, bending die and bending method thereof |
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