CN210676645U - Bending die capable of controlling resilience of high-strength steel - Google Patents
Bending die capable of controlling resilience of high-strength steel Download PDFInfo
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- CN210676645U CN210676645U CN201921181899.6U CN201921181899U CN210676645U CN 210676645 U CN210676645 U CN 210676645U CN 201921181899 U CN201921181899 U CN 201921181899U CN 210676645 U CN210676645 U CN 210676645U
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Abstract
The utility model discloses a bending die capable of controlling the resilience of high-strength steel, which comprises an upper die and a lower die which can be opened and closed relatively; the upper die comprises an upper die base, an upper backing plate and a material pressing plate which are connected through a guide pillar; the punching head assembly and the upper die spring are further included; the lower die comprises a lower die seat, a lower pad foot, a lower padding plate, a sliding block assembly and a lower die resetting assembly; the utility model discloses a drift subassembly, sliding block assembly, lower mould reset assembly bends the shaping to the product under the effect of punch press, and be pure mechanical structure, be applicable to different thickness, the steel sheet of size is processed, compare in using the cylinder to bend in the past, small advantage has, the mould material has been reduced, do not need debug cylinder pressure repeatedly, the research and development cost has been reduced, go up the mould spring, the lower mould spring all adopts nitrogen spring, the elasticity curve is mild, and do not need the pretension, steel is run when preventing the material loading, and the whole process pressure of shaping is even, avoid appearing the uneven condition of stress.
Description
Technical Field
The utility model relates to a machining technical field, in particular to mould of bending that can control high strength steel kick-backs.
Background
High strength steel is bent and is kick-backed always is cold stamping die's technical difficulty, in current stamping die, to the bending part of sheet material, generally adopt the hydro-cylinder to promote the ejector pad and carry out the shaping, the hydro-cylinder promotes although the shaping piece, but because different thickness, the required pressure of the high strength steel of equidimension is different, just need debug hydro-cylinder pressure repeatedly when changing steel and carrying out processing, research and development cost has been increased, and the hydro-cylinder is when promoting, the pressure value is fixed, can not change along with the change of steel in the mould, cause steel stress distribution inequality easily, the phenomenon of kick-backing appears after the shaping, influence product quality, and the hydro-cylinder occupation space is big, cause the mould to use material many, the cost is increased.
Therefore, a bending die capable of controlling the resilience of the high-strength steel needs to be designed to reduce the research and development cost, reduce the die material and improve the product quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can control mould of bending of high strength steel resilience to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a bending die capable of controlling the resilience of high-strength steel comprises an upper die and a lower die which can be opened and closed relatively; the upper die comprises an upper die base, an upper backing plate and a material pressing plate which are connected through a guide pillar; the upper base plate is arranged at the lower part of the upper die base, and an upper base plate groove is formed in the lower part of the upper base plate; the material pressing plate is arranged below the upper base plate and is fixedly connected with the tail end of the guide pillar; the punching head assembly and the upper die buffer assembly are also included; the punch assembly comprises a punch mounting plate and a forming punch; the punch mounting plate is arranged on the groove of the upper backing plate; the forming punch heads are symmetrically hinged on the punch head mounting plate, the outer sides of the forming punch heads are vertical surfaces and are in contact with the inner wall of the groove of the upper backing plate, the inner sides of the forming punch heads are S-shaped arc surfaces, and the lower parts of the forming punch heads are flush with the lower part of the material pressing plate; the upper die buffer assembly comprises an upper die spring; the upper die spring is a nitrogen spring and is connected between the upper part of the upper die base and the pressure plate; the lower die comprises a lower die seat, a lower padding plate, a sliding block assembly and a lower die resetting assembly; the lower die holder is correspondingly arranged below the upper die holder; the lower backing plate is arranged at the upper part of the lower die base, wherein the upper part of the lower backing plate is provided with a lower backing plate groove, and two sides of the middle part of the lower backing plate are provided with guide inclined planes; the tail end of the guide inclined plane is connected with a lower backing plate arc surface; the arc surface of the lower backing plate is arranged corresponding to the shape of the lower part of the forming punch; the sliding block assembly comprises a sliding block seat and a sliding block; the sliding block seat is arranged on the groove of the lower backing plate, and sliding rails are arranged on two sides of the sliding block seat; the sliding blocks are symmetrically arranged on the sliding block seat and are connected with the sliding rail in a sliding mode, and sliding block arc surfaces which correspond to the S-shaped arc surfaces are arranged on the outer sides of the sliding blocks; the lower die resetting component comprises a lower die spring; the lower die spring is a nitrogen spring, is arranged in the lower backing plate and the lower die base, and is provided with a reset ejection pin at the top; the reset ejection pin penetrates through the lower base plate and is in contact with the sliding block.
Further, the upper die also comprises an upper foot pad; the upper foot pad is arranged on the upper part of the upper die base.
Further, the lower die also comprises a lower pad; the lower foot pad is arranged at the lower part of the lower die base corresponding to the upper foot pad.
Furthermore, the upper die buffer assembly also comprises an upper die spring groove and an upper die spring seat; the upper die spring groove penetrates through the upper die base, the upper base plate and the punch mounting plate; the upper die spring seat is arranged at the upper part of the upper die spring groove; the upper die spring is arranged in the upper die spring groove, the top of the upper die spring is fixedly connected with the upper die spring seat, and the bottom of the upper die spring is contacted with the pressure plate.
Furthermore, the lower die reset assembly also comprises a lower die spring groove and a lower die spring seat; the lower die spring groove penetrates through the lower die base and the lower backing plate, and the upper part of the lower die spring groove is connected with a material ejecting groove; the inner diameter of the material ejecting groove is smaller than that of the lower die spring groove; the lower die spring seat is arranged at the lower part of the lower die spring groove; the lower die spring is arranged in the lower die spring groove.
Furthermore, the reset ejection pin consists of an ejection pin base and an ejection column; the radius of the ejector pin base is matched with the inner diameter of the lower die spring groove; the radius of the material ejecting column is matched with the inner diameter of the material ejecting groove.
Further, the slide rail is a dovetail groove slide rail; the lower part of the sliding block is provided with a boss which corresponds to the sliding rail and is connected with the sliding rail in a sliding way through the boss.
The utility model has the advantages that 1, the occupied space is small, and the material consumption of the die is reduced; the utility model is provided with a punch assembly, a sliding block assembly and a lower die reset assembly; the punch assembly and the sliding block assembly are used for bending and forming a product under the action of the punch press, and compared with the conventional method of bending by using an air cylinder, the punching die has the advantage of small volume and reduces die materials; 2. repeated debugging is not needed, and the research and development cost is reduced; the punch assembly, the sliding block assembly and the lower die reset assembly are used for bending and forming under the extrusion of a punch and the acting force of a spring, the steel plate bending die is of a pure mechanical structure, is suitable for processing steel plates with different thicknesses and sizes, and compared with the conventional method that the steel plate bending die is bent by using an air cylinder, the repeated debugging of the pressure of the air cylinder is not needed, and the research and development cost is reduced; 3. the pressure is uniform, and the rebound condition caused by uneven stress of the product is reduced; an upper die buffer assembly and a lower die reset assembly are arranged; go up mould buffering subassembly including setting up in last mould spring on pressure flitch upper portion, lower mould reset subassembly is including setting up in the lower mould spring of slider lower part, go up the mould spring, the lower mould spring all adopts nitrogen spring, the elasticity curve is mild, and do not need the pretension, can provide initial spring pressure when the material area is put on the slider and press from both sides the material area tightly, prevent the off-position, and the shaping drift, lower bolster arc surface, the shaping face of slider corresponds the setting, when the punch press moves down on driving, the fine material area of bending of ability, cooperation nitrogen spring's use, make whole process pressure even, avoid appearing the uneven condition of stress.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a partial enlarged view of the point A of the present invention;
FIG. 3 is a flow chart of the present invention;
fig. 4 is a flowchart of the present invention.
1. A guide post; 2. an upper die holder; 3. a foot pad is arranged; 4. an upper base plate; 5. a material pressing plate; 6. an upper backing plate groove; 11. a punch mounting plate; 12. forming a punch; 13. an S-shaped arc surface; 14. a material belt; 21. an upper die spring groove; 22. an upper die spring seat; 23. an upper die spring; 31. a lower die holder; 32. a lower foot pad; 33. a lower base plate; 34. a lower bolster recess; 35. a guide ramp; 36. the arc surface of the lower backing plate; 41. a slider seat; 42. a slider; 43. a slide rail; 44. the arc surface of the sliding block; 51. a lower die spring groove; 52. a lower die spring seat; 53. a lower die spring; 54. resetting the ejection pin; 55. a material ejecting groove; 56. a knock-out pin base; 57. and (4) ejecting the material column.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.
As shown in fig. 1 to 4, a bending die capable of controlling the resilience of high-strength steel comprises an upper die and a lower die which can be opened and closed relatively;
the upper die comprises an upper die base 2, an upper pad 3, an upper backing plate 4 and a material pressing plate 5 which are connected through a guide pillar 1; the upper pad feet 3 are arranged at the upper part of the upper die holder 2; the upper backing plate 4 is arranged at the lower part of the upper die holder 2, and an upper backing plate groove 6 is arranged at the lower part of the upper backing plate; the material pressing plate 5 is arranged below the upper backing plate 4 and is fixedly connected with the tail end of the guide pillar 1;
the punching head assembly and the upper die buffer assembly are also included; the punch assembly comprises a punch mounting plate 11 and a forming punch 12; the punch mounting plate 11 is arranged on the upper backing plate groove 6; the forming punch 12 is symmetrically hinged on the punch mounting plate 11, the outer side of the forming punch is a vertical surface and is in contact with the inner wall of the upper backing plate groove 6, the inner side of the forming punch is an S-shaped arc surface 13, and the lower part of the forming punch is flush with the lower part of the material pressing plate 5;
the upper die buffer assembly comprises an upper die spring groove 21, an upper die spring seat 22 and an upper die spring 23; the upper die spring groove 21 penetrates through the upper die base 2, the upper backing plate 4 and the punch mounting plate 11; the upper die spring seat 22 is arranged at the upper part of the upper die spring groove 21; the upper die spring 23 is a nitrogen spring, is arranged in the upper die spring groove 21, is fixedly connected with the upper die spring seat 22 at the top and is contacted with the pressure plate 5 at the bottom;
the lower die comprises a lower die seat 31, lower cushion feet 32, a lower cushion plate 33, a sliding block assembly and a lower die resetting assembly; the lower foot pad 32 is arranged at the lower part of the lower die holder 31 corresponding to the upper foot pad 3; the lower die holder 31 is correspondingly arranged below the upper die holder 2; the lower backing plate 33 is arranged at the upper part of the lower die holder 31, wherein the upper part is provided with a lower backing plate groove 34, and two sides of the middle part are provided with guide inclined planes 35; the tail end of the guide inclined plane 35 is connected with a lower backing plate arc surface 36; the lower backing plate arc surface 36 is arranged corresponding to the shape of the lower part of the forming punch 12;
the sliding block assembly comprises a sliding block seat 41 and a sliding block 42; the slide block seat 41 is arranged on the lower cushion plate groove 34, and slide rails 43 are arranged on two sides of the slide block seat; the sliding blocks 42 are symmetrically arranged on the sliding block seat 41 and are connected with the sliding rails 43 in a sliding manner, and sliding block arc surfaces 44 corresponding to the S-shaped arc surfaces 13 are arranged on the outer sides of the sliding blocks; the slide rail 43 adopts a dovetail groove slide rail; a boss arranged corresponding to the slide rail 43 is arranged at the lower part of the slide block 42 and is connected with the slide rail 43 in a sliding way through the boss;
the lower die resetting component comprises a lower die spring groove 51, a lower die spring seat 52, a lower die spring 53 and a resetting ejection pin 54; the lower die spring groove 51 penetrates through the lower die base 31 and the lower backing plate 33, and the upper part of the lower die spring groove is connected with a material ejecting groove 55; the inner diameter of the material ejecting groove 55 is smaller than that of the lower die spring groove 51; the lower die spring seat 52 is arranged at the lower part of the lower die spring groove 51; the lower die spring 53 is a nitrogen spring and is arranged in the lower die spring groove 51; the reset material ejecting pin 54 is arranged at the top of the lower die spring 53, extends out of the material ejecting groove 55 and is in contact with the sliding block 42; the reset ejection pin 54 consists of an ejection pin base 56 and an ejection column 57; the radius of the ejector pin base 56 is matched with the inner diameter of the lower die spring groove 51; the radius of the material ejecting column 57 is matched with the inner diameter of the material ejecting groove 55.
The working principle is as follows:
the method comprises the following steps: the material belt 14 is placed on a sliding block 42 of the lower die, and the material pressing plate 5 and the sliding block 42 are respectively extruded by the initial spring pressure of the upper die spring 23 and the lower die spring 53 and clamp the material belt 14;
step two: the punch drives the upper die to move downwards, the reset ejection pin 54 is extruded to extrude the lower die spring 53 downwards, and the slide block 42 drives the material belt 14 to move downwards along the slide rail 43 of the slide block seat 41 in an inclined mode until the slide block 42 moves to the tail end of the stroke of the slide rail 43;
step three: continuing to refer to fig. 3, while the upper die and the slide block 42 move downward in the second step, the forming punch 12 rotates inward under the action of the guide inclined plane 35, and the strip 14 is bent and formed under the action of the slide block 42, the forming punch 12 and the lower pad arc surface 36;
step four: with continued reference to fig. 4, after the material strip 14 is bent and formed, the punch drives the upper die to move upward to the initial position, the forming punch 12 is released from the bent portion of the product, and meanwhile, the lower die spring 53 rebounds, and the reset ejector pin 54 drives the slider 42 to move upward and eject the product upward.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a mould of bending that can control high strength steel kick-backs which characterized in that: comprises an upper die and a lower die which can be opened and closed relatively; the upper die comprises an upper die base, an upper backing plate and a material pressing plate which are connected through a guide pillar; the upper base plate is arranged at the lower part of the upper die base, and an upper base plate groove is formed in the lower part of the upper base plate; the material pressing plate is arranged below the upper base plate and is fixedly connected with the tail end of the guide pillar; the punching head assembly and the upper die buffer assembly are also included; the punch assembly comprises a punch mounting plate and a forming punch; the punch mounting plate is arranged on the groove of the upper backing plate; the forming punch heads are symmetrically hinged on the punch head mounting plate, the outer sides of the forming punch heads are vertical surfaces and are in contact with the inner wall of the groove of the upper backing plate, the inner sides of the forming punch heads are S-shaped arc surfaces, and the lower parts of the forming punch heads are flush with the lower part of the material pressing plate; the upper die buffer assembly comprises an upper die spring; the upper die spring is a nitrogen spring and is connected between the upper part of the upper die base and the pressure plate; the lower die comprises a lower die seat, a lower padding plate, a sliding block assembly and a lower die resetting assembly; the lower die holder is correspondingly arranged below the upper die holder; the lower backing plate is arranged at the upper part of the lower die base, wherein the upper part of the lower backing plate is provided with a lower backing plate groove, and two sides of the middle part of the lower backing plate are provided with guide inclined planes; the tail end of the guide inclined plane is connected with a lower backing plate arc surface; the arc surface of the lower backing plate is arranged corresponding to the shape of the lower part of the forming punch; the sliding block assembly comprises a sliding block seat and a sliding block; the sliding block seat is arranged on the groove of the lower backing plate, and sliding rails are arranged on two sides of the sliding block seat; the sliding blocks are symmetrically arranged on the sliding block seat and are connected with the sliding rail in a sliding mode, and sliding block arc surfaces which correspond to the S-shaped arc surfaces are arranged on the outer sides of the sliding blocks; the lower die resetting component comprises a lower die spring; the lower die spring is a nitrogen spring, is arranged in the lower backing plate and the lower die base, and is provided with a reset ejection pin at the top; the reset ejection pin penetrates through the lower base plate and is in contact with the sliding block.
2. The bending die capable of controlling the resilience of the high-strength steel according to claim 1, wherein: the upper die also comprises an upper foot pad; the upper foot pad is arranged on the upper part of the upper die base.
3. The bending die capable of controlling the resilience of the high-strength steel according to claim 2, wherein: the lower die also comprises a lower pad; the lower foot pad is arranged at the lower part of the lower die base corresponding to the upper foot pad.
4. The bending die capable of controlling the resilience of the high-strength steel according to claim 1, wherein: the upper die buffer assembly also comprises an upper die spring groove and an upper die spring seat; the upper die spring groove penetrates through the upper die base, the upper base plate and the punch mounting plate; the upper die spring seat is arranged at the upper part of the upper die spring groove; the upper die spring is arranged in the upper die spring groove, the top of the upper die spring is fixedly connected with the upper die spring seat, and the bottom of the upper die spring is contacted with the pressure plate.
5. The bending die capable of controlling the resilience of the high-strength steel according to claim 1, wherein: the lower die reset assembly also comprises a lower die spring groove and a lower die spring seat; the lower die spring groove penetrates through the lower die base and the lower backing plate, and the upper part of the lower die spring groove is connected with a material ejecting groove; the inner diameter of the material ejecting groove is smaller than that of the lower die spring groove; the lower die spring seat is arranged at the lower part of the lower die spring groove; the lower die spring is arranged in the lower die spring groove.
6. The bending die capable of controlling the resilience of the high-strength steel according to claim 5, wherein: the reset ejection pin consists of an ejection pin base and an ejection column; the radius of the ejector pin base is matched with the inner diameter of the lower die spring groove; the radius of the material ejecting column is matched with the inner diameter of the material ejecting groove.
7. The bending die capable of controlling the resilience of the high-strength steel according to claim 1, wherein: the slide rail adopts a dovetail groove slide rail; the lower part of the sliding block is provided with a boss which corresponds to the sliding rail and is connected with the sliding rail in a sliding way through the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181899.6U CN210676645U (en) | 2019-07-25 | 2019-07-25 | Bending die capable of controlling resilience of high-strength steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181899.6U CN210676645U (en) | 2019-07-25 | 2019-07-25 | Bending die capable of controlling resilience of high-strength steel |
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| CN210676645U true CN210676645U (en) | 2020-06-05 |
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| CN201921181899.6U Active CN210676645U (en) | 2019-07-25 | 2019-07-25 | Bending die capable of controlling resilience of high-strength steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303093A (en) * | 2019-07-25 | 2019-10-08 | 广东天倬智能装备科技有限公司 | A bending die capable of controlling springback of high-strength steel and its application method |
-
2019
- 2019-07-25 CN CN201921181899.6U patent/CN210676645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303093A (en) * | 2019-07-25 | 2019-10-08 | 广东天倬智能装备科技有限公司 | A bending die capable of controlling springback of high-strength steel and its application method |
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| CP02 | Change in the address of a patent holder |
Address after: 523000 Building 1, No. 90 Chongde Road, Hengli Town, Dongguan City, Guangdong Province Patentee after: GUANGDONG TIANZHUO INTELLIGENT EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 523000 peach garden high tech Industrial Park, Hengli Town, Dongguan, Guangdong Patentee before: GUANGDONG TIANZHUO INTELLIGENT EQUIPMENT TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |