CN104801610A - Automobile covering element punching mold structure - Google Patents
Automobile covering element punching mold structure Download PDFInfo
- Publication number
- CN104801610A CN104801610A CN201510203462.8A CN201510203462A CN104801610A CN 104801610 A CN104801610 A CN 104801610A CN 201510203462 A CN201510203462 A CN 201510203462A CN 104801610 A CN104801610 A CN 104801610A
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- China
- Prior art keywords
- blank holder
- punch
- parts
- die shoe
- catch
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention provides an automobile covering element punching mold structure, which is applied to the technical field of an automobile part production mold. A male mold (4) is movably arranged in a cavity part (5) formed in an edge pressing ring (3) of the mold structure, the bottom of the cavity part (5) is provided with a bottom connecting component (6) passing through the cavity part (5), one end of the connecting component (6) is abutted against the bottom of the male mold (4), the other end of the collecting part (6) extends to the outer part of the edge pressing ring (3), a lower mold seat (2) is arranged in a position under the edge pressing ring (3), when the edge pressing ring (3) and the collecting component (6) are abutted against the lower mold seat (2), and the male mold (4) and a male mold upper end part (7) are made into a structure extending out of an edge pressing ring surface (13) of the edge pressing ring (3). The mold structure has the advantages that the forming of an automobile covering element with convex bars can be conveniently and fast completed, the covering element forming coincidence rate is improved, and the integral quality of the covering element is improved.
Description
Technical field
The invention belongs to auto parts and components production mould technical field, more particularly, relate to a kind of stamping die of automotive covering part structure.
Background technology
In recent years, along with the development of process industry, pursuit product quality and saving manufacturing cost become the two large problems that enterprise shows great attention to.At present, the automobile panel such as floor behind similar floor, its surperficial convex tendon is more, in the past mould molding, is all common blank holder convex tendon free forming, and postorder post forming.But this part forming die and method, mould flange face is comparatively large, and profile is comparatively dark, and in forming process, sheet material flowing is larger, and when sheet material flows through boss, product sclerosis on plate, forming vestige cannot eliminate.And patrix and blank holder when closing plate wrinkling, greatly reduce plate coincidence rate, affect plate total quality.Meanwhile, post forming easily causes flange face resilience warpage, and flange face forming process completes at two-step, and die debugging rectification needs to rectify and improve two sequences simultaneously, and debugging difficulty strengthens, rectification difficulty, the corresponding increase of cost.
Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, there is provided a kind of structure simple, under the prerequisite not increasing operation and cost, the punch forming of the automobile panel of band convex tendon can be completed quickly and easily, effectively can solve the wrinkling and bounce-back twisted phenomena in covering forming process, thus greatly improve the shaping coincidence rate of covering, promote the stamping die of automotive covering part structure of covering total quality.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of stamping die of automotive covering part structure, comprise patrix, die shoe, blank holder and punch, described blank holder is arranged the cavity portion of multiple hollow, a movable installation punch in each cavity portion, multiple activity is set bottom cavity portion and catches parts through bottom cavity portion, catch parts one end and be resisted against male bottom, catch the parts other end and extend to blank holder outside, die shoe is arranged on blank holder lower position, described blank holder and catch parts when being resisted against on die shoe, the punch upper end of punch is set to the structure on the blank holder surface of extending blank holder.
Described blank holder lower position arranges machine body, and arrange the push rod that can control blank holder lifting between machine body and blank holder, push rod is connected with control assembly, and when described mould structure does not work, push rod is set to the structure of blank holder jack-up.
Described patrix with can control the control assembly that patrix is elevated and be connected, described punch with catch the structure that part length sum is set to be greater than blank holder thickness, institute's blank holder and catch parts when being resisted against on die shoe, the position that punch upper end extends the blank holder surface of blank holder is set to process on plate the structure of convex tendon.
Described parts of catching comprise body and end head, and end head is set to the structure that diameter dimension is greater than body diameter dimension, and structure in T shape between body and end head, end head is set to the structure of the cavity portion being positioned at blank holder.
Described each catching below parts arranges a dead block of pier respectively, and the dead block of multiple pier is all fixedly installed on die shoe, when described blank holder is resisted against on die shoe, catches parts and is set to be resisted against the structure on the dead block of pier.
Described punch, catch the structure that parts and the dead block length sum of pier are set to be greater than blank holder thickness.
Adopt technical scheme of the present invention, following beneficial effect can be obtained:
Stamping die of automotive covering part structure of the present invention, when mould structure does not work, between patrix and blank holder, between die shoe and blank holder, be in released state respectively, at this moment, because the parts of catching of punch and bottom thereof do not receive extraneous pressure, catch parts and be in hang, the punch upper end of punch and blank holder surface are in the position of same level line, need when being processed into satisfactory automobile panel as the plate of former material, be placed on blank holder by needing the plate of processing, plate is placed on blank holder steady, efficiently solve the problem that the problem of subsiding causes plate to be out of shape.Then, control patrix by control assembly to move down, finally act on blank holder, at this moment patrix continues to move down, punch is subject to ambient pressure not yet, and punch does not participate in plate forming, and therefore plate play can not occur in upper molding compound process, plate also there will not be the wrinkling because free forming causes simultaneously, efficiently solves the problem that plate is wrinkling under pressure.Patrix continues to move down, patrix, blank holder and die shoe are closed together, at this moment catching parts is resisted against on die shoe, die shoe stops moving down, force is on punch, the punch upper end of punch extends the blank holder surface of blank holder, thus processes convex tendon on plate, completes the punch process of automobile panel.Mould structure of the present invention, structure is simple, under the prerequisite not increasing operation and cost, the punch forming of the automobile panel of band convex tendon can be completed quickly and easily, effectively can solve the wrinkling and bounce-back twisted phenomena in covering forming process, greatly improve the shaping coincidence rate of covering, promote covering total quality.
Accompanying drawing explanation
Brief description is made to the content expressed by each accompanying drawing of this description and the mark in figure below:
Fig. 1 is the structural representation of stamping die of automotive covering part structure of the present invention;
Accompanying drawing acceptance of the bid note is respectively: 1, patrix; 2, die shoe; 3, blank holder; 4, punch; 5, cavity portion; 6, parts are caught; 7, punch upper end; 8, control assembly; 9, body; 10, end head; 11, the dead block of pier; 12, plate; 13, blank holder surface.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail:
As shown in Figure 1, the present invention is a kind of stamping die of automotive covering part structure, comprise patrix 1, die shoe 2, blank holder 3 and punch 4, described blank holder 3 is arranged the cavity portion 5 of multiple hollow, a movable installation punch 4 in each cavity portion 5, multiple activity is set bottom cavity portion 5 and catches parts 6 through bottom cavity portion 5, catching parts 6 one end is resisted against bottom punch 4, catch parts 6 other end and extend to blank holder 3 outside, die shoe 2 is arranged on blank holder 3 lower position, described blank holder 3 and catch parts 6 when being resisted against on die shoe 2, the punch upper end 7 of punch 4 is set to the structure on the blank holder surface 13 of extending blank holder 3.Said structure, when mould structure does not work, between patrix and blank holder, between die shoe and blank holder, be in released state respectively, at this moment, because the parts of catching of punch and bottom thereof do not receive extraneous pressure, catch parts and be in hang, the punch upper end of punch and blank holder surface are in the position of same level line, need when being processed into satisfactory automobile panel as the plate of former material, the plate of processing will be needed to be placed on blank holder, and plate is placed on blank holder steady, efficiently solves the problem that the problem of subsiding causes plate to be out of shape.Then, control patrix by control assembly to move down, finally act on blank holder, at this moment patrix continues to move down, punch does not still receive ambient pressure, and punch does not participate in plate forming, and therefore plate play can not occur in upper molding compound process, plate also there will not be the wrinkling because free forming causes simultaneously, efficiently solves the problem that plate is wrinkling under pressure.Patrix continues to move down, patrix, blank holder and die shoe are closed together, at this moment catching parts is resisted against on die shoe, die shoe stops moving down, force is on punch, the punch upper end 7 of punch 4 extends the blank holder surface 13 of blank holder 3, thus processes convex tendon on plate, completes the punch process of automobile panel.Mould structure of the present invention, structure is simple, under the prerequisite not increasing operation and cost, the punch forming of the automobile panel of band convex tendon can be completed quickly and easily, effectively can solve the wrinkling and bounce-back twisted phenomena in covering forming process, greatly improve the shaping coincidence rate of covering, promote covering total quality.
Described blank holder 3 lower position arranges machine body, and arrange the push rod that can control blank holder 3 and be elevated between machine body and blank holder 3, push rod is connected with control assembly 8, and when described mould structure does not work, push rod is set to the structure of blank holder 3 jack-up.Said structure is arranged, and when mould structure does not work, control assembly controls push rod by blank holder jack-up, like this, catch between parts and die shoe and depart from, punch and catch parts and be all in the state of naturally drooping, the punch upper end of the punch position that be in same level line surperficial with blank holder.Now, also depart between patrix and blank holder, thus be convenient to the placement of plate, said structure, the disengaging caught between parts and die shoe can be conducive to.
Described patrix 1 with can control the control assembly 8 that patrix 1 is elevated and be connected, described punch 4 with catch the structure that parts 6 length sum is set to be greater than blank holder 3 thickness, institute's blank holder 3 and catch parts 6 when being resisted against on die shoe 2, the position that punch upper end 7 extends the blank holder surface 13 of blank holder 3 is set to process on plate 12 structure of convex tendon.Said structure, punch with catch the size that part length sum is greater than blank holder thickness, blank holder 3 and catch parts 6 when being resisted against on die shoe 2, the punch upper end 7 of punch 4 extends the size on blank holder surface 13, the bump sizes of the convex tendon namely plate formed, such structure, is controlled by process convex tendon being participated in plate forming, thus the wrinkling and bounce-back twisted phenomena that can effectively solve in covering forming process, greatly improve the shaping coincidence rate of covering.
Described parts 6 of catching comprise body 9 and end head 10, end head 10 is set to the structure that diameter dimension is greater than body 9 diameter dimension, structure in T shape between body 9 and end head 10, end head 10 is set to the structure of the cavity portion 5 being positioned at blank holder 3.Such structure, when mould structure does not work, end head is positioned at cavity portion, and catching parts can not fall down from blank holder.
Mould structure of the present invention, when patrix continues to move down, patrix, blank holder and die shoe are by time closed together, punch starts to participate in plate forming, now plate is through the abundant stretching of forming process, each position is in yield strength Near The Critical Point just, this time binder surface increases locally-shapedly can effectively discharge plate residual stress, suppresses resilience to produce.Thus effectively improve the total quality of shaping plate.
Described each catching below parts 6 arranges a dead block 11 of pier respectively, and the dead block 11 of multiple pier is all fixedly installed on die shoe 2, when described blank holder 3 is resisted against on die shoe 2, catches parts 6 and is set to be resisted against the structure on the dead block 11 of pier.Such structure, when patrix moves down, catches parts and finally can be resisted against on the dead block of pier, and described punch 4, catches the structure that parts 6 and pier dead block 11 length sum are set to be greater than blank holder 3 thickness.So just guarantee that punch upper end extends the size on blank holder surface.
Stamping die of automotive covering part structure of the present invention, when mould structure does not work, between patrix and blank holder, between die shoe and blank holder, be in released state respectively, at this moment, because the parts of catching of punch and bottom thereof do not receive extraneous pressure, catch parts and be in hang, the punch upper end of punch and blank holder surface are in the position of same level line, need when being processed into satisfactory automobile panel as the plate of former material, be placed on blank holder by needing the plate of processing, plate is placed on blank holder steady, efficiently solve the problem that the problem of subsiding causes plate to be out of shape.Then, control patrix by control assembly to move down, finally act on blank holder, at this moment patrix continues to move down, punch is subject to ambient pressure not yet, and punch does not participate in plate forming, and therefore plate play can not occur in upper molding compound process, plate also there will not be the wrinkling because free forming causes simultaneously, efficiently solves the problem that plate is wrinkling under pressure.Patrix continues to move down, patrix, blank holder and die shoe are closed together, at this moment catching parts is resisted against on die shoe, die shoe stops moving down, force is on punch, the punch upper end of punch extends the blank holder surface of blank holder, thus processes convex tendon on plate, completes the punch process of automobile panel.Mould structure of the present invention, structure is simple, under the prerequisite not increasing operation and cost, the punch forming of the automobile panel of band convex tendon can be completed quickly and easily, effectively can solve the wrinkling and bounce-back twisted phenomena in covering forming process, greatly improve the shaping coincidence rate of covering, promote covering total quality.
Above by reference to the accompanying drawings to invention has been exemplary description; the concrete realization of obvious the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasions, all in protection scope of the present invention without to improve.
Claims (6)
1. a stamping die of automotive covering part structure, comprise patrix (1), die shoe (2), blank holder (3) and punch (4), it is characterized in that: the cavity portion (5) described blank holder (3) being arranged multiple hollow, a movable installation punch (4) in each cavity portion (5), cavity portion (5) bottom arranges multiple activity and catches parts (6) through cavity portion (5) bottom, catch parts (6) one end and be resisted against punch (4) bottom, catch parts (6) other end and extend to blank holder (3) outside, die shoe (2) is arranged on blank holder (3) lower position, described blank holder (3) and catch parts (6) be resisted against die shoe (2) upper time, the punch upper end (7) of punch (4) is set to the structure on the blank holder surface (13) of extending blank holder (3).
2. stamping die of automotive covering part structure according to claim 1, it is characterized in that: described blank holder (3) lower position arranges machine body, the push rod that can control blank holder (3) and be elevated is set between machine body and blank holder (3), push rod is connected with control assembly (8), when described mould structure does not work, push rod is set to the structure of blank holder (3) jack-up.
3. stamping die of automotive covering part structure according to claim 2, it is characterized in that: described patrix (1) with can control the control assembly (8) that patrix (1) is elevated and be connected, described punch (4) with catch the structure that parts (6) length sum is set to be greater than blank holder (3) thickness, institute's blank holder (3) and catch parts (6) be resisted against die shoe (2) upper time, the position that punch upper end (7) extends the blank holder surface (15) of blank holder (3) is set to process on plate (12) structure of convex tendon.
4. stamping die of automotive covering part structure according to claim 2, it is characterized in that: described parts (6) of catching comprise body (9) and end head (10), end head (10) is set to the structure that diameter dimension is greater than body (9) diameter dimension, structure in T shape between body (9) and end head (10), end head (10) is set to the structure of the cavity portion (5) being positioned at blank holder (3).
5. stamping die of automotive covering part structure according to claim 2, it is characterized in that: described each parts (6) below of catching arranges a dead block of pier (11) respectively, the dead block of multiple pier (11) is all fixedly installed on die shoe (2), when described blank holder (3) is resisted against on die shoe (2), catches parts (6) and be set to be resisted against the structure on the dead block of pier (11).
6. stamping die of automotive covering part structure according to claim 5, is characterized in that: described punch (4), catch the structure that parts (6) and the dead block of pier (11) length sum are set to be greater than blank holder (3) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510203462.8A CN104801610A (en) | 2015-04-24 | 2015-04-24 | Automobile covering element punching mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510203462.8A CN104801610A (en) | 2015-04-24 | 2015-04-24 | Automobile covering element punching mold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104801610A true CN104801610A (en) | 2015-07-29 |
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ID=53687046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510203462.8A Pending CN104801610A (en) | 2015-04-24 | 2015-04-24 | Automobile covering element punching mold structure |
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| Country | Link |
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| CN (1) | CN104801610A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311906A (en) * | 2016-11-01 | 2017-01-11 | 天津职业技术师范大学 | Automobile covering part die and finite element calculation point cloud device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202224531U (en) * | 2011-09-30 | 2012-05-23 | 联伟汽车零部件(重庆)有限公司 | Drawing die for processing parts made of high-tension material |
| CN202263837U (en) * | 2011-09-06 | 2012-06-06 | 浙江黄岩冲模厂 | Over-drawing die with movable drawing rib for high-strength plate |
| CN103861958A (en) * | 2014-03-15 | 2014-06-18 | 富士瑞鹄技研（芜湖）有限公司 | Stamping die with drawing rib and forming technology of stamping die |
| CN203917623U (en) * | 2014-06-04 | 2014-11-05 | 瑞鹄汽车模具有限公司 | A kind of punching die structure |
| CN204018525U (en) * | 2014-07-14 | 2014-12-17 | 北汽福田汽车股份有限公司 | Mould |
-
2015
- 2015-04-24 CN CN201510203462.8A patent/CN104801610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202263837U (en) * | 2011-09-06 | 2012-06-06 | 浙江黄岩冲模厂 | Over-drawing die with movable drawing rib for high-strength plate |
| CN202224531U (en) * | 2011-09-30 | 2012-05-23 | 联伟汽车零部件(重庆)有限公司 | Drawing die for processing parts made of high-tension material |
| CN103861958A (en) * | 2014-03-15 | 2014-06-18 | 富士瑞鹄技研（芜湖）有限公司 | Stamping die with drawing rib and forming technology of stamping die |
| CN203917623U (en) * | 2014-06-04 | 2014-11-05 | 瑞鹄汽车模具有限公司 | A kind of punching die structure |
| CN204018525U (en) * | 2014-07-14 | 2014-12-17 | 北汽福田汽车股份有限公司 | Mould |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311906A (en) * | 2016-11-01 | 2017-01-11 | 天津职业技术师范大学 | Automobile covering part die and finite element calculation point cloud device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |
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| RJ01 | Rejection of invention patent application after publication |