CN103317000B - Door frame first knife blanking die - Google Patents

Door frame first knife blanking die Download PDF

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Publication number
CN103317000B
CN103317000B CN201310293427.0A CN201310293427A CN103317000B CN 103317000 B CN103317000 B CN 103317000B CN 201310293427 A CN201310293427 A CN 201310293427A CN 103317000 B CN103317000 B CN 103317000B
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die
door frame
top board
lifting top
stripper
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CN103317000A (en
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翟鸿轩
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ZHUMADIAN ZHAYASHAN DOOR INDUSTRY Co Ltd
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ZHUMADIAN ZHAYASHAN DOOR INDUSTRY Co Ltd
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  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention provides a door frame first knife blanking die which comprises an upper die, a lower die and a driving mechanism driving the upper die to do reciprocating motion in an up-and-down mode. The upper die comprises a stripper plate and a male die arranged on the stripper plate in a sliding and penetrating mode, the lower die comprises a female die, and the female die and the stripper plate form a clamping structure for clamping a door frame sectional material. The upper end face of the female die and the lower end face of the stripper plate are provided with a female die clamping curved surface matched with the upper surface of a clamped part of the door frame sectional material in a fitted mode and a stripper plate clamping curved surface matched with the lower surface of the clamped part of the door frame sectional material in a fitted mode respectively, the female die is provided with a die hole allowing the male die to be inserted into, the bottom of the male die is matched with a frontal projective plane of a blanking part of the door frame sectional material, and the die hole is matched with the male die in a fitted mode to jointly form a first knife blanking structure for blanking the blanking part. The door frame first knife blanking die has the advantages of being scientific in design, carrying out first knife blanking on the two ends of the door frame sectional material with the upper curved surface and the lower curved surface, and being good in clamping and blanking effects, high in blanking precision and free from influences of the shape of the door frame sectional material in blanking motion.

Description

Door frame first knife blanking die
Technical field
The present invention relates to a kind of blanking die, specifically, relate to a kind of for the door frame first knife blanking die in doorframe manufacture.
Background technology
The method of traditional fabrication doorframe first carries out stamping-out to sheet metal, then carries out bending, finally the section bar after several bending carried out splicing and be mounted to doorframe.There is following shortcoming in this production method: workman needs to carry out bending process according to the notch geometry after stamping-out to sheet metal, because human error easily causes the dislocation of bending part and notch geometry, the section bar obtained through bending is caused not mate mutually when splicing, and the Measures compare of first stamping-out bending is again wasted time and energy, and working (machining) efficiency is low.In order to overcome the above problems, people select first to carry out clod wash process to sheet metal, obtain doorframe, then carry out stamping-out to the two ends of doorframe, the two ends of doorframe are had be convenient to the structure of splicing.Because the cross-sectional structure of doorframe is complicated, so in concrete blanking process, need first to carry out the first cutter stamping-out to the middle part of doorframe one end, stamping-out goes out a U-shaped gap, then carries out the second cutter stamping-out to the side of U-shaped gap.But, in existing blanking die, be not applicable to the matching die of this complicated cross section doorframe.
In order to solve above Problems existing, people are seeking a kind of desirable technical solution always.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, thus a kind of design science be provided, on upper and lower surface be that the first cutter stamping-out is carried out at the doorframe two ends of curved surface, stamping-out clamping is stable firmly, punching precision is high, blanking movement is by the door frame first knife blanking die that doorframe shape affects.
To achieve these goals, the technical solution adopted in the present invention is: a kind of door frame first knife blanking die, comprise patrix, counterdie and the driving mechanism driving patrix to pump, described patrix comprises stripper and the punch be located on this stripper that slides, described counterdie comprises die, described die and described stripper form the clamp structure for clamping doorframe, the upper surface of described die and the lower surface of described stripper have for being clamped curved surface and stripper clamps curved surface with doorframe by the coincide die that coordinates of clamping part upper and lower surface respectively, described die has the nib inserted for described punch, the frontal plane of projection in the stamping-out portion of described male bottom and described doorframe coincide, and described nib and described punch coincide the first cutter blanking structure coordinating and be jointly configured for stamping-out portion described in stamping-out.
Based on above-mentioned, described punch sidewall offers the horizontal cut for holding doorframe edge.
Based on above-mentioned, the shape of cross section of described curved surface is " Z " font curve shape or " W " type curve shape.
Based on above-mentioned, described die is located on base, the top of described punch is located on lifting top board, described stripper is slidably arranged on described lifting top board by guiding mechanism, elastic component is provided with between described lifting top board and described stripper, when standby, the bottom of described punch is higher than the bottom of described stripper.
Based on above-mentioned, described guiding mechanism comprises the guide post be installed on described stripper, and described guide post slides and to be located on described lifting top board and the top of described guide post is provided with the limited block preventing this guide post from departing from described lifting top board.
Based on above-mentioned, the lower surface of described lifting top board is provided with backing plate, the lower surface of described backing plate sets firmly guide pad, described punch and described guide pad removably connect, the lower surface of described guide pad is lower than the lower surface of described punch, and described die is provided with the jack coordinated with described guide pad grafting.
Based on above-mentioned, described base is provided with spring stack, and the top of described spring stack to be located on described lifting top board and to be slidably matched with described lifting top board, and described spring stack is provided with the reseting pressuring spring for being resetted by lifting top board.
Based on above-mentioned, described base is provided with lead, and the top of described lead to be located on described lifting top board and to be slidably matched with described lifting top board, and the top of described lead is provided with limiting section.
Hinge structure of the present invention has outstanding substantive distinguishing features and significant progress, specifically, the present invention utilizes the die with curved surface and stripper to carry out stablizing to the doorframe that upper and lower surface is curved surface and firmly clamp, punch is utilized to carry out stamping-out to stamping-out portion, achieve the first cutter stamping-out to doorframe, avoid human error that in original technique, after first stamping-out, bending brings and bending misplaces, the manufacture craft precision that improve doorframe coordinates accuracy with installation.By arranging horizontal cut and backing plate, the doorframe making height bending degree different all can by this Mould Machining.This door frame first knife blanking die has design science, on upper and lower surface be that the first cutter stamping-out is carried out at the doorframe two ends of curved surface, stamping-out clamping is stable firmly, punching precision is high, blanking movement is by the advantage that doorframe shape affects.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of convex mould of the present invention, stripper and guide pad.
Fig. 3 is the structural representation of die in the present invention.
Fig. 4 is the structural representation of doorframe in the present invention.
Fig. 5 is operating diagram of the present invention.
In figure: 1. stripper; 2. punch; 3. die; 4. doorframe; 5. nib; 6. stamping-out portion; 7. horizontal cut; 8. base; 9. be elevated top board; 10. elastic component; 11. guide posts; 12. backing plates; 13. guide pads; 14. spring stacks; 15. leads.
Detailed description of the invention
Below by detailed description of the invention, technical scheme of the present invention is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, a kind of door frame first knife blanking die, comprise patrix, counterdie and the driving mechanism driving patrix to pump, described patrix comprises stripper 1 and the punch 2 be located on this stripper 1 that slides, described counterdie comprises die 3, described die 3 and described stripper 1 form the clamp structure for clamping doorframe 4, the upper surface of described die 3 and the lower surface of described stripper 1 have for being clamped curved surface and stripper clamps curved surface with doorframe 4 by the coincide die that coordinates of clamping part upper and lower surface respectively, described die 3 has the nib 5 inserted for described punch 2, coincide with the frontal plane of projection in the stamping-out portion 6 of described doorframe 4 bottom described punch 2, described nib 5 and described punch 2 coincide the first cutter blanking structure coordinating and be jointly configured for stamping-out portion 6 described in stamping-out.According to process requirements, need to carry out the first cutter stamping-out and the second cutter stamping-out two steps to the doorframe 4 through clod wash process.Described first cutter stamping-out is that the stamping-out portion 6 in the middle part of doorframe 4 two ends carries out stamping-out respectively, and rear formation gap is washed out in described stamping-out portion 6.One end of doorframe 4 is placed on described die 3 according to curve form correspondence, described stamping-out portion 6 is made to aim at described nib 5, starting external impetus drives described punch 2 and described stripper 1 to decline, described stripper 1 is made to be pressed on described die 3 according to curve form by stable for described doorframe 4, then described punch 2 continues to decline, stamping-out is carried out to described stamping-out portion 6, realizes the first cutter stamping-out of doorframe 4.This design, by directly carrying out stamping-out to the doorframe 4 of clod wash process, avoids human error that in original technique, after first stamping-out, bending brings and bending misplaces, and the manufacture craft precision that effectively improve doorframe coordinates the degree of accuracy with installation.
As shown in Figure 5, described punch 2 sidewall offers the horizontal cut 7 for holding doorframe 4 edge.Due to the needs of doorframe self structure, the cross section of doorframe 4 is generally semi-surrounding structure, stamping-out portion 6 due to the first cutter stamping-out is positioned at the middle part of this semi-surrounding structure, therefore, in punch press process, described punch 2 is easy to block doorframe 4 liang of edges, doorframe 4 is made normally to be placed on mould, therefore, after offering described horizontal cut 7, doorframe 4 edge can be arranged in described horizontal cut 7, makes described doorframe 4 normally be positioned on mould.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the shape of cross section of described curved surface is " Z " font curve shape or " W " type curve shape.This is the design carried out according to the complicated shape of doorframe reality, to ensure the degree of agreement of described doorframe clamp structure and described doorframe 4, and can not by the compressive strain of described doorframe 4 while gripping.
As shown in Figure 1, there is shown, described die 3 is located on base 8, the top of described punch 2 is located on lifting top board 9, described stripper 1 is slidably arranged on described lifting top board 9 by guiding mechanism, between described lifting top board 9 and described stripper 1, be provided with elastic component 10, in blanking movement, the stop motion after being pressed onto on described doorframe 4 of described stripper 1, described punch 2 continues motion, and described elastic component 10 is compressed, and described punch 2 carries out stamping-out; After blanking movement completes, external impetus removes, and described elastic component 10 drives described punch 2 to start to reset, and now described stripper 1 continues to be pressed on described doorframe 4, until described doorframe 4 leaves described punch 2, completes discharging.When standby, the bottom of described punch 2 is higher than the bottom of described stripper 1.
As shown in Figure 1, described guiding mechanism comprises the guide post 11 be installed on described stripper 1, and described guide post 11 slides and to be located on described lifting top board 9 and the top of described guide post 11 is provided with the limited block preventing this guide post 11 from departing from described lifting top board 9.
As shown in Fig. 2, Fig. 5, the lower surface of described lifting top board 9 is provided with backing plate 12, in usually designing, owing to needing to change after described punch 2 wearing and tearing, what therefore general punch 2 can not make is too thick, the effect of described backing plate 12 increases the distance between punch 2 lower surface and lifting top board 9 lower surface, and when doorframe 4 is placed on mould and when carrying out blanking movement, two edges of doorframe 4 can not touch lifting top board 9.The lower surface of described backing plate 12 sets firmly guide pad 13, and described punch 2 and described guide pad 13 removably connect, and the lower surface of described guide pad 13 is lower than the lower surface of described punch 2, and described die 3 is provided with the jack coordinated with the grafting of described guide pad 13.Lower surface due to described punch 2 is curved surface, therefore, when described in described punch 2 stamping-out during doorframe 4, can cause the slippage of described punch 2, cause and can not accurately cut because of curved surface effect.After arranging described guide pad 13, in blanking movement, described guide pad 13 can be introduced in described nib 5, makes described punch 2 can only follow described guide pad 13 and moves in described nib 5, to prevent slippage, makes to cut accurately.
Described base 8 is provided with spring stack 14, and the top of described spring stack 14 to be located on described lifting top board 9 and to be slidably matched with described lifting top board 9, and described spring stack 14 is provided with the reseting pressuring spring for being resetted by lifting top board 9.Described base 8 is provided with lead 15, and the top of described lead 15 to be located on described lifting top board 9 and to be slidably matched with described lifting top board 9, and the top of described lead 15 is provided with limiting section.External impetus is pressed on described lifting top board 9, described lifting top board 9 is made to drive described punch 2 and described stripper 1 to carry out punching press, and compress described spring stack 14, after punching press action completes, external impetus removes, the elastic force of described spring stack 14 drives described lifting top board 9 to reset, and the motion of described lead 15 to described lifting top board 9 play the guiding role.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.

Claims (10)

1. a door frame first knife blanking die, it is characterized in that: comprise patrix, counterdie and the driving mechanism driving patrix to pump, described patrix comprises stripper and the punch be located on this stripper that slides, described counterdie comprises die, described die and described stripper form the clamp structure for clamping doorframe, the upper surface of described die and the lower surface of described stripper have for being clamped curved surface and stripper clamps curved surface with doorframe by the coincide die that coordinates of clamping part upper and lower surface respectively, described die has the nib inserted for described punch, the frontal plane of projection in the stamping-out portion of described male bottom and described doorframe coincide, and described nib and described punch coincide the first cutter blanking structure coordinating and be jointly configured for stamping-out portion described in stamping-out.
2. door frame first knife blanking die according to claim 1, is characterized in that: described punch sidewall offers the horizontal cut for holding doorframe edge.
3. door frame first knife blanking die according to claim 2, is characterized in that: the shape of cross section of described die clamping curved surface and described stripper clamping curved surface is " Z " font curve shape or " W " type curve shape.
4. the door frame first knife blanking die according to claim 1 or 2 or 3, it is characterized in that: described die is located on base, the top of described punch is located on lifting top board, described stripper is slidably arranged on described lifting top board by guiding mechanism, elastic component is provided with between described lifting top board and described stripper, when standby, the bottom of described punch is higher than the bottom of described stripper.
5. door frame first knife blanking die according to claim 4, it is characterized in that: described guiding mechanism comprises the guide post be installed on described stripper, described guide post slides and to be located on described lifting top board and the top of described guide post is provided with the limited block preventing this guide post from departing from described lifting top board.
6. door frame first knife blanking die according to claim 5, it is characterized in that: the lower surface of described lifting top board is provided with backing plate, the lower surface of described backing plate sets firmly guide pad, described punch and described guide pad removably connect, the lower surface of described guide pad is lower than the lower surface of described punch, and described die is provided with the jack coordinated with described guide pad grafting.
7. door frame first knife blanking die according to claim 5, it is characterized in that: described base is provided with spring stack, the top of described spring stack to be located on described lifting top board and to be slidably matched with described lifting top board, and described spring stack is provided with the reseting pressuring spring for being resetted by lifting top board.
8. door frame first knife blanking die according to claim 6, it is characterized in that: described base is provided with spring stack, the top of described spring stack to be located on described lifting top board and to be slidably matched with described lifting top board, and described spring stack is provided with the reseting pressuring spring for being resetted by lifting top board.
9. door frame first knife blanking die according to claim 7, it is characterized in that: described base is provided with lead, the top of described lead to be located on described lifting top board and to be slidably matched with described lifting top board, and the top of described lead is provided with limiting section.
10. door frame first knife blanking die according to claim 8, it is characterized in that: described base is provided with lead, the top of described lead to be located on described lifting top board and to be slidably matched with described lifting top board, and the top of described lead is provided with limiting section.
CN201310293427.0A 2013-07-15 2013-07-15 Door frame first knife blanking die Active CN103317000B (en)

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CN103952868B (en) * 2014-05-23 2016-05-25 湖州博仁纺织品有限公司 A kind of thread cutter of sewing machine
CN107983827A (en) * 2017-11-02 2018-05-04 安徽盛达前亮铝业有限公司 A kind of blanking die regulating device
CN107983826A (en) * 2017-11-02 2018-05-04 安徽盛达前亮铝业有限公司 A kind of door frame first knife blanking die
CN109604421A (en) * 2018-12-18 2019-04-12 莱特伟特(苏州)汽配科技有限公司 A kind of die cutting die of profile partition
CN112854961A (en) * 2020-12-31 2021-05-28 重庆市驰茂装饰工程有限公司 Frame strip, connecting strip pressing and fixing die and pressing and fixing device of system door and window
CN114603036A (en) * 2022-01-18 2022-06-10 湖北和乐门业有限公司 One shot forming's door frame blanking mould

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