CN210387154U - Waste cutter structure of automobile body outer plate die - Google Patents
Waste cutter structure of automobile body outer plate die Download PDFInfo
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- CN210387154U CN210387154U CN201921020648.XU CN201921020648U CN210387154U CN 210387154 U CN210387154 U CN 210387154U CN 201921020648 U CN201921020648 U CN 201921020648U CN 210387154 U CN210387154 U CN 210387154U
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- cutter block
- waste material
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Abstract
The utility model relates to the technical field of molds, in particular to a waste material cutter structure of a mold for an automobile body outer plate, which comprises a mold surface cutter block and a waste material cutter block, wherein the mold surface cutter block comprises an upper mold surface cutter block and a lower mold surface cutter block which are mutually matched, the waste material cutter block comprises an upper waste material cutter block and a lower waste material cutter block which are mutually matched, the cutting edge of the lower waste material cutter block is lower than that of the lower mold surface cutter block, the cutting edge of the lower waste material cutter block comprises an A end which is close to the lower mold surface cutter block, the cutting edge of the lower mold surface cutter block comprises a B end which is close to the lower waste material cutter block, and the height difference between the A; adopt the utility model discloses technical scheme's an automobile body planking mould waste material sword structure has avoided the waste powder bits to be taken to the lower mould profile on to the part surface of having guaranteed waste material sword position can not produce the unsmooth point that arouses because of the powder bits, has improved the product percent of pass, and has reduced the frequency of cleaning the mould profile in the production process, has also improved the production efficiency of stamping workpiece.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to automobile body planking mould waste material sword structure.
Background
In the existing automobile stamping part, the structure of a waste material cutter commonly used in the industry is shown in fig. 1 and fig. 2, wherein the numbers are as follows: 1. the existing scrap feeding cutter block; 2. the existing lower die profile cutter block; 3. the existing waste discharging cutter block; 4. waste powder and scraps; in the common structure, when in punching, the upper die profile cutter block and the upper waste cutter block move downwards simultaneously to cut off the whole circle of waste edge outside the product, then the waste material knife block cuts the whole circle of waste material edge in a sectional way, the cut sectional waste material slides out of the die through the waste material chute, but the height difference of 3-5mm is formed between the upper die profile knife block and the upper waste material knife block, waste swarf is formed after trimming, and the waste swarf falls to the upper surfaces of the lower die profile cutter block and the lower waste cutter block, and because the swarf is light, the vibration of mould or blow slightly can take the sweeps to the lower mould profile on when the punching press to lead to next product and the back product punching press to come out and all have small concave-convex point, influence the product percent of pass, increased the frequency of wiping the mould profile, increased the defective work rate of reprocessing, thereby influenced production efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an automobile body planking mould waste material sword structure, avoided the waste powder bits to be taken to the lower mould profile on to the part surface of having guaranteed waste material sword position can not produce the unsmooth point that arouses because of the powder bits, has improved the product percent of pass, and has reduced the frequency of cleaning the mould profile in the production process, has also improved the production efficiency of stamping workpiece.
In order to solve the technical problem, the utility model provides a waste material knife structure of a car body outer plate die, which comprises a die surface knife block and a waste material knife block, wherein the die surface knife block comprises an upper die surface knife block and a lower die surface knife block which are matched with each other, the waste material knife block comprises an upper waste material knife block and a lower waste material knife block which are matched with each other, the cutting edge of the lower waste material knife block is lower than that of the lower die surface knife block, the cutting edge of the lower waste material knife block comprises an A end close to the lower die surface knife block, the cutting edge of the lower die surface knife block comprises a B end close to the lower waste material knife block, the height difference between the A end and the B end is H, a gap is left between the lower die surface knife block and the lower waste material knife block, one end of the upper waste material knife block close to the upper die surface knife block is provided with a sharp corner, the sharp corner is positioned above the gap, and the height of the sharp, and the sharp-angle cutting edge moves towards the gap in the downward moving process of the upper waste material cutter block.
Because a gap is reserved between the lower die profile cutter block and the lower waste cutter block, one end of the upper waste cutter block, which is close to the upper die profile cutter block, is provided with a sharp-angled cutting edge, the sharp-angled cutting edge moves towards the gap in the process of moving the upper waste cutter block downwards, the height difference between the end A and the end B is H, the upper die profile cutter block moves downwards, after a material pressing device presses materials, the sharp-angled cutting edge on the upper waste cutter block firstly punctures the waste and continues to move downwards for an H distance along the gap, the whole circle of waste edge is continuously moved downwards to trim the whole circle of waste edge, and then the whole circle of waste edge is cut by the upper waste cutter block and the lower waste cutter block in a matching way, the whole circle of waste edge is cut into sectional waste, the sectional waste slides out of the die through a waste chute, and the sectional waste slides out of the die due to the existence of a height section difference of 3-5mm between the traditional upper die profile cutter block and the upper waste cutter block, namely, the height difference between the A end and the B end is H of 3-5mm, and the step difference can generate waste powder when trimming, therefore, the design that the height of the sharp-angle cutting edge is H, namely the height of the sharp-angle cutting edge is 3-5mm, the height of the sharp-angle cutting edge is adapted to the height difference between the die profile cutting block and the waste cutting block, the sharp-angle cutting edge can completely seal the waste powder scraps in the gap after the waste materials are punctured and trimmed and the downward movement distance is 3-5mm, thereby avoiding the waste powder from floating on the lower die profile cutter block and also avoiding the waste powder from falling on the lower waste cutter block, therefore, in the design, the structure design of the sharp-angled cutting edge and the gap can seal the falling waste powder scraps in the gap, thereby guaranteed that the part surface of waste material sword position can not produce the concave convex point that arouses because of the chalk, improved product percent of pass and production efficiency.
Preferably, the width of the gap is 4 mm.
Preferably, the width of the pointed cutting edge is less than 4 mm.
Preferably, in order to ensure the matching effect of the sharp-angled cutting edge of the upper waste cutter block and the gap, a vertical edge in sliding fit with the left side wall of the gap is further arranged on one side, close to the upper die profile cutter block, of the upper waste cutter block.
As a preferred scheme, in order to realize the installation of the die surface cutter block and the waste cutter block, the die further comprises an upper die holder and a lower die holder, wherein the upper die surface cutter block and the upper waste cutter block are both installed on the upper die holder, and the lower die surface cutter block and the lower waste cutter block are both installed on the lower die holder.
Adopt above-mentioned technical scheme's a car body planking mould waste material sword structure's beneficial effect: because a gap is reserved between the lower die profile cutter block and the lower waste cutter block, one end of the upper waste cutter block, which is close to the upper die profile cutter block, is provided with a sharp-angled cutting edge, the sharp-angled cutting edge moves towards the gap in the process of moving the upper waste cutter block downwards, the height difference between the end A and the end B is H, the upper die profile cutter block moves downwards, after a material pressing device presses materials, the sharp-angled cutting edge on the upper waste cutter block firstly punctures the waste and continues to move downwards for an H distance along the gap, the whole circle of waste edge is continuously moved downwards to trim the whole circle of waste edge, and then the whole circle of waste edge is cut by the upper waste cutter block and the lower waste cutter block in a matching way, the whole circle of waste edge is cut into sectional waste, the sectional waste slides out of the die through a waste chute, and the sectional waste slides out of the die due to the existence of a height section difference of 3-5mm between the traditional upper die profile cutter block and the upper waste cutter block, namely, the height difference between the A end and the B end is H of 3-5mm, and the step difference can generate waste powder when trimming, therefore, the design that the height of the sharp-angle cutting edge is H, namely the height of the sharp-angle cutting edge is 3-5mm, the height of the sharp-angle cutting edge is adapted to the height difference between the die profile cutting block and the waste cutting block, the sharp-angle cutting edge can completely seal the waste powder scraps in the gap after the waste materials are punctured and trimmed and the downward movement distance is 3-5mm, thereby avoiding the waste powder from floating on the lower die profile cutter block and also avoiding the waste powder from falling on the lower waste cutter block, therefore, in the design, the structure design of the sharp-angled cutting edge and the gap can seal the falling waste powder scraps in the gap, thereby guaranteed that the part surface of waste material sword position can not produce the concave convex point that arouses because of the chalk, improved product percent of pass and production efficiency.
Drawings
FIG. 1 is a schematic view of a prior art scrap knife in a first state of motion;
FIG. 2 is a schematic diagram of a state of motion of a scrap cutter according to the prior art;
fig. 3 is a schematic structural diagram of a first motion state of the present invention;
fig. 4 is a schematic structural diagram of a second motion state of the present invention;
fig. 5 is a schematic structural diagram of a third motion state of the present invention.
Wherein: the existing scrap feeding cutter block 1; the existing lower die profile cutter block 2; the existing scrap discharging cutter block 3; waste cuttings 4; a lower die profile cutter block 5; 5.1 of the B end; a scrap feeding cutter block 6; a sharp-angle cutting edge 6.1; the vertical edge is 6.2; a waste material discharging cutter block 7; end A is 7.1; a gap 8.
Detailed Description
The technical scheme of the utility model is further explained by combining the drawings and the embodiment as follows:
example 1:
as shown in fig. 3 to 5, the present embodiment provides a waste cutter structure for a mold for an automobile body outer panel, comprising a mold surface cutter block and a waste cutter block, the mold surface cutter block comprising an upper mold surface cutter block and a lower mold surface cutter block 5 which are fitted to each other, the waste cutter block comprising an upper waste cutter block 6 and a lower waste cutter block 7 which are fitted to each other, a cutting edge of the lower waste cutter block 7 being lower than a cutting edge of the lower mold surface cutter block 5, a cutting edge of the lower waste cutter block 7 comprising an a end 7.1 which is close to the lower mold surface cutter block 5, a cutting edge of the lower mold surface cutter block 5 comprising a B end 5.1 which is close to the lower waste cutter block 7, a height difference between the a end 7.1 and the B end 5.1 being H, a gap 8 having a span of 4mm being left between the lower mold surface cutter block 5 and the lower waste cutter block 7, a cutting edge 6.1 being provided at an end of the upper waste cutter block 6 which is close to the upper mold surface cutter block, a cutting edge 6, the width of the sharp-angled cutting edge 6.1 is 4mm, and the sharp-angled cutting edge 6.1 moves towards the gap 8 in the downward movement process of the upper waste material knife block 6.
Because a gap 8 is left between the lower die profile cutter block 5 and the lower waste cutter block 7, one end of the upper waste cutter block 6 close to the upper die profile cutter block is provided with a sharp-angled cutting edge 6.1, the sharp-angled cutting edge 6.1 moves towards the gap 8 in the process of moving down the upper waste cutter block 6, the height difference between the A end 7.1 and the B end 5.1 is H, the upper die profile cutter block moves downwards, after a material pressing device presses the material, the sharp-angled cutting edge 6.1 on the upper waste cutter block 6 firstly punctures the waste material and continues moving downwards along the gap 8 for the distance H, the whole circle of waste material edge is continuously moved downwards and repaired and then moves downwards, the upper waste cutter block 6 and the lower waste cutter block 7 are matched to cut the whole circle of waste material edge, the whole circle of waste material edge is cut into sectional waste materials, the sectional waste materials slide to the outside the die through a waste material groove, because the height difference of 3-5mm exists between the traditional upper die profile cutter block and the upper waste cutter block 6, and the profile also exists the height difference of 3-5mm between the lower waste cutter, namely, the height difference between the A end 7.1 and the B end 5.1 is H of 3-5mm, and the section difference can generate waste powder scraps during trimming, therefore, the design that the height of the sharp-angle cutting edge 6.1 is H, namely the height of the sharp-angle cutting edge 6.1 is 3-5mm, the height of the sharp-angle cutting edge 6.1 is adapted to the height difference between the die profile cutting block and the waste cutting block, the waste can be pierced and trimmed and the sharp-angle cutting edge 6.1 can completely seal the waste powder scraps in the gap 8 after moving downwards by 3-5mm, so that the waste powder scraps are prevented from floating on the lower die cutting block 5 and falling on the lower waste cutting block 7, therefore, in the design, the structural design of the sharp-angle cutting edge 6.1 and the gap 8 can seal the falling waste powder scraps in the gap 8, and the surface of a part at the position of the waste cutting edge can not generate concave-convex points caused by the powder scraps, the product qualification rate and the production efficiency are improved.
Example 2:
this embodiment is defined by optimization based on embodiment 1 described above.
In order to ensure the matching effect of the sharp-angled cutting edge 6.1 of the upper waste cutter block 6 and the gap 8, one side of the upper waste cutter block 6, which is close to the upper die profile cutter block, is also provided with a vertical edge 6.2 in sliding fit with the left side wall of the gap 8.
Example 3:
this embodiment is optimized and defined based on embodiment 1 or 2.
In order to realize the installation of the die surface cutter block and the waste material cutter block, the die cutting device also comprises an upper die base and a lower die base, wherein the upper die surface cutter block and the upper waste material cutter block 6 are both installed on the upper die base, and the lower die surface cutter block 5 and the lower waste material cutter block 7 are both installed on the lower die base.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. The utility model provides a car body planking mould waste material sword structure which characterized in that: comprises a die surface cutter block and a waste cutter block, wherein the die surface cutter block comprises an upper die surface cutter block and a lower die surface cutter block which are matched with each other, the waste material cutter block comprises an upper waste material cutter block and a lower waste material cutter block which are matched with each other, the cutting edge of the lower waste material cutter block is lower than the cutting edge of the lower die profile cutter block, the cutting edge of the lower scrap cutter block includes an end A adjacent the lower die profile cutter block, the cutting edge of the lower die profile cutter block includes an end B adjacent the lower scrap cutter block, the height difference between the end A and the end B is H, a gap is left between the lower die profile cutter block and the lower waste cutter block, go up waste material sword piece and go up and be close to the one end of mould profile sword piece is equipped with the closed angle blade, the closed angle blade is located the top in clearance just the height of closed angle blade is H, it moves down the in-process to go up waste material sword piece the closed angle blade orientation the clearance removes.
2. The exterior panel mold scrap knife structure in accordance with claim 1, wherein: the width of the gap is 4 mm.
3. The exterior panel mold scrap knife structure in accordance with claim 2, wherein: the width of the sharp-angle cutting edge is less than 4 mm.
4. The exterior panel mold scrap knife structure in accordance with claim 3, wherein: and one side of the upper waste cutter block, which is close to the upper die profile cutter block, is also provided with a vertical edge in sliding fit with the left side wall of the gap.
5. The exterior panel mold scrap knife structure in accordance with claim 4, wherein: the waste material cutting device is characterized by further comprising an upper die base and a lower die base, the upper die profile cutter block and the upper waste material cutter block are installed on the upper die base, and the lower die profile cutter block and the lower waste material cutter block are installed on the lower die base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020648.XU CN210387154U (en) | 2019-07-03 | 2019-07-03 | Waste cutter structure of automobile body outer plate die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020648.XU CN210387154U (en) | 2019-07-03 | 2019-07-03 | Waste cutter structure of automobile body outer plate die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210387154U true CN210387154U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921020648.XU Expired - Fee Related CN210387154U (en) | 2019-07-03 | 2019-07-03 | Waste cutter structure of automobile body outer plate die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210387154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317595A (en) * | 2020-09-30 | 2021-02-05 | 中国第一汽车股份有限公司 | Stamping and trimming process for preventing waste cuttings from being generated |
| CN115213285A (en) * | 2022-06-13 | 2022-10-21 | 中国第一汽车股份有限公司 | Method for eliminating short-strip flock in stamping and blanking |
-
2019
- 2019-07-03 CN CN201921020648.XU patent/CN210387154U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317595A (en) * | 2020-09-30 | 2021-02-05 | 中国第一汽车股份有限公司 | Stamping and trimming process for preventing waste cuttings from being generated |
| CN115213285A (en) * | 2022-06-13 | 2022-10-21 | 中国第一汽车股份有限公司 | Method for eliminating short-strip flock in stamping and blanking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200918 Granted publication date: 20200424 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220105 Granted publication date: 20200424 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20200703 |