CN212664699U - Trimming die utensil of floor before car - Google Patents
Trimming die utensil of floor before car Download PDFInfo
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- CN212664699U CN212664699U CN202021072557.3U CN202021072557U CN212664699U CN 212664699 U CN212664699 U CN 212664699U CN 202021072557 U CN202021072557 U CN 202021072557U CN 212664699 U CN212664699 U CN 212664699U
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Abstract
The utility model relates to a trimming die utensil of floor before car, this mould including the upper die base that is equipped with the mould guide pin bushing, be equipped with the die holder of lower mould guide pillar and set up the trimming die structure between lower die base and upper die base, trimming die utensil be equipped with the deburring sword including establishing the outside limit portion of die holder, the upper die base corresponds being equipped with of position with the deburring sword and goes up the mould deburring terrace die, the die holder in be equipped with and hold in the palm the material core, hold in the palm material core and lower mould linkage structural connection, the deburring sword on connect row material structure, set up the turn-ups knife tackle between lower die base and upper die base. The special upward trimming mechanism of the die can well solve the technical problems, saves working procedures, simultaneously solves the problem of trimming by upward trimming, avoids double material pressing cores, reduces cost, simplifies structure, enables waste materials to slide smoothly, facilitates field processing and debugging, improves working efficiency and promotes competitiveness of die enterprises.
Description
Technical Field
The utility model belongs to the technical field of the mould and specifically relates to a deburring mould of floor before car is related to.
Background
With the rapid development of the mold industry, under the large background that the competition is more and more intense, the efficiency improvement and cost reduction are carried out before all manufacturers, better and faster development is desired, better service and higher quality are provided, and the manufacturing cost can be reduced as much as possible by anyone, so that the mold industry with the great waves and sand washing can finally survive, and therefore, enterprises need to continuously innovate new technologies which better use and save the cost.
At present, in a traditional trimming structure of an automobile die, a trimming knife is fixed on an upper die, a trimming male die is fixed on a lower die, a material pressing core needs to be designed on the upper die, and a pressure source, a side pin and a bolt standard part which are matched with the material pressing core are needed. The upper die moves downwards along with the press sliding block, the pressing core contacts with the plate and compresses the plate together with the lower die trimming convex die, and when the upper die moves 8 mm before the lower dead point, the trimming knife starts trimming downwards until the lower dead point is reached, and trimming is finished.
The design is divided into three sequences like the automobile front floor: OP10 drawing, OP20 trimming, punching, OP30 flanging, shaping and trimming. Considering that the plate has large shape fluctuation, OP20 has one circle of trimming edge and difficult waste discharge, and several trimming edges are put on OP30, so that the problem of difficult waste discharge of OP20 is solved, but a new problem is brought about: according to the traditional downward trimming structure, the upper die is required to be provided with the material pressing core, the lower die is provided with the material supporting core due to the upward flanging and shaping of OP30, if the upper die is required to have a complex double-movable structure of the material supporting core and the material pressing core, the upper die is provided with the material pressing core and the trimming knife, and the lower die is provided with the lower die trimming convex die, the arrangement is difficult to realize based on the die process content and space limitation, the design difficulty and complexity of the die are increased invisibly, the workload of field debugging is increased, and the die manufacturing cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the trimming die for the front floor of the automobile is provided, and has the advantages of simplicity and convenience in operation and stable and reliable structural equipment; the problem is solved, the operation of frock of being convenient for improves parts machining's quality and efficiency.
The utility model provides a technical scheme that its technical problem adopted is: the trimming die comprises an upper die base provided with an upper die guide sleeve, a lower die base provided with a lower die guide post and a trimming die structure arranged between the lower die base and the upper die base, wherein the trimming die comprises a trimming knife arranged at the outer side edge part of the lower die base, an upper trimming male die is arranged at the position of the upper die base corresponding to the trimming knife, a material supporting core is arranged in the lower die base and is connected with a lower die linkage structure, and the trimming knife is connected with a discharging structure and a flanging knife group arranged between the lower die base and the upper die base.
The lower die linkage structure comprises a connecting material supporting core 2 arranged at the center of the lower part of the lower die base, a nitrogen cylinder for connecting the lower material supporting core and a heading dead block.
And two groups of die nitrogen cylinders and upsetting dead blocks are arranged in the lower die holder.
The discharging structure comprises a side pin, a waste sliding plate and an ejection pin.
The flanging knife group comprises a lower die flanging knife arranged on the lower die base and an upper die flanging knife arranged on the upper die base.
And an upper die shaping knife is arranged in the middle of the upper die base.
The use method of the trimming die for the front floor of the automobile comprises the following steps of; and (3) mold opening stage:
1.1), opening the press upwards, lifting an upper die trimming male die, an upper die flanging knife and an upper die shaping knife of an upper die seat and an upper die accessory, and simultaneously jacking a material supporting core by a lower die nitrogen cylinder;
1.2) the material supporting core moves upwards for 1 material supporting core stroke under the elastic action of a nitrogen cylinder of the lower die, and the molded surfaces of the trimming knife and the flanging knife of the lower die are lower than the molded surface of the material supporting core;
1.3, automatic feeding, wherein a plate is accurately placed in a mold cavity in advance and is positioned;
a mold closing stage:
2.1, the upper die base and the upper die trimming male die, the upper die flanging knife and the upper die shaping knife thereof move downwards along with the press, and the trimming male die contacts the plate and compresses the plate together with the lower die material supporting core;
2.2, along with the continuous downward movement of the upper die, the downward pressure of the upper die is gradually increased by the press, when the downward pressure is greater than the force provided by the nitrogen cylinder of the lower die, the material supporting core moves downward, the flanging and shaping are started, when the upper die continues to move downward and runs 8 mm before a lower dead point, the trimming knife is contacted with the trimming male die of the upper die, and the trimming knife starts to trim upward;
and 2.3, moving the material supporting core to a bottom dead center, namely upsetting the material supporting core and the upsetting dead block to the bottom, and finishing trimming and flanging and shaping actions. The cut waste is jacked up by the ejection pin and smoothly slides down by the waste sliding plate.
The utility model has the advantages that:
(1) through the special trimming mechanism for the automobile front floor die, the lower die is turned upwards, and a working procedure can be saved under the condition that the upper die cannot be designed with a trimming and pressing core;
(2) the upper trimming difficulty is solved by the special trimming mechanism for the automobile front floor mold through the upper trimming;
(3) through the special trimming mechanism for the automobile front floor mold, the use of double material pressing cores is avoided, and the mold manufacturing cost is saved;
(4) through the special trimming mechanism for the automobile front floor mold, the traditional trimming structure is changed, the structure is effectively simplified, the on-site processing and debugging are convenient, and the working efficiency is improved;
(5) through the special trimming mechanism for the automobile front floor mold, waste materials slide off the cutter back, and the problem of sliding of the waste materials is well solved;
the present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the upper die base of the present invention.
Fig. 2 is a schematic structural view of the lower die holder of the present invention.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a sectional view taken along line a-a of fig. 2.
Fig. 5 is a schematic structural view of the trimming knife of the present invention.
Fig. 6 is a schematic structural view of the middle pop-up pin of the present invention.
Fig. 7 is a schematic structural view of the middle waste slide plate of the present invention.
Fig. 8 is a schematic view of the combination of the middle trimming knife, the spring ejector pin and the waste slide plate of the present invention.
Fig. 9 is the structure schematic diagram of the trimming male die for the middle upper die of the utility model.
Fig. 10 is a schematic view of the combination of the trimming knife and the upper die trimming male die of the present invention.
In the figure: 1. the device comprises a lower die base, 2 material supporting cores, 3 lower die nitrogen cylinders, 4 upsetting dead blocks, 5 side pins, 6 trimming knives, 7 waste sliding plates, 8 ejection pins, 9 lower die guide columns, 10 upper die guide sleeves, 11 upper die trimming male dies, 12 upper die base, 13 upper die flanging knives, 14 upper die shaping knives and 15 lower die flanging knives.
Detailed Description
The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The lower die linkage structure comprises a connecting material supporting core 2 arranged at the center of the lower part of the lower die base 1, a nitrogen cylinder 3 for connecting the lower material supporting core 2 and an upsetting dead block 4.
And the die nitrogen cylinder 3 and the upsetting dead block 4 are provided with two groups in the lower die holder 1.
The discharging structure comprises a side pin 5, a waste sliding plate 7 and a spring ejection pin 8.
The flanging knife group comprises a lower die flanging knife 15 arranged on the lower die base 1 and an upper die flanging knife 13 arranged on the upper die base 12.
An upper die shaping knife 14 is arranged in the middle of the upper die base 12. The traditional downward trimming structure is changed through the mechanism: the mechanism is characterized in that the trimming knife is arranged on the lower die, and the trimming convex die is fixed on the upper die. When the upper die is positioned at the upper dead point, the lower die material supporting core rises to the feeding height position under the action of the nitrogen cylinder, and the plate is accurately placed on the molded surface and well positioned; the upper die descends along with the press sliding block, and the trimming male die contacts the plate and compresses the plate together with the lower die material supporting core; the downward pressure of the upper die is gradually increased by the press along with the downward movement of the upper die, when the downward pressure is larger than the force provided by the nitrogen cylinder of the lower die, the material supporting core moves downward, the flanging and shaping are started, when the upper die continues to move downward and moves 8 mm before the lower dead point, the trimming knife starts to trim upward, when the upper die reaches the lower dead point, the trimming and flanging and shaping actions are finished, and the cut waste material is jacked up by the ejection pin and smoothly slides down by the waste material sliding plate.
Example 2, on the basis of combining example 1; the use method of the trimming die for the front floor of the automobile comprises the following steps of; and (3) mold opening stage:
1.1), the press is opened upwards, the upper die base 12 and the upper die trimming male die 11, the upper die flanging knife 13 and the upper die shaping knife 14 of the upper die accessory are lifted, and the lower die nitrogen cylinder 3 jacks up the material supporting core 2;
1.2) the material supporting core 2 moves upwards for 1 material supporting core stroke under the elastic action of the lower die nitrogen cylinder 3, and the molded surfaces of the trimming cutter 6 and the lower die flanging cutter 15 are lower than the molded surface of the material supporting core;
1.3, automatic feeding, wherein a plate is accurately placed in a mold cavity in advance and is positioned;
a mold closing stage:
2.1, moving the upper die base 12, the upper die trimming convex die 11, the upper die flanging knife 13 and the upper die shaping knife 14 downwards along with the press, enabling the trimming convex die to contact with the plate and tightly press the plate together with the lower die material supporting core 2;
2.2, along with the continuous downward movement of the upper die, the downward pressure of the upper die is gradually increased by the press, when the downward pressure is greater than the force provided by the nitrogen cylinder 3 of the lower die, the material supporting core 2 moves downward, the flanging and shaping are started, when the upper die continues to move downward and runs 8 mm before the lower dead point, the trimming knife 6 is contacted with the trimming male die 11 of the upper die, and the trimming knife starts to trim upward;
2.3, the material supporting core 2 moves to a bottom dead center, namely the material supporting core 2 and the upsetting block 4 are upset to the bottom, trimming and flanging shaping actions are finished, and the cut waste is jacked up by the ejection pin 8 and smoothly slides down by the waste sliding plate 7.
The special upward trimming mechanism of the die can well solve the technical problems, saves working procedures, simultaneously solves the problem of trimming by upward trimming, avoids double material pressing cores, reduces cost, simplifies structure, enables waste materials to slide smoothly, facilitates field processing and debugging, improves working efficiency and promotes competitiveness of die enterprises.
The above embodiments are merely to describe the preferred embodiments of the present invention, and are not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (6)
1. The utility model provides a trimming die utensil of floor before car, this mould is including upper die base (12) that are equipped with last mould guide pin bushing (10), lower bolster (1) that are equipped with lower mould guide pillar (9) and the trimming die utensil structure of setting between lower bolster (1) and upper die base (12), its characterized in that: the trimming die comprises a trimming knife (6) arranged on the outer side edge of a lower die holder (1), an upper die trimming male die (11) is arranged at the position, corresponding to the trimming knife (6), of an upper die holder (12), a material supporting core (2) is arranged in the lower die holder (1), the material supporting core (2) is connected with a lower die linkage structure, the trimming knife (6) is connected with a material discharging structure, and a flanging knife group is arranged between the lower die holder (1) and the upper die holder (12).
2. The trimming die for the front floor of the automobile as claimed in claim 1, wherein: the lower die linkage structure comprises a connecting material supporting core (2) arranged at the center of the lower part of the lower die base (1), a die nitrogen cylinder (3) for connecting the lower material supporting core (2) and a heading dead block (4).
3. The trimming die for the front floor of the automobile as claimed in claim 2, wherein: and the die nitrogen cylinder (3) and the upsetting dead block (4) are provided with two groups in the lower die holder (1).
4. The trimming die for the front floor of the automobile as claimed in claim 1, wherein: the discharging structure comprises a side pin (5), a waste sliding plate (7) and an ejection pin (8).
5. The trimming die for the front floor of the automobile as claimed in claim 1, wherein: the flanging knife group comprises a lower die flanging knife (15) arranged on the lower die base (1) and an upper die flanging knife (13) arranged on the upper die base (12).
6. The trimming die for the front floor of the automobile as claimed in claim 1, wherein: an upper die shaping knife (14) is arranged in the middle of the upper die base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021072557.3U CN212664699U (en) | 2020-06-11 | 2020-06-11 | Trimming die utensil of floor before car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021072557.3U CN212664699U (en) | 2020-06-11 | 2020-06-11 | Trimming die utensil of floor before car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212664699U true CN212664699U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021072557.3U Active CN212664699U (en) | 2020-06-11 | 2020-06-11 | Trimming die utensil of floor before car |
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| Country | Link |
|---|---|
| CN (1) | CN212664699U (en) |
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- 2020-06-11 CN CN202021072557.3U patent/CN212664699U/en active Active
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