CN212242188U - Automobile spare tire cover plate periphery edge covering die - Google Patents
Automobile spare tire cover plate periphery edge covering die Download PDFInfo
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- CN212242188U CN212242188U CN202021064961.6U CN202021064961U CN212242188U CN 212242188 U CN212242188 U CN 212242188U CN 202021064961 U CN202021064961 U CN 202021064961U CN 212242188 U CN212242188 U CN 212242188U
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Abstract
The utility model discloses an automobile spare tire cover plate periphery edge covering die, which comprises an upper die and a lower die, wherein the upper die is arranged in an upper die base, the lower die is arranged in a lower die base, the upper die base and the lower die base are mutually matched, a pressure plate is connected in a cavity of the upper die through a lifting mechanism, and an edge cutting knife is arranged at the edge position of the upper die; the die cavity of the lower die is connected with a material supporting plate through a lower pressure spring, the material supporting plate is arranged corresponding to the material pressing plate, an edge covering block is arranged in the lower die and corresponds to the position of the edge cutting knife, a transverse reserved cavity is arranged on the inner side of the edge cutting knife, and a longitudinal edge covering cavity is arranged on the inner side of the edge covering block. The utility model adopts the heating and melting mode to heat the material in the edge covering area and then to cover the edge, and the surface smoothness is good; the reserved edge-covering is cut by the edge-cutting knife, so that the uniformity of each position is ensured, and the quality of the edge-covering is ensured; the edge covering cavity is arranged, so that the edge covering material can smoothly flow into the cavity, and the material overflow is avoided.
Description
Technical Field
The utility model relates to a mould of borduring especially relates to a car spare tyre cover plate periphery mould of borduring.
Background
The spare tire cover plate is formed by compounding the PP honeycomb plate base material and the PET skin, in order to ensure that no opening is formed on the periphery, thinning treatment needs to be carried out on the periphery, so that the thickness of a circle of part of the product on the periphery of the product is 0.5mm, and the PP honeycomb plate is hard, so that a sharp periphery can be formed, and hands are easily injured; if the thickness of this 0.5mm flat is changed to 2mm, the product will be cracked and the appearance will be affected. Therefore, the spare cover plate needs to be subjected to edge covering treatment, most of the existing edge covering methods use glue for edge sealing, a small part of the existing edge covering methods use a tool to match with a mechanical edge sealing, the edge sealing is not ideal enough, the appearance has defects, the processing mode is low in efficiency and accuracy, and the quality is difficult to guarantee. Therefore, a hemming die is designed, and hemming of the spare tire cover plate is carried out in a hot melting mode.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a car spare tyre cover plate periphery mould of borduring realizes reserving the automatic hot melt of the formula of borduring through the mould of borduring and bordures, and the cladding is effectual, and the uniformity is high.
The utility model provides a technical scheme who adopts for solving above-mentioned technical problem provides a car spare tyre cover plate periphery mould of borduring, including upper die and lower mould, the upper die sets up in the upper die base, the lower mould sets up in the lower die base, upper die base and lower die base mutually support, be connected with the pressure flitch through elevating system in the die cavity of upper die, the upper die border position is equipped with the side cut sword; the die cavity of the lower die is connected with a material supporting plate through a lower pressure spring, the material supporting plate is arranged corresponding to the material pressing plate, an edge covering block is arranged in the lower die and corresponds to the position of the edge cutting knife, a transverse reserved cavity is arranged on the inner side of the edge cutting knife, and a longitudinal edge covering cavity is arranged on the inner side of the edge covering block.
Further, elevating system includes pressure spring and the hydro-cylinder of borduring, go up pressure spring and realize pushing down of pre-compaction shaping stage pressure flitch, the hydro-cylinder of borduring realizes the pushing down of pressure flitch of the shaping stage of borduring.
Furthermore, a middle hole cutter is arranged in the middle of the upper die, a middle hole edge covering support is arranged on the lower die corresponding to the middle hole cutter, a transverse reserved cavity is arranged on the periphery of the edge of the middle hole cutter, a longitudinal edge covering cavity is arranged on the periphery of the middle hole edge covering support, and a space which moves relative to the material pressing plate and the material supporting plate is reserved on the periphery of the middle hole cutter and the middle hole edge covering support.
Further, the edge cutting knife and the edge covering block are connected with a heating device, the temperature of the edge cutting knife is 160-180 ℃, and the temperature of the edge covering block is 90-110 ℃; cooling pipes are arranged in the material pressing plate and the material supporting plate, and the temperature of the material pressing plate and the temperature of the material supporting plate are 20-40 ℃.
Furthermore, the mounting gap between the material pressing plate and the trimming knife is 0.45-0.55mm, and the mounting gap between the material supporting plate and the edge covering block is 0.68-0.72 mm; the width of the edge covering cavity is 0.68-0.72mm, and the height of the edge covering cavity is 10-12 mm.
Furthermore, four corners of the upper die holder are provided with upper limiting columns, and guide grooves are formed in the upper limiting columns; the four corners of the lower die holder are provided with lower limiting columns, the lower limiting columns are provided with guide columns matched with the guide grooves, the upper die holder and the lower die holder are inserted into the guide grooves through the guide columns for guiding and positioning, and limiting is performed through limiting tables of the lower limiting columns.
The utility model discloses contrast prior art has following beneficial effect: the utility model provides a car spare tyre cover periphery mould of borduring has following advantage: 1. after the material in the edge covering area is heated by adopting a heating and melting mode, the edge is covered, and the surface smoothness is good after the edge is covered; 2. the edge cutting knife is adopted to cut the reserved edge covering area, so that the uniformity of each position is ensured, the uniformity of the thickness during edge covering is favorably realized, the uniformity of the flatness is ensured, and the quality of edge covering is ensured; 3. the edge-covering die cavity is arranged, the edge cutting knife is not in direct contact with the edge-covering die cavity, the edge-covering material is guaranteed to smoothly flow into the die cavity, overflowing is effectively avoided, and the edge-covering effect is guaranteed.
Drawings
FIG. 1 is a schematic structural view of an automobile spare tire cover plate peripheral edge covering die in the embodiment of the present invention;
fig. 2 is a side view of the automobile spare tire cover plate peripheral edge covering die in the embodiment of the invention after the upper die base and the lower die base are removed;
FIG. 3 is a schematic structural diagram of a part of the embodiment of the present invention that functions with the cover plate material preparation;
FIG. 4 is an enlarged view of the edge wrapping position of the peripheral wrapping mold of the automobile spare tire cover plate in the embodiment of the present invention;
FIG. 5 is an enlarged view of the edge covering part of the middle hole of the edge covering die at the periphery of the automobile spare tire cover plate in the embodiment of the present invention;
FIG. 6 is an enlarged view of the edge wrapping part of the mold after pre-pressing molding in the embodiment of the present invention;
FIG. 7 is a schematic view of a material preparation structure of a pre-pressed back cover plate in the embodiment of the present invention;
FIG. 8 is another schematic view of the pre-pressing forming back cover plate material preparing structure in the embodiment of the present invention;
FIG. 9 is an enlarged view of the edge covering part of the mold after the edge covering molding in the embodiment of the present invention;
FIG. 10 is a schematic diagram of the material preparation structure of the formed back cover plate of the embodiment of the present invention;
fig. 11 is another schematic structural diagram of the material preparation of the formed back cover plate of the utility model.
In the figure:
1. an upper die holder; 2. a lower die holder; 3. an upper die; 4. a lower die; 5. a material pressing plate; 6. a trimming knife; 7. a material supporting plate; 8. edge covering blocks; 9. an upper pressure spring; 10. a binding oil cylinder; 11. a lower pressure spring; 12. a middle hole cutter; 13. a middle hole edge covering support; 14. an upper limiting column; 15. a lower restraint post; 16. a guide post; 17. a limiting table; 18. a cooling pipe; 19. preparing a cover plate; 21. reserving a cavity; 22. and a binding cavity.
Detailed Description
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic structural view of an automobile spare tire cover plate peripheral edge covering die in the embodiment of the present invention; fig. 2 is the embodiment of the utility model provides an in the embodiment of the car spare tyre apron periphery mould of borduring get rid of the side view behind upper die base and the die holder.
Referring to fig. 1 and 2, the automobile spare tire cover plate periphery edge covering mold of the embodiment of the present invention includes an upper mold 3 and a lower mold 4, wherein the upper mold 3 is disposed in an upper mold base 1, the lower mold 4 is disposed in a lower mold base 2, the upper mold base 1 and the lower mold base 2 are matched with each other, a pressure plate 5 is connected to a cavity of the upper mold 3 through a lifting mechanism, and an edge cutting knife 6 is disposed at an edge position of the upper mold 3; be connected with support flitch 7 through holding down spring 11 in the die cavity of lower mould 4, support flitch 7 is corresponding to the setting of pressure flitch 5, be provided with the piece 8 of borduring in the lower mould 4 corresponding to the position of side cut sword 6, elevating system includes pressure spring 9 and the hydro-cylinder 10 of borduring, it realizes pushing down of pre-compaction shaping stage pressure flitch 5 to go up pressure spring 9, the hydro-cylinder 10 of borduring realizes the pushing down of pressure flitch 5 in the shaping stage of borduring.
Specifically, four corners of the upper die holder 1 are provided with upper limiting columns 14, and guide grooves are formed in the upper limiting columns 14; the four corners of the lower die holder 2 are provided with lower limiting columns 15, the lower limiting columns 15 are provided with guide columns 16 matched with the guide grooves, the upper die holder 1 and the lower die holder 2 are inserted into the guide grooves through the guide columns 16 for guiding and positioning, and are limited through limiting tables 17 of the lower limiting columns 15.
Please refer to fig. 3 at the same time, the utility model discloses car spare tyre cover plate periphery mould of borduring to being equipped with the centre hole apron, to being equipped with centre hole department bordure, correspond the position of apron centre hole in the middle part of last mould 3 and be equipped with centre hole cutter 12, lower mould 4 is provided with centre hole and bordures and holds in the palm 13 corresponding to centre hole cutter 12 position.
Please refer to 4 simultaneously, the utility model discloses car spare tyre cover plate periphery mould of borduring of embodiment, the inboard of side cut sword 6 is equipped with horizontal reservation chamber 21, the piece 8 inboard of borduring is equipped with fore-and-aft die cavity 22 of borduring.
Please refer to 5 simultaneously, the utility model discloses car spare tyre cover plate periphery mould of borduring of embodiment, the centre bore cutter 12 edge of a knife periphery is equipped with horizontal reservation chamber 21, the centre bore is bordured and is held in the palm 13 periphery and be equipped with fore-and-aft die cavity 22 of borduring, centre bore cutter 12 and centre bore are bordured and are held in the palm 13 periphery and reserve the space that has and press flitch 5 and hold in the palm flitch 7 relative movement.
Specifically, the edge cutting knife 6 and the edge covering block 8 are connected with a heating device, the temperature of the edge cutting knife 6 is 170 +/-10 ℃, and the temperature of the edge covering block 8 is 100 +/-10 ℃; the material pressing plate 5 and the material supporting plate 7 are internally provided with cooling distribution pipes 18, the temperature of the material pressing plate 5 and the material supporting plate 7 is 30 +/-10 ℃, the temperature of the position, close to the edge cutting knife 6 and the edge covering block 8, of the material pressing plate 5 and the material supporting plate 7 can rise due to the fact that the edge cutting knife 6 and the edge covering block 8 are heated and melted, and the cooling distribution pipes 18 are arranged to control the temperature of the material pressing plate 5 and the material supporting plate 7, so that the main body part of the cover plate material preparation 19 cannot deform due to the temperature rise.
Specifically, the mounting gap between the material pressing plate 5 and the trimming knife 6 is 0.5 +/-0.05 mm, and the mounting gap between the material supporting plate 7 and the edge covering block 8 is 0.7 +/-0.02 mm; the width of the edge covering cavity 22 is 0.7 +/-0.02 mm, and the height is 10-12 mm; the width and the height of the reserved cavity are determined according to the actual design size of the spare tire cover plate, and preferably, the width of the reserved cavity is 4mm, and the height of the reserved cavity is 0.5 mm.
The utility model discloses car spare tyre cover plate periphery mould of borduring, the use is as follows:
s1: placing the cover plate prepared material 19 into the material supporting plate 7;
s2: heating the edge cutting knife 6 and the edge wrapping block 8 to a set temperature, introducing cooling water into cooling pipes 18 of the pressure plate 5 and the retainer plate 7, and controlling the temperature of the pressure plate 5 and the retainer plate 7 to the set temperature;
controlling the temperature of the edge cutting knife 6 to be 170 +/-10 ℃ and controlling the temperature of the edge covering block 8 to be 100 +/-10 ℃; the temperature of the material pressing plate 5 and the material supporting plate 7 is controlled to be 30 +/-10 ℃.
S3: controlling the upper die holder 1 to press downwards to enable the pressure plate 5 to be in contact with the cover plate stock 19, wherein the upper pressure spring 9 and the lower pressure spring 11 are at initial positions;
s4: controlling the upper die holder 1 to continuously press down, and keeping for 45s after performing pre-pressing forming;
controlling the upper die holder 1 to press downwards, compressing the upper pressure spring 9, pressing the cover plate prepared material 19 by the pressure plate 5, and not moving the pressure plate 5 and the cover plate prepared material 19; the trimming knife 6 moves downwards along with the upper die base 1, contacts with the edge of the cover plate material preparation 19 to be heated and melted, then continuously presses downwards until the edge of the trimming knife 6 touches the upper surface of the edge covering block 8, the redundant waste material area on the outer side is cut off, the corresponding edge area of the cover plate material preparation 19 is reserved in the reserved cavity 21 of the trimming knife 6 to be used as a corresponding reserved edge covering, as shown in fig. 6, and the shape of the reserved edge covering of the edge and the cover plate material preparation 19 after completion is as shown in fig. 7.
Fig. 8 is another schematic structural diagram of the cover plate stock 19 after the pre-pressing forming, the shape of the reserved edge is adjusted by adjusting the height difference between the material supporting plate 7 and the edge covering block 8, if the height of the material supporting plate 7 is equal to that of the edge covering block 8, the shape of the reserved edge is shown in fig. 7, if the height of the material supporting plate 7 is lower than that of the edge covering block 8, the shape of the reserved edge is shown in fig. 8, and the height difference between the material supporting plate 7 and the edge covering block 8 is 0-3 mm.
S5: controlling the upper die holder 1 to move upwards, moving the trimming cutter 6 upwards along with the upper die holder 1, keeping the pressure plate 5 in contact with the cover plate prepared material 19, and keeping the upper pressure spring 9 for 10 seconds after the upper pressure spring 9 recovers to the initial position;
s6: controlling the upper die holder 1 to continue pressing downwards, controlling the edge-covering oil cylinder 10 to push the material pressing plate 5 to press downwards, and keeping for 20s after edge covering forming is carried out;
s61: controlling the upper die holder 1 to press downwards, compressing the upper pressure spring 9, pressing the cover plate prepared material 19 by the pressure plate 5, and not moving the pressure plate 5 and the cover plate prepared material 19; the trimming knife 6 moves downwards along with the upper die holder 1 until the edge of the trimming knife 6 touches the upper surface of the edge covering block 8, and a reserved cavity 21 of the trimming knife 6 is in contact with the reserved edge to be heated and melted;
s62: a binding oil cylinder 10 in the upper die holder 1 pushes the material pressing plate 5 to continuously press downwards, a lower pressure spring 11 in the material supporting plate 7 is compressed, and the cover plate prepared material 19 moves downwards along with the material pressing plate 5 and the material supporting plate 7;
s63: the heated and melted reserved binding edges flow into a binding cavity 22 of the binding block 8 for binding. As shown in fig. 9, if the height of the retainer plate 7 is equal to the height of the edge covering block 8, the edge covering shape of the finished back cover plate stock 19 is as shown in fig. 10, which corresponds to fig. 7 of the pre-pressing forming; if the height of the retainer plate 7 is lower than that of the edge covering block 8, the edge covering shape of the finished cover plate stock 19 is shown in fig. 11, which corresponds to fig. 8 of the pre-pressing forming.
S7: and controlling the upper die holder 1 to move upwards, restoring the material supporting plate 7 and the material pressing plate 5 to the original positions under the elastic force action of the lower pressure spring 11 and the upper pressure spring 9, finishing edge covering, and taking out an edge covering finished product.
To sum up, the automobile spare tire cover plate periphery edge covering die provided by the embodiment of the utility model adopts a heating and melting mode to heat and then edge cover materials in an edge covering area, and the surface smoothness is good after edge covering; the edge cutting knife 6 is adopted to cut the reserved edge covering area, so that the uniformity of each position is ensured, the uniformity of the thickness during edge covering is favorably realized, the uniformity of the flatness is ensured, and the quality of edge covering is ensured; the edge covering cavity 22 is arranged, the edge cutting knife 6 is not in direct contact with the edge covering cavity 22, the edge covering material is guaranteed to smoothly flow into the cavity, overflowing is effectively avoided, and the edge covering effect is guaranteed.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The automobile spare tire cover plate periphery edge covering die is characterized by comprising an upper die and a lower die, wherein the upper die is arranged in an upper die base, the lower die is arranged in a lower die base, the upper die base and the lower die base are matched with each other, a pressure plate is connected in a cavity of the upper die through a lifting mechanism, and an edge cutting knife is arranged at the edge of the upper die; the die cavity of the lower die is connected with a material supporting plate through a lower pressure spring, the material supporting plate is arranged corresponding to the material pressing plate, an edge covering block is arranged in the lower die and corresponds to the position of the edge cutting knife, a transverse reserved cavity is arranged on the inner side of the edge cutting knife, and a longitudinal edge covering cavity is arranged on the inner side of the edge covering block.
2. The automobile spare tire cover plate peripheral edge covering die of claim 1, wherein the lifting mechanism comprises an upper pressure spring and an edge covering oil cylinder, the upper pressure spring realizes the pressing of the pressure plate in the pre-pressing forming stage, and the edge covering oil cylinder realizes the pressing of the pressure plate in the edge covering forming stage.
3. The automobile spare tire cover plate periphery taping die of claim 1, wherein a middle hole cutter is arranged in the middle of the upper die, a middle hole taping support is arranged on the lower die corresponding to the middle hole cutter, a transverse reserved cavity is arranged on the periphery of the knife edge of the middle hole cutter, a longitudinal taping cavity is arranged on the periphery of the middle hole taping support, and a space for relative movement between the material pressing plate and the material supporting plate is reserved on the periphery of the middle hole cutter and the middle hole taping support.
4. The automobile spare tire cover plate periphery edge covering die as claimed in claim 1, wherein the edge cutting knife and the edge covering block are connected with a heating device, the temperature of the edge cutting knife is 160-180 ℃, and the temperature of the edge covering block is 90-110 ℃; cooling pipes are arranged in the material pressing plate and the material supporting plate, and the temperature of the material pressing plate and the temperature of the material supporting plate are 20-40 ℃.
5. The automobile spare tire cover plate periphery hemming die of claim 1 wherein the mounting gap between the pressure plate and the trimming knife is 0.45-0.55mm, and the mounting gap between the retainer plate and the hemming block is 0.68-0.72 mm; the width of the edge covering cavity is 0.68-0.72mm, and the height of the edge covering cavity is 10-12 mm.
6. The automobile spare tire cover plate peripheral edge covering die as claimed in claim 1, wherein upper limiting columns are arranged at four corners of the upper die base, and guide grooves are formed in the upper limiting columns; the four corners of the lower die holder are provided with lower limiting columns, the lower limiting columns are provided with guide columns matched with the guide grooves, the upper die holder and the lower die holder are inserted into the guide grooves through the guide columns for guiding and positioning, and limiting is performed through limiting tables of the lower limiting columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064961.6U CN212242188U (en) | 2020-06-11 | 2020-06-11 | Automobile spare tire cover plate periphery edge covering die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064961.6U CN212242188U (en) | 2020-06-11 | 2020-06-11 | Automobile spare tire cover plate periphery edge covering die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212242188U true CN212242188U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021064961.6U Active CN212242188U (en) | 2020-06-11 | 2020-06-11 | Automobile spare tire cover plate periphery edge covering die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212242188U (en) |
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2020
- 2020-06-11 CN CN202021064961.6U patent/CN212242188U/en active Active
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