CN212310516U - Double-track traceless bending forming die for refrigerator door shell round corner - Google Patents
Double-track traceless bending forming die for refrigerator door shell round corner Download PDFInfo
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- CN212310516U CN212310516U CN202020785185.2U CN202020785185U CN212310516U CN 212310516 U CN212310516 U CN 212310516U CN 202020785185 U CN202020785185 U CN 202020785185U CN 212310516 U CN212310516 U CN 212310516U
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Abstract
The utility model relates to a household electrical appliances mould technical field of bending, concretely relates to refrigerator door shell fillet double track does not have trace forming die that bends, including the cope match-plate pattern, set up the mould pressing flitch seat on the cope match-plate pattern, go up the pressure flitch, go up the mould drive block fixing base, turn over the board and turn over the board fixed block, the lower bolster sets up middle lower mould, shaping terrace die and the lower mould drive block on the lower bolster, still is fixed with the connecting rod seat on the cope match-plate pattern, the connecting rod seat rotates the one end of connecting the drive connecting rod, and the other end of drive connecting rod rotates with turning over the board and be connected, turn over and be provided with two spouts on the board fixed block, turn over and be provided with the sliding block on the position that corresponds with every spout. The utility model discloses the movement track that will turn over the board is the double track, makes the movement track control that turns over the board more accurate, guarantees product quality, reduces the rejection rate.
Description
Technical Field
The utility model relates to a household electrical appliances mould technical field of bending, concretely relates to refrigerator door shell fillet double track does not have trace forming die that bends.
Background
The refrigerator door shell is made of VCM plates, stainless steel and PCM plates at present. The requirements of surface quality and dimensional accuracy of the refrigerator door shell are high, and macroscopic collision scratch marks cannot be formed on the surface of the refrigerator door shell. The conventional process that the fillet was rolled over to refrigerator door shell has two kinds, one kind is the mode that adopts the punching press, lets refrigerator door shell directly bend, and the department of bending forms the fillet, but in fact, what the department of bending formed is the right angle, appears the phenomenon of corrugating in the department of bending, and the fillet is less, and the phenomenon of corrugating is more obvious, influences the surface quality of refrigerator door shell. The other mode is that the fillet is firstly folded and then the edge is turned, and the mode that the edge is pushed at 45 degrees is adopted in the process of turning the edge, but the phenomenon of scratch is easy to occur, so that the surface quality of the refrigerator door shell is influenced, and the scratched part is easy to rust. The two modes can not meet the bending requirement of the refrigerator door shell, and particularly the bending of the small round angle causes that the surface quality of the refrigerator door shell can not meet the requirement. The invention patent with the publication number of CN 105798172B discloses a refrigerator door shell fillet bending forming die, which adopts a mode that a turning plate rotating shaft moves along a sliding groove when a turning plate turns over, so that the rotating center of the turning plate is not fixed, and the turning plate can rotate along the fillet to be formed when the fillet is bent, thereby realizing the small R corner seamless bending forming of a refrigerator door, realizing R3 at the minimum fillet, enabling the material at the outer edge to shrink uniformly, avoiding the wrinkling phenomenon caused by the accumulation of the material at the edge, and ensuring the surface quality of the refrigerator door shell.
However, the upper die driving block of the patent drives the turning plate to move in the single track groove of the turning plate fixing seat, the single track line is used for controlling the movement of the turning plate, the degree of freedom of the turning plate is large, so that the actual movement track of the turning plate has a certain error with the theoretical design, a refrigerator has a plurality of models, one door shell product can be produced by steel plates with various materials, thicknesses and dozens of colors, and is influenced by the physical properties of raw materials of the door shell and the hardness and thickness of a color film covered on the surface of the door shell, when the color film covered on the surface of a certain material is soft, the appearance defects such as plastic film scratch and the like can occur on the surface of the round corner of the door shell bent by adopting the technical scheme of the patent, and the production.
Disclosure of Invention
An object of the utility model is to provide a refrigerator door shell fillet double track does not have trace forming die that bends, the movement track that will turn over the board is the double track trace, makes the movement track control of turning over the board more accurate for when this mould processing surface covers has the soft color film, appearance defects such as various membrane scotch can not appear in the process of bending, guarantees product quality, reduces the rejection rate, and the fillet of the refrigerator door shell that can adapt to different materials simultaneously is bent the shaping, has improved the commonality of this mould.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a refrigerator door shell fillet double track does not have trace forming die that bends, includes the cope match-plate pattern, sets up the upper die moulding flitch seat on the cope match-plate pattern, goes up the flitch, goes up the mould drive block, goes up mould drive block fixing base, turns over the board and turns over the board fixed block, and the lower bolster sets up middle lower mould, shaping terrace die and the lower mould drive block on the lower bolster, be provided with a plurality of guide posts between cope match-plate pattern and the last flitch, still be fixed with the connecting rod seat on the cope match-plate pattern, the connecting rod seat rotates the one end of connecting drive connecting rod, and the other end of drive connecting rod is rotated with turning over the board and being connected, turn over and be provided with two spouts on the board fixed block, turn over and be provided with the sliding block on the position that.
Preferably, the two chutes are involute chutes.
Preferably, the sliding blocks move in the corresponding sliding grooves to rotate the turning plates by 90 degrees.
Preferably, the other end of the driving connecting rod extends out of a through hole at a corresponding position on the upper die pressure plate seat.
Preferably, one end of the turning plate fixing block is fixed on the upper die pressing material plate seat, and the other end of the turning plate fixing block extends out of the through hole at the corresponding position on the lower die plate.
Preferably, the upper die driving block is fixed on two sides of the upper die driving block fixing seat.
Preferably, the distance between the forming male die and the turning plate is the thickness of the refrigerator door shell.
Compared with the prior art, the beneficial effects of the utility model reside in that:
compared with the prior art, the utility model, the single-track spout on the fixed block of the turning plate is improved into the double-track spout, so that the movement track of the turning plate is changed from the single track to the double tracks, the movement track control of the turning plate is more accurate, when the mold is coated with a soft color film on the processing surface, the appearance defects such as scratch of the color film and the like can not occur in the bending process, the product quality is ensured, the rejection rate is reduced, meanwhile, the fillet bending forming of the refrigerator door shell made of different materials can be adapted, and the universality of the mold is improved; in addition, the turnover driving mode of the turnover plate is improved to be driven by a connecting rod through universal mounting springs, so that the turnover angle of the turnover plate can be adjusted by controlling the descending depth degree of the press machine, the size of a refrigerator door shell fillet is adjusted, and the adjustment of the forming angle is convenient.
Drawings
Fig. 1 is the utility model discloses refrigerator door shell fillet double track does not have trace forming die's operating condition sketch map of bending.
Fig. 2 is the utility model discloses the structural schematic diagram after cope match-plate pattern and lower bolster separation among the refrigerator door shell fillet double track no trace forming die that bends.
Fig. 3 is the structural schematic diagram of a-a direction in fig. 2 of the double-track seamless bending forming mold for the rounded corner of the refrigerator door shell of the utility model.
Fig. 4 is a schematic structural diagram of the direction B-B in fig. 2 of the double-track seamless bending forming die for the rounded corner of the refrigerator door shell of the utility model.
In the drawings, the reference numbers: 1 is the lower bolster, 2 is middle lower mould, 3 is the shaping terrace die, 4 is the lower mould drive block, 5 is turning over the board, 6 is turning over the board fixed block, 7 is the drive connecting rod, 8 is the connecting rod seat, 9 is the cope match-plate pattern, 10 is the last pressure flitch seat, 11 is last pressure flitch, 12 is last mould drive block, 13 is the pull rod of unloading, 14 is the guide post, 15 is last mould drive block fixing base.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, a refrigerator door shell fillet double-track seamless bending forming mold comprises an upper mold plate 9, an upper mold pressing material plate seat 10, an upper material plate 11 and an upper mold driving block 12 which are arranged on the upper mold plate 9, go up mould drive block fixing base 15, turn over board 5 and turn over board fixed block 6, lower bolster 1, the middle lower mould 2 of setting on lower bolster 1, shaping terrace die 3 and lower mould drive block 4, be provided with a plurality of guide posts 14 between cope match-plate pattern 9 and the last pressure flitch 11, still be fixed with connecting rod seat 8 on the cope match-plate pattern 9, connecting rod seat 8 rotates the one end of connecting drive connecting rod 7, the other end of drive connecting rod 7 with turn over board 5 and rotate and be connected, turn over and be provided with two spouts on the board fixed block 6, turn over and be provided with the sliding block on the position that corresponds with every spout on board 5, the sliding block makes to turn over board 5 can comply with the fillet that will be.
It should be noted that the two chutes are involute chutes, and the center of the base circle of the involute chute is the center of the corner on the two sides of the forming male die 3. The driving connecting rod 7 is an arc-shaped connecting rod, and the maximum stroke of the driving connecting rod 7 is the maximum stroke of the turnover plate 5 in the turnover process.
As an embodiment, the sliding block moves in the corresponding sliding slot to rotate the turning plate 5 by 90 °, that is, the folding angle of the refrigerator door shell is 90 °.
Specifically, the other end of the driving connecting rod 7 extends out of a through hole at a corresponding position on the upper die pressing material plate seat 10, and the size of the through hole is larger than the movement amplitude of the driving connecting rod 7, so that the driving connecting rod 7 can freely move in the process that the upper die plate 9 drives the driving connecting rod 7 to move downwards.
Specifically, one end of the turning plate fixing block 6 is fixed on the upper die pressing material plate seat 10, and the other end of the turning plate fixing block extends out of a through hole at a corresponding position on the lower die plate 1, and the size of the through hole is larger than the sectional area of the turning plate fixing block 6, so that the turning plate fixing block 6 can freely move when the upper die pressing material plate seat 10 drives the turning plate fixing block 6 to move downwards.
The upper die driving block 12 is fixed on two sides of the upper die driving block fixing seat 15, and the distance between the forming male die 3 and the turning plate 5 is the thickness of the refrigerator door shell. The forming male die 3 is of a slidable structure, a slide way is arranged on the upper side face of the lower die plate 1, when the forming male die is pressed down, the upper die plate 9 moves downwards, the upper die driving block 12 enters a gap between the forming male die 3 and the middle lower die 2 and acts on the lower die driving block 4, the forming male die 3 is further pushed to slide towards the left side and the right side, a refrigerator door shell to be formed on the forming male die 3 is close to the turnover plate 5, after the forming is carried out, the upper die plate 9 moves upwards, the upper die driving block 12 moves upwards and returns to be separated from the lower die driving block 4, the forming male die 3 slides towards the middle, and the formed refrigerator door shell is. When the material of the refrigerator door shell to be formed is thick (the general thickness error is 0.1 mm), the left-right sliding distance of the forming male die 3 is reduced by slightly adjusting the upper die driving block 12 outwards so as to adapt to the material of the refrigerator door shells with different thicknesses.
In the process of forming the rounded corner of the refrigerator door shell, the upper die plate 9 descends, and the upper die driving block 12 descends to act on the lower die driving block 4 so as to enable the forming male die 3 to slide towards the left side and the right side, so that a material sheet to be formed on the forming male die 3 is close to the turning plate 5; the upper template 9 continues to descend, and the upper material pressing plate 11 presses on the refrigerator door shell to be formed; the upper template 9 continues to move downwards, the upper template 9 drives the connecting rod seat 8 to move downwards, the connecting rod seat 8 drives the driving connecting rod 7 to move downwards, the driving connecting rod 7 drives the turning plate 5 to turn over in the double-track groove of the turning plate fixing block 6 according to a set track, the refrigerator door shell fillet is bent by 90 degrees, and finally the bending forming of the door shell is completed. After compression molding, the upper die plate 9 drives the upper die pressing material plate seat 10 to move upwards through the discharging pull rod 13, the upper die driving block 12 returns upwards, after the upper die plate 9 moves to a specified position, the molded refrigerator door shell is detached, and then the next refrigerator door shell to be molded is put on for the next round of work.
Compared with the prior art, the utility model, the single-track spout on the fixed block 6 of the turning plate is improved into the double-track spout, so that the movement track of the turning plate 5 is changed from the single track into the double tracks, the movement track control of the turning plate 5 is more accurate, when the mold processing surface is covered with a soft color film, the appearance defects such as scratch of the color film and the like can not occur in the bending process, the product quality is ensured, the rejection rate is reduced, meanwhile, the fillet bending forming of the refrigerator door shell made of different materials can be adapted, and the universality of the mold is improved; in addition, the turnover driving mode of the turning plate 5 is also improved into a connecting rod drive mode by the drive of a universal mounting spring, so that the turnover angle of the turning plate 5 can be adjusted by controlling the descending depth degree of the press machine, the size of a refrigerator door shell fillet is further adjusted, and the adjustment of the forming angle is convenient.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and it is obvious to those skilled in the art that other embodiments can be easily made by replacement or change according to the technical content disclosed in the present specification, and therefore, all changes and modifications made in the principle of the present invention should be included in the claims of the present invention.
Claims (7)
1. A refrigerator door shell fillet double-track traceless bending forming die comprises an upper die plate (9), an upper die pressing material plate seat (10), an upper material pressing plate (11), an upper die driving block (12), an upper die driving block fixing seat (15), a turning plate (5) and a turning plate fixing block (6) which are arranged on the upper die plate (9), a lower die plate (1), a middle lower die (2), a forming convex die (3) and a lower die driving block (4) which are arranged on the lower die plate (1), and is characterized in that a plurality of guide columns (14) are arranged between the upper die plate (9) and the upper material pressing plate (11), a connecting rod seat (8) is further fixed on the upper die plate (9), the connecting rod seat (8) is rotatably connected with one end of a driving connecting rod (7), the other end of the driving connecting rod (7) is rotatably connected with the turning plate (5), and two sliding grooves are arranged on the turning plate fixing, the sliding blocks are arranged on the positions, corresponding to the sliding grooves, of the turning plates (5), and the sliding blocks move in the corresponding sliding grooves to enable the turning plates (5) to rotate along with the round corners to be formed.
2. The refrigerator door shell rounded corner double-track seamless bending forming die as claimed in claim 1, wherein the two chutes are involute chutes.
3. The refrigerator door shell rounded corner double-track traceless bending forming die as claimed in claim 1, wherein the sliding block moves in the corresponding sliding groove to rotate the turning plate (5) by 90 degrees.
4. The refrigerator door shell rounded corner double-track traceless bending forming die as claimed in claim 1, wherein the other end of the driving connecting rod (7) extends out of a through hole at a corresponding position on the upper die pressing material plate seat (10).
5. The refrigerator door shell fillet double-track traceless bending forming die as claimed in claim 1, wherein one end of the turning plate fixing block (6) is fixed on the upper die pressing material plate seat (10), and the other end of the turning plate fixing block extends out of a through hole at a corresponding position on the lower die plate (1).
6. The refrigerator door shell fillet double-track traceless bending forming die as claimed in claim 1, wherein the upper die driving block (12) is fixed on two sides of an upper die driving block fixing seat (15).
7. The refrigerator door shell rounded corner double-track traceless bending forming die as claimed in claim 1, wherein the distance between the forming male die (3) and the turning plate (5) is the thickness of the refrigerator door shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020785185.2U CN212310516U (en) | 2020-05-13 | 2020-05-13 | Double-track traceless bending forming die for refrigerator door shell round corner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020785185.2U CN212310516U (en) | 2020-05-13 | 2020-05-13 | Double-track traceless bending forming die for refrigerator door shell round corner |
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| Publication Number | Publication Date |
|---|---|
| CN212310516U true CN212310516U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020785185.2U Active CN212310516U (en) | 2020-05-13 | 2020-05-13 | Double-track traceless bending forming die for refrigerator door shell round corner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029369A (en) * | 2021-09-18 | 2022-02-11 | 青岛海尔模具有限公司 | Die for bending workpiece and control method thereof |
| CN114029370A (en) * | 2021-09-18 | 2022-02-11 | 青岛海尔模具有限公司 | Die for bending workpiece and control method thereof |
-
2020
- 2020-05-13 CN CN202020785185.2U patent/CN212310516U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029369A (en) * | 2021-09-18 | 2022-02-11 | 青岛海尔模具有限公司 | Die for bending workpiece and control method thereof |
| CN114029370A (en) * | 2021-09-18 | 2022-02-11 | 青岛海尔模具有限公司 | Die for bending workpiece and control method thereof |
| CN114029370B (en) * | 2021-09-18 | 2024-04-12 | 卡奥斯模具(青岛)有限公司 | Die for bending workpiece and control method thereof |
| CN114029369B (en) * | 2021-09-18 | 2024-05-14 | 青岛海尔模具有限公司 | Die for bending workpiece and control method thereof |
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