CN212733832U - Swing block bending structure of mould - Google Patents
Swing block bending structure of mould Download PDFInfo
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- CN212733832U CN212733832U CN202021065722.2U CN202021065722U CN212733832U CN 212733832 U CN212733832 U CN 212733832U CN 202021065722 U CN202021065722 U CN 202021065722U CN 212733832 U CN212733832 U CN 212733832U
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Abstract
A swing block bending structure of a die comprises a lower die device and an upper die device matched with the lower die device; the lower die device comprises a bottom plate, a lower die plate and a swinging block, wherein the lower die plate is arranged on the bottom plate and used for placing a workpiece, the swinging block is arranged above the lower die plate through a rotating shaft, one side of the workpiece extends out of the lower die plate, and the swinging block is positioned above one side of the workpiece extending out of the lower die plate; the upper die device comprises a top plate, a pressing block, an ejector pin and a spring, wherein the pressing block is arranged at the bottom of the top plate and used for pressing the swing block downwards and driving the swing block to rotate so as to bend a workpiece, the ejector pin is arranged at the bottom of the top plate, the spring is arranged between the top plate and the ejector pin and used for resetting the swing block, and the pressing block and the ejector pin are respectively positioned on the left side and the right side above the rotating shaft. The utility model discloses can process and the horizontal plane between contained angle A be less than 90 work piece portion of bending.
Description
Technical Field
The utility model relates to a pendulum piece bending structure of mould.
Background
Referring to fig. 1 and 2, a workpiece 5 is a flat product, the right side of the workpiece 5 needs to be bent, after the bending is completed, an included angle a between a bending portion 19 and a horizontal plane is smaller than 90 °, and a conventional bending punch moving vertically up and down cannot bend a product with an included angle smaller than 90 °, so that the production requirement cannot be met, and certain limitations exist.
Therefore, it is necessary to design a structure that can be used for machining the bent portion 19 of the workpiece 5.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pendulum piece bending structure of mould, its contained angle A that can process and between the horizontal plane is less than 90 work piece portion of bending.
The purpose of the utility model is realized like this:
a swing block bending structure of a die comprises a lower die device and an upper die device matched with the lower die device;
the lower die device comprises a bottom plate, a lower die plate and a swinging block, wherein the lower die plate is arranged on the bottom plate and used for placing a workpiece, the swinging block is arranged above the lower die plate through a rotating shaft, one side of the workpiece extends out of the lower die plate, and the swinging block is positioned above one side of the workpiece extending out of the lower die plate;
the upper die device comprises a top plate, a pressing block, an ejector pin and a spring, wherein the pressing block is arranged at the bottom of the top plate and used for pressing the swing block downwards and driving the swing block to rotate so as to bend a workpiece, the ejector pin is arranged at the bottom of the top plate, the spring is arranged between the top plate and the ejector pin and used for resetting the swing block, and the pressing block and the ejector pin are respectively positioned on the left side and the right side above the rotating shaft.
One side of the upper portion of the swing block is provided with a boss opposite to the ejector pin, the other side of the upper portion of the swing block is provided with a first arc-shaped surface, and the bottom of the pressing block is provided with a second arc-shaped surface in transmission connection with the first arc-shaped surface.
The bottom of the pressing block is provided with a first inclined plane part which is connected to the outer side of the second arc-shaped surface and is tangent to the second arc-shaped surface.
The lower die device comprises a limiting block which is arranged on the bottom plate, positioned on the side part of the lower die plate and used for being matched with the swinging block, and the limiting block is positioned below the workpiece which extends out of one side of the lower die plate.
The lower part of the inner side face of the swing block is provided with a second inclined plane part, the distance between the second inclined plane part and the outer side face of the swing block is gradually increased from top to bottom, a third inclined plane part matched with the second inclined plane part is arranged on the outer side face of the limiting block, and the distance between the third inclined plane part and the inner side face of the limiting block is gradually reduced from top to bottom.
The top end of the second inclined plane part is connected with a second arc corner, a third arc corner matched with the second arc corner is arranged on the upper part of the outer side of the limiting block, and the top end of the third inclined plane part is connected with the third arc corner.
The inner side of the bottom of the swing block is provided with a first arc corner, and the bottom end of the second inclined plane part is connected with the first arc corner.
The right side of the workpiece extends out of the lower template, and the ejector pin is located on the left side of the pressing block.
The lower die device comprises two groups of mounting plates which are arranged on the bottom plate at intervals along the front and the back, the two groups of mounting plates are respectively positioned at the front and the back of the swinging block, the pressing block and the ejector pin, and the front side and the back side of the rotating shaft are respectively arranged on the two groups of mounting plates.
The utility model has the advantages as follows:
the swing block bending structure of the die is simple, a workpiece bending part with an included angle A between the swing block bending structure and the horizontal plane being smaller than 90 degrees can be machined, and production requirements are met.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a pendulum block according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a pressing block according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-4, the swing block bending structure of the mold comprises a lower mold device and an upper mold device matched with the lower mold device;
the lower die device comprises a bottom plate, a lower die plate 2 arranged on the bottom plate and used for placing a workpiece 5, and a swinging block 4 arranged above the lower die plate 2 through a rotating shaft 3, wherein one side of the workpiece 5 extends out of the lower die plate 2, and the swinging block 4 is positioned above one side of the workpiece 5 extending out of the lower die plate 2;
the upper die device comprises a top plate 18, a pressing block 6, an ejector pin 7 and a spring, wherein the pressing block 6 is arranged at the bottom of the top plate 18 and used for pressing the swing block 4 downwards and driving the swing block 4 to rotate so as to bend the workpiece 5, the ejector pin 7 is arranged at the bottom of the top plate 18, the spring is arranged between the top plate 18 and the ejector pin 7 and used for resetting the swing block 4, and the pressing block 6 and the ejector pin 7 are respectively located on the left side and the right side above the rotating shaft.
The swing block bending structure of the die is simple, the workpiece 5 bending part 19 with the included angle A between the swing block bending structure and the horizontal plane being smaller than 90 degrees can be machined, and production requirements are met.
The upper die device moves downwards, the pressing block 6 presses the right side of the upper part of the swinging block 4 downwards, the swinging block 4 rotates clockwise by taking the rotating shaft 3 as a center and bends the workpiece 5, meanwhile, the swinging block 4 drives the ejector pin 7 to move upwards, and the ejector pin 7 compresses the spring; after the bending is finished, the upper die device resets upwards, the pressing block 6 moves upwards, the spring drives the thimble to move downwards and press the left side of the upper part of the swinging block 4 downwards, the swinging block 4 rotates anticlockwise by taking the rotating shaft 3 as a center to reset, and the swinging block 4 is separated from the workpiece 5.
Referring to fig. 3, the rotating shaft 3 is located at the middle upper part of the pendulum block 4 in the vertical direction, so that the pendulum block 4 rotates clockwise to contact with the workpiece 5 and bend the workpiece 5, and the pendulum block 4 rotates counterclockwise to reset and can be separated from the workpiece 5.
Further, the right side of the workpiece 5 extends outwards out of the lower template 2, and the thimble 7 is located on the left side of the pressing block 6.
Furthermore, a boss 8 opposite to the thimble 7 is arranged on one side of the upper part of the swing block 4, a first arc-shaped surface 9 is arranged on the other side of the upper part of the swing block 4, and a second arc-shaped surface 10 in transmission connection with the first arc-shaped surface 9 is arranged at the bottom of the press block 6.
The boss 8 is located on the left side of the upper portion of the swing block 4, the first arc-shaped surface 9 is located on the right side of the upper portion of the swing block 4, and the second arc-shaped surface 10 is arranged on the left side of the bottom of the pressing block 6 in a concave shape.
Further, the bottom of the pressing block 6 is provided with a first inclined plane part 11 which is connected to the outer side of the second arc-shaped surface 10 and is tangent to the second arc-shaped surface 10, referring to fig. 1, when the upper die device is in a non-pressing state, the first inclined plane part 11 is in contact with the outer side surface of the swinging block 4.
Further, the lower die device comprises a limiting block 12 which is arranged on the bottom plate, located on the side portion of the lower die plate 2 and used for being matched with the swing block 4, the limiting block 12 is located below the workpiece 5 which extends out of one side of the lower die plate 2, referring to fig. 2, the limiting block 12 is located between the lower die plate 2 and the swing block 4, and the outer side face of the limiting block 12 is used for supporting a bending portion 19 of the workpiece 5.
Further, a second inclined plane portion 13 is arranged at the lower portion of the inner side face of the swing block 4, referring to fig. 3, the distance between the second inclined plane portion 13 and the outer side face of the swing block 4 is gradually increased from top to bottom, a third inclined plane portion 14 matched with the second inclined plane portion 13 is arranged on the outer side face of the limiting block 12, and the distance between the third inclined plane portion 14 and the inner side face of the limiting block 12 is gradually decreased from top to bottom.
The included angle between the second inclined plane part 13 and the horizontal plane and the included angle between the third inclined plane part 14 are A, A is smaller than 90 degrees and corresponds to the bending angle of the bending part 19 of the workpiece 5, and the bending part 19 is tightly pressed between the limiting block 12 and the swing block 4.
Further, a second arc corner 15 is connected to the top end of the second inclined surface portion 13, a third arc corner 16 matched with the second arc corner 15 is arranged at the upper portion of the outer side of the limiting block 12, and the top end of the third inclined surface portion 14 is connected with the third arc corner 16.
The second arc corner 15 and the third arc corner 16 are arranged to enable the bending part of the workpiece 5 to form arc transition.
Further, a first arc corner 17 is arranged on the inner side of the bottom of the swing block 4, and the bottom end of the second inclined plane part 13 is connected with the first arc corner 17.
When the swinging block 4 bends the workpiece 5, the inner side of the bottom of the swinging block 4 is firstly contacted with the workpiece 5, and the damage to the workpiece 5 when the swinging block 4 is contacted with the workpiece 5 is reduced through the arrangement of the first arc corner 17 on the inner side of the bottom of the swinging block 4.
Further, lower die assembly includes that two sets of settings are on the bottom plate and along the mounting panel (not drawn in the picture) that the front and back interval was arranged, and two sets of mounting panels are located stopper 12, pendulum piece 4, briquetting 6 and thimble 7 respectively anterior and rear portion, and both sides set up respectively on two sets of mounting panels around the pivot 3, realize the installation of pivot 3, lower die assembly is including setting up on the bottom plate and being located lower bolster 2 and stopper 12 lateral part and being used for prescribing a limit to the locating piece of 5 lateral parts of work pieces, go up the die assembly including setting up in roof 18 bottom and being located thimble 7 left side and the cope match-plate pattern relative with lower bolster 2, when going up the die assembly and moving down, the cope match-plate pattern sticiss on work piece 5 and fix work piece 5 between cope match-.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (9)
1. A swing block bending structure of a die is characterized by comprising a lower die device and an upper die device matched with the lower die device;
the lower die device comprises a bottom plate, a lower die plate (2) arranged on the bottom plate and used for placing a workpiece (5), and a swinging block (4) arranged above the lower die plate (2) through a rotating shaft (3), wherein one side of the workpiece (5) extends outwards out of the lower die plate (2), and the swinging block (4) is positioned above one side of the workpiece (5) extending outwards out of the lower die plate (2);
the upper die device comprises a top plate (18), a pressing block (6) which is arranged at the bottom of the top plate (18) and used for pressing a swinging block (4) downwards and driving the swinging block (4) to rotate so as to bend a workpiece (5), an ejector pin (7) which is arranged at the bottom of the top plate (18) and a spring which is arranged between the top plate (18) and the ejector pin (7) and used for resetting the swinging block (4), wherein the pressing block (6) and the ejector pin (7) are respectively positioned at the left side and the right side above the rotating shaft (3).
2. The swing block bending structure of the die according to claim 1, wherein a boss (8) opposite to the ejector pin (7) is arranged on one side of the upper portion of the swing block (4), a first arc-shaped surface (9) is arranged on the other side of the upper portion of the swing block (4), and a second arc-shaped surface (10) in transmission connection with the first arc-shaped surface (9) is arranged at the bottom of the pressing block (6).
3. The swing block bending structure of the die according to claim 2, wherein a first inclined plane part (11) connected to the outer side of the second arc-shaped surface (10) and tangent to the second arc-shaped surface (10) is arranged at the bottom of the pressing block (6).
4. The swing block bending structure of the die according to claim 1, wherein the lower die device comprises a limiting block (12) which is arranged on the bottom plate, located on the side portion of the lower die plate (2) and used for being matched with the swing block (4), and the limiting block (12) is located below one side, extending outwards from the lower die plate (2), of the workpiece (5).
5. The swing block bending structure of the die according to claim 4, wherein a second inclined surface portion (13) is arranged at the lower portion of the inner side surface of the swing block (4), the distance between the second inclined surface portion (13) and the outer side surface of the swing block (4) is gradually increased from top to bottom, a third inclined surface portion (14) matched with the second inclined surface portion (13) is arranged on the outer side surface of the limiting block (12), and the distance between the third inclined surface portion (14) and the inner side surface of the limiting block (12) is gradually decreased from top to bottom.
6. The swing block bending structure of the die according to claim 5, wherein a second arc corner (15) is connected to the top end of the second inclined surface portion (13), a third arc corner (16) matched with the second arc corner (15) is arranged at the upper portion of the outer side of the limiting block (12), and the top end of the third inclined surface portion (14) is connected with the third arc corner (16).
7. The swing block bending structure of the die according to claim 5, wherein a first arc corner (17) is arranged on the inner side of the bottom of the swing block (4), and the bottom end of the second inclined surface portion (13) is connected with the first arc corner (17).
8. The swing block bending structure of the die according to claim 1, wherein the right side of the workpiece (5) extends outwards out of the lower die plate (2), and the ejector pin (7) is located on the left side of the pressing block (6).
9. The swing block bending structure of the die according to claim 1, wherein the lower die device comprises two sets of mounting plates which are arranged on the bottom plate and are arranged at intervals in the front and back direction, the two sets of mounting plates are respectively positioned at the front part and the back part of the swing block (4), the pressing block (6) and the ejector pin (7), and the front side and the back side of the rotating shaft (3) are respectively arranged on the two sets of mounting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065722.2U CN212733832U (en) | 2020-06-10 | 2020-06-10 | Swing block bending structure of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065722.2U CN212733832U (en) | 2020-06-10 | 2020-06-10 | Swing block bending structure of mould |
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| Publication Number | Publication Date |
|---|---|
| CN212733832U true CN212733832U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021065722.2U Active CN212733832U (en) | 2020-06-10 | 2020-06-10 | Swing block bending structure of mould |
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| CN (1) | CN212733832U (en) |
Cited By (1)
| 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 |
-
2020
- 2020-06-10 CN CN202021065722.2U patent/CN212733832U/en active Active
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 |
| 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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