CN218191828U - Plate pre-bending device for stamping - Google Patents
Plate pre-bending device for stamping Download PDFInfo
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- CN218191828U CN218191828U CN202221984329.2U CN202221984329U CN218191828U CN 218191828 U CN218191828 U CN 218191828U CN 202221984329 U CN202221984329 U CN 202221984329U CN 218191828 U CN218191828 U CN 218191828U
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- side plate
- pressing plate
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Abstract
The utility model relates to a sheet material pre-bending device for stamping, which comprises a bottom plate, a left pressing plate, a right pressing plate, a left side plate, a right side plate and a plurality of adjusting cross rods, wherein the bottom plate, the left pressing plate, the right pressing plate, the left side plate, the right side plate and the plurality of adjusting cross rods are fixedly arranged on a working table of a press machine; the left side and the right side of the front part of the bottom plate are respectively fixedly connected with a left pressing plate and a right pressing plate, the left pressing plate and the right pressing plate are respectively fixedly connected with a T-shaped groove of a press workbench through T-shaped bolts, and the left side and the right side of the rear part of the bottom plate are respectively fixedly connected with a left side plate and a right side plate; the surface of the left side plate and the surface of the right side plate are uniformly distributed with a plurality of groups of through holes with central connecting lines in arc lines, and two ends of a plurality of adjusting cross rods are respectively inserted into a pair of through holes which are connected to the surfaces of the left side plate and the right side plate in symmetrical positions. Different arc shapes are formed by adjusting the mounting positions of the adjusting cross rods, pre-bending of various plate shapes can be met, and the pre-bending consistency is good.
Description
Technical Field
The utility model relates to an automobile process equips the field, especially relates to a sheet material preflex device for punching press.
Background
In the production of automobile stamping parts, pre-bending is an indispensable processing procedure of most beam stamping parts before forming and processing. The uniformity of the pre-bending directly affects the final forming quality of the part. At present, the pre-bending of beam stamping parts before forming mainly comprises the following two technical means: firstly, a special pre-bending die is developed, and secondly, manual pre-bending is adopted. The development of special tools increases the cost input and production cost of the die, and the manual pre-bending requires experience of operators, so that the consistency of the pre-bending is poor, waste products are easily caused, and the forming quality of parts is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special preflex mould is replaced with panel material preflex device in punching press, can satisfy the preflex processing of multiple part.
In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:
a sheet material pre-bending device for stamping comprises a bottom plate, a left pressing plate, a right pressing plate, a left side plate, a right side plate and a plurality of adjusting cross rods, wherein the bottom plate, the left pressing plate, the right pressing plate, the left side plate and the right side plate are fixedly arranged on a working table of a press;
the bottom plate is rectangular, the left side and the right side of the front part of the bottom plate are respectively and fixedly connected with a left pressing plate and a right pressing plate, the left pressing plate and the right pressing plate are respectively and fixedly connected with a T-shaped groove of a press workbench through T-shaped bolts, and the left side and the right side of the rear part of the bottom plate are respectively and fixedly connected with a left side plate and a right side plate;
the left side plate and the right side plate are semicircular, and a plurality of groups of through holes with arc-shaped central connecting lines are uniformly distributed on the surfaces of the left side plate and the right side plate;
the two ends of the plurality of adjusting cross rods are respectively inserted into a pair of through holes which are connected to the surfaces of the left side plate 4 and the right side plate 5 and are in symmetrical positions, and the through holes are sequentially arranged to form an arc surface structure matched with the pre-bending radian of the plate.
As a further explanation of the utility model: the positioning device is characterized by also comprising a positioning pin, wherein a plurality of groups of through holes are formed in the surface of the bottom plate, threaded holes are formed in two sides of the bottom plate, and the positioning pin is fixedly arranged in the through holes in the surface of the bottom plate;
the bottom surface of the bottom plate is provided with a through groove with an inverted-U-shaped section, the width dimension of the through groove is 10mm larger than that of a plate material to be pre-bent, and the height dimension of the through groove is 1mm larger than that of the plate material to be pre-bent.
As a further explanation of the utility model: the left pressing plate and the right pressing plate are J-shaped, a U-shaped groove is formed in the middle of the left pressing plate and the right pressing plate, the opening size of the U-shaped groove is the same as that of the upper portion of a T-shaped groove of a press workbench, and the distance between the left pressing plate and the U-shaped groove of the right pressing plate is an integral multiple of the distance between the T-shaped grooves of the press workbench.
As a further explanation of the utility model: the central line of each group of through holes on the surfaces of the left side plate and the right side plate is parallel to the arc lines at the edges of the left side plate and the right side plate, and the lower ends of the left side plate and the right side plate are provided with a rectangular left side plate mounting part and a rectangular right side plate mounting part.
As a further explanation of the utility model: the left side plate mounting part and the right side plate mounting part are respectively fixedly connected with the left side and the right side of the rear part of the bottom plate through the fastening screws; the left pressing plate and the right pressing plate are provided with through holes at the side edges and are respectively and fixedly connected with the left side and the right side of the front part of the bottom plate through fastening screws.
As a further explanation of the utility model: the diameter of the adjusting cross rod is 0.1mm smaller than the diameter of the through holes in the surfaces of the left side plate and the right side plate.
As a further explanation of the utility model: the diameter of the positioning pin is 0.1mm smaller than that of the through hole on the surface of the bottom plate, and the height of the positioning pin is 10mm larger than the thickness of the bottom plate.
Compared with the prior art, the utility model discloses following profitable technological effect has:
1. the flexibility is good, and the prebending processing of various parts can be met. Through be provided with the multiunit through-hole on left side board and right side board, can adjust the mounted position of adjusting the horizontal pole and form different arcuations to satisfy the processing of the preflex of different parts, can satisfy the preflex of multiple sheet material shape, and the preflex uniformity is better.
2. The operation is simple and convenient. The left pressing plate and the right pressing plate are provided with U-shaped grooves matched with a press workbench, the plate pre-bending device for stamping is installed on the press workbench, and after pre-bending operation is completed, forming processing can be directly performed, so that the operation of a processing person is convenient, and the production efficiency can be improved.
3. The manufacturing cost is low. Compared with a special pre-bending die, the designed plate pre-bending device has the advantages of low manufacturing cost, short manufacturing period and the like.
Drawings
Fig. 1 is a perspective view of the present invention installed on a press table;
fig. 2 is a left side view schematically illustrating the installation of the present invention on the press table;
fig. 3 is a schematic top view of the press table of the present invention;
fig. 4 is a schematic view of the present invention;
fig. 5 is a schematic bottom plate of the present invention;
fig. 6 is a schematic cross-sectional view of the bottom plate of the present invention;
fig. 7 is a schematic view of the left press plate of the present invention;
fig. 8 is a schematic view of a left side plate of the present invention;
fig. 9 is an arc-shaped schematic view of a plurality of adjusting cross bars of the present invention;
fig. 10 is a schematic view of the installation of the positioning pin of the present invention.
Description of the reference numerals
1. A base plate; 2. a left press plate; 3. a right pressure plate; 4. a left side plate; 5. a right side plate; 6. adjusting the cross bar; 7. positioning pins; 8. fastening a bolt; 9. a T-bolt; 10. a press worktable; 11. a left side plate mounting portion; 12. a right side plate mounting portion.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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.
As shown in fig. 1 to 10, the embodiment of the utility model discloses a sheet material preflex device for punching press, including bottom plate 1, left clamp plate 2, right clamp plate 3, left side board 4, right side board 5 and a plurality of adjusting horizontal pole 6 of fixed mounting on the press workstation, sheet material preflex device for punching press is bilateral symmetry structure.
The bottom plate 1 is the rectangle, and the anterior left and right sides of bottom plate 1 respectively with left clamp plate 2 and right clamp plate 3 fixed connection, left side clamp plate 2 and right clamp plate 3 respectively through T shape bolt 9 and press machine workstation 1's T-slot fixed connection, the bottom plate 1 rear portion left and right sides respectively with left side board 4 and right side board 5 fixed connection.
The left side plate 4 and the right side plate 5 are semicircular and vertical to the surface of the bottom plate 1, the lower ends of the left side plate 4 and the right side plate 5 are provided with a rectangular left side plate mounting part 11 and a rectangular right side plate mounting part 12, a plurality of groups of through holes with arc-shaped central connecting lines are uniformly distributed on the surfaces of the left side plate 4 and the right side plate 5, and each group of arc lines are parallel to the arc lines at the edges of the left side plate 4 and the right side plate 5;
two ends of the adjusting cross rods 6 are respectively inserted into a pair of through holes which are connected to the surfaces of the left side plate 4 and the right side plate 5 and are in symmetrical positions, and the adjusting cross rods 6 which are sequentially arranged integrally form a cambered surface structure matched with the pre-bending radian of the plate.
The utility model discloses install on press workstation 1 through T type bolt 9 when using, required arc shape is crooked into to sheet material accessible preflex device.
As shown in fig. 2, when the sheet material pre-bending device is installed, the end portions of the left and right side plate installation portions 11 and 12 are aligned with the outer edge of the press table 1, so that positioning and installation are facilitated.
As shown in fig. 3 and 7, the left pressing plate 2 and the right pressing plate 3 are symmetrically arranged on two sides of the bottom plate 1, the left pressing plate 2 and the right pressing plate 3 are J-shaped, a U-shaped groove is arranged in the middle of the bottom plate, the opening size of the U-shaped groove is the same as that of the upper part of a T-shaped groove of the press workbench, the opening of the U-shaped groove faces the outer side of the press workbench, and the distance between the left pressing plate 2 and the right pressing plate 3 is an integral multiple of the distance between the T-shaped grooves of the press workbench 1.
The side edges of the left pressing plate 2 and the right pressing plate 3 are provided with through holes, the distance between the holes is consistent with the distance between the threaded holes arranged on the two sides of the bottom plate 1, and the holes are respectively and fixedly connected with the left side and the right side of the front part of the bottom plate 1 through fastening screws 8.
In this embodiment, 3 sets of through holes are opened on the surfaces of the left side plate mounting part 11 and the right side plate mounting part 12, and are respectively and fixedly connected with the left side and the right side of the rear part of the bottom plate 1 through fastening screws 8.
The left pressing plate 2 and the right pressing plate 3 are provided with U-shaped grooves matched with a machine tool workbench and are arranged on the press machine workbench, after the pre-bending operation is completed, the forming processing can be directly carried out, the operation of a processing person is simple and convenient, and the production efficiency can be effectively improved.
As shown in fig. 3 and 4, the left and right pressing plates 2 and 3, and the left and right side plates 4 and 5 are symmetrically mounted on both sides of the bottom plate 1 by bolts. The plurality of adjusting cross rods 6 penetrate through a pair of through holes in symmetrical positions on the surfaces of the left side plate 4 and the right side plate 5, and can form an arc shape required by pre-bending of the plate. The diameter of the adjusting cross rod 6 is 0.1mm smaller than that of the through holes in the left side plate and the right side plate, and the length of the adjusting cross rod is equal to or slightly longer than the width C of the outer side of the assembled left side plate 4 and the assembled right side plate 5.
As shown in fig. 8, the positions of the sets of through holes disposed on the left side plate 4 and the right side plate 5 are determined according to the shape required for pre-bending the plate, and the number of the through holes may be set as one set or multiple sets, which is determined according to the type of the required pre-bending parts. In this embodiment, the number of the through holes is 3 sets. 3 different arcs are formed by adjusting the mounting positions of the adjusting cross rods, so that pre-bending of various plate shapes can be met, and the pre-bending consistency is good.
As shown in fig. 5, a plurality of sets of through holes are formed in the surface of the base plate 1 for installing the positioning pins 7, the number and the positions of the through holes can be determined according to the types of the parts and the actual positioning requirements, and the through holes can be set into one or more sets to meet the positioning requirements of different parts during pre-bending.
Two sides of the bottom plate 1 are provided with 8 symmetrical threaded holes for installing a left pressing plate 2, a right pressing plate 3, a left side plate 4 and a right side plate 5. The locating pin 7 is installed in the through-hole on bottom plate 1, and quantity is 2 generally, plays the spacing effect of sheet material when using. The diameter of the positioning pin 7 is 0.1mm smaller than that of the through hole on the bottom plate 1, and the height is 10mm larger than the height H of the bottom plate. The cross-section of the positioning pin 7 after installation is schematically shown in fig. 10.
Fig. 6 is a schematic cross-sectional view of the bottom plate 1 of the present invention. The bottom surface of the bottom plate 1 is provided with a through groove with a reverse-U-shaped section for the plate to pass through. The width of the through groove is determined according to the width of a plate to be pre-bent, the width b of the through groove can be designed to be 10mm larger than the width of the plate to be pre-bent, and the height h of the through groove is 1mm larger than the thickness of the plate to be pre-bent.
The through groove is used for penetrating through the plate during pre-bending processing, and the through hole is used for penetrating through the positioning pin to play a positioning role during pre-bending processing of the plate.
The method comprises the following specific operation steps:
1. and (3) mounting the plate pre-bending device on the press workbench 1 through a T-shaped bolt 9.
2. According to different types of products, the installation position of the adjusting cross rod is adjusted to form a cambered surface structure matched with the pre-bending radian of the plate.
3. And placing the plate to be processed into the through groove below the bottom plate, limiting the position of the plate by using a positioning pin, and manually pre-bending the plate to be processed along the cambered surface of the adjusting cross rod by a worker.
4. And taking out the pre-bent plate after the pre-bending operation is finished, and directly putting the pre-bent plate into a special die of a press machine for forming and processing.
The utility model has the advantages of easy operation is convenient, low in manufacturing cost, the preflex uniformity is good and can satisfy multiple part preflex requirement etc. but wide application in the automobile manufacturing field.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all falling within the technical solution of the present invention, all fall within the protection scope of the present invention.
Claims (7)
1. A plate material pre-bending device for stamping is characterized in that: the device comprises a bottom plate (1), a left pressing plate (2), a right pressing plate (3), a left side plate (4), a right side plate (5) and a plurality of adjusting cross rods (6), wherein the bottom plate, the left pressing plate (2), the right pressing plate (3), the left side plate (4), the right side plate (5) and the adjusting cross rods (6) are fixedly arranged on a working table of a press;
the bottom plate (1) is rectangular, the left side and the right side of the front part of the bottom plate (1) are fixedly connected with a left pressing plate (2) and a right pressing plate (3) respectively, the left pressing plate (2) and the right pressing plate (3) are fixedly connected with a T-shaped groove of a press workbench through T-shaped bolts respectively, and the left side and the right side of the rear part of the bottom plate (1) are fixedly connected with a left side plate (4) and a right side plate (5) respectively;
the left side plate (4) and the right side plate (5) are semicircular, and a plurality of groups of through holes with arc-shaped central connecting lines are uniformly distributed on the surfaces of the through holes;
the two ends of the plurality of adjusting cross rods (6) are respectively inserted into a pair of through holes which are symmetrically arranged on the surfaces of the left side plate (4) and the right side plate (5), and the through holes are sequentially arranged to form an arc surface structure matched with the pre-bending radian of the plate.
2. The apparatus for prebending a sheet material for stamping according to claim 1, wherein: the positioning device is characterized by further comprising a positioning pin (7), wherein a plurality of groups of through holes are formed in the surface of the base plate (1), threaded holes are formed in two sides of the base plate (1), and the positioning pin (7) is fixedly arranged in the through holes in the surface of the base plate (1);
the bottom surface of the bottom plate (1) is provided with a through groove with an inverted-U-shaped section, the width dimension of the through groove is 10mm larger than the width of a plate material to be pre-bent, and the height dimension of the through groove is 1mm larger than the thickness of the plate material to be pre-bent.
3. The pre-bending apparatus for a stamping sheet material as claimed in claim 1, wherein: the left pressing plate (2) and the right pressing plate (3) are J-shaped, a U-shaped groove is formed in the middle of the J-shaped pressing plate, the opening size of the U-shaped groove is the same as that of the upper portion of a T-shaped groove of a press workbench, and the distance between the left pressing plate (2) and the U-shaped groove of the right pressing plate (3) is an integral multiple of the distance between the T-shaped grooves of the press workbench.
4. A pre-bending apparatus for a sheet material for stamping according to claim 1, wherein: the central line of each group of through-holes on the surfaces of the left side plate (4) and the right side plate (5) is parallel to the arc lines at the edges of the left side plate (4) and the right side plate (5), and the lower ends of the left side plate (4) and the right side plate (5) are provided with a left side plate installation part (11) and a right side plate installation part (12) of a rectangle.
5. The apparatus for prebending a sheet material for stamping as set forth in claim 4, wherein: the clamping device comprises fastening screws (8), wherein a plurality of groups of through holes are formed in the surfaces of a left side plate mounting part (11) and a right side plate mounting part (12) and are respectively and fixedly connected with the left side and the right side of the rear part of a bottom plate (1) through the fastening screws (8); the side edges of the left pressing plate (2) and the right pressing plate (3) are provided with through holes and are respectively fixedly connected with the left side and the right side of the front part of the bottom plate (1) through fastening screws (8).
6. The pre-bending apparatus for a stamping sheet material as claimed in claim 1, wherein: the diameter of the adjusting cross rod (6) is 0.1mm smaller than the diameter of the through holes on the surfaces of the left side plate (4) and the right side plate (5).
7. The apparatus for prebending a sheet material for stamping according to claim 2, wherein: the diameter of the positioning pin (7) is 0.1mm smaller than that of the through hole on the surface of the bottom plate (1), and the height of the positioning pin is 10mm larger than the thickness of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221984329.2U CN218191828U (en) | 2022-07-29 | 2022-07-29 | Plate pre-bending device for stamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221984329.2U CN218191828U (en) | 2022-07-29 | 2022-07-29 | Plate pre-bending device for stamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218191828U true CN218191828U (en) | 2023-01-03 |
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ID=84651060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221984329.2U Active CN218191828U (en) | 2022-07-29 | 2022-07-29 | Plate pre-bending device for stamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218191828U (en) |
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2022
- 2022-07-29 CN CN202221984329.2U patent/CN218191828U/en active Active
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