CN117505604A - Plate material pre-bending device for stamping - Google Patents
Plate material pre-bending device for stamping Download PDFInfo
- Publication number
- CN117505604A CN117505604A CN202210915274.8A CN202210915274A CN117505604A CN 117505604 A CN117505604 A CN 117505604A CN 202210915274 A CN202210915274 A CN 202210915274A CN 117505604 A CN117505604 A CN 117505604A
- Authority
- CN
- China
- Prior art keywords
- plate
- side plate
- pressing plate
- holes
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 238000009434 installation Methods 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention 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 bars, 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 press workbench; 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 workbench of the press machine 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 surfaces of the left side plate and the right side plate are uniformly distributed with a plurality of groups of through holes with arc central connecting lines, and two ends of a plurality of adjusting cross bars 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 and are in symmetrical positions. Different arcs are formed by adjusting the mounting positions of the adjusting cross bars, the pre-bending of various plate shapes can be met, and the pre-bending consistency is good.
Description
Technical Field
The invention relates to the field of automobile technical equipment, in particular to a plate pre-bending device for stamping.
Background
In the production of automobile stamping parts, pre-bending is an indispensable machining procedure for most beam stamping parts before forming and machining. The consistency of the pre-bending directly affects the final forming quality of the part. At present, the pre-bending of the beam stamping parts before forming mainly comprises the following two technical means: firstly, developing a special pre-bending die, and secondly, adopting manual pre-bending. The development of the special tool increases the cost investment and the production cost of the die, and operators need to use experience to perform manual pre-bending, so that the consistency of pre-bending is poor, waste products are easily caused, and the forming quality of parts is influenced.
Disclosure of Invention
The invention provides a plate material pre-bending device for stamping, which replaces a special pre-bending die and can meet the pre-bending processing of various parts.
In order to solve the problems in the background art, the invention is realized by the following technical scheme:
the plate 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 bars which are fixedly arranged on a workbench of a press machine, wherein the plate material pre-bending device for stamping is of a bilateral symmetry structure;
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 the left pressing plate and the right pressing plate, the left pressing plate and the right pressing plate are respectively and fixedly connected with a T-shaped groove of a workbench of the press machine 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 the left side plate and the right side plate;
the left side plate and the right side plate are semicircular, and a plurality of groups of through holes with arc 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 bars 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 positioned at 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 description of the invention: the positioning pin is fixedly arranged in the through holes on the surface of the bottom plate;
the bottom surface of the bottom plate is provided with a through groove with a U-shaped section, the width of the through groove is 10mm larger than the width of the plate to be pre-bent, and the height of the through groove is 1mm larger than the thickness of the plate to be pre-bent.
As a further description of the invention: 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 identical to that of the upper portion of the T-shaped groove of the working table of the press, and the distance between the U-shaped grooves of the left pressing plate and the right pressing plate is an integral multiple of the distance between the T-shaped grooves of the working table of the press.
As a further description of the invention: the central connecting lines of the through holes on the surfaces of the left side plate and the right side plate are parallel to the arc lines of the edges of the left side plate and the right side plate, and rectangular left side plate installation parts and rectangular right side plate installation parts are arranged at the lower ends of the left side plate and the right side plate.
As a further description of the invention: the left side plate mounting part and the right side plate mounting part are provided with a plurality of groups of through holes on the surfaces, and are respectively and 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 on the sides 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 description of the invention: the diameter of the adjusting transverse rod is 0.1mm smaller than that of the through holes on the surfaces of the left side plate and the right side plate.
As a further description of the invention: the diameter of the locating pin is 0.1mm smaller than that of the through hole on the surface of the bottom plate, and the height of the locating pin is 10mm larger than the thickness of the bottom plate.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the flexibility is good, and the pre-bending processing of various parts can be satisfied. Through being provided with 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 preflex processing 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 the press workbench, the sheet material pre-bending device for stamping is arranged on the press workbench, after the pre-bending operation is finished, the sheet material pre-bending device can be directly molded, and a processor is convenient to operate and can improve the production efficiency.
3. The manufacturing cost is low. Compared with a special pre-bending die, the 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 mounted on a press table;
FIG. 2 is a schematic left-hand view of the present invention mounted on a press table;
FIG. 3 is a schematic top view of the present invention mounted on a press table;
FIG. 4 is a schematic illustration of the present invention;
FIG. 5 is a schematic view of the base plate of the present invention;
FIG. 6 is a schematic cross-sectional view of a base plate of the present invention;
FIG. 7 is a schematic view of the left platen of the present invention;
FIG. 8 is a schematic view of the left side plate of the present invention;
FIG. 9 is an arcuate schematic of several adjustment rails of the present invention;
fig. 10 is a schematic view of the dowel installation of the present invention.
Description of the reference numerals
1. A bottom plate; 2. a left pressing plate; 3. a right pressing plate; 4. a left side plate; 5. a right side plate; 6. adjusting the cross bar; 7. a positioning pin; 8. a fastening bolt; 9. a T-shaped bolt; 10. a press table; 11. a left side plate mounting portion; 12. right side plate mounting portion.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 explicitly specified and limited otherwise, 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 10, an embodiment of the present invention discloses a sheet pre-bending device for stamping, which includes 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 crossbars 6 fixedly installed on a press workbench, wherein the sheet pre-bending device for stamping has a bilateral symmetry structure.
The bottom plate 1 is the rectangle, and bottom plate 1 anterior left and right sides respectively with left clamp plate 2 and right clamp plate 3 fixed connection, left clamp plate 2 and right clamp plate 3 are respectively through T shape bolt 9 and press machine table 1's T-shaped groove fixed connection, 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, rectangular left side plate installation parts 11 and right side plate installation parts 12 are arranged at the lower end of the left side plate 4 and the right side plate 5, a plurality of groups of through holes with central connecting lines being arcs are uniformly distributed on the surfaces of the left side plate 4 and the right side plate 5, and each group of arcs are parallel to the arcs at the edges of the left side plate 4 and the right side plate 5;
the two ends of the adjusting cross rod 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 positioned at symmetrical positions, and a plurality of adjusting cross rods 6 which are sequentially arranged integrally form an arc surface structure matched with the pre-bending radian of the plate.
When the device is used, the device is arranged on the workbench 1 of the press machine through the T-shaped bolts 9, and the plate material can be bent into a required arc shape through a pre-bending device.
As shown in fig. 2, when the sheet material pre-bending apparatus is installed, the ends of the left side plate installation part 11 and the right side plate installation part 12 are aligned with the outer edge of the press table 1, thereby facilitating positioning and installation.
As shown in fig. 3 and 7, the left pressing plate 2 and the right pressing plate 3 are symmetrically installed on two sides of the bottom plate 1, the left pressing plate 2 and the right pressing plate 3 are in a J shape, a U-shaped groove is arranged in the middle, the opening size of the U-shaped groove is identical to the opening size of the upper portion of a T-shaped groove of a press workbench, the opening of the U-shaped groove faces the outer side of the workbench, and the distance between the U-shaped grooves of 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 through holes and the threaded holes formed in the two sides of the bottom plate 1 is consistent, and the through holes and the threaded holes are fixedly connected with the left side and the right side of the front part of the bottom plate 1 through fastening screws 8 respectively.
In this embodiment, 3 groups of through holes are formed on the surfaces of the left side plate mounting portion 11 and the right side plate mounting portion 12, and are respectively and fixedly connected with the left side and the right side of the rear portion 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, the U-shaped grooves are arranged on the press machine workbench, after the pre-bending operation is finished, forming processing can be directly carried out, and the operation of a processor is simple and convenient, so that 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 adjusting cross bars 6 pass through a pair of through holes on the surfaces of the left side plate 4 and the right side plate 5 at symmetrical positions, and can form an arc shape required by the pre-bending of the plate. The diameter of the adjusting cross rod 6 is 0.1mm smaller than the diameter of the through holes on 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 outer width C of the left side plate 4 and the right side plate 5 after being assembled.
As shown in fig. 8, the position distribution of the plurality of groups of through holes provided on the left side plate 4 and the right side plate 5 is determined according to the shape required by the pre-bending of the plate material, and the number of the through holes can be set into one group or a plurality of groups according to the types of the required pre-bending parts. In this embodiment, the number of through holes is 3 groups. 3 different arcs are formed by adjusting the mounting positions of the adjusting cross bars, the pre-bending of various plate shapes can be met, and the pre-bending consistency is good.
As shown in fig. 5, the surface of the bottom plate 1 is provided with a plurality of groups of through holes for installing the positioning pins 7, and the number and positions of the through holes can be determined according to the types of the parts and the actual positioning requirements, and can be set into one or more groups to meet the positioning requirements when different parts are pre-bent.
The two sides of the bottom plate 1 are provided with 8 symmetrical threaded holes for installing the left pressing plate 2, the right pressing plate 3, the left side plate 4 and the right side plate 5. The locating pins 7 are installed in through holes in the base plate 1, the number of the locating pins is generally 2, and the locating pins play a role in limiting plates in use. The diameter of the locating pin 7 is 0.1mm smaller than the diameter of the through hole on the bottom plate 1, and the height is 10mm larger than the height H of the bottom plate. A schematic cross section of the positioning pin 7 after installation is shown in fig. 10.
Fig. 6 shows a schematic cross-section of the base plate 1 according to the invention. The bottom surface of the bottom plate 1 is provided with a through groove with a U-shaped section for the plate to pass through. The width of the through groove is determined according to the width of the plate to be pre-bent, the size of the through groove b can be designed to be 10mm larger than the width of the plate to be pre-bent, and the size of the through groove h is 1mm larger than the thickness of the plate to be pre-bent.
The through groove is used for penetrating through the plate material during the pre-bending processing, and the through hole is used for penetrating through the locating pin to achieve the locating effect during the pre-bending processing of the plate material.
The specific operation steps are as follows:
1. the plate pre-bending device is arranged on the press workbench 1 through a T-shaped bolt 9.
2. According to different kinds of products, the installation position of the cross rod is adjusted and regulated to form an arc surface structure matched with the pre-bending radian of the plate.
3. And (3) after the plate to be processed is placed into the through groove below the bottom plate, limiting by using a locating pin, and manually pre-bending the plate to be processed along the cambered surface of the adjusting cross rod by a worker.
4. Taking out the pre-bent plate after the pre-bending operation is finished, and directly putting the plate into a special die of a press machine for molding.
The invention has the advantages of simple and convenient operation, low manufacturing cost, good pre-bending consistency, capability of meeting the pre-bending requirements of various parts and the like, and can be widely popularized and applied to the field of automobile manufacturing.
The invention is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present invention, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present invention, fall within the scope of protection of the present invention.
Claims (7)
1. The utility model provides a sheet material preflex device for punching press which 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 bars (6) which are fixedly arranged on a press workbench, wherein the plate pre-bending device for stamping is of a bilateral symmetry structure;
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 the left pressing plate (2) and the 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 workbench of the press machine respectively through T-shaped bolts, and the left side and the right side of the rear part of the bottom plate (1) are fixedly connected with the left side plate (4) and the 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 central connecting lines in arc shapes are uniformly distributed on the surfaces of the left side plate and the right side plate;
two ends of the plurality of adjusting cross bars (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 through holes are sequentially arranged to form an arc surface structure matched with the pre-bending radian of the plate.
2. The sheet material pre-bending device for stamping as defined in claim 1, wherein: the positioning device is characterized by further comprising positioning pins (7), wherein a plurality of groups of through holes are formed in the surface of the bottom plate (1), threaded holes are formed in two sides of the bottom plate (1), and the positioning pins (7) are fixedly arranged in the through holes in the surface of the bottom plate (1);
the bottom surface of the bottom plate (1) is provided with a through groove with a U-shaped section, the width of the through groove is 10mm larger than the width of the plate to be pre-bent, and the height of the through groove is 1mm larger than the thickness of the plate to be pre-bent.
3. The sheet material pre-bending device for stamping as defined 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 left pressing plate, the opening size of the U-shaped groove is identical to that of the upper portion of the T-shaped groove of the working table of the press, and the distance between the U-shaped grooves of 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 working table of the press.
4. A sheet material pre-bending apparatus for stamping as defined in claim 1, wherein: the central connecting lines of all groups of through holes on the surfaces of the left side plate (4) and the right side plate (5) are parallel to the arc lines of the edges of the left side plate (4) and the right side plate (5), and rectangular left side plate installation parts (11) and rectangular right side plate installation parts (12) are arranged at the lower ends of the left side plate (4) and the right side plate (5).
5. The sheet material pre-bending device for stamping as defined in claim 4, wherein: the left side plate mounting part (11) and the right side plate mounting part (12) are provided with a plurality of groups of through holes on the surfaces, and the through holes are respectively and fixedly connected with the left side and the right side of the rear part of the bottom plate (1) through the fastening screws (8); the left pressing plate (2) and the right pressing plate (3) are provided with through holes on the sides, and are fixedly connected with the left side and the right side of the front part of the bottom plate (1) through fastening screws (8) respectively.
6. The sheet material pre-bending device for stamping as defined 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. A sheet material pre-bending apparatus for stamping as defined in claim 2, wherein: the diameter of the locating pin (7) is 0.1mm smaller than the diameter of the through hole on the surface of the bottom plate (1), and the height is 10mm larger than the thickness of the bottom plate 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915274.8A CN117505604A (en) | 2022-07-29 | 2022-07-29 | Plate material pre-bending device for stamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915274.8A CN117505604A (en) | 2022-07-29 | 2022-07-29 | Plate material pre-bending device for stamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117505604A true CN117505604A (en) | 2024-02-06 |
Family
ID=89748287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210915274.8A Pending CN117505604A (en) | 2022-07-29 | 2022-07-29 | Plate material pre-bending device for stamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117505604A (en) |
-
2022
- 2022-07-29 CN CN202210915274.8A patent/CN117505604A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112872152A (en) | Stamping device for sheet metal parts | |
| CN111974898A (en) | Hoop forming equipment and implementation method thereof | |
| CN214813965U (en) | Hot-pressing preforming device for sheet metal workpiece | |
| CN117505604A (en) | Plate material pre-bending device for stamping | |
| CN218191828U (en) | Plate pre-bending device for stamping | |
| KR101925750B1 (en) | Busbar Manufacturing Device And Its Method | |
| CN114393108B (en) | Sheet metal process and process system for connecting piece | |
| CN215790402U (en) | Punching die | |
| CN211637913U (en) | Common press workbench suitable for ejector rod hole distances of different specifications | |
| CN210120312U (en) | Crimping device and wire harness processing equipment | |
| CN210847900U (en) | Numerical control punching device for aluminum plate | |
| CN209272292U (en) | A kind of fine and closely woven net loudspeaker baffle bend forming die | |
| CN220880213U (en) | Adjustable precision tool sliping die | |
| CN115042275A (en) | Punching die | |
| CN218395424U (en) | Adjustable lower mould and bender of bending | |
| CN212144183U (en) | Stamping die of mainboard special-shaped edge | |
| CN216540501U (en) | U-shaped end plate stamping die for rapidly processing aluminum alloy template | |
| JPH11320297A (en) | Press parts assembling device and manufacture of link parts using the press parts assembling device | |
| CN217595653U (en) | Continuous die forming mechanism for overlong flanging | |
| CN214108516U (en) | Distribution box installing support stamping forming mould | |
| CN215745845U (en) | Hardware stamping die | |
| CN216175802U (en) | Standardized series die capable of improving punching efficiency of copper bars | |
| CN218693169U (en) | Bending die for metal piece and bending equipment applied by bending die | |
| CN219520753U (en) | Auxiliary device for processing pattern block air line of tire mold | |
| CN208288786U (en) | The vehicle bracket progressive die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |