CN113172153A - Automobile seat backrest side plate part back-off forming structure and method thereof - Google Patents
Automobile seat backrest side plate part back-off forming structure and method thereof Download PDFInfo
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- CN113172153A CN113172153A CN202110408865.1A CN202110408865A CN113172153A CN 113172153 A CN113172153 A CN 113172153A CN 202110408865 A CN202110408865 A CN 202110408865A CN 113172153 A CN113172153 A CN 113172153A
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- Prior art keywords
- forming
- block
- forming male
- male
- sliding block
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses an automobile seat backrest side plate part back-off forming structure which comprises an upper die holder, a lower die holder and a forming male group, wherein a driving block and an upper die butting block are arranged on the lower bottom surface of the upper die holder, a limiting block and a sliding block are arranged on the lower die holder, a gap is reserved between the limiting block and the sliding block, the driving block is inserted into the gap along with the upper die holder in a downward direction and pushes the sliding block to move when die assembly is carried out, the sliding block drives the forming male group, the forming male group comprises a first forming male and a second forming male, the first forming male is arranged on the sliding block, the second forming male is arranged on the first forming male, a bottom forming surface of a product is located between the first forming male and the second forming male, the first forming male and the second forming male form a back-off forming structure, and a lifting plate is arranged on one side of the first forming male. The invention also discloses a method for forming the reverse buckle of the side plate part of the backrest of the automobile seat. Compared with the prior art, the invention can solve the problems of unstable forming quality and low efficiency of the inner buckle of the side plate part of the backrest of the automobile seat.
Description
Technical Field
The invention relates to the field of part punch forming, in particular to a structure and a method for forming a side plate part back-off of a backrest of an automobile seat.
Background
At present, in the whole automobile industry, the row shapes of a plurality of metal stamping parts are odd-shaped and strange, because an automobile is a tool for daily travel, the special shape of parts is also used for improving the assembling strength of the whole automobile and improving the safety performance, particularly for an automobile seat, the parts are basically complex and various sample parts, internal buckles are generally needed to be made around some parts, the manufacturing process of dies of a plurality of stamping manufacturers can be finished only through a single process step by step, the inclined sliding blocks are used for stripping under the condition of space limitation, the size precision of the parts cannot meet the requirement of an automobile main engine factory, the production efficiency is extremely low and unstable, the requirements of customers cannot be met at all, the supply delay is caused, the quality of the customers is complained, and the like.
Disclosure of Invention
The invention aims to: the automobile seat backrest side plate part inverted forming structure and the method thereof are provided for solving the problems of unstable quality and low efficiency of the inner-buckled forming of the automobile seat backrest side plate part.
In order to achieve the above object, on one hand, the invention adopts the following technical scheme: a reverse buckling forming structure for a side plate part of an automobile seat backrest comprises an upper die holder, a lower die holder and a forming male set, wherein a driving block and an upper die butting block are arranged on the lower bottom surface of the upper die holder, a limiting block and a sliding block are arranged on the lower die holder, a gap is reserved between the limiting block and the sliding block, the driving block is inserted into the gap along with the upper die holder in a downward direction and pushes the sliding block to move when die assembly is carried out, the sliding block drives the forming male set, the forming male set comprises a first forming male and a second forming male, the first forming male is arranged on the sliding block, the second forming male is arranged on the first forming male, a bottom forming surface of a product is located between the first forming male and the second forming male, the first forming male and the second forming male form a reverse buckling forming structure, and a lifting plate is arranged on one side of the first forming male, the material lifting plate is provided with a lower die butting block, and the lower die butting block is located below the upper die butting block.
As a further description of the above technical solution:
the first molding male is provided with a first molding inverted-buckle surface, and the second molding male is provided with a second molding inverted-buckle surface matched with the first molding inverted-buckle surface.
As a further description of the above technical solution:
one side of the material lifting plate, which is close to the first forming die, is provided with a mounting groove, a lower material pressing plate is arranged in the mounting groove, an upper material pressing plate is arranged above the lower material pressing plate, and the upper material pressing plate is fixedly connected to the upper die base.
As a further description of the above technical solution:
the lower pressing plate is provided with a first guide sleeve, and the upper pressing plate is provided with a first guide pillar matched with the first guide sleeve.
As a further description of the above technical solution:
the lower die base is provided with a plurality of limiting columns, springs are sleeved on the limiting columns, and limiting grooves matched with the limiting columns are formed in the lower material pressing plate.
As a further description of the above technical solution:
and a second guide sleeve is arranged on the first molding pin in a penetrating manner, and the second guide sleeve is fixed on the sliding block.
As a further description of the above technical solution:
and a first nitrogen spring is arranged on the first forming male, and the first nitrogen spring drives the second forming male to lift.
As a further description of the above technical solution:
and a second nitrogen spring is arranged in the gap and fixed on the lower die holder, and the second nitrogen spring drives the sliding block to horizontally reset.
On the other hand, the invention also provides a method for forming the side plate part of the backrest of the automobile seat by back-off, which comprises the following steps:
1) placing the product on a first forming male die, enabling an upper die base to start descending, enabling a driving block to be in contact with a driving surface of a sliding block, and enabling other parts on the upper die base and a lower die base not to be in contact;
2) the upper die base continues to descend, the driving block pushes the sliding block in place, the upper opposite pushing block starts to press downwards, the upper material pressing plate and the lower material pressing plate press the product, and at the moment, the second forming die is pressed downwards for a certain distance;
3) the upper die base continues to move downwards, the lower material pressing plate starts to move downwards, the upper die base continues to move downwards until the lower material pressing plate and the second forming die simultaneously reach a pressing stroke, and the whole product forming process is completed at the moment.
1. According to the invention, when the product is subjected to inside buckle forming, the driving block pushes the sliding block to move, the sliding block pushes the first forming male to perform inside buckle forming, when the first forming male and the second forming male are subjected to extrusion forming, the deviation of the first forming male and the second forming male during moving can be limited through the second guide sleeve, the forming quality is improved, the second forming male can be conveniently reset through the first nitrogen spring, and the forming efficiency is improved.
2. According to the invention, the distance of the second molding revolution and descent can be controlled through the arranged lower material pressing plate, so that the molding quality can be improved, the second sliding block can be conveniently reset through the arranged second nitrogen spring, and the material stripping efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a side plate part back-off forming structure of an automobile seat backrest.
FIG. 2 is a mold closing state diagram of a side plate part back-off molding structure of an automobile seat.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Illustration of the drawings:
1. an upper die holder; 2. a lower die holder; 21. a limiting column; 3. a drive block; 4. the upper die is opposite to the top block; 5. a limiting block; 6. a slider; 7. a gap; 71. a second gas spring; 8. a first molding male; 81. a first molding undercut surface; 82. a second guide sleeve; 83. a first nitrogen spring; 9. a second forming male; 91. a second forming back-off surface; 10. producing a product; 11. lifting a material plate; 12. the lower die is opposite to the top block; 13. pressing a material plate; 14. feeding a pressure plate; 15. a first guide sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a reverse buckle forming structure for a side plate part of an automobile seat backrest comprises an upper die holder 1, a lower die holder 2 and a forming male assembly, wherein a driving block 3 and an upper die butting block 4 are arranged on the lower bottom surface of the upper die holder 1, a limiting block 5 and a sliding block 6 are arranged on the lower die holder 2, a gap 7 is reserved between the limiting block 5 and the sliding block 6, when die assembly is carried out, the driving block 3 is inserted into the gap 7 along with the downward movement of the upper die holder 1 and pushes the sliding block 6 to move, the sliding block 6 drives the forming male assembly, the forming male assembly comprises a first forming male 8 and a second forming male 9, the first forming male 8 is installed on the sliding block 6, the second forming male 9 is arranged on the first forming male 8, the bottom forming surface of a product 10 is positioned between the first forming male 8 and the second forming male 9, and the first forming male 8 and the second forming male 9 form the reverse buckle forming structure, a material lifting plate 11 is arranged on one side of the first forming male die 8, a lower die butting block 12 is arranged on the material lifting plate 11, and the lower die butting block 12 is positioned below the upper die butting block 4.
The first forming male part 8 is provided with a first forming undercut surface 81, and the second forming male part 9 is provided with a second forming undercut surface 91 matching the first forming undercut surface 81.
One side of the material lifting plate 11, which is close to the first forming die 8, is provided with a mounting groove, a lower material pressing plate 13 is arranged in the mounting groove, an upper material pressing plate 14 is arranged above the lower material pressing plate 13, and the upper material pressing plate 14 is fixedly connected to the upper die base 1. The distance of the second molding revolution row can be controlled, so that the molding quality can be improved.
The lower material pressing plate 13 is provided with a first guide sleeve 15, and the upper material pressing plate 14 is provided with a first guide post matched with the first guide sleeve 15. The deviation of the upper material pressing plate in the pressing process can be avoided.
The lower die holder 2 is provided with a plurality of limiting columns 21, the limiting columns 21 are sleeved with springs, and the lower pressing plate 13 is provided with limiting grooves matched with the limiting columns. The lower material pressing plate can be reset conveniently.
A second guide sleeve 82 penetrates through the first forming pin 8, and the second guide sleeve 82 is fixed on the sliding block 6.
The first forming male 8 is provided with a first nitrogen spring 83, and the first nitrogen spring 83 drives the second forming male 9 to lift. The first forming male part and the second forming male part can be separated conveniently, and the effect of facilitating demoulding is achieved.
And a second nitrogen spring 71 is arranged in the gap 7, the second nitrogen spring 71 is fixed on the lower die holder 2, and the second nitrogen spring 71 drives the sliding block 6 to horizontally reset. The second sliding block can be conveniently reset, and the stripping efficiency is improved.
On the other hand, the invention also provides a method for forming the side plate part of the backrest of the automobile seat by back-off, which comprises the following steps:
1) placing a product 10 on a first forming male die 8, starting descending an upper die holder 1, and enabling a driving block 3 to contact a driving surface of a sliding block 6, wherein other parts on the upper die holder 1 and a lower die holder 2 are not contacted;
2) the upper die holder 1 continues to move downwards, the driving block 3 pushes the sliding block 6 in place, the upper opposite pushing block starts to press downwards, the upper material pressing plate and the lower material pressing plate 13 press the product 10, and at the moment, the second forming die 9 is pressed downwards for a certain distance;
3) the upper die holder 1 continues to move downwards, the lower material pressing plate 13 starts to move downwards, the upper die holder 1 continues to move downwards until the lower material pressing plate 13 and the second forming die 9 reach a pressing stroke at the same time, and the forming process of the whole product 10 is completed at this time.
The working principle is as follows: when the product 10 is formed by internal buckling, the upper die base 1 moves downwards, the driving block 3 contacts with the driving surface of the sliding block 6, at the moment, other parts on the upper die base 1 and the lower die base 2 are not contacted, the driving block 3 pushes the sliding block 6 to move, the upper die base 1 continues to move downwards, the driving block 3 pushes the sliding block 6 in place, the upper opposite ejection block starts to press downwards, the upper pressure plate and the lower pressure plate 13 press the product 10, at the moment, the second forming die 9 presses 10mm downwards, the upper die base 1 continues to move downwards, the lower pressure plate 13 starts to move downwards, the total stroke of the second forming die is 25.0mm, the stroke of the lower pressure plate is 15mm, when the second forming die moves 10.0mm, the lower pressure plate does not move, the second forming die has moved 10.0mm, the stroke of the lower pressure plate is not moved, and at the moment, only the upper die needs to continue to press downwards to move, and the forming work content can be completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The automobile seat backrest side plate part inverted buckle forming structure is characterized by comprising an upper die base (1), a lower die base (2) and a forming male assembly, wherein a driving block (3) and an upper die butting block (4) are arranged on the lower bottom surface of the upper die base (1), the lower die base (2) is provided with a limiting block (5) and a sliding block (6), a gap (7) is reserved between the limiting block (5) and the sliding block (6), the driving block (3) is inserted into the gap (7) along with the upper die base (1) in a downward direction during die assembly and pushes the sliding block (6) to move, the sliding block (6) drives the forming male assembly, the forming male assembly comprises a first forming male assembly (8) and a second forming male assembly (9), the first forming male assembly (8) is installed on the sliding block (6), and the second forming male assembly (9) is arranged on the first forming male assembly (8), the bottom forming surface of a product (10) is located between the first forming male block (8) and the second forming male block (9), the first forming male block (8) and the second forming male block (9) form an inverted buckle forming structure, a material lifting plate (11) is arranged on one side of the first forming male block (8), a lower die butting block (12) is arranged on the material lifting plate (11), and the lower die butting block (12) is located below the upper die butting block (4).
2. The vehicle seat back side plate part inverted buckle forming structure according to claim 1, characterized in that the first forming male part (8) is provided with a first forming inverted buckle surface (81), and the second forming male part (9) is provided with a second forming inverted buckle surface (91) matching with the first forming inverted buckle surface (81).
3. The automobile seat backrest side plate part back-off forming structure as claimed in claim 1, wherein a mounting groove is formed in one side of the material lifting plate (11) close to the first forming male die (8), a lower material pressing plate (13) is arranged in the mounting groove, an upper material pressing plate (14) is arranged above the lower material pressing plate (13), and the upper material pressing plate (14) is fixedly connected to the upper die holder (1).
4. The automobile seat backrest side plate part inverse forming structure as claimed in claim 3, wherein a first guide sleeve (15) is arranged on the lower pressure plate (13), and a first guide post matched with the first guide sleeve (15) is arranged on the upper pressure plate (14).
5. The automobile seat backrest side plate part inverted buckle forming structure as claimed in claim 3, wherein a plurality of limiting columns (21) are arranged on the lower die holder (2), springs are sleeved on the limiting columns (21), and limiting grooves matched with the limiting columns are arranged on the lower material pressing plate (13).
6. The automobile seat backrest side plate part inverted forming structure is characterized in that a second guide sleeve (82) penetrates through the first forming male die (8), and the second guide sleeve (82) is fixed on the sliding block (6).
7. The automobile seat backrest side plate part inverted forming structure is characterized in that a first nitrogen spring (83) is arranged on the first forming male die (8), and the first nitrogen spring (83) drives the second forming male die (9) to lift.
8. The automobile seat backrest side plate part inverted forming structure is characterized in that a second nitrogen spring (71) is arranged in the gap (7), the second nitrogen spring (71) is fixed on the lower die holder (2), and the second nitrogen spring (71) drives the sliding block (6) to horizontally reset.
9. The method for forming the side plate part of the backrest of the automobile seat according to any one of claims 1 to 9, which comprises the following steps:
1) placing a product (10) on a first forming male die (8), starting descending an upper die holder (1), contacting a driving block (3) on a driving surface of a sliding block (6), and not contacting other parts on the upper die holder (1) and a lower die holder (2);
2) the upper die holder (1) continues to move downwards, the driving block (3) pushes the sliding block (6) to be in place, the upper opposite pushing block starts to press downwards, the upper material pressing plate and the lower material pressing plate (13) press the product (10), and the second forming die (9) is pressed downwards for a certain distance;
3) the upper die holder (1) continues to move downwards, the lower material pressing plate (13) starts to move downwards, the upper die holder (1) continues to move downwards until the lower material pressing plate (13) and the second forming male die (9) reach a downward pressing stroke simultaneously, and the forming process of the whole product (10) is completed at the moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408865.1A CN113172153A (en) | 2021-04-16 | 2021-04-16 | Automobile seat backrest side plate part back-off forming structure and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408865.1A CN113172153A (en) | 2021-04-16 | 2021-04-16 | Automobile seat backrest side plate part back-off forming structure and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113172153A true CN113172153A (en) | 2021-07-27 |
Family
ID=76923437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110408865.1A Pending CN113172153A (en) | 2021-04-16 | 2021-04-16 | Automobile seat backrest side plate part back-off forming structure and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113172153A (en) |
-
2021
- 2021-04-16 CN CN202110408865.1A patent/CN113172153A/en active Pending
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