Machining device for automobile fender support and lower die set of machining device

Abstract

The utility model provides a machining device of an automobile fender support and a lower die set of the machining device. The technical problems that in the prior art, when an automobile fender support is machined, operation is tedious, and efficiency is low are solved. According to the technical scheme, the lower die set comprises a lower base, and a first lower die, a second lower die, a third lower die and a fourth lower die which are sequentially mounted on the lower base from right to left; the first lower die is provided with a blanking hole; the second lower die is provided with a blanking opening; the third lower die is provided with a third supporting part; the third lower die is matched with the lower bending piece so as to drive the part, extending out of the third lower die, of the metal strip to be bent upwards; the fourth lower die is provided with a fourth supporting part. The lower die set can be matched with the upper die set and the unwinding mechanism to conduct blanking, bending and cutting on the unwound metal strip, so that the automobile fender support is manufactured at a time, and the die set has the advantages of being easy to operate and high in machining efficiency. In addition, the utility model further provides a machining device of the automobile fender support, and the machining device is provided with the lower die set.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing equipment, in particular to a processing device for an automobile fender bracket and a lower die set thereof. Background Art

[0002] Our company produces a car fender bracket, which mainly includes: a first connecting section, bending sections at both ends of the first connecting section, and a second connecting section at the end of the bending section. The bending section is bent downward relative to the first connecting section, and the second connecting section is bent outward relative to the bending section; the first connecting section and the second connecting section are respectively provided with mounting holes.

[0003] In the past, when processing the automobile fender bracket, the unwinding metal strip was first cut into metal sheets; then the metal sheets were transferred to the punching device to punch out the excess parts and punch out the mounting holes; finally, the metal sheets were transferred to the bending device for bending. With this processing method, the workpiece needs to be transferred and positioned multiple times, which has the defects of cumbersome operation and low efficiency, and is not conducive to the realization of automated processing. Summary of the invention

[0004] The purpose of the utility model is to provide a lower die set, which can cooperate with the upper die set and the unwinding mechanism to punch, bend and cut the unwinding metal strip, so as to produce the automobile fender bracket in one time; it has the advantages of simple operation and high processing efficiency. Based on the same inventive concept, another purpose of the utility model is to provide a processing device for the automobile fender bracket, which has the above-mentioned lower die set.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The lower die set includes: a lower base, and a first lower die, a second lower die, a third lower die, and a fourth lower die which are sequentially installed on the lower base from right to left. The first lower die is provided with a punching hole to cooperate with the upper die set to punch out a mounting hole in the metal strip; the second lower die is provided with a punching opening to cooperate with the upper die set to punch out the excess part of the metal strip; the third lower die has a third supporting part to cooperate with the upper die set to clamp the part of the metal strip that constitutes the bending section; the third lower die is adapted to the lower bending part, and when the lower bending part moves upward under the drive of the power source, it drives the part of the metal strip that extends out of the third lower die to bend upward; the fourth lower die has a fourth supporting part to cooperate with the upper die set to clamp the part of the metal strip that constitutes the first connecting section.

[0007] Optionally, the lower base is provided with a slide rail extending in the left-right direction.

[0008] Optionally, the first lower die includes: a first limiting portion and a first supporting portion; the first supporting portion cooperates with the upper die group to clamp the metal strip, and the punching hole is arranged on the supporting surface of the first supporting portion; the first limiting portion has a first sliding groove that cooperates with the slide rail; the first limiting portion is adapted to lock it on the first locking piece of the slide rail.

[0009] Optionally, the second lower mold includes: a second limiting portion, a second supporting portion; the second supporting portion cooperates with the upper mold assembly to clamp the part of the metal strip that constitutes the automobile fender bracket; the second limiting portion has a second slide groove that cooperates with the slide rail; the second limiting portion is adapted to lock it to the second locking piece of the slide rail.

[0010] Optionally, the third lower mold has a third limiting portion, and the third limiting portion has a third sliding groove that cooperates with the slide rail; the third limiting portion is adapted to lock it to a third locking piece of the slide rail.

[0011] Optionally, the fourth lower mold has a fourth limiting portion, and the fourth limiting portion has a fourth sliding groove that cooperates with the slide rail; the fourth limiting portion is adapted to lock it to the fourth locking piece of the slide rail.

[0012] Optionally, the second lower mold, the third lower mold, and the fourth lower mold are respectively provided with positioning holes corresponding to the mounting holes.

[0013] Optionally, there are two lower bending parts, which are distributed on the front and rear sides of the third lower mold; and the two lower bending parts are installed on the same lifting seat.

[0014] Optionally, a positioning die is provided on the right side of the first lower die; the positioning die limits the front and rear sides of the metal strip.

[0015] The present application also provides a processing device for an automobile fender bracket, which has the aforementioned lower mold assembly.

[0016] The working principle of the utility model is as follows: the lower die set is usually used in conjunction with the upper die set and the unwinding mechanism; the metal strip unwinding by the unwinding mechanism moves from right to left along the lower die set in a stepping manner; the distance the metal strip moves each time is equivalent to the length of the automobile fender bracket; whenever the metal strip pauses, the upper die set is driven downward by the cylinder or hydraulic cylinder to cooperate with the lower die set to process the metal strip. For any section of the metal strip: when the section of the metal strip moves to the first lower die, the punching hole of the first lower die can cooperate with the first punching head of the upper die set to punch out a mounting hole in the metal strip. When the section of the metal strip moves to the second lower die, the punching opening of the second lower die can cooperate with the second punching head of the upper die set to punch out the excess part of the metal strip. When the section of the metal strip moves to the third lower die, the third support part can cooperate with the third pressing part of the upper die set to clamp the part of the metal strip that constitutes the bending section; the lower bending part is driven by the power source to move upward, so that the part of the metal strip that constitutes the second connecting section can be bent upward. When the section of the metal strip moves to the fourth lower die, the fourth support part can cooperate with the fourth pressing part of the upper die set to clamp the part of the metal strip that constitutes the first connecting section; the upper bending part of the upper die set will bend the part of the metal strip that constitutes the bending section downward. Finally, when the section of the metal strip leaves the fourth lower die, the cutter of the upper die set will cut the section of the metal strip, thereby producing a car fender bracket.

[0017] It can be seen that the beneficial effects of the utility model are: it can cooperate with the upper die set and the unwinding mechanism to punch, bend and cut the unwinding metal strip, so as to produce the automobile fender bracket in one time; the operation is simpler and the processing efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of a car fender bracket;

[0020] Figure 2 It is a structural schematic diagram of the lower module;

[0021] Figure 3 A schematic diagram of the lower die set cooperating with the upper die set to process the metal strip;

[0022] Figure 4 is a structural schematic diagram of the first lower die;

[0023] Figure 5Schematic diagram of the structure of the second lower die;

[0024] Figure 6 It is a structural schematic diagram of the third lower die;

[0025] Figure 7 is a structural schematic diagram of the fourth lower die;

[0026] Figure 8 It is a schematic diagram of the third lower die cooperating with the lower bending part;

[0027] Fig. 9 It is a schematic diagram of the lower bending part being installed on the lifting seat;

[0028] Fig.10 It is a structural schematic diagram of the upper module;

[0029] Fig.11 is a structural schematic diagram of the first upper die;

[0030] Fig.12 is an assembly schematic diagram of the first upper die;

[0031] Fig.13 is a structural schematic diagram of the second upper die;

[0032] Fig.14 It is the assembly schematic diagram of the second upper die;

[0033] Fig.15 is a schematic diagram of the structure of the third upper die;

[0034] Fig.16 Schematic diagram of the structure of the fourth upper mold.

[0035] Reference numerals: 1, first connecting section; 2, bending section; 3, second connecting section; 4, mounting hole; 5, lower base; 6, first lower die; 7, second lower die; 8, third lower die; 9, fourth lower die; 10, punching hole; 11, punching opening; 12, lower bending member; 13, first supporting portion; 14, second supporting portion; 15, third supporting portion; 16, fourth supporting portion; 17, slide rail; 18, first limiting portion; 19, first locking member; 20, second limiting portion; 21, second locking member; 22. The third limiting portion; 23. The third locking member; 24. The fourth limiting portion; 25. The fourth locking member; 26. The positioning hole; 27. The lifting seat; 28. The positioning die; 29. ​​The first punching head; 30. The second punching head; 31. The third pressing member; 32. The fourth pressing member; 33. The upper bending member; 34. The cutter; 35. The first mounting seat; 36. The first pressing member; 37. The first guide rod; 38. The first guide hole; 39. The first supporting portion; 40. The first spring; 41. The positioning head. DETAILED DESCRIPTION

[0036] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0037] In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right" and the like indicate directions or positional relationships based on the attached Figure 2 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present invention.

[0041] The following is combined with Figure 1 ~Attached Fig.16 The embodiments of the present utility model are described in detail.

[0042] The embodiment of the utility model provides a lower die set. The lower die set includes: a lower base 5, and a first lower die 6, a second lower die 7, a third lower die 8, and a fourth lower die 9 installed on the lower base 5 from right to left. The first lower die 6 is provided with a punching hole 10 to cooperate with the upper die set to punch out a mounting hole 4 in the metal strip. The second lower die 7 is provided with a punching opening 11 to cooperate with the upper die set to punch out the excess part of the metal strip. The third lower die 8 has a third support portion 15 to cooperate with the upper die set to clamp the part of the metal strip that constitutes the bending section 2. The third lower die 8 is adapted to the lower bending piece 12, and when the lower bending piece 12 moves upward under the drive of the power source, it drives the part of the metal strip that extends out of the third lower die 8 to bend upward. It should be understood that the power source can be a cylinder or a hydraulic cylinder. The fourth lower die 9 has a fourth support portion 16 to cooperate with the upper die set to clamp the part of the metal strip that constitutes the first connecting section 1.

[0043] The specific implementation method of the lower die set is described below: the lower die set is usually used in conjunction with the upper die set and the unwinding mechanism; the metal strip unwinding by the unwinding mechanism moves from right to left along the lower die set in a stepping manner; the distance the metal strip moves each time is equivalent to the length of the automobile fender bracket; whenever the metal strip stops, the upper die set is driven downward by the cylinder or hydraulic cylinder to cooperate with the lower die set to process the metal strip. For any section of the metal strip: when the section of the metal strip moves to the first lower die 6, the punching hole 10 of the first lower die 6 can cooperate with the first punching head 29 of the upper die set to punch out the mounting hole 4 in the metal strip. When the section of the metal strip moves to the second lower die 7, the punching opening 11 of the second lower die 7 can cooperate with the second punching head 30 of the upper die set to punch out the excess part of the metal strip. When the section of the metal strip moves to the third lower die 8, the third support part 15 can cooperate with the third pressing part 31 of the upper die group to clamp the part of the metal strip that constitutes the bending section 2; the lower bending part 12 is driven by the power source to move upward, so that the part of the metal strip that constitutes the second connecting section 3 can be bent upward. When the section of the metal strip moves to the fourth lower die 9, the fourth support part 16 can cooperate with the fourth pressing part 32 of the upper die group to clamp the part of the metal strip that constitutes the first connecting section 1; the upper bending part 33 of the upper die group will bend the part of the metal strip that constitutes the bending section 2 downward. Finally, after the section of the metal strip leaves the fourth lower die 9, the cutter 34 of the upper die group will cut the section of the metal strip, thereby obtaining the automobile fender bracket. The lower die group can cooperate with the upper die group and the unwinding mechanism to punch, bend and cut the unwinding metal strip, thereby obtaining the automobile fender bracket at one time; the operation is simpler and the processing efficiency is higher.

[0044] It should be understood that a commercially available unwinding mechanism that unwinds the metal strip in a step-by-step manner can be selected to cooperate with the lower die set. Here, an upper die set that cooperates with the lower die set is provided. The upper die set includes: an upper base, and a first upper die, a second upper die, a third upper die, and a fourth upper die that are sequentially installed on the upper base from right to left; the first upper die is provided with a first punching head 29 to cooperate with the lower die set to punch out a mounting hole 4 in the metal strip; the second upper die is provided with a second punching head 30 to cooperate with the lower die set to punch out the excess part of the metal strip; the third upper die is provided with a third pressing piece 31 to cooperate with the lower die set to clamp the part of the metal strip that constitutes the bending section 2; the fourth upper die is provided with a fourth pressing piece 32 to cooperate with the lower die set to clamp the part of the metal strip that constitutes the first connecting section 1; the fourth upper die is provided with an upper bending piece 33 to bend the part of the metal strip that extends from the fourth pressing piece 32 downward; a cutter 34 is provided on the left side of the fourth lower die 9.

[0045] Furthermore, the lower base 5 is provided with a slide rail 17 extending in the left-right direction.

[0046] Furthermore, the first lower die 6 includes: a first limiting portion 18 and a first supporting portion 13; the first supporting portion 13 cooperates with the upper die assembly to clamp the metal strip, and the punching hole 10 is arranged on the supporting surface of the first supporting portion 13; the first limiting portion 18 has a first sliding groove that cooperates with the sliding rail 17; the first limiting portion 18 is adapted to lock it on the first locking piece 19 of the sliding rail 17. It should be understood that a threaded hole can be provided in the first limiting portion 18, and a screw can be provided in the first locking member 19, so that the screw of the first locking member 19 passes through the threaded hole and then abuts against the slide rail 17, so that the first limiting portion 18 can be locked; a smooth through hole can also be provided in the first limiting portion 18, and a threaded hole can be provided in the slide rail 17, and the first locking member 19 can be provided as a bolt, and the first locking member 19 can be passed through the through hole and the threaded hole in sequence to lock the first limiting portion 18; in addition, smooth through holes can also be provided in the first limiting portion 18 and the slide rail 17, and the first locking member 19 can be provided as a bolt, and after the first locking member 19 passes through the through holes of the first limiting portion 18 and the slide rail 17, a nut can be screwed on to lock the first limiting portion 18.

[0047] Further, the second lower die 7 comprises: a second limiting portion 20 and a second supporting portion 14; the second supporting portion 14 cooperates with the upper die set to clamp the portion of the metal strip constituting the automobile fender bracket; the second limiting portion 20 has a second slide groove that cooperates with the slide rail 17; the second limiting portion 20 is adapted to be locked to the second locking member 21 of the slide rail 17. It should be understood that the structure and principle of the second locking member 21 can refer to the first locking member 19, and will not be repeated here.

[0048] Further, the third lower mold 8 has a third limiting portion 22, and the third limiting portion 22 has a third sliding groove matched with the slide rail 17; the third limiting portion 22 is adapted to be locked to the third locking member 23 of the slide rail 17. It should be understood that the structure and principle of the third locking member 23 can refer to the first locking member 19, and will not be repeated here.

[0049] Further, the fourth lower mold 9 has a fourth limiting portion 24, and the fourth limiting portion 24 has a fourth slide groove matched with the slide rail 17; the fourth limiting portion 24 is adapted to be locked to the fourth locking member 25 of the slide rail 17. It should be understood that the structure and principle of the fourth locking member 25 can refer to the first locking member 19, and will not be repeated here.

[0050] Furthermore, the second lower die 7, the third lower die 8, and the fourth lower die 9 are respectively provided with positioning holes 26 corresponding to the mounting holes 4. It should be understood that a positioning head 41 corresponding to the positioning hole 26 can be provided at the bottom of the upper die set; in this way, when the upper die set moves downward, the positioning head 41 of the upper die set will pass through the mounting hole 4 of the metal strip and insert into the positioning hole 26, so as to perform punching and bending on the metal strip with the mounting hole 4 of the metal strip as a reference; this is conducive to improving the processing accuracy of the parts.

[0051] Further, the lower bending parts 12 are provided with two, which are distributed on the front and rear sides of the third lower mold 8; the two lower bending parts 12 are installed on the same lifting seat 27. It should be understood that the power source can drive the two lower bending parts 12 to move up and down synchronously by driving the lifting seat 27 to move up and down.

[0052] Furthermore, a positioning die 28 is provided on the right side of the first lower die 6; the positioning die 28 limits the front and rear sides of the metal strip.

[0053] To facilitate understanding of the use principle of the lower die set, the structure of the upper die set that cooperates with the lower die set is further described here: the first upper die is provided with a first mounting seat 35 and a first pressing piece 36; the first punching head 29 is installed on the first mounting seat 35; the first pressing piece 36 is provided with a first guide rod 37 extending upward, the first mounting seat 35 is provided with a first guide hole 38 that cooperates with the first guide rod 37, and the upper end of the first guide rod 37 is provided with a first supporting portion 39 supported on the first mounting seat 35; the first guide rod 37 is provided with a first spring 40 on the portion between the first mounting seat 35 and the first pressing piece 36. The first guide rod 37 can be set as a screw or a bolt, and installed on the first pressing piece 36 through a nut; in addition, a nut can be screwed on the upper end of the first guide rod 37 to serve as the first supporting portion 39. When the upper die set moves downward, the first pressing member 36 first reaches the upper surface of the metal strip to cooperate with the lower die set to clamp the metal strip; then, the first punching head 29 continues to move downward with the first mounting seat 35 to punch out a mounting hole in the metal strip. The structures and principles of the second upper die, the third upper die, and the fourth upper die can refer to the first upper die and be understood in conjunction with the accompanying drawings, and will not be repeated here.

[0054] The embodiment of the utility model also provides a processing device for an automobile fender bracket, which has the aforementioned lower mold assembly.

[0055] Although specific embodiments of the present invention are described above, those skilled in the art should understand that various changes or modifications may be made to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications are all within the scope of protection of the present invention.

Claims

1. The lower die set is characterized by: include: a lower base (5); and A first lower mold (6), a second lower mold (7), a third lower mold (8), and a fourth lower mold (9) are sequentially installed on the lower base (5) from right to left; in, The first lower die (6) is provided with a punching hole (10) to cooperate with the upper die assembly to punch out a mounting hole (4) in the metal strip; The second lower die (7) is provided with a punching opening (11) to cooperate with the upper die assembly to punch out the excess portion of the metal strip; The third lower die (8) has a third supporting portion (15) for cooperating with the upper die assembly to clamp the portion of the metal strip that forms the bending section (2); The third lower die (8) is adapted to fit the lower bending piece (12), and when the lower bending piece (12) is driven by a power source to move upward, it drives the portion of the metal strip extending from the third lower die (8) to bend upward; The fourth lower die (9) has a fourth supporting portion (16) for cooperating with the upper die assembly to clamp the portion of the metal strip that constitutes the first connecting section (1).

2. The lower die assembly according to claim 1, characterized in that: The lower base (5) is provided with a slide rail (17) extending in the left-right direction.

3. The lower die assembly according to claim 2, characterized in that: The first lower mold (6) comprises: a first limiting portion (18) and a first supporting portion (13); The first support portion (13) cooperates with the upper die set to clamp the metal strip, and the punching hole (10) is provided on the support surface of the first support portion (13); The first limiting portion (18) has a first sliding groove that cooperates with the slide rail (17); the first limiting portion (18) is adapted to be locked to a first locking member (19) of the slide rail (17).

4. The lower die assembly according to claim 2, characterized in that: The second lower mold (7) comprises: a second limiting portion (20) and a second supporting portion (14); The second support portion (14) cooperates with the upper die set to clamp the portion of the metal strip that constitutes the automobile fender bracket; The second limiting portion (20) has a second sliding groove that matches the sliding rail (17); the second limiting portion (20) is adapted to be locked to a second locking piece (21) of the sliding rail (17).

5. The lower die assembly according to claim 2, characterized in that: The third lower mold (8) has a third limiting portion (22); The third limiting portion (22) has a third sliding groove that cooperates with the slide rail (17); the third limiting portion (22) is adapted to be locked to a third locking piece (23) on the slide rail (17).

6. The lower die assembly according to claim 2, characterized in that: The fourth lower mold (9) has a fourth limiting portion (24); The fourth limiting portion (24) has a fourth sliding groove that cooperates with the slide rail (17); the fourth limiting portion (24) is adapted to be locked to a fourth locking member (25) on the slide rail (17).

7. The lower die assembly according to any one of claims 1 to 6, characterized in that: The second lower die (7), the third lower die (8) and the fourth lower die (9) are respectively provided with positioning holes (26) corresponding to the mounting holes (4).

8. The lower die assembly according to any one of claims 1 to 6, characterized in that: Two lower bending parts (12) are provided and are distributed on the front and rear sides of the third lower mold (8); the two lower bending parts (12) are installed on the same lifting seat (27).

9. The lower die assembly according to any one of claims 1 to 6, characterized in that: A positioning die (28) is provided on the right side of the first lower die (6); the positioning die (28) limits the front and rear sides of the metal strip.

10. A processing device for automobile fender bracket, characterized in that: A lower mold assembly according to any one of claims 1 to 9.

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