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

Abstract

The utility model provides a machining device of an automobile fender support and an upper 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 upper die set comprises an upper base, and a first upper die, a second upper die, a third upper die and a fourth upper die which are sequentially mounted on the upper base from right to left; the first upper die is provided with a first blanking head; the second upper die is provided with a second blanking head; the third upper die is provided with a third pressing piece; the fourth upper die is provided with a fourth pressing piece; the fourth upper die is provided with an upper bending piece; a cutter is arranged on the left side of the fourth upper die. The upper die set can be matched with the lower 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 upper 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 an upper 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 an upper die set, which can cooperate with the lower 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 upper die set.

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

[0006] 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 which are sequentially installed on the upper base from right to left. The first upper die is provided with a first punching head to cooperate with the lower die set to punch out a mounting hole in the metal strip; the second upper die is provided with a second punching head 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 to cooperate with the lower die set to clamp the part of the metal strip that constitutes the bending section; the fourth upper die is provided with a fourth pressing piece to cooperate with the lower die set to clamp the part of the metal strip that constitutes the first connecting section; the fourth upper die is provided with an upper bending piece to bend the part of the metal strip that extends out of the fourth pressing piece downward; and the fourth upper die is provided with a cutter on the left side.

[0007] Optionally, the first upper mold is provided with a first mounting seat and a first pressing piece; the first punching head is mounted on the first mounting seat; the first pressing piece is provided with a first guide rod extending upward, the first mounting seat is provided with a first guide hole matching with the first guide rod, and the upper end of the first guide rod is provided with a first supporting portion supported on the first mounting seat; the part of the first guide rod located between the first mounting seat and the first pressing piece is sleeved with a first spring.

[0008] Optionally, the second upper mold is provided with a second mounting seat and a second pressing piece; the second punching head is mounted on the second mounting seat; the second pressing piece is provided with a second guide rod extending upward, the second mounting seat is provided with a second guide hole matching with the second guide rod, and the upper end of the second guide rod is provided with a second supporting portion supported on the second mounting seat; the part of the second guide rod located between the second mounting seat and the second pressing piece is sleeved with a second spring.

[0009] Optionally, the third upper mold is provided with a third mounting seat; the third pressing piece is provided with a third guide rod extending upward, the third mounting seat is provided with a third guide hole cooperating with the third guide rod, and the upper end of the third guide rod is provided with a third supporting portion supported on the third mounting seat; the part of the third guide rod located between the third mounting seat and the third pressing piece is provided with a third spring.

[0010] Optionally, the fourth upper mold is provided with a fourth mounting seat; the upper bending member and the cutter are installed on the fourth mounting seat; the fourth pressing member is provided with a fourth guide rod extending upward, the fourth mounting seat is provided with a fourth guide hole cooperating with the fourth guide rod, and the upper end of the fourth guide rod is provided with a fourth supporting portion supported on the fourth mounting seat; the part of the fourth guide rod located between the fourth mounting seat and the fourth pressing member is provided with a fourth spring.

[0011] Optionally, the upper base is provided with a slide rail extending in the left-right direction, and the first upper mold, the second upper mold, the third upper mold, and the fourth upper mold are respectively provided with a slide groove cooperating with the slide rail, and are respectively equipped with a locking piece.

[0012] Optionally, the bottoms of the second pressing member, the third pressing member, and the fourth pressing member are respectively provided with positioning heads corresponding to the mounting holes.

[0013] The present application also provides a processing device for an automobile fender bracket, which has the above-mentioned upper mold assembly.

[0014] The working principle of the utility model is as follows: the upper die set is usually used in conjunction with the lower 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 just below the first upper die, the first punching head of the first upper die can cooperate with the punching hole of the lower die set to punch out a mounting hole in the metal strip. When the section of the metal strip moves to just below the second upper die, the second punching head of the second upper die can cooperate with the punching opening of the lower die set to punch out the excess part of the metal strip. When the section of the metal strip moves to the right below the third upper die, the third pressing member can cooperate with the third supporting part of the lower die set to clamp the part of the metal strip that constitutes the bending section; by moving the lower bending member of the lower die set upward, 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 right below the fourth upper die, the fourth pressing member can cooperate with the fourth supporting part of the lower die set to clamp the part of the metal strip that constitutes the first connecting section; the upper bending member will bend the part of the metal strip that constitutes the bending section downward. Finally, when the section of the metal strip moves to the left side of the fourth upper die, the cutter will cut the section of the metal strip, thereby producing a car fender bracket.

[0015] It can be seen that the beneficial effects of the utility model are: it can cooperate with the lower 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

[0016] 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.

[0017] Figure 1 It is a structural schematic diagram of a car fender bracket;

[0018] Figure 2 It is a structural schematic diagram of the upper module;

[0019] Figure 3 A schematic diagram of the upper die set cooperating with the lower die set to process the metal strip;

[0020] Figure 4 It is a structural schematic diagram of the lower module;

[0021] Figure 5is a structural schematic diagram of the first upper die;

[0022] Figure 6 is an assembly schematic diagram of the first upper die;

[0023] Figure 7 is a structural schematic diagram of the second upper die;

[0024] Figure 8 It is the assembly schematic diagram of the second upper die;

[0025] Fig. 9 is a schematic diagram of the structure of the third upper die;

[0026] Fig.10 is a structural schematic diagram of the fourth upper die;

[0027] Fig.11 This is the assembly diagram of the fourth upper die.

[0028] Reference numerals: 1, first connecting section; 2, bending section; 3, second connecting section; 4, mounting hole; 5, upper base; 6, first upper die; 7, second upper die; 8, third upper die; 9, fourth upper die; 10, first punching head; 11, second punching head; 12, upper bending member; 13, cutter; 14, first pressing member; 15, second pressing member; 16, third pressing member; 17, fourth pressing member; 18, first mounting seat; 19, first guide rod; 20, first guide hole; 21, first support portion; 2 2. First spring; 23. Second mounting seat; 24. Second guide rod; 25. Second guide hole; 26. Second support portion; 27. Second spring; 28. Third mounting seat; 29. ​​Third spring; 30. Fourth mounting seat; 31. Fourth guide rod; 32. Fourth guide hole; 33. Fourth support portion; 34. Fourth spring; 35. Slide rail; 36. Locking member; 37. Positioning head; 38. Punching hole; 39. Punching opening; 40. Third support portion; 41. Lower bending member; 42. Fourth support portion. DETAILED DESCRIPTION

[0029] 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.

[0030] 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 3The 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.

[0031] 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.

[0032] 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.

[0033] 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 the purpose is not to limit the present invention.

[0034] The following is combined with Figure 1 ~Attached Fig.11 The embodiments of the present utility model are described in detail.

[0035] The embodiment of the utility model provides an upper die set. The upper die set includes: an upper base 5, and a first upper die 6, a second upper die 7, a third upper die 8, and a fourth upper die 9 which are sequentially installed on the upper base 5 from right to left. The first upper die 6 is provided with a first punching head 10 to cooperate with the lower die set to punch out the mounting hole 4 in the metal strip. The second upper die 7 is provided with a second punching head 11 to cooperate with the lower die set to punch out the excess part of the metal strip. The third upper die 8 is provided with a third pressing piece 16 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 9 is provided with a fourth pressing piece 17 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 9 is provided with an upper bending piece 12 to bend downward the part of the metal strip that extends from the fourth pressing piece 17. It should be understood that the fourth upper die 9 is usually provided with an upper bending piece 12 on the front and rear sides respectively. The fourth upper die 9 is provided with a cutter 13 on the left side.

[0036] The specific implementation method of the upper die set is described below: the upper die set is usually used in conjunction with the lower 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 right below the first upper die 6, the first punching head 10 of the first upper die 6 can cooperate with the punching hole 38 of the lower die set to punch out the mounting hole 4 in the metal strip. When the section of the metal strip moves to the right below the second upper die 7, the second punching head 11 of the second upper die 7 can cooperate with the punching opening 39 of the lower die set to punch out the excess part of the metal strip. When the section of the metal strip moves to the right below the third upper die 8, the third pressing member 16 can cooperate with the third supporting part 40 of the lower die group to clamp the part of the metal strip constituting the bending section 2; the lower bending member 41 of the lower die group is moved upward, so that the part of the metal strip constituting the second connecting section 3 can be bent upward. When the section of the metal strip moves to the right below the fourth upper die 9, the fourth pressing member 17 can cooperate with the fourth supporting part 42 of the lower die group to clamp the part of the metal strip constituting the first connecting section 1; the upper bending member 12 will bend the part of the metal strip constituting the bending section 2 downward. Finally, when the section of the metal strip moves to the left side of the fourth upper die 9, the cutter 13 of the fourth upper die 9 will cut the section of the metal strip, thereby obtaining the automobile fender bracket. The upper die group can cooperate with the lower 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.

[0037] 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 upper die set. Here, a lower die set that cooperates with the upper die set is provided. 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 that are sequentially installed on the lower base from right to left. The first lower die is provided with a punching hole 38 to cooperate with the upper die set to punch out a mounting hole 4 in the metal strip. The second lower die is provided with a punching opening 39 to cooperate with the upper die set to punch out the excess part of the metal strip. The third lower die has a third support portion 40 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 is adapted to a lower bending member 41, and when the lower bending member 41 moves upward under the drive of a power source, it drives the part of the metal strip that extends out of the third lower die to bend upward. The power source can be a cylinder or a hydraulic cylinder. The fourth lower die has a fourth supporting portion 42 to cooperate with the upper die assembly to clamp the portion of the metal strip that constitutes the first connecting section 1 .

[0038] Further, the first upper die 6 is provided with a first mounting seat 18 and a first pressing member 14; the first punching head 10 is installed on the first mounting seat 18; the first pressing member 14 is provided with a first guide rod 19 extending upward, the first mounting seat 18 is provided with a first guide hole 20 cooperating with the first guide rod 19, and the upper end of the first guide rod 19 is provided with a first supporting portion 21 supported on the first mounting seat 18; the first guide rod 19 is provided with a first spring 22 on the part between the first mounting seat 18 and the first pressing member 14. It should be understood that the first guide rod 19 can be set as a screw or a bolt and installed on the first pressing member 14 through a nut; in addition, the nut can be screwed on the upper end of the first guide rod 19 as the first supporting portion 21. When the upper die set moves downward, the first pressing member 14 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 10 will continue to move downward with the first mounting seat 18 to punch out the mounting hole 4 in the metal strip.

[0039] Further, the second upper die 7 is provided with a second mounting seat 23 and a second pressing member 15; the second punching head 11 is mounted on the second mounting seat 23; the second pressing member 15 is provided with a second guide rod 24 extending upward, the second mounting seat 23 is provided with a second guide hole 25 matched with the second guide rod 24, and the upper end of the second guide rod 24 is provided with a second supporting portion 26 supported on the second mounting seat 23; the part of the second guide rod 24 located between the second mounting seat 23 and the second pressing member 15 is sleeved with a second spring 27. It should be understood that the structure and principle of the second guide rod 24 can refer to the first guide rod 19, and will not be repeated here.

[0040] Further, the third upper mold 8 is provided with a third mounting seat 28; the third pressing member 16 is provided with a third guide rod extending upward, the third mounting seat 28 is provided with a third guide hole matched with the third guide rod, and the upper end of the third guide rod is provided with a third supporting portion supported on the third mounting seat 28; the portion of the third guide rod located between the third mounting seat 28 and the third pressing member 16 is sleeved with a third spring 29. It should be understood that the structure and principle of the third guide rod can refer to the first guide rod 19, and will not be repeated here.

[0041] Further, the fourth upper die 9 is provided with a fourth mounting seat 30; the upper bending member 12 and the cutter 13 are mounted on the fourth mounting seat 30; the fourth pressing member 17 is provided with a fourth guide rod 31 extending upward, the fourth mounting seat 30 is provided with a fourth guide hole 32 matched with the fourth guide rod 31, and the upper end of the fourth guide rod 31 is provided with a fourth supporting portion 33 supported on the fourth mounting seat 30; the portion of the fourth guide rod 31 located between the fourth mounting seat 30 and the fourth pressing member 17 is sleeved with a fourth spring 34. It should be understood that the structure and principle of the fourth guide rod 31 can refer to the first guide rod 19, and will not be repeated here.

[0042] Further, the upper base 5 is provided with a slide rail 35 extending in the left-right direction, and the first upper mold 6, the second upper mold 7, the third upper mold 8, and the fourth upper mold 9 are respectively provided with a slide groove matched with the slide rail 35, and each is adapted to a locking member 36. It should be understood that a rod with a thread can be provided on the locking member 36, and threaded holes for installing the locking member 36 can be provided on the first mounting seat 18, the second mounting seat 23, the third mounting seat 28, and the fourth mounting seat 30, respectively, so that the rod of the locking member 36 is pressed against the slide rail 35, so that the first mounting seat 18, the second mounting seat 23, the third mounting seat 28, or the fourth mounting seat 30 can be locked. In addition, a smooth through hole can be provided on the first mounting seat 18, the second mounting seat 23, the third mounting seat 28, and the fourth mounting seat 30, a threaded hole can be provided on the slide rail 35, and a rod with a thread can be provided on the locking member 36, and the locking can be performed in a bolted manner.

[0043] Furthermore, the bottoms of the second pressing member 15, the third pressing member 16, and the fourth pressing member 17 are respectively provided with positioning heads 37 corresponding to the mounting holes 4. It should be understood that a positioning hole corresponding to the positioning head 37 can be provided on the top of the lower die set; in this way, when the upper die set moves downward, the positioning head 37 of the upper die set will pass through the mounting hole 4 of the metal strip and insert into the positioning hole, so that the metal strip is punched and bent with the mounting hole 4 of the metal strip as a reference; this is conducive to improving the processing accuracy of the parts.

[0044] The embodiment of the utility model also provides a processing device for an automobile fender bracket, which has the above-mentioned upper mold assembly.

[0045] 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. Upper die set, characterized in that: include: Upper base (5); and A first upper mold (6), a second upper mold (7), a third upper mold (8), and a fourth upper mold (9) are sequentially installed on the upper base (5) from right to left; in, The first upper die (6) is provided with a first punching head (10) to cooperate with the lower die assembly to punch a mounting hole (4) in the metal strip; The second upper die (7) is provided with a second punching head (11) to cooperate with the lower die assembly to punch out the redundant part of the metal strip; The third upper die (8) is provided with a third pressing member (16) to cooperate with the lower die assembly to clamp the portion of the metal strip that forms the bending section (2); The fourth upper die (9) is provided with a fourth pressing member (17) to cooperate with the lower die assembly to clamp the portion of the metal strip that constitutes the first connecting section (1); The fourth upper die (9) is provided with an upper bending piece (12) so as to bend the portion of the metal strip extending from the fourth pressing piece (17) downward; The fourth upper die (9) is provided with a cutter (13) on the left side.

2. The upper die assembly according to claim 1, characterized in that: The first upper die (6) is provided with a first mounting seat (18) and a first pressing member (14); the first punching head (10) is mounted on the first mounting seat (18); The first pressing member (14) is provided with a first guide rod (19) extending upward, the first mounting seat (18) is provided with a first guide hole (20) matched with the first guide rod (19), and the upper end of the first guide rod (19) is provided with a first supporting portion (21) supported on the first mounting seat (18); A first spring (22) is sleeved on a portion of the first guide rod (19) located between the first mounting seat (18) and the first pressing member (14).

3. The upper die assembly according to claim 1, characterized in that: The second upper die (7) is provided with a second mounting seat (23) and a second pressing member (15); the second punching head (11) is mounted on the second mounting seat (23); The second pressing member (15) is provided with a second guide rod (24) extending upward, the second mounting seat (23) is provided with a second guide hole (25) matched with the second guide rod (24), and the upper end of the second guide rod (24) is provided with a second supporting portion (26) supported on the second mounting seat (23); A second spring (27) is sleeved on a portion of the second guide rod (24) located between the second mounting seat (23) and the second pressing member (15).

4. The upper die assembly according to claim 1, characterized in that: The third upper mold (8) is provided with a third mounting seat (28); The third pressing member (16) is provided with a third guide rod extending upward, the third mounting seat (28) is provided with a third guide hole matched with the third guide rod, and the upper end of the third guide rod is provided with a third supporting portion supported on the third mounting seat (28); A third spring (29) is sleeved on a portion of the third guide rod located between the third mounting seat (28) and the third pressing member (16).

5. The upper die assembly according to claim 1, characterized in that: The fourth upper die (9) is provided with a fourth mounting seat (30); the upper bending member (12) and the cutting knife (13) are mounted on the fourth mounting seat (30); The fourth pressing member (17) is provided with a fourth guide rod (31) extending upward, the fourth mounting seat (30) is provided with a fourth guide hole (32) matched with the fourth guide rod (31), and the upper end of the fourth guide rod (31) is provided with a fourth supporting portion (33) supported on the fourth mounting seat (30); A fourth spring (34) is sleeved on a portion of the fourth guide rod (31) located between the fourth mounting seat (30) and the fourth pressing member (17).

6. The upper die assembly according to any one of claims 1 to 5, characterized in that: The upper base (5) is provided with a slide rail (35) extending in the left-right direction, and the first upper mold (6), the second upper mold (7), the third upper mold (8), and the fourth upper mold (9) are respectively provided with a slide groove matching the slide rail (35) and are respectively adapted with a locking piece (36).

7. The upper die assembly according to claim 3, characterized in that: The bottoms of the second pressing piece (15), the third pressing piece (16) and the fourth pressing piece (17) are respectively provided with positioning heads (37) corresponding to the mounting holes (4).

8. A processing device for automobile fender bracket, characterized in that: A top die assembly according to any one of claims 1 to 7.

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