Multi-directional punching device for case

Abstract

The utility model discloses a multidirectional punching device for a case, which comprises an upper die assembly and a lower die assembly positioned below the upper die assembly, the upper die assembly comprises an upper die plate group, the upper die plate group is provided with a vertically arranged slotting tool, and the lower end part of the slotting tool extends to the lower part of the upper die plate group; the lower die assembly comprises a lower die plate set, the lower die plate set comprises a lower die plate used for positioning and placing a case product, a side push plate is transversely installed on the lower die plate set and located beside the lower die plate in a sliding mode, the side push plate is provided with a transverse punch protruding towards the side of the lower die plate, and the side push plate is provided with a pushing inclined face matched with the slotting tool. The upper die plate set is provided with a vertically-arranged vertical punch beside the slotting tool, the lower end of the vertical punch extends to the position below the upper die plate set, and the vertical punch is located over the lower die plate. Through the structural design, the multi-directional punching device for the machine case has the advantages of being novel in structural design and high in punching operation efficiency, and can complete punching machining of a forward hole and a lateral hole at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of punching devices, and particularly relates to a multi-directional punching device for a chassis. Background Art

[0002] For chassis sheet metal parts, flanges formed by bending are provided at their edge positions; among them, chassis products generally have front holes (hole structures vertically penetrating) and side holes (hole structures horizontally penetrating and opened at the flange positions). In the prior art, for chassis products with multi-directional holes (including front holes and side holes), the holes on the chassis product in different axial directions need to be respectively punched, and the chassis product needs to be positioned in each punching process, which will cause the problem of many punching processes and the problem of large cumulative errors caused by multiple positionings.

[0003] The Chinese utility model patent with the patent number ZL202322654689.7 and the patent name "Two-way synchronous side punching die for tailgate hinge body panel" discloses the following technical solution: specifically, a two-way synchronous side punching die for a tailgate hinge body panel includes a punching lower die and a punching upper die. The punching lower die includes a lower die base, a punching female die, a die holder, a horizontal guide rod, and a die assembly. The punching female die is fixed on the lower die base, and the horizontal guide rod penetrates through the die holder and can horizontally move on the die holder; the die assembly includes a slider, a die guide rod, a blank holder, a die spring, and a punch pin. The slider is fixed on the horizontal guide rod, and the slider is provided with an inclined stress surface; one end of the die guide rod is fixed on the slider, and the other end is inserted into the corresponding hole position of the blank holder; one end of the die spring is fixed on the slider, and the other end is fixed on the blank holder; one end of the punch pin is fixed on the slider, and the other end passes through the corresponding hole position of the blank holder; the punching upper die includes an upper die base and a wedge. The wedge is fixed on the upper die base, and the position and shape of the wedge match the inclined stress surface; during operation, the punching upper die moves downward, the wedge presses on the inclined stress surface and pushes the die assembly towards the punching female die, and at this time, the punch pin completes the side hole punching operation.

[0004] It should be noted that for the above-mentioned two-way synchronous side punching die for a tailgate hinge body panel, it can only realize the stamping forming of side holes, and cannot simultaneously realize the stamping forming of front holes and side holes; for parts products with multi-directional holes, the stamping forming processes of side holes and front holes still need to be completed separately, and there are still problems of many processes and large cumulative errors. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a multi-directional punching device for a chassis aiming at the deficiencies of the prior art. The multi-directional punching device for a chassis has a novel structural design, high punching operation efficiency, and can simultaneously complete the punching processes of front holes and side holes.

[0006] To achieve the above object, the present utility model is realized through the following technical solutions.

[0007] A multi-directional punching device for a chassis, comprising an upper die assembly and a lower die assembly located below the upper die assembly. The upper die assembly includes an upper template group, and a vertical cutting tool is installed on the upper template group in a vertical arrangement, and the lower end of the cutting tool extends below the upper template group;

[0008] The lower die assembly includes a lower template group, and the lower template group includes a lower template for positioning and placing the chassis product. A side push plate is horizontally slidably installed beside the lower template of the lower template group. The side push plate is provided with a horizontal punch protruding towards the side of the lower template, and the side push plate is provided with a top push inclined surface that cooperates with the cutting tool;

[0009] A vertical punch is installed beside the cutting tool on the upper template group in a vertical arrangement. The lower end of the vertical punch extends below the upper template group, and the vertical punch is located directly above the lower template.

[0010] Among them, the upper template group includes an upper die base plate, an upper backing plate, and an upper clamping plate that are sequentially screwed together from top to bottom. The upper ends of the vertical punch and the cutting tool are respectively clamped and fixed between the upper backing plate and the upper clamping plate;

[0011] An upper stripper plate is installed below the upper clamping plate. The upper stripper plate is provided with a vertically penetrating upper punch through hole corresponding to the vertical punch, and the lower end of the vertical punch extends into the upper punch through hole of the upper stripper plate;

[0012] The upper stripper plate is connected to the upper template group through an upper equal-height sleeve, and the upper template group is provided with a vertically arranged upper compression spring. The lower end of the upper compression spring abuts against the upper stripper plate.

[0013] Among them, the lower template group includes a lower die base plate and a lower backing plate screwed onto the upper surface of the lower die base plate. The lower template is screwed onto the upper surface of the lower backing plate;

[0014] The side push plate is horizontally slidably installed on the lower backing plate, and a limiting block is installed on the outer end side of the side push plate of the lower backing plate; when the side push plate is in the initial position, the side push plate abuts against and is limited by the limiting block.

[0015] Among them, a knife holder is installed on the upper surface of the lower backing plate in a vertical arrangement, and the upper end of the knife holder extends above the lower backing plate;

[0016] When the multi-directional punching device for the chassis is in the closed die state, the lower end of the cutting tool extends between the side push plate and the knife holder, and the cutting tool abuts against and contacts the knife holder.

[0017] Among them, a guide block is installed on the upper surface of the lower backing plate, and the guide block is provided with a horizontally penetrating guide hole;

[0018] The side push plate is screwed with side guide rods arranged horizontally and transversely, and the side guide rods penetrate through the guide holes of the guide blocks.

[0019] Among them, the inner end side of the side push plate is screwed with side clamping plates, and the outer end of the transverse punch is clamped and fixed between the side push plate and the side clamping plates;

[0020] The inner end side of the side clamping plate is provided with a side stripping plate. The side stripping plate is provided with a laterally penetrating side punch through hole corresponding to the transverse punch, and the inner end of the transverse punch does not extend into the side punch through hole;

[0021] The side stripping plate is connected to the side clamping plate through side equal-height sleeves, and the side clamping plate or the side push plate is provided with a side compression spring abutting against the side stripping plate.

[0022] Compared with the prior art, the utility model has the following beneficial effects. Specifically: during operation, the multi-directional punching device of the chassis of the utility model can simultaneously complete the punching processing of the forward holes and the lateral holes; compared with the prior art, the multi-directional punching device of the chassis of the utility model can effectively avoid the problems brought by multi-process punching and multiple positioning. Therefore, the multi-directional punching device of the chassis of the present utility model has the advantages of novel structural design and high punching operation efficiency. Description of the Drawings

[0023] The following uses the drawings to further illustrate the present utility model, but the embodiments in the drawings do not constitute any limitation to the present utility model.

[0024] Figure 1 It is a schematic structural diagram of the present utility model.

[0025] Figure 2 It is a partial structural schematic diagram of the present utility model in the mold closing state.

[0026] In Figure 1 and Figure 2 include:

[0027] 1 - upper die assembly; 11 - upper die base plate; 12 - upper backing plate; 13 - upper clamping plate; 14 - insert knife; 15 - vertical punch; 16 - upper stripping plate; 161 - upper punch through hole; 17 - upper equal-height sleeve; 18 - upper compression spring; 2 - lower die assembly; 21 - lower die base plate; 22 - lower backing plate; 23 - lower template; 24 - side push plate; 241 - pushing inclined surface; 25 - transverse punch; 26 - limit block; 27 - abutting knife; 28 - side guide rod; 29 - side clamping plate; 210 - side stripping plate; 2101 - side punch through hole; 211 - side equal-height sleeve; 212 - side compression spring; 3 - chassis product. Detailed Embodiments

[0028] The following combines specific embodiments to illustrate the present utility model.

[0029] Example 1, as Figure 1 and Figure 2 As shown, a multi-directional punching device for a chassis includes an upper mold assembly 1 and a lower mold assembly 2 located below the upper mold assembly 1. The upper mold assembly 1 includes an upper template group. The upper template group is assembled with a vertically arranged insert knife 14, and the lower end of the insert knife 14 extends to the bottom of the upper template group.

[0030] Among them, such as Figure 1 and Figure 2 As shown, the lower mold assembly 2 includes a lower mold plate 23 group, which includes a lower mold plate 23 for positioning and placing the chassis product 3. The lower mold plate 23 group is equipped with a side push plate 24 that slides laterally beside the lower mold plate 23. The side push plate 24 is equipped with a horizontal punch 25 that protrudes toward the side of the lower mold plate 23. The side push plate 24 is provided with a push inclined surface 241 that cooperates with the inserting knife 14.

[0031] Furthermore, the upper template assembly is provided with a vertical punch 15 arranged vertically beside the insert 14 , and the lower end of the vertical punch 15 extends to the bottom of the upper template assembly. The vertical punch 15 is located directly above the lower template 23 .

[0032] In the process of punching the chassis product 3 using the chassis multi-directional punching device of the first embodiment of the present invention, the staff positions the chassis product 3 to be punched on the lower template 23. The lower template 23 adopts a contour design and the contour shape of the upper end of the lower template 23 is consistent with the contour shape of the chassis product 3. After the chassis product 3 is positioned and placed on the lower template 23, the upper mold assembly 1 moves downward and performs a mold closing action. During this process, the vertical punch 15 and the inserting knife 14 move downward synchronously with the upper template assembly. When the inserting knife 14 contacts the pushing inclined surface 241 of the side push plate 24, the inserting knife 14 moving downward will push the side push plate 24 toward the chassis. The product 3 moves sideways, and the horizontal punch 25 moves synchronously with the side push plate 24 toward the side of the chassis product 3. At this time, the vertical punch 15 moves downward and the horizontal punch 25 moves horizontally toward the side of the chassis product 3. When the upper die assembly 1 and the lower die assembly 2 are closed, the vertical punch 15 punches out the forward hole of the chassis product 3, and the horizontal punch 25 punches out the side hole of the chassis product 3, that is, the forward hole and the side hole are punched and formed at one time. After the punching of the chassis product 3 is completed, the upper die assembly 1 moves upward and performs the mold opening action. After the upper die assembly 1 moves up into place, the staff removes the chassis product 3 that has been punched from the lower template 23.

[0033] Based on the above situations, it can be known that through the above structural design, the multi-directional punching device for the chassis in the first embodiment can simultaneously complete the stamping forming of the forward holes and the lateral holes; compared with the prior art, the multi-directional punching device for the chassis in the first embodiment can effectively avoid the problems brought by multi-process stamping and multiple positioning. Therefore, the multi-directional punching device for the chassis in the first embodiment has the advantages of novel structural design and high punching operation efficiency.

[0034] Embodiment 2, as Figure 1 and Figure 2 shown, the difference between the second embodiment and the first embodiment is that: the upper template group includes an upper die base plate 11, an upper backing plate 12, and an upper clamping plate 13 that are sequentially screwed from top to bottom. The upper end portions of the vertical punch 15 and the inserting knife 14 are respectively clamped and fixed between the upper backing plate 12 and the upper clamping plate 13; an upper stripper plate 16 is installed below the upper clamping plate 13. The upper stripper plate 16 is provided with a vertically penetrating upper punch through hole 161 corresponding to the vertical punch 15, and the lower end portion of the vertical punch 15 extends into the upper punch through hole 161 of the upper stripper plate 16; the upper stripper plate 16 is connected to the upper template group through an upper equal-height sleeve 17, and the upper template group is provided with a vertically arranged upper compression spring 18, and the lower end portion of the upper compression spring 18 abuts against the upper stripper plate 16.

[0035] For the multi-directional punching device for the chassis in the second embodiment, during the process of the upper die assembly 1 moving downward and performing the die closing action, the elastic force of the upper compression spring 18 causes the upper stripper plate 16 to move downward away from the upper clamping plate 13, and the upper stripper plate 16 will first contact and press the chassis product 3 on the lower template 23 to realize the pressing and fixing of the chassis product 3. During the process of the upper die assembly 1 moving upward and performing the die opening action, the upper stripper plate 16 first remains pressing the chassis product 3. After the vertical punch 15 retreats from the chassis product 3, the upper stripper plate 16 moves upward with the upper template group under the pulling action of the upper equal-height sleeve 17 and disengages from the chassis product 3, so as to realize stable stripping between the vertical punch 15 and the chassis product 3.

[0036] Embodiment 3, as Figure 1 and Figure 2 shown, the difference between the third embodiment and the first embodiment is that: the lower template 23 group includes a lower die base plate 21 and a lower backing plate 22 screwed on the upper surface of the lower die base plate 21, and the lower template 23 is screwed on the upper surface of the lower backing plate 22.

[0037] Among them, the side push plate 24 is horizontally slidably installed on the lower backing plate 22, and a limit block 26 is installed on the outer end side of the lower backing plate 22 for the side push plate 24.

[0038] For the limit block 26 of the third embodiment, when the side push plate 24 is in the initial position, the side push plate 24 abuts against and is limited by the limit block 26; through the blocking and limiting effect of the limit block 26, it can ensure that the insertion tool 14 can stably and reliably contact the pushing inclined surface 241 of the side push plate 24 during the mold closing operation, so as to improve the stability and reliability of the operation process.

[0039] Embodiment 4, as Figure 1 and Figure 2 shown, the difference between the fourth embodiment and the third embodiment is that: the lower backing plate 22 is provided with a tool-abutting block 27 arranged vertically, and the upper end of the tool-abutting block 27 extends above the lower backing plate 22; when the multi-directional punching device of the chassis is in the mold closing state, the lower end of the insertion tool 14 extends between the side push plate 24 and the tool-abutting block 27, and the insertion tool 14 abuts against the tool-abutting block 27.

[0040] For the tool-abutting block 27 of the fourth embodiment, when the insertion tool 14 moves downward and pushes the side push plate 24, the side push plate 24 will react on the insertion tool 14; through the auxiliary abutting effect of the tool-abutting block 27, it can prevent the insertion tool 14 from deforming due to the reaction force of the side push plate 24 and ensure the stability of the stamping operation.

[0041] Embodiment 5, as Figure 1 and Figure 2 shown, the difference between the fifth embodiment and the third embodiment is that: a guide block (not shown in the figure) is installed on the upper surface of the lower backing plate 22, and the guide block is provided with a horizontally penetrating guide hole; the side push plate 24 is screwed with a side guide rod 28 arranged horizontally, and the side guide rod 28 penetrates through the guide hole of the guide block.

[0042] Through the guide pair structure composed of the side guide rod 28 and the guide block, the fifth embodiment can effectively ensure the accuracy of the horizontal lateral movement of the side push plate 24.

[0043] Embodiment 6, as Figure 1 and Figure 2 shown, the difference between the sixth embodiment and the first embodiment is that: a side clamping plate 29 is screwed on the inner end side of the side push plate 24, and the outer end of the horizontal punch is clamped and fixed between the side push plate 24 and the side clamping plate 29.

[0044] Among them, a side stripper plate 210 is installed on the inner end side of the side clamping plate 29, and the side stripper plate 210 is provided with a horizontally penetrating side punch through hole 2101 corresponding to the horizontal punch, and the inner end of the horizontal punch does not extend into the side punch through hole 2101.

[0045] In addition, the side stripper plate 210 is connected to the side clamping plate 29 through a side equal-height sleeve 211, and a side compression spring 212 that abuts against the side stripper plate 210 is installed on the side clamping plate 29 or the side push plate 24.

[0046] During the process of the insertion blade 14 pushing the side push plate 24 to move towards the side of the chassis product 3, the elastic force of the side compression spring 212 causes the side stripper plate 210 to retract inwardly away from the side clamping plate 29, and the side stripper plate 210 will first contact and press the chassis product 3 to achieve lateral clamping and fixation of the chassis product 3. During the process of the insertion blade 14 retracting from the side push plate 24 and the side compression spring 212 pushing the side push plate 24 to move outwardly, the transverse punch 25 will retract into the side punch through hole 2101 of the side stripper plate 210, so as to achieve stable material stripping between the transverse punch 25 and the chassis product 3.

[0047] The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. A multi-directional punching device for a chassis, comprising an upper die assembly (1) and a lower die assembly (2) located below the upper die assembly (1). The upper die assembly (1) includes an upper template group, and a vertical insert knife (14) is installed on the upper template group. The lower end of the insert knife (14) extends below the upper template group; The lower die assembly (2) includes a lower template (23) group. The lower template (23) group includes a lower template (23) for positioning and placing the chassis product (3). A side push plate (24) is horizontally slidably installed beside the lower template (23) of the lower template (23) group. The side push plate (24) is equipped with a horizontal punch (25) protruding towards the side of the lower template (23). The side push plate (24) is provided with a top push inclined surface (241) that cooperates with the insert knife (14); It is characterized in that: A vertical punch (15) arranged vertically is installed beside the insert knife (14) on the upper template group. The lower end of the vertical punch (15) extends below the upper template group. The vertical punch (15) is located directly above the lower template (23).

2. The multi-directional punching device for a chassis according to claim 1, wherein: The upper template group includes an upper die base plate (11), an upper backing plate (12), and an upper clamping plate (13) that are sequentially screwed together from top to bottom. The upper end of the vertical punch (15) and the upper end of the insert knife (14) are respectively clamped and fixed between the upper backing plate (12) and the upper clamping plate (13); An upper stripper plate (16) is installed below the upper clamping plate (13). The upper stripper plate (16) is provided with a vertically penetrating upper punch through hole (161) corresponding to the vertical punch (15). The lower end of the vertical punch (15) extends into the upper punch through hole (161) of the upper stripper plate (16); The upper stripper plate (16) is connected to the upper template group through an upper equal-height sleeve (17). And the upper template group is equipped with a vertically arranged upper compression spring (18). The lower end of the upper compression spring (18) abuts against the upper stripper plate (16).

3. The multi-directional punching device for a chassis according to claim 1, wherein: The lower template (23) group includes a lower die base plate (21) and a lower backing plate (22) screwed onto the upper surface of the lower die base plate (21). The lower template (23) is screwed onto the upper surface of the lower backing plate (22); The side push plate (24) is horizontally slidably installed on the lower backing plate (22). And a limit block (26) is installed on the outer end side of the side push plate (24) of the lower backing plate (22). When the side push plate (24) is in the initial position, the side push plate (24) abuts against and is limited by the limit block (26).

4. The multi-directional punching device for a chassis according to claim 3, characterized in that: The lower backing plate (22) is equipped with a knife holder (27) arranged vertically. The upper end of the knife holder (27) extends above the lower backing plate (22); When the multi-directional punching device for the chassis is in the closed die state, the lower end of the insert knife (14) extends between the side push plate (24) and the knife holder (27), and the insert knife (14) abuts against and contacts the knife holder (27).

5. The multi-directional punching device for a chassis according to claim 3, wherein: A guide block is installed on the upper surface of the lower backing plate (22). The guide block is provided with a horizontally penetrating guide hole; The side push plate (24) is screwed with a side guide rod (28) arranged horizontally. The side guide rod (28) penetrates through the guide hole of the guide block.

6. The multi-directional punching device for a chassis according to claim 1, wherein: The inner end side of the side push plate (24) is screwed with a side clamping plate (29), and the outer end of the transverse punch (25) is clamped and fixed between the side push plate (24) and the side clamping plate (29); The inner end side of the side clamping plate (29) is provided with a side stripper plate (210). The side stripper plate (210) is provided with a laterally penetrating side punch through hole (2101) corresponding to the transverse punch (25). The inner part of the transverse punch (25) does not extend into the side punch through hole (2101); The side stripper plate (210) is connected to the side clamping plate (29) through a side equal-height sleeve (211), and a side compression spring (212) abutting against the side stripper plate (210) is provided on the side clamping plate (29) or the side push plate (24).

Images