Hardware flat plate side camber surface flatting die structure

Abstract

The utility model discloses a hardware flat plate side camber surface beat flat mould structure, it includes upper die subassembly, lower die subassembly, upper die subassembly includes upper die holder, upper backing plate, upper clamping plate, pressure plate, a plurality of nitrogen gas springs, and the lower end of each nitrogen gas spring is respectively with the upper surface of pressure plate elastic abutment, lower die subassembly includes lower die holder, lower backing pad, lower die plate, and the front end edge part of lower die plate upper surface is provided with the profiling positioning boss, and lower backing pad installs two product positioning blocks and one quick clamp, and the lower surface of pressure plate is provided with profiling positioning recess, and pressure plate is provided with the vertical through and the communication punch via of profiling positioning recess, and the clamping plate is installed with beat flat punch between upper backing plate and upper clamping plate, and the lower end of beat flat punch extends into the punch via of upper clamping plate. Through above -mentioned structural design, the utility model discloses a hardware flat plate side camber surface beat flat mould structure can effectively realize hardware flat plate side camber surface beat flat processing, and has the advantage that the structure design is novel.

Description

Technical Field

[0001] This utility model relates to the field of mold device technology, and in particular to a mold structure for flattening the side arc surface of a metal flat plate. Background Technology

[0002] For some flat metal products, the edges are provided with curved surfaces, such as the outer casing of a tablet computer or the outer casing of a display screen; if the curved surfaces of the flat metal products need to be flattened, a corresponding mold structure is required.

[0003] Among them, the Chinese utility model patent with patent number ZL202220320415.7 and patent name: Fine blanking die structure applicable to ordinary punch press, specifically discloses the following technical solution: A fine blanking die structure applicable to ordinary punch press, which includes an upper die part and a lower die part. The upper die part includes an upper pad block, an upper die base, an upper pad plate, an upper clamping plate, a stop plate and a stripper plate arranged from top to bottom. The lower die part includes a lower template, a lower pad plate, a lower back plate, a lower die base and a lower pad block arranged from top to bottom. Multiple nitrogen springs are arranged on the side of the upper pad block near the upper die base. The upper clamping plate is provided with a punch, which is suitable for passing through the stop plate and the stripper plate.

[0004] It should be noted that the fine blanking die structure applicable to ordinary punch presses cannot achieve the flattening of the curved side surface of metal flat plates; therefore, it is necessary to design a die structure specifically for the flattening of the curved side surface of metal flat plates. Utility Model Content

[0005] The purpose of this utility model is to provide a flattening mold structure for the side arc surface of a metal flat plate, which addresses the shortcomings of the existing technology. This flattening mold structure for the side arc surface of a metal flat plate has a novel design and can be effectively applied to the flattening process of the side arc surface of a metal flat plate.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0007] A flattening mold structure for the side arc surface of a metal flat plate includes an upper mold assembly and a lower mold assembly located at the lower end of the upper mold assembly. The upper mold assembly includes an upper mold base, an upper pad, an upper clamping plate, a pressure plate, and several nitrogen springs. The upper mold base, the upper pad, and the upper clamping plate are screwed together from top to bottom. The pressure plate is located at the lower end of the upper clamping plate.

[0008] The lower mold assembly includes a lower mold base, a lower pad block, and a lower template, which are screwed together from top to bottom.

[0009] The front edge of the upper surface of the lower template is provided with a contour positioning protrusion that matches the inner wall shape of the side arc surface of the metal flat product. The lower pad is equipped with two product positioning blocks arranged at left and right intervals and a quick clamp.

[0010] The lower surface of the pressure plate is provided with a contour positioning groove that is vertically aligned with the contour positioning protrusion of the lower template and adapted to the outer wall shape of the side arc surface of the metal flat plate product. The pressure plate is provided with a punch through hole that is vertically penetrating and connected to the contour positioning groove.

[0011] A flattening punch is fastened between the upper pad and the upper clamping plate. The lower end of the flattening punch extends to the lower side of the upper clamping plate and extends into the punch through hole of the upper clamping plate.

[0012] The lower end of each nitrogen spring is elastically abutted against the upper surface of the pressure plate.

[0013] The upper pad has vertical through holes for each nitrogen spring, and each nitrogen spring is embedded in the corresponding through hole. Each nitrogen spring is also limited and locked between the upper mold base and the upper clamping plate.

[0014] The upper clamping plate has vertical through holes for each nitrogen spring, and the lower end of each nitrogen spring passes through the corresponding through hole.

[0015] An inner guide post is fixedly installed between the upper pad and the upper clamping plate, and the lower end of the inner guide post extends to the lower end side of the upper clamping plate.

[0016] The pressure plate has a vertical through-hole corresponding to the inner guide post, and the lower end of the inner guide post passes through the pressure plate guide hole of the pressure plate.

[0017] The lower template has a lower mold guide hole corresponding to the inner guide post; when the hardware flat plate side arc surface flattening mold structure is in the closed state, the lower end of the inner guide post is inserted into the lower mold guide hole of the lower template.

[0018] The upper mold assembly has an upper mold mounting hole that passes through the upper mold base, the upper pad, and the upper clamping plate from top to bottom. The upper mold mounting hole is fitted with a stop screw, a compression spring, and a T-shaped push rod arranged from top to bottom. The stop screw is threaded to the upper mold base, the upper end of the compression spring abuts against the stop screw, and the lower end of the compression spring abuts against the T-shaped push rod.

[0019] The pressure plate is screwed to the T-shaped top rod, which is provided with an anti-detachment shoulder. When the pressure plate moves down to the lower limit position relative to the upper clamping plate, the anti-detachment shoulder of the T-shaped top rod abuts against the upper surface of the upper clamping plate.

[0020] The upper mold base and the lower mold base are provided with a reset guide assembly. The reset elastic assembly includes an outer guide post that is fastened to the lower mold base and arranged vertically, and an outer guide sleeve that is fastened to the upper mold base. The upper end of the outer guide post extends into the central hole of the outer guide sleeve.

[0021] The outer guide post is surrounded by a steel ball sleeve and a return spring located at the lower end of the steel ball sleeve.

[0022] The lower mold base is equipped with vertically arranged limiting posts;

[0023] When the flattened side arc surface of the metal plate mold structure is closed in place, the pressure plate abuts against the upper end face of the limiting post.

[0024] Compared with existing technologies, this utility model has the following advantages: Specifically, during the closing process of the upper and lower mold components, the side arc surface of the metal flat product is first positioned and pressed between the contour positioning protrusion and the contour positioning groove. As the upper pad and upper clamping plate of the upper mold component continue to move downward, the flattening punch moves downward along the punch through hole of the pressure plate and flattens the side arc surface of the metal flat product. Therefore, the side arc surface flattening mold structure of this utility model can effectively realize the side arc surface flattening processing of the metal flat product and has the advantage of novel structural design. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0026] Figure 1 This is a schematic diagram of the structure of this utility model.

[0027] Figure 2 for Figure 1 A schematic diagram of its breakdown.

[0028] Figure 3 A cross-sectional view of this utility model.

[0029] Figure 4 for Figure 3 A magnified view of a portion of the image.

[0030] Figure 5 This is a cross-sectional view of another location of the present invention.

[0031] exist Figures 1 to 5 This includes:

[0032] 1-Upper mold assembly; 11-Upper mold base; 12-Upper backing plate; 121-Backing plate through hole; 13-Upper clamping plate; 131-Clamping plate clearance through hole; 14-Pressure plate; 141-Contouring positioning groove; 142-Punch through hole; 143-Pressure plate guide hole; 15-Nitrogen spring; 16-Flattening punch; 17-Inner guide post; 18-Upper mold mounting hole; 191-Stabilizing screw; 192-Compression spring; 193- T-shaped ejector pin; 1931-anti-detachment shoulder; 2-lower mold assembly; 21-lower mold base; 22-lower pad block; 23-lower template; 231-contour positioning protrusion; 232-lower mold guide hole; 24-product positioning block; 25-quick clamp; 26-limiting post; 3-reset guide assembly; 31-outer guide post; 32-outer guide sleeve; 33-steel ball sleeve; 34-reset spring; 4-hardware flat product; 41-side arc surface. Detailed Implementation

[0033] The present invention will now be described in conjunction with specific embodiments.

[0034] Example 1, as Figures 1 to 5 As shown, a flattening mold structure for the side arc surface of a metal flat plate includes an upper mold assembly 1 and a lower mold assembly 2 located at the lower end of the upper mold assembly 1. The upper mold assembly 1 includes an upper mold base 11, an upper pad 12, an upper clamping plate 13, a pressure plate 14, and several nitrogen springs 15. The upper mold base 11, the upper pad 12, and the upper clamping plate 13 are screwed together from top to bottom. The pressure plate 14 is located at the lower end of the upper clamping plate 13. The lower ends of each nitrogen spring 15 elastically abut against the upper surface of the pressure plate 14.

[0035] Among them, such as Figures 1 to 5 As shown, the lower mold assembly 2 includes a lower mold base 21, a lower pad block 22, and a lower template 23, which are screwed together from top to bottom.

[0036] Furthermore, such as Figures 1 to 5 As shown, the front edge of the upper surface of the lower template 23 is provided with a contour positioning protrusion 231 that matches the inner wall shape of the side arc surface 41 of the hardware flat product 4. The lower pad 22 is equipped with two product positioning blocks 24 arranged at left and right intervals and a quick clamp 25.

[0037] Furthermore, such as Figures 2 to 4As shown, the lower surface of the pressure plate 14 is provided with a contour positioning groove 141 that is vertically aligned with the contour positioning protrusion 231 of the lower template 23 and adapted to the shape of the outer wall of the side arc surface 41 of the hardware flat plate product 4. The pressure plate 14 is provided with a punch through hole 142 that is vertically penetrating and communicating with the contour positioning groove 141. A flattening punch 16 is fixedly installed between the upper pad plate 12 and the upper clamping plate 13. The lower end of the flattening punch 16 extends to the lower end side of the upper clamping plate 13 and extends into the punch through hole 142 of the upper clamping plate 13.

[0038] In the process of flattening the side arc surface 41 of the metal flat plate product 4 using the flattening mold structure of the metal flat plate in this embodiment, the quick clamp 25 is first opened and the metal flat plate product 4 is placed between two product positioning blocks 24. The left product positioning block 24 positions the left edge of the metal flat plate product 4, and the right product positioning block 24 positions the right edge of the metal flat plate product 4. The side arc surface 41 of the metal flat plate product 4 is positioned by the contour positioning protrusion 231 of the upper template. After the metal flat plate product 4 is positioned, the quick clamp 25 is closed and the metal flat plate product 4 is clamped and fixed by the quick clamp 25. After the metal flat plate product 4 is clamped and fixed, the upper mold assembly 1 moves down. During this process, the pressure plate 14 first contacts the metal flat plate product 4, and nitrogen gas is applied. The elastic force of the spring 15 causes the pressure plate 14 to elastically press the metal flat plate product 4, and the side arc surface 41 of the metal flat plate product 4 falls into the contour positioning groove 141 of the pressure plate 14. The pressure plate 14 positions the side arc surface 41 of the metal flat plate product 4 through the contour positioning groove 141, and the side arc surface 41 of the metal flat plate product 4 is accurately located between the contour positioning protrusion 231 and the contour positioning groove 141. As the upper mold assembly 1 continues to move down, the flattening punch 16 moves down synchronously with the upper pad 12 and the upper clamping plate 13. During this process, the flattening punch 16 moves down along the punch through hole 142 of the pressure plate 14 and punches and flattens the side arc surface 41 of the metal flat plate product 4. After the side arc surface 41 of the metal flat plate product 4 is punched and flattened, the upper mold assembly 1 moves up and resets.

[0039] In summary, through the above structural design, the flattening mold structure for the side arc surface of the metal flat plate in this embodiment can effectively realize the flattening process of the side arc surface 41 of the metal flat plate, and has the advantage of novel structural design.

[0040] Example 2, as Figure 2 , Figure 3 as well as Figure 5 As shown, the difference between this embodiment 2 and embodiment 1 is that: the upper pad 12 is provided with vertical through holes 121 for each nitrogen spring 15, each nitrogen spring 15 is embedded in the corresponding through hole 121, and each nitrogen spring 15 is respectively limited and locked between the upper mold base 11 and the upper clamping plate 13.

[0041] The upper clamping plate 13 has vertical through holes 131 for each nitrogen spring 15, and the lower end of each nitrogen spring 15 passes through the corresponding through hole 131.

[0042] Example 3, as Figure 2 , Figure 3 as well as Figure 5 As shown, the difference between this embodiment three and embodiment one is that an inner guide post 17 is fixedly installed between the upper pad 12 and the upper clamping plate 13, and the lower end of the inner guide post 17 extends to the lower end side of the upper clamping plate 13.

[0043] The pressure plate 14 has a vertically penetrating pressure plate guide hole 143 corresponding to the inner guide post 17, and the lower end of the inner guide post 17 passes through the pressure plate guide hole 143 of the pressure plate 14.

[0044] In addition, the lower template 23 has a lower mold guide hole 232 corresponding to the inner guide post 17; when the flattening mold structure of the metal flat plate side arc surface is in the closed state, the lower end of the inner guide post 17 is inserted into the lower mold guide hole 232 of the lower template 23.

[0045] During the process of the upper mold assembly 1 moving down and closing with the lower mold assembly 2, the function of the inner guide post 17 is to ensure that the pressure plate 14 and the lower template 23 are accurately closed during the closing process, so that the side arc surface 41 of the metal flat product 4 is accurately positioned by the contour positioning protrusion 231 and the contour positioning groove 141.

[0046] Example 4, as Figure 2 and Figure 3 As shown, the difference between this embodiment four and embodiment one is that: the upper mold assembly 1 has an upper mold mounting hole 18 that passes through the upper mold base 11, the upper pad 12 and the upper clamping plate 13 from top to bottom. The upper mold mounting hole 18 is fitted with a stop screw 191, a compression spring 192 and a T-shaped push rod 193 arranged from top to bottom. The stop screw 191 is threaded to the upper mold base 11. The upper end of the compression spring 192 abuts against the stop screw 191 and the lower end of the compression spring 192 abuts against the T-shaped push rod 193.

[0047] The pressure plate 14 is screwed to the T-shaped top rod 193, and the T-shaped top rod 193 is provided with an anti-detachment shoulder 1931. When the pressure plate 14 moves down to the lower limit position relative to the upper clamping plate 13, the anti-detachment shoulder 1931 of the T-shaped top rod 193 abuts against the upper surface of the upper clamping plate 13.

[0048] Since the pressure plate 14 is screwed to the T-shaped top rod 193, this structural design can achieve the anti-detachment and limiting of the pressure plate 14.

[0049] Example 5, such as Figure 3 and Figure 5 As shown, the difference between this fifth embodiment and the first embodiment is that a reset guide assembly 3 is installed between the upper mold base 11 and the lower mold base 21. The reset elastic assembly includes an outer guide post 31 that is fastened to the lower mold base 21 and arranged vertically, and an outer guide sleeve 32 that is fastened to the upper mold base 11. The upper end of the outer guide post 31 extends into the center hole of the outer guide sleeve 32.

[0050] The outer guide post 31 is surrounded by a steel ball sleeve 33 and a return spring 34 located at the lower end of the steel ball sleeve 33.

[0051] During the downward movement and closure of the upper mold assembly 1, the guide pair structure composed of the outer guide post 31 and the outer guide sleeve 32 in this embodiment can further improve the accuracy of the closing action.

[0052] During the process of the upper mold assembly 1 moving upward and resetting, the reset spring 34 elastically pushes against the upper mold base 11.

[0053] Example 6, as Figures 1 to 3 As shown, the difference between this sixth embodiment and the first embodiment is that the lower mold base 21 is equipped with a vertically arranged limiting post 26; when the side arc surface of the metal plate is flattened and the mold structure is closed in place, the pressure plate 14 abuts against the upper end face of the limiting post 26.

[0054] As for the limiting post 26 in this embodiment, it can effectively prevent the upper mold assembly 1 from moving down excessively, thus playing a protective role.

[0055] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A flattening mold structure for the side arc surface of a metal flat plate, comprising an upper mold assembly (1) and a lower mold assembly (2) located at the lower end of the upper mold assembly (1). The upper mold assembly (1) includes an upper mold base (11), an upper pad (12), an upper clamping plate (13), a pressure plate (14), and several nitrogen springs (15). The upper mold base (11), the upper pad (12), and the upper clamping plate (13) are screwed together from top to bottom. The pressure plate (14) is located at the lower end of the upper clamping plate (13). The lower mold assembly (2) includes a lower mold base (21), a lower pad (22), and a lower template (23), which are screwed together from top to bottom. Its features are: The front edge of the upper surface of the lower template (23) is provided with a contour positioning protrusion (231) that matches the inner wall shape of the side arc surface (41) of the hardware flat product (4). The lower pad (22) is equipped with two product positioning blocks (24) arranged on the left and right sides and a quick clamp (25). The lower surface of the pressure plate (14) is provided with a contour positioning groove (141) that is vertically aligned with the contour positioning protrusion (231) of the lower template (23) and adapted to the outer wall shape of the side arc surface (41) of the hardware flat product (4). The pressure plate (14) is provided with a punch through hole (142) that is vertically penetrating and connected to the contour positioning groove (141). A flattening punch (16) is fastened between the upper pad (12) and the upper clamping plate (13). The lower end of the flattening punch (16) extends to the lower end of the upper clamping plate (13), and the lower end of the flattening punch (16) extends into the punch through hole (142) of the upper clamping plate (13). The lower end of each nitrogen spring (15) is elastically abutted against the upper surface of the pressure plate (14).

2. The hardware flat plate side arc surface flattening mold structure according to claim 1, characterized in that: The upper pad (12) has vertical through holes (121) for each nitrogen spring (15). Each nitrogen spring (15) is embedded in the corresponding through hole (121) and each nitrogen spring (15) is limited and fastened between the upper mold base (11) and the upper clamping plate (13). The upper clamping plate (13) has vertical through holes (131) for each nitrogen spring (15), and the lower end of each nitrogen spring (15) passes through the corresponding clamping plate through hole (131).

3. The flattening mold structure for the side arc surface of a metal flat plate according to claim 1, characterized in that: An inner guide post (17) is fastened between the upper pad (12) and the upper clamping plate (13), and the lower end of the inner guide post (17) extends to the lower end side of the upper clamping plate (13). The pressure plate (14) has a vertically penetrating pressure plate guide hole (143) corresponding to the inner guide post (17), and the lower end of the inner guide post (17) passes through the pressure plate guide hole (143) of the pressure plate (14). The lower template (23) has a lower mold guide hole (232) corresponding to the inner guide post (17); when the hardware flat plate side arc surface flattening mold structure is in a closed state, the lower end of the inner guide post (17) is inserted into the lower mold guide hole (232) of the lower template (23).

4. The flattening mold structure for the side arc surface of a metal flat plate according to claim 1, characterized in that: The upper mold assembly (1) has an upper mold mounting hole (18) that passes through the upper mold base (11), the upper pad (12) and the upper clamping plate (13) from top to bottom. The upper mold mounting hole (18) is fitted with a stop screw (191), a compression spring (192) and a T-shaped push rod (193) arranged from top to bottom. The stop screw (191) is threaded to the upper mold base (11), the upper end of the compression spring (192) abuts against the stop screw (191), and the lower end of the compression spring (192) abuts against the T-shaped push rod (193). The pressure plate (14) is screwed to the T-shaped top rod (193), and the T-shaped top rod (193) is provided with an anti-detachment shoulder (1931); when the pressure plate (14) moves down to the lower limit position relative to the upper clamping plate (13), the anti-detachment shoulder (1931) of the T-shaped top rod (193) abuts against the upper surface of the upper clamping plate (13).

5. The flattening mold structure for the side arc surface of a metal flat plate according to claim 1, characterized in that: A reset guide assembly (3) is installed between the upper mold base (11) and the lower mold base (21). The reset elastic assembly includes an outer guide post (31) that is fastened to the lower mold base (21) and arranged vertically, and an outer guide sleeve (32) that is fastened to the upper mold base (11). The upper end of the outer guide post (31) extends into the center hole of the outer guide sleeve (32). The outer guide post (31) is surrounded by a steel ball sleeve (33) and a return spring (34) located at the lower end of the steel ball sleeve (33).

6. The flattening mold structure for the side arc surface of a metal flat plate according to claim 1, characterized in that: The lower mold base (21) is equipped with vertically arranged limiting posts (26). When the flattened mold structure of the metal plate is closed, the pressure plate (14) abuts against the upper end face of the limiting post (26).

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