U-shaped plate stamping machining die and machining method

Abstract

The invention provides a U-shaped plate stamping machining die and a machining method, and belongs to the technical field of stamping machining dies, the U-shaped plate stamping machining die comprises a lower die and an upper die, the lower die is composed of a fixed lower die plate, a movable lower die plate and a transverse die plate, and a displacement mechanism used for moving the movable lower die plate is installed at the bottom of the lower die; the upper die comprises a fixed upper die block and a plurality of assembly upper die blocks, and the fixed upper die block and the assembly upper die blocks are assembled in sequence. The lower mold and the upper mold are both divided into a plurality of assemblies, the distance between the fixed lower mold plate and the movable lower mold plate of the lower mold can be adjusted through the displacement mechanism, and meanwhile the thickness between the upper mold bodies can be conveniently adjusted through the assembly parts of the upper mold bodies; therefore, U-shaped plates with different widths are formed through machining and stamping of one stamping machining die, different requirements can be met by freely adjusting the male die and the female die, time and labor are saved, multiple dies are not needed, and cost is saved.

Description

Technical Field

[0001] The invention mainly relates to the technical field of stamping processing dies, and in particular to a U-shaped plate stamping processing die and a processing method. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material.

[0003] The existing U-shaped plate stamping dies do not have the function of freely adjusting the positions of the punch and the die, do not have the function of stamping out U-shaped plates of different widths, and do not have the function of stamping plates of different thicknesses. The existing U-shaped plate stamping dies often need to be replaced with different dies, which is not only time-consuming and labor-intensive, but also requires the use of many dies, resulting in high costs. Summary of the invention

[0004] The present invention mainly provides a U-shaped plate stamping processing die and a processing method to solve the technical problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] A U-shaped plate stamping die, comprising a lower die and an upper die, wherein the lower die is composed of a fixed lower die plate, a movable lower die plate and a transverse die plate, wherein the transverse die plate is installed at the bottom of the fixed lower die plate and the movable lower die plate and is fixedly connected to the fixed lower die plate, and a displacement mechanism for moving the movable lower die plate is installed at the bottom of the lower die;

[0007] The upper mold comprises a fixed upper module and a plurality of assembly upper modules, the fixed upper module and the plurality of assembly upper modules are assembled in sequence, and a hydraulic cylinder is installed on the top of the fixed upper module.

[0008] Optionally, in the present invention, a bearing frame is installed outside the lower mold and the upper mold, and the bearing frame includes a bottom plate installed at the bottom of the lower mold, a top plate installed at the top of the upper mold, and four support frames installed between the bottom plate and the top plate.

[0009] Optionally, in the present invention, positioning slots are provided at the four corners of the bottom plate.

[0010] Optionally, in the present invention, the displacement mechanism includes two fixed plates respectively installed at the two ends of the bottom of the horizontal template, a ball screw rotatably connected between the two fixed plates, a nut seat slidably connected to the ball screw, and a motor installed outside the fixed plate and connected to the ball screw; the top two sides of the nut seat are connected to the movable lower template.

[0011] Optionally, in the present invention, sliding blocks are installed on both sides of the bottom of the movable lower template, the bottom of the sliding block is connected to the nut seat, an arc strip is arranged on the inner side of the sliding block, and an arc groove adapted to the arc strip is arranged on the side of the horizontal template.

[0012] Optionally, in the present invention, placement grooves are provided on the inner sides of the tops of the fixed lower template and the movable lower template.

[0013] Optionally, in the present invention, a T-shaped bar is provided on one side of the assembly upper module, a T-shaped slide groove matched with the T-shaped bar is provided on the other side of the assembly upper module, and a T-shaped slide groove is also provided on one side of the fixed upper module.

[0014] Optionally, in the present invention, a mounting groove is provided on the top of the fixed upper module, a threaded shaft is installed on the bottom of the output rod of the hydraulic cylinder, and the threaded shaft and the mounting groove are connected by internal and external threads.

[0015] Optionally, in the present invention, a size scale bar is provided at the top center of the horizontal template.

[0016] The processing method used by any of the above-mentioned U-shaped plate stamping molds comprises the following steps:

[0017] Step 1: First, adjust the spacing between the lower mold components according to the required width of the U-shaped plate to be processed. First, start the motor to rotate the ball screw, so that the nut seat drives the movable lower mold plate to move, and then adjust the spacing between it and the fixed lower mold plate;

[0018] Step 2: Adjust the thickness between the upper molds according to the required width of the U-shaped plate to be processed, select a suitable number of upper assembly modules for assembly, insert the T-shaped strips of the upper assembly modules into the T-shaped slide grooves of the fixed upper modules to complete the assembly, and the subsequent upper assembly modules can be assembled in this way in sequence;

[0019] Step 3: Place the plate to be processed in the placement slot, then start the hydraulic cylinder to lower the assembled upper mold and punch the plate on the lower mold, so that the plate is punched into the fixed lower mold and the movable lower mold, and punched into a U-shaped plate. Finally, after the mold is reset, the U-shaped plate can be taken out.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention splits the lower mold and the upper mold into multiple components, and the spacing between the fixed lower mold plate and the movable lower mold plate of the lower mold can be adjusted by a displacement mechanism. At the same time, the thickness between the upper molds can be conveniently adjusted by the assembly parts of the upper mold, so that U-shaped plates of different widths can be formed by punching and forming through one stamping mold, and the male mold and the female mold can be freely adjusted to meet different needs, which not only saves time and labor, but also does not require multiple molds, thus saving costs.

[0022] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall structure (without the load-bearing frame) of the present invention;

[0025] Figure 3 It is a schematic diagram of the top structure of the bottom plate of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the lower mold and the moving mechanism area of ​​the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the movable lower template area of ​​the present invention;

[0028] Figure 6 It is a schematic diagram of the structural splitting of the upper mold and hydraulic cylinder area of ​​the present invention.

[0029] In the figure: 10, lower mold; 11, fixed lower template; 12, movable lower template; 13, horizontal template; 14, size scale bar; 15, slide block; 16, arc bar; 17, placement slot; 20, upper mold; 21, fixed upper module; 22, assembled upper module; 23, T-shaped bar block; 24, T-shaped slide slot; 25, installation slot; 30, displacement mechanism; 31, fixed plate; 32, motor; 33, ball screw; 34, nut seat; 40, hydraulic cylinder; 41, threaded shaft; 50, load-bearing frame; 51, bottom plate; 52, top plate; 53, support frame; 54, positioning slot hole. DETAILED DESCRIPTION

[0030] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0031] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] For examples, please refer to the attached Figure 1-6 A U-shaped plate stamping processing mold includes a lower mold 10 and an upper mold 20. The lower mold 10 is composed of a fixed lower mold plate 11, a movable lower mold plate 12 and a transverse mold plate 13. The transverse mold plate 13 is installed at the bottom of the fixed lower mold plate 11 and the movable lower mold plate 12 and is fixedly connected to the fixed lower mold plate 11. A displacement mechanism 30 for moving the movable lower mold plate 12 is installed at the bottom of the lower mold 10.

[0034] The upper mold 20 includes a fixed upper module 21 and a plurality of assembly upper modules 22 . The fixed upper module 21 and the plurality of assembly upper modules 22 are assembled in sequence. A hydraulic cylinder 40 is installed on the top of the fixed upper module 21 .

[0035] For details, please refer to the attached Figure 1 A supporting frame 50 is installed outside the lower mold 10 and the upper mold 20. The supporting frame 50 includes a bottom plate 51 installed at the bottom of the lower mold 10, a top plate 52 installed at the top of the upper mold 20, and four support frames 53 installed between the bottom plate 51 and the top plate 52.

[0036] It should be noted that, in the present embodiment, the lower mold 10 and the upper mold 20 can be combined together through the supporting frame 50, so as to facilitate the subsequent stamping operation.

[0037] For details, please refer to the attached Figure 2 Positioning slots 54 are provided at the four corners of the bottom plate 51 .

[0038] It should be noted that, in this embodiment, by installing positioning pins in the positioning slots 54, the supporting frame 50 can be fixed on the bottom surface or the table top, thereby increasing the stability of the device and preventing the device from vibrating during stamping.

[0039] For details, please refer to the attached Figure 4The displacement mechanism 30 includes two fixed plates 31 respectively installed at the two ends of the bottom of the horizontal template 13, a ball screw 33 rotatably connected between the two fixed plates 31, a nut seat 34 slidably connected to the ball screw 33, and a motor 32 installed outside the fixed plate 31 and connected to the ball screw 33; the top two sides of the nut seat 34 are connected to the movable lower template 12.

[0040] It should be noted that, in this embodiment, the electrical components of the device are all externally powered and electrically connected to a conventional PLC controller.

[0041] It should also be noted that the ball screw 33 can be rotated by operating the motor 32, so that the nut seat 34 drives the movable lower template 12 to move, so that the distance between the movable lower template 12 and the fixed lower template 11 can be adjusted, so that the device can punch U-shaped plates of different thicknesses.

[0042] For details, please refer to the attached Figure 4 Slide blocks 15 are installed on both sides of the bottom of the movable lower template 12. The bottom of the slide block 15 is connected to the nut seat 34. An arc strip 16 is arranged on the inner side of the slide block 15. The side of the horizontal template 13 is provided with an arc groove adapted to the arc strip 16.

[0043] It should be noted that, in this embodiment, when the movable lower template 12 slides on the transverse template 13, the slide block 15 will slide on the side of the transverse template 13, so that the lateral displacement of the movable lower template 12 is more stable, and the spacing adjustment between the movable lower template 12 and the fixed lower template 11 is more stable, thereby ensuring the quality of the stamped U-shaped plate.

[0044] For details, please refer to the attached Figure 5 A placement groove 17 is provided on the inner side of the top of the fixed lower template 11 and the movable lower template 12.

[0045] It should be noted that, in the present embodiment, the placement groove 17 can be used to place the plate, so that after the plate is stably placed, the plate can be released and subsequent stamping operations can be performed, thereby increasing convenience.

[0046] For details, please refer to the attached Figure 6 A T-shaped bar 23 is provided on one side of the upper module 22 , a T-shaped slot 24 matched with the T-shaped bar 23 is provided on the other side of the upper module 22 , and a T-shaped slot 24 is also provided on one side of the fixed upper module 21 .

[0047] It should be noted that in this embodiment, when it is necessary to assemble and fix the upper module 21 and the assembly module 22, it is only necessary to insert the corresponding T-shaped bar 23 into the T-shaped slide groove 24, and the same applies to disassembly. This makes it convenient to increase and decrease the thickness of the upper mold 20, which is convenient for processing plates of different thicknesses, so that the U-shaped plate after stamping meets the thickness requirements.

[0048] For details, please refer to the attached Figure 6 A mounting groove 25 is provided on the top of the fixed upper module 21, and a threaded shaft 41 is installed at the bottom of the output rod of the hydraulic cylinder 40. The threaded shaft 41 and the mounting groove 25 are connected by internal and external threads.

[0049] It should be noted that, in this embodiment, when the fixed upper module 21 needs to be replaced, the threaded shaft 41 and the mounting groove 25 can be rotated to separate them, thereby facilitating the replacement of accessories and replacing mold accessories according to the requirements of the panels to be processed.

[0050] For details, please refer to the attached Figure 3 A size scale bar 14 is provided at the top center of the horizontal template 13.

[0051] It should be noted that in this embodiment, when it is necessary to adjust the spacing between the movable lower template 12 and the fixed lower template 11, it is only necessary to observe the scale of the size scale bar 14 indicated by the bottom of the movable lower template 12 to quickly know the spacing between the movable lower template 12 and the fixed lower template 11, thereby increasing the stamping efficiency.

[0052] The processing method used by any of the above-mentioned U-shaped plate stamping molds comprises the following steps:

[0053] Step 1: First, adjust the spacing between the lower mold 10 components according to the required width of the U-shaped plate to be processed. First, start the motor 32 to rotate the ball screw 33, so that the nut seat 34 drives the movable lower template 12 to move, and then adjust the spacing between it and the fixed lower template 11.

[0054] Step 2: Adjust the thickness between the upper molds 20 according to the required width of the U-shaped plate to be processed, select an appropriate number of assembly upper modules 22 for assembly, insert the T-shaped bar 23 of the assembly upper module 22 into the T-shaped slide groove 24 of the fixed upper module 21 to complete the assembly, and the subsequent assembly upper modules 22 can be assembled in sequence according to this method.

[0055] Step 3: Place the plate to be processed in the placement groove 17, then start the hydraulic cylinder 40 to lower the assembled upper mold 20, and punch the plate on the lower mold 10, so that the plate is punched into the fixed lower mold 11 and the movable lower mold 12, and punched into a U-shaped plate. Finally, after the mold is reset, the U-shaped plate can be taken out.

[0056] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A U-shaped plate stamping die, comprising a lower die (10) and an upper die (20), characterized in that: The lower mold (10) is composed of a fixed lower mold plate (11), a movable lower mold plate (12) and a transverse mold plate (13); the transverse mold plate (13) is installed at the bottom of the fixed lower mold plate (11) and the movable lower mold plate (12) and is fixedly connected to the fixed lower mold plate (11); a displacement mechanism (30) for moving the movable lower mold plate (12) is installed at the bottom of the lower mold (10); The upper mold (20) comprises a fixed upper module (21) and a plurality of assembly upper modules (22), wherein the fixed upper module (21) and the plurality of assembly upper modules (22) are assembled in sequence, and a hydraulic cylinder (40) is installed on the top of the fixed upper module (21).

2. The U-shaped plate stamping die according to claim 1, characterized in that: A bearing frame (50) is installed outside the lower mold (10) and the upper mold (20), and the bearing frame (50) includes a bottom plate (51) installed at the bottom of the lower mold (10), a top plate (52) installed at the top of the upper mold (20), and four support frames (53) installed between the bottom plate (51) and the top plate (52).

3. The U-shaped plate stamping die according to claim 2, characterized in that: Positioning slots (54) are provided at the four corners of the bottom plate (51).

4. The U-shaped plate stamping die according to claim 1, characterized in that: The displacement mechanism (30) comprises two fixed plates (31) respectively mounted at two ends of the bottom of the horizontal template (13), a ball screw (33) rotatably connected between the two fixed plates (31), a nut seat (34) slidably connected to the ball screw (33), and a motor (32) mounted outside the fixed plates (31) and connected to the ball screw (33); the top two sides of the nut seat (34) are connected to the movable lower template (12).

5. The U-shaped plate stamping die according to claim 4, characterized in that: Slide blocks (15) are installed on both sides of the bottom of the movable lower template (12), the bottom of the slide block (15) is connected to the nut seat (34), the inner side of the slide block (15) is provided with an arc strip (16), and the side of the horizontal template (13) is provided with an arc groove adapted to the arc strip (16).

6. The U-shaped plate stamping die according to claim 1, characterized in that: A placement groove (17) is provided on the inner side of the top of the fixed lower template (11) and the movable lower template (12).

7. The U-shaped plate stamping die according to claim 1, characterized in that: A T-shaped bar (23) is arranged on one side of the assembly upper module (22), a T-shaped slide groove (24) matched with the T-shaped bar (23) is arranged on the other side of the assembly upper module (22), and a T-shaped slide groove (24) is also arranged on one side of the fixed upper module (21).

8. The U-shaped plate stamping die according to claim 1, characterized in that: The top of the fixed upper module (21) is provided with a mounting groove (25), and the bottom of the output rod of the hydraulic cylinder (40) is provided with a threaded shaft (41), and the threaded shaft (41) and the mounting groove (25) are connected by internal and external threads.

9. The U-shaped plate stamping die according to claim 1, characterized in that: A size scale bar (14) is arranged at the top center of the horizontal template (13).

10. A processing method used for any one of the U-shaped plate stamping processing dies according to claims 1 to 9, characterized in that: The following steps are involved: Step 1: First, the spacing between the lower mold (10) components is adjusted according to the required width of the U-shaped plate to be processed. First, the motor (32) is started to rotate the ball screw (33), so that the nut seat (34) drives the movable lower mold plate (12) to move, and then the spacing between it and the fixed lower mold plate (11) is adjusted; Step 2: Adjust the thickness between the upper molds (20) according to the required width of the U-shaped plate to be processed, select a suitable number of upper assembly modules (22) for assembly, insert the T-shaped strips (23) of the upper assembly modules into the T-shaped slide grooves (24) of the fixed upper modules (21) to complete the assembly, and the subsequent upper assembly modules (22) can be assembled in sequence according to this method; Step 3: Place the plate to be processed in the placement groove (17), then start the hydraulic cylinder (40) to lower the assembled upper mold (20) and punch the plate on the lower mold (10), so that the plate is punched into the fixed lower mold (11) and the movable lower mold (12) to form a U-shaped plate. Finally, after the mold is reset, the U-shaped plate can be taken out.

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