A stamping die for convex bulge of display back panel

Abstract

The present invention discloses a stamping die for a convex bump on a display back plate, comprising a stamping mechanism, wherein a feeding mechanism and a discharging mechanism are respectively arranged on both sides of the stamping mechanism; the stamping mechanism comprises a base and a top plate, wherein the base and the top plate are supported by a guide slide bar, an upper die is slidably mounted on the guide slide bar between the base and the top plate, a downward pressure cylinder for driving the upper die to move up and down is installed on the top of the top plate, and a lower die cooperating with the upper die is installed on the top of the base; the upper die comprises a punch seat, an upper punch and a lower punch, an upper punch is slidably mounted on the lower part of the punch seat, a spring is arranged between the punch seat and the upper punch, a lower punch is slidably mounted on the lower part of the upper punch, and a spring is arranged between the upper punch and the lower punch. The present invention realizes stamping in stages by dividing the punch into a punch seat, an upper punch and a lower punch, and by setting two springs, thereby greatly improving the stamping yield of the convex bump on the back plate.

Description

Technical Field

[0001] The invention relates to the technical field of display back panel stamping, in particular to a stamping die for a convex bump on a display back panel. Background Art

[0002] Stamping dies are special process equipment used to process materials into parts during cold stamping. They are called cold stamping dies. In the production of monitors, stamping technology is required to produce the convex bulge of the monitor back panel.

[0003] The existing publication number CN102581127B discloses a stamping die and stamping method suitable for the convex bulge structure of the back panel of an LED display, wherein the stamping die includes: a first die group, a second die group, and a third die group; the first die group includes: a first stripping plate, a first punch, and a first lower die block formed with a first forming groove that is concave downward; the second die group includes: a second stripping plate, a second punch, and a second lower die block formed with a second forming groove that is concave downward; the third die group includes: a third stripping plate, a third punch, a third lower die block formed with a forming through hole, and an inner top pad arranged in the forming through hole; the method of the present invention is to use the first die group, the second die group, and the third die group in sequence for stamping, thereby improving the convex bulge processing technology, effectively solving the problem of root breakage during the processing of convex bulges with a high height, and improving the processing quality and yield.

[0004] Although the stamping die of the existing technology has improved the processing quality and yield to a certain extent, its yield still needs to be further improved. In addition, workers need to manually pick up and place materials, which is inefficient and can easily cause harm to workers due to mistakes. In order to solve the above technical problems, we propose a stamping die for display back panel convexity. Summary of the invention

[0005] The purpose of the present invention is to provide a stamping die for display back panel convex bulges to solve the problems in the prior art that the yield still needs to be further improved, and workers need to manually take and place materials, which is inefficient and can easily cause injuries to workers due to mistakes.

[0006] To achieve the above object, the present invention provides the following technical solution: a stamping die for a convex bulge on a display back plate, comprising a stamping mechanism, wherein a feeding mechanism and a unloading mechanism are respectively provided on both sides of the stamping mechanism;

[0007] The stamping mechanism comprises a base and a top plate, the base and the top plate are supported by a guide slide bar, an upper die is slidably mounted on the guide slide bar between the base and the top plate, a downward pressure cylinder for driving the upper die to move up and down is mounted on the top of the top plate, and a lower die matching with the upper die is mounted on the top of the base;

[0008] The upper die includes a punch seat, an upper punch and a lower punch; the upper punch is slidably mounted on the lower part of the punch seat, a spring is arranged between the punch seat and the upper punch, the lower punch is slidably mounted on the lower part of the upper punch, a spring is arranged between the upper punch and the lower punch; the lower edge of the upper punch is a first arc structure, and the lower part of the lower punch is arranged with a second arc structure matching the first arc structure.

[0009] Preferably, the punch seat is equipped with a slip ring that cooperates with the upper punch.

[0010] Preferably, a buffer assembly is installed between the upper mold and the base.

[0011] Preferably, the loading mechanism includes a first loading seat, a first material picking and placing assembly and a second loading seat, a second loading seat is arranged on one side of the first loading seat, a material blocking assembly is installed on the top of the first loading seat away from the side of the second loading seat, and a second loading seat is installed on the top of the first loading seat close to the side of the second loading seat.

[0012] Preferably, the material unloading mechanism includes a first material unloading seat, a second material picking and placing assembly and a second material unloading seat, a second material unloading seat is arranged on one side of the first material unloading seat, and a second material picking and placing assembly is installed on the top of the first material unloading seat and located on one side of the second material unloading seat.

[0013] Preferably, the first material picking and placing assembly and the second material picking and placing assembly have the same structure, and both of them comprise a bracket, a frame is slidably mounted on one side of the bracket, a servo motor is mounted on the top of the frame, the servo motor drives a screw rod, and a nut matching the screw rod is mounted on the bracket; a linear module is mounted on the bottom end of the frame, the linear module drives the suction cup mounting seat to reciprocate, and suction cup assemblies are adjustably mounted on both ends of the suction cup mounting seat.

[0014] Preferably, the second loading seat and the second unloading seat have the same structure, and both the second loading seat and the second unloading seat include a base and a supporting plate, the base and the supporting plate are connected by a guide assembly, and the base is equipped with a lifting cylinder for driving the supporting plate to rise and fall.

[0015] Preferably, the material blocking assembly comprises two mounting seats, a material blocking plate is mounted between the two mounting seats, and a material blocking cylinder for driving the material blocking plate to rise and fall is mounted on the mounting seat. A stamping die for the convex bulge on the back panel of a display.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. A second arc structure 2431 cooperating with the first arc structure 2421 is arranged at the lower part of the lower punch 243. When the top of the lower punch 243 abuts against the upper punch 242, the first arc structure 2421 and the second arc structure 2431 form a smooth arc surface. By dividing the punch into a punch seat 241, an upper punch 242 and a lower punch 243, and setting two springs, stamping in stages can be achieved, thereby greatly improving the stamping yield of the back plate convex bump.

[0018] 2. A loading mechanism 1 and a unloading mechanism 3 are respectively arranged on both sides of the stamping mechanism 2; the material can be placed on the stamping mechanism through the loading mechanism 1, and the unloading mechanism 3 can take the stamped material out of the stamping mechanism 2.

[0019] 3. The lead screw 133 is driven to rotate by the servo motor 135, thereby cooperating with the nut 132 of the bracket to realize the lifting and lowering of the frame 134, and then realize the lifting and lowering of the linear module, the suction cup mounting seat and the suction cup assembly; when the suction cup assembly absorbs the material, the suction cup mounting seat 137 is driven to move by the linear module 136, thereby realizing the lateral movement of the suction cup assembly 138, and realizing the transportation of the material, without the need for workers to manually put in or take out the material; the present application is more efficient and solves the harm to workers caused by accidents of the machine.

[0020] 4. The second loading seat 14 and the second unloading seat 32 both include a base 141, a lifting cylinder 144 and a supporting plate 143. The lifting cylinder 144 can drive the supporting plate 143 to rise and fall, ensuring that the height of the supporting plate 143 is the same as the height of the mechanism corresponding to the previous and next processes, ensuring that when taking and placing materials, the taking and placing components can take and place materials at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the feeding mechanism of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the blanking mechanism of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the material taking and placing assembly of the present invention;

[0026] Figure 5 It is a schematic structural diagram of the punch of the present invention;

[0027] Figure 6 The present invention Figure 5 sectional view of .

[0028] In the figure: 1, feeding mechanism; 2, punching mechanism; 3, unloading mechanism; 11, blocking assembly; 12, first feeding seat; 13, first material taking and releasing assembly; 14, second feeding seat; 21, base; 22, buffer assembly; 23, lower die; 24, upper die; 25, guide slide; 26, top plate; 27, pressing cylinder; 31, first unloading seat; 32, second unloading seat; 33, second material taking and releasing assembly; 111, mounting seat; 112, blocking cylinder; 113, Baffle plate; 131, bracket; 132, nut; 133, screw rod; 134, frame; 135, servo motor; 136, linear module; 137, suction cup mounting seat; 138, suction cup assembly; 141, base; 142, guide assembly; 143, support plate; 144, lifting cylinder; 241, punch seat; 242, upper punch; 243, lower punch; 244, slip ring; 2421, first arc structure; 2431, second arc structure. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention.

[0030] See also Figure 1 In an embodiment of the present invention, a stamping die for a convex bulge on a display back panel includes a stamping mechanism 2, and a feeding mechanism 1 and a unloading mechanism 3 are respectively provided on both sides of the stamping mechanism 2; the material can be placed on the stamping mechanism through the feeding mechanism 1, and the unloading mechanism 3 can take the stamped material out of the stamping mechanism 2;

[0031] like Figure 1 The stamping mechanism 2 includes a base 21 and a top plate 26, the base 21 and the top plate 26 are supported by a guide slide bar 25, an upper die 24 is slidably mounted on the guide slide bar 25 between the base 21 and the top plate 26, a downward pressure cylinder 27 for driving the upper die 24 to move up and down is mounted on the top of the top plate 26, a lower die 23 cooperating with the upper die 24 is mounted on the top of the base 21, and a buffer assembly 22 is installed between the upper die 24 and the base 21;

[0032] like Figure 1 , 5 , 6; the upper die 24 includes a punch seat 241, an upper punch 242 and a lower punch 243, the upper punch 242 is slidably mounted at the lower part of the punch seat 241, the punch seat 241 is equipped with a slip ring 244 that cooperates with the upper punch 242, a spring is arranged between the punch seat 241 and the upper punch 242, the lower part of the upper punch 242 is slidably mounted with a lower punch 243, and a spring is arranged between the upper punch 242 and the lower punch 243; the lower edge of the upper punch 242 The first arc structure 2421 is a first arc structure 2421, and the lower part of the lower punch 243 is provided with a second arc structure 2431 which cooperates with the first arc structure 2421. When the top of the lower punch 243 is against the upper punch 242, the first arc structure 2421 and the second arc structure 2431 form a smooth arc surface. By dividing the punch into a punch seat 241, an upper punch 242 and a lower punch 243, and setting two springs, stamping in stages can be achieved, thereby greatly improving the stamping yield of the back plate bulge.

[0033] like Figure 1 and 2 ; The feeding mechanism 1 includes a first feeding seat 12, a first material picking and placing component 13 and a second feeding seat 14, the second feeding seat 14 is arranged on one side of the first feeding seat 12, a blocking component 11 is installed on the top of the first feeding seat 12 away from the second feeding seat 14, and a second feeding seat 14 is installed on the top of the first feeding seat 12 close to the second feeding seat 14. The blocking component 11 is used to block the materials transported by the conveyor line at intervals to ensure that there is a material on the first feeding seat 12; the top height of the second feeding seat 14 is consistent with the top height of the first feeding seat 12 to ensure that the first material picking and placing component 13 can pick up and place materials at the same time when taking and placing materials.

[0034] like Figure 1 and 3 ; The unloading mechanism 3 includes a first unloading seat 31, a second material picking and placing component 33 and a second unloading seat 32. The second unloading seat 32 is arranged on one side of the first unloading seat 31, and the second material picking and placing component 33 is installed on the top of the first unloading seat 31 and one side of the second unloading seat 32; the top heights of the first unloading seat 31 and the second unloading seat 32 are kept consistent to ensure that the second material picking and placing component 33 can pick up and place materials at the same time when taking and placing materials.

[0035] like Figure 1 The material blocking assembly 11 includes two mounting seats 111, a material blocking plate 113 is installed between the two mounting seats 111, and a material blocking cylinder 112 for driving the material blocking plate 113 to rise and fall is installed on the mounting seat 111. The material blocking cylinder 112 drives the material blocking plate 113 to rise and fall, so as to control the external material conveying.

[0036] like Figure 1 , 2 , 3, 4; the first material picking and placing assembly 13 and the second material picking and placing assembly 33 have the same structure, and the first material picking and placing assembly 13 and the second material picking and placing assembly 33 both include a bracket 131, a frame 134 is slidably mounted on one side of the bracket 131, a servo motor 135 is mounted on the top of the frame 134, the servo motor 135 drives a screw rod 133, and the bracket 131 is installed with a nut 132 that cooperates with the screw rod 133; a linear module 136 is mounted on the bottom end of the frame 134, and the linear module 136 drives the suction cup mounting seat 137 to reciprocate, the Suction cup assemblies 138 are adjustable at both ends of the suction cup mounting seat 137, and the lead screw 133 is driven to rotate by the servo motor 135, thereby cooperating with the nut 132 of the bracket to realize the lifting and lowering of the frame 134, and then realize the lifting and lowering of the linear module, the suction cup mounting seat and the suction cup assembly; when the suction cup assembly absorbs the material, the suction cup mounting seat 137 is driven to move by the linear module 136, thereby realizing the lateral movement of the suction cup assembly 138, and realizing the transportation of the material, without the need for workers to manually place and take materials; the present application is more efficient and solves the problem of injuries to workers caused by accidents of machines.

[0037] like Figure 1 and 2 The second loading seat 14 and the second unloading seat 32 have the same structure. Both the second loading seat 14 and the second unloading seat 32 include a base 141 and a supporting plate 143. The base 141 and the supporting plate 143 are connected by a guide assembly 142. The base 141 is equipped with a lifting cylinder 144 for driving the supporting plate 143 to rise and fall. The lifting cylinder 144 can drive the supporting plate 143 to rise and fall, ensuring that the height of the supporting plate 143 is the same as the height of the mechanism corresponding to the previous and next processes, ensuring that when taking and placing materials, the taking and placing components can take and place materials at the same time.

[0038] The working principle of the present invention is as follows: the material can be placed on the stamping mechanism through the feeding mechanism 1, and the upper die 24 is driven to press down through the pressing cylinder 27. The lower part of the lower punch 243 is provided with a second arc structure 2431 that cooperates with the first arc structure 2421. When the top of the lower punch 243 is against the upper punch 242, the first arc structure 2421 and the second arc structure 2431 form a smooth arc surface; by dividing the punch into a punch seat 241, an upper punch 242 and a lower punch 243, and setting two springs, stamping in stages can be achieved. After the stamping is completed, the unloading mechanism 3 can take the stamped material out of the stamping mechanism 2; by the servo motor 13 The screw rod 133 is driven to rotate, thereby cooperating with the nut 132 of the bracket to realize the lifting and lowering of the frame 134, and then the lifting and lowering of the linear module, the suction cup mounting seat and the suction cup assembly; when the suction cup assembly absorbs the material, the suction cup mounting seat 137 is driven to move through the linear module 136, thereby realizing the lateral movement of the suction cup assembly 138 and realizing the transportation of the material; the second loading seat 14 and the second unloading seat 32 both include a base 141, a lifting cylinder 144 and a supporting plate 143, and the lifting cylinder 144 can drive the supporting plate 143 to lift and lower, ensuring that the height of the supporting plate 143 is the same as the height of the mechanism corresponding to the front and rear processes, ensuring that when taking and placing materials, the taking and placing components can take and place materials at the same time.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A punching device for a convex bump on a display back panel, comprising a punching mechanism (2), characterized in that: A loading mechanism (1) and a unloading mechanism (3) are respectively provided on both sides of the punching mechanism (2); The punching mechanism (2) comprises a base (21) and a top plate (26), wherein the base (21) and the top plate (26) are supported by a guide slide bar (25), an upper die (24) is slidably mounted on the guide slide bar (25) between the base (21) and the top plate (26), a downward pressure cylinder (27) for driving the upper die (24) to move up and down is mounted on the top of the top plate (26), and a lower die (23) cooperating with the upper die (24) is mounted on the top of the base (21); The upper die (24) comprises a punch seat (241), an upper punch (242) and a lower punch (243); the upper punch (242) is slidably mounted on the lower portion of the punch seat (241); a spring is arranged between the punch seat (241) and the upper punch (242); the lower punch (243) is slidably mounted on the lower portion of the upper punch (242); a spring is arranged between the upper punch (242) and the lower punch (243); the lower edge of the upper punch (242) is a first arc-shaped structure (2421); the lower portion of the lower punch (243) is arranged with a second arc-shaped structure (2431) that matches the first arc-shaped structure (2421); The punch seat (241) is provided with a slip ring (244) that cooperates with the upper punch (242); a buffer assembly (22) is provided between the upper die (24) and the base (21); The feeding mechanism (1) comprises a first feeding seat (12), a first material taking and placing assembly (13) and a second feeding seat (14); the second feeding seat (14) is arranged on one side of the first feeding seat (12); a material blocking assembly (11) is installed on the top of the first feeding seat (12) away from the second feeding seat (14); and the first material taking and placing assembly (13) is installed on the top of the first feeding seat (12) close to the second feeding seat (14); The material unloading mechanism (3) comprises a first material unloading seat (31), a second material picking and placing assembly (33) and a second material unloading seat (32); the second material unloading seat (32) is arranged on one side of the first material unloading seat (31); the second material picking and placing assembly (33) is installed on the top of the first material unloading seat (31) and located on one side of the second material unloading seat (32); The first material picking and placing assembly (13) and the second material picking and placing assembly (33) have the same structure. Both the first material picking and placing assembly (13) and the second material picking and placing assembly (33) comprise a bracket (131). A frame (134) is slidably mounted on one side of the bracket (131). A servo motor (135) is mounted on the top of the frame (134). The servo motor (135) drives a lead screw (133). A nut (132) matching the lead screw (133) is mounted on the bracket (131). A linear module (136) is mounted on the bottom end of the frame (134). The linear module (136) drives a suction cup mounting seat (137) to move back and forth. Suction cup assemblies (138) are adjustable at both ends of the suction cup mounting seat (137).

2. A punching device for a convex bump on a display back panel according to claim 1, characterized in that: The second loading seat (14) and the second unloading seat (32) have the same structure. The second loading seat (14) and the second unloading seat (32) both comprise a base (141) and a supporting plate (143). The base (141) and the supporting plate (143) are connected via a guide assembly (142). The base (141) is provided with a lifting cylinder (144) for driving the supporting plate (143) to move up and down.

3. A punching device for a convex bump on a display back panel according to any one of claims 1 to 2, characterized in that: The material blocking assembly (11) comprises two mounting seats (111), a material blocking plate (113) is mounted between the two mounting seats (111), and a material blocking cylinder (112) is mounted on the mounting seat (111) for driving the material blocking plate (113) to move up and down.

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