Automatic stamping production device for metal back plate

Abstract

The invention discloses a metal backboard automatic stamping production device which comprises a stamping mechanism used for installing a stamping die to stamp a metal backboard; the blanking mechanism is used for mounting a blanking die and blanking the periphery of the metal back plate when the die is not opened after the stamping mechanism stamps; and the polishing mechanism is arranged on the blanking mechanism and is used for polishing and deburring the blanked edges of the periphery of the metal back plate after blanking and in the resetting process along with the blanking mechanism. During use, the stamping mechanism firstly stamps the metal back plate to form a required shape structure, when the stamping mechanism also presses the metal back plate, the blanking mechanism blanks the periphery of the metal back plate to form a required size, and then the polishing mechanism polishes and removes burrs on the blanked edge after the blanking mechanism performs blanking and in the resetting process. The punching and blanking of the metal back plate and the polishing of the blanking edge can be completed on the same equipment, and the processing and production efficiency is higher.

Description

Technical Field

[0001] The present invention relates to the field of stamping devices, and more specifically, to an automatic stamping production device for metal backplates. Background Art

[0002] Equipment such as televisions and living room ceiling lights all require metal backplates with relatively large areas. Such metal backplates are often of an integral structure, generally formed by stamping a whole metal plate into the required shape structure, cutting it into a suitable size, and performing some necessary edge grinding. However, when the existing metal backplates are produced and processed, the above process steps are often processed separately by different equipment. In this way, the metal plates need to be stacked and transferred between different workstations, and the processing efficiency is relatively low. Summary of the Invention

[0003] In view of the above deficiencies of the prior art, the present invention provides an automatic stamping production device capable of stamping, blanking, and grinding the blanked edges of a metal backplate.

[0004] The above technical object of the present invention is achieved through the following technical solutions:

[0005] An automatic stamping production device for metal backplates, comprising:

[0006] A stamping mechanism for installing a stamping die to stamp the metal backplate;

[0007] A blanking mechanism for installing a blanking die and blanking the four sides of the metal backplate when the stamping mechanism has not opened the die after stamping;

[0008] A grinding mechanism is provided on the blanking mechanism and follows the blanking mechanism during the blanking and resetting processes to grind and deburr the blanked edges of the four sides of the metal backplate.

[0009] Further, it further includes a frame, the frame includes a workbench, a second mounting table and a first mounting table sequentially arranged upward from above the workbench. The stamping mechanism is arranged on the first mounting table and its stamping part is located below the second mounting table. The blanking mechanism is arranged on the second mounting table and its blanking part is located below the second mounting table. The grinding mechanism is arranged on the blanking part of the blanking mechanism.

[0010] Further, the frame further includes a plurality of guide columns, the upper and lower ends of the guide columns are respectively fixedly connected to the first mounting table and the workbench, and are used to support and fix the first mounting table.

[0011] Further, the stamping mechanism includes a push plate, a first loading plate, a plurality of connecting columns, and a first pushing member. The push plate is connected to the guide post in a matching manner and can move up and down along the guide post. The first loading plate is used for installing a stamping die and is located below the second installation table. The upper and lower ends of the connecting rod are respectively fixedly connected to the push plate and the first loading plate, so that the first loading plate can move synchronously with the push plate. The first pushing member is arranged on the first installation table and is used to push the push plate to move reciprocally.

[0012] Further, the blanking mechanism includes a second loading plate and a second pushing member. The second loading plate is used for installing a blanking die and is located below the second installation table. The second loading plate is connected to the guide post in a matching manner and can move up and down along the guide post. The second pushing member is arranged on the second installation table and is used to push the second loading plate to move reciprocally.

[0013] Further, a concave cavity is provided at the bottom of the second loading plate. The connecting column passes through the top of the second loading plate. The first loading plate can move into the concave cavity. The bottom surface of the concave cavity surrounded by the second loading plate is used for installing a blanking die. The grinding mechanism is arranged around the inner circumference of the concave cavity.

[0014] Further, the grinding mechanism includes a grinding component and a pushing component. The grinding component is arranged around the inner circumference of the concave cavity. The grinding component can move away from and close to the center of the concave cavity to expand and contract. And when the grinding component contracts to the smallest, its grinding part is adapted to the part of the metal backplane to be blanked. The pushing component is arranged on the second loading plate and the guide post and is used to push the grinding component to contract to the smallest after the blanking mechanism blanks the metal backplane.

[0015] Further, the grinding component includes a plurality of grinding strips that can be abutted end to end to form a circular shape and a plurality of elastic members. Each grinding strip is provided with a guide rod. A plurality of through holes are provided on the side wall of the concave cavity surrounded by the second loading plate. Each guide rod is connected to the corresponding through hole in a matching manner, so that the grinding strip can move away from and close to the center of the concave cavity. The plurality of elastic members are respectively arranged on the plurality of guide rods and are used to keep the corresponding grinding strip away from the center of the concave cavity. The pushing component acts on each grinding strip when pushing.

[0016] Further, the number of the grinding strips is the same as the number of the guide posts. The low-connection parts of every two grinding strips are respectively facing a guide post. The pushing component includes push blocks and a pushing structure that are the same in number as the guide posts. The push blocks are respectively arranged on the second loading plate corresponding to the guide posts. And each push block can move back and forth in the direction between the corresponding guide post and the center of the concave cavity. One end of each push block abuts against the corresponding guide post and the other end abuts against the two grinding strips facing the guide post. The pushing structures are respectively arranged on the guide posts. After the blanking action of the second loading plate, the pushing structures synchronously push the corresponding push blocks to make the grinding strips move towards the center of the concave cavity.

[0017] Furthermore, the pushing structure includes a concave surface and a transition surface. The concave surface is disposed on the side of the guide post facing the center of the concave cavity, and the transition surface is disposed between the concave surface and the outer cylindrical surface of the guide post. When the push block moves from the concave surface on the guide post to its outer cylindrical surface along with the second loading plate, each of the transition surfaces pushes the corresponding push block, causing the grinding strips to move synchronously towards the center of the concave cavity.

[0018] In summary, the beneficial effects of the present invention are as follows: When the present invention is in use, the stamping mechanism first stamps the metal backplane to form the required shape structure. While the stamping mechanism is still pressing the metal backplane, the blanking mechanism punches the periphery of the metal backplane to form the required size. Then, during the blanking and resetting processes of the blanking mechanism, the grinding mechanism grinds the punched edges to remove burrs. It is realized that the operations of stamping, blanking, and grinding the blanked edges of the metal backplane can be completed on the same device, and the processing and production efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic cross-sectional structure diagram of the present invention;

[0020] Figure 2 is Figure 1 an enlarged schematic view of part A of

[0021] Figure 3 is a schematic exploded view of part of the structure of the present invention;

[0022] Figure 4 is Figure 3 an enlarged schematic view of part B of

[0023] Each label in the drawings is as follows:

[0024] Frame 1; Workbench 11; Second mounting table 12; First mounting table 13; Guide post 14; Stamping mechanism 2; Push plate 21; First loading plate 22; Connecting column 23; First pushing member 24; Blanking mechanism 3; Second loading plate 31; Concave cavity 311; Second pushing member 32; Baffle 33; Grinding mechanism 4; Grinding strip 41; Guide rod 411; Elastic member 42; Nut 43; Push block 44; Concave surface 45; Transition surface 46. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the technical problems, technical solutions, and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly or indirectly connected to that other component.

[0027] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0029] As Figures 1 to 4 shown, an automatic stamping production device for a metal backplane includes a stamping mechanism 2, a blanking mechanism 3, and a grinding mechanism 4. The stamping mechanism 2 is used to install a stamping die to stamp the metal backplane; the blanking mechanism 3 is used to install a blanking die and blank the four sides of the metal backplane when the stamping mechanism 2 has not opened the die after stamping; the grinding mechanism 4 is disposed on the blanking mechanism 3 and follows the blanking mechanism 3 during the blanking and resetting processes to grind and deburr the edges of the four sides of the metal backplane that have been blanked.

[0030] The stamping production device further includes a frame 1. The frame 1 includes a workbench 11, a second mounting table 12 and a first mounting table 13 sequentially arranged upward from above the workbench 11. The stamping mechanism 2 is disposed on the first mounting table 13 and its stamping part is located below the second mounting table 12. The blanking mechanism 3 is disposed on the second mounting table 12 and its blanking part is located below the second mounting table 12. The grinding mechanism 4 is disposed on the blanking part of the blanking mechanism 3. The workbench 11 is used to install the female die of the corresponding stamping and blanking dies and is used to place the metal backplane during use.

[0031] In an embodiment, as Figure 1As shown, the frame 1 further includes four guide columns 14. The upper and lower ends of the guide columns 14 are respectively fixedly connected to the first mounting table 13 and the workbench 11, and are used to support and fix the first mounting table 13. Generally, three or four guide columns 14 are used, preferably four, which can better play a supporting role and can also guide more evenly.

[0032] In one embodiment, as Figures 1 to 3 shown, the stamping mechanism 2 includes a push plate 21, a first loading plate 22, four connecting columns 23, and a first pushing member 24. The push plate 21 is cooperatively connected with the guide columns 14 and can move up and down along the guide columns 14. The first loading plate 22 is used to mount the stamping die and is located below the second mounting table 12. The upper and lower ends of the connecting rod are respectively fixedly connected to the push plate 21 and the first loading plate 22, so that the first loading plate 22 can move synchronously with the push plate 21. The first pushing member 24 is arranged on the first mounting table 13 and is used to push the push plate 21 to move reciprocally. By setting the connecting rod, the first loading plate 22 and the push plate 21 form an integral body, enabling the two to act synchronously. Generally, three or four connecting rods are used, preferably four. If the sizes of the push plate 21 and the first loading plate 22 are large, more can also be set to ensure the stiffness of the connection.

[0033] In one embodiment, as Figures 1 to 4 shown, the blanking mechanism 3 includes a second loading plate 31 and a second pushing member 32. The second loading plate 31 is used to mount the blanking die and is located below the second mounting table 12. The second loading plate 31 is cooperatively connected with the guide columns 14 and can move up and down along the guide columns 14. The second pushing member 32 is arranged on the second mounting table 12 and is used to push the second loading plate 31 to move reciprocally. Preferably, a concave cavity 311 is provided at the bottom of the second loading plate 31. The connecting column 23 passes through the top of the second loading plate 31, and the first loading plate 22 can move into the concave cavity 311. The bottom surface of the second loading plate 31 surrounding the concave cavity 311 is used to mount the blanking die, and the grinding mechanism 4 is arranged around the inside of the concave cavity 311. Setting the concave cavity 311 can accommodate the first loading plate 22 and the stamping die thereon. When stamping and the stamping die is still open, the second loading plate 31 can continue to move downward, driving the blanking die and the grinding mechanism 4 thereon to perform blanking and grinding respectively.

[0034] The first pushing member 24 and the second pushing member 32 can adopt common power sources, such as a mechanism in which a motor drives a flywheel and converts the rotational motion into a linear reciprocating motion of a slider through a crank - connecting rod mechanism, or a hydraulic power source, or a pneumatic power source.

[0035] In one embodiment, as Figure 3 and Figure 4As shown in the figure, the grinding mechanism 4 includes a grinding component and a pushing component. The grinding component is arranged around the inner periphery of the concave cavity 311. The grinding component can move away from and close to the center of the concave cavity 311 to expand and contract. When the grinding component is contracted to the smallest size, the grinding part thereof is adapted to the part of the metal backplane that is blanked. The pushing component is arranged on the second loading plate 31 and the guide post 14, and is used to push the grinding component to contract to the smallest size after the blanking mechanism 3 blanks the metal backplane. When the grinding component expands, it can avoid damaging the side surfaces of the first loading plate 22 and the stamping die thereon due to friction.

[0036] In practice, the metal backplane is often rectangular. Therefore, the grinding component is composed of four grinding strips 41, which are respectively used to grind the four edges of the rectangular metal backplane. These four grinding strips 41 can be butted end to end to form a circular shape. Each grinding strip 41 is provided with a guide rod 411. The second loading plate 31 is provided with a plurality of through holes on the side wall surrounding the concave cavity 311. Each guide rod 411 is cooperatively connected to the corresponding through hole. Through the limitation of the guide rod 411, the grinding strip 41 can move away from and close to the center of the concave cavity 311. A nut 43 is threadedly connected to the part of the guide rod 411 extending out of the second loading plate 31, and an elastic member 42, that is, a spring, is sleeved thereon. One end of the elastic member 42 abuts against the outside of the second loading plate 31, and the other end abuts against the nut 43, so that the corresponding grinding strip 41 is kept away from the center of the concave cavity 311. If the metal backplane is circular, the grinding strips 41 can be two semi-circular ones, or three or four arc-shaped ones, which can be specifically set according to the shape of the metal backplane and actual needs. In this structure, when the pushing component pushes, it directly acts on each grinding strip 41. In the actual structure, the bottom surface of the second loading plate 31 is detachably fixedly connected with a baffle 33 by screws. After disassembly, it is convenient to install or replace the grinding strip 41. The bottom of the baffle 33 is used to install the blanking die.

[0037] In an embodiment, as Figure 3 and Figure 4 shown, the number of grinding strips 41 is the same as the number of guide posts 14. The low-connection parts of every two grinding strips 41 are respectively facing a guide post 14. The pushing component includes push blocks 44 and a pushing structure that are the same in number as the guide posts 14. The push blocks 44 are respectively arranged on the second loading plate 31 corresponding to the guide posts 14, and each push block 44 can move back and forth in the direction between the corresponding guide post 14 and the center of the concave cavity 311. One end of each push block 44 abuts against the corresponding guide post 14 and the other end abuts against the two grinding strips 41 facing the guide post 14. The pushing structures are respectively arranged on the guide posts 14. After the blanking action of the second loading plate 31, the pushing structures synchronously push the corresponding push blocks 44 to move the grinding strips 41 towards the center of the concave cavity 311. One push block 44 acts on the ends of two grinding strips 41, and there is a gap between the ends of adjacent two grinding strips 41. When the grinding strips 41 are pushed, they will move closer to the center of the concave cavity 311.

[0038] In one embodiment, referring to Figures 1 to 4 The pushing structure includes an inner concave surface 45 and a transition surface 46. The inner concave surface 45 is provided on the side of the guide column 14 facing the center of the concave cavity 311, and the transition surface 46 is provided between the inner concave surface 45 and the outer cylindrical surface of the guide column 14. When the push block 44 moves from the inner concave surface 45 on the guide column 14 to its outer cylindrical surface along with the second loading plate 31, each of the transition surfaces 46 pushes the corresponding push block 44 respectively, so that the grinding strip 41 moves synchronously toward the center of the concave cavity 311. Since the inner concave surface 45 is at a small distance from the axis of the guide column 14, when one end of the push block 44 abuts against the inner concave surface 45, it will be away from the center of the concave cavity 311, and when one end of the push block 44 abuts against the outer cylindrical surface of the guide column 14, it will be close to the center of the concave cavity 311, and the transition surface 46 can make the push block 44 gradually transition from the inner concave surface 45 to the outer cylindrical surface of the guide column 14. When the punching mechanism 3 is punching, the push block 44 will move from the inner concave surface 45 to the outer cylindrical surface of the guide column 14 along the transition surface 46, so that the grinding strip 41 moves toward the center of the cavity 311 until it shrinks to the minimum. After punching, the second loading plate 31 continues to move downward, driving the grinding strip 41 to move downward to grind the punched edge of the metal back plate. When the second loading plate 31 is reset, it continues to grind in the opposite direction until it breaks away from the contact with the metal back plate, and finally enters the inner concave surface 45 and under the action of the elastic member 42, the grinding strip 41 moves away from the center of the cavity 311 until it expands outward to the maximum.

[0039] The above embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, such modifications are protected by the patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A metal back plate automated stamping production device, characterized in that: include: A stamping mechanism, used for mounting a stamping die to stamp the metal back plate; The punching mechanism is used to install the punching die and punch the four sides of the metal back plate after the punching mechanism punches but before the die is opened; The grinding mechanism is arranged on the punching mechanism and follows the punching mechanism to grind and remove burrs on the punched edges around the metal back plate after punching and during the resetting process.

2. The metal back plate automatic stamping production device according to claim 1, characterized in that: The machine also includes a frame, which includes a workbench, a second mounting table and a first mounting table which are arranged in sequence from the top of the workbench, the stamping mechanism is arranged on the first mounting table and its stamping part is located below the second mounting table, the blanking mechanism is arranged on the second mounting table and its blanking part is located below the second mounting table, and the grinding mechanism is arranged on the blanking part of the blanking mechanism.

3. The metal back plate automatic stamping production device according to claim 2, characterized in that: The frame further comprises a plurality of guide columns, the upper ends and the lower ends of the guide columns being fixedly connected to the first mounting platform and the workbench respectively, for supporting and fixing the first mounting platform.

4. The metal back plate automatic stamping production device according to claim 3, characterized in that: The stamping mechanism includes a push plate, a first loading plate, a plurality of connecting columns and a first pushing member. The push plate is connected to the guide column and can move up and down along the guide column. The first loading plate is used to install the stamping die and is located below the second mounting platform. The upper and lower ends of the connecting rod are fixedly connected to the push plate and the first loading plate respectively, so that the first loading plate can move synchronously with the push plate. The first pushing member is arranged on the first mounting platform and is used to push the push plate to move back and forth.

5. The metal back plate automatic stamping production device according to claim 4, characterized in that: The punching mechanism includes a second loading plate and a second pushing member. The second loading plate is used to install the punching die and is located below the second mounting platform. The second loading plate is connected to the guide column and can move up and down along the guide column. The second pushing member is arranged on the second mounting platform and is used to push the second loading plate to move back and forth.

6. The metal back plate automatic stamping production device according to claim 5, characterized in that: A concave cavity is provided at the bottom of the second loading plate, the connecting column passes through the top of the second loading plate, the first loading plate can be moved into the concave cavity, the bottom surface of the second loading plate surrounding the concave cavity is used to install a punching die, and the grinding mechanism is arranged around the inside of the concave cavity.

7. The metal back plate automatic stamping production device according to claim 6, characterized in that: The grinding mechanism includes a grinding component and a pushing component. The grinding component is arranged around the inside of the cavity. The grinding component can expand and shrink away from and close to the center of the cavity, and when the grinding component is shrunk to the minimum, its grinding part is adapted to the part where the metal back plate is punched. The pushing component is arranged on the second loading plate and the guide column, and is used to push the grinding component to shrink to the minimum after the punching mechanism punches the metal back plate.

8. The metal back plate automatic stamping production device according to claim 7, characterized in that: The grinding assembly includes multiple grinding strips that can be placed end to end to form a circle and multiple elastic members, each grinding strip is provided with a guide rod, the second loading plate is provided with multiple through holes on the side wall that forms a concave cavity, each guide rod is matched and connected to the corresponding through hole, so that the grinding strip can move away from and close to the center of the concave cavity, and the multiple elastic members are respectively arranged on the multiple guide rods to keep the corresponding grinding strips away from the center of the concave cavity. The pushing assembly acts on each grinding strip when pushing.

9. The metal back plate automatic stamping production device according to claim 8, characterized in that: The number of the grinding strips is the same as the number of the guide pillars, and the low joint of every two grinding strips faces a guide pillar respectively. The pushing assembly includes push blocks and push structures that are the same in number as the guide pillars. The push blocks are respectively arranged on the second loading plate corresponding to the guide pillars, and each push block can move back and forth in the direction between the corresponding guide pillar and the center of the concave cavity. One end of each push block abuts against the corresponding guide pillar and the other end abuts against the two grinding strips facing the guide pillar. The pushing structures are respectively arranged on the guide pillars. After the second loading plate punches, the pushing structure synchronously pushes the corresponding push block to move the grinding strip toward the center of the concave cavity.

10. The metal back plate automatic stamping production device according to claim 9, characterized in that: The pushing structure includes an inner concave surface and a transition surface, wherein the inner concave surface is arranged on the side of the guide column facing the center of the cavity, and the transition surface is arranged between the inner concave surface and the outer cylindrical surface of the guide column. When the push block moves from the inner concave surface on the guide column to its outer cylindrical surface along with the second loading plate, each of the transition surfaces pushes the corresponding push block respectively, so that the grinding strip moves synchronously toward the center of the cavity.

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