Continuous forming die for LED panel lamp chassis

By designing the continuous molding mold of the LED panel lamp chassis, using the hydraulic press to drive the mold downward movement and nitrogen spring clamping technology, the problem of low processing efficiency in the existing technology is solved, efficient continuous molding and longitudinal cut-off are achieved, and processing efficiency is significantly improved.

CN222919477UActive Publication Date: 2025-05-30ZHONGSHAN YUHONG MOLD CO LTD
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Patent Information

Application Number
CN202421845922.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-05-30
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

The stamping and forming processing efficiency of existing LED panel lamp chassis is low, requiring repeated pick-up and placement of molds and additional positioning, resulting in increased downtime and reduced processing efficiency.

Method used

A continuous molding mold of LED panel lamp chassis is designed, including an upper code template, a lower code template, a molding mechanism and a positioning mechanism. The mold is driven downward by a hydraulic press to perform mold clamping and cushioning, and a nitrogen spring and a pressing plate are used for clamping and buffering to achieve continuous molding and longitudinal cut-off.

Benefits of technology

Continuous molding processing is achieved without additional positioning, which significantly improves the efficiency of molding processing. By reducing processes and improving overall stability, it avoids heating deformation of the mold and ensures long-term use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dies, and discloses an LED panel lamp base plate continuous forming die which comprises an upper stacking die plate fixedly installed at the telescopic end of an external hydraulic machine and a lower stacking die plate fixedly installed on the surface of an external machining table, an upper die frame is arranged on the bottom side of the upper stacking die plate, and a lower die frame is arranged on the top side of the lower stacking die plate. The forming mechanism and the positioning mechanism are arranged, an external hydraulic machine is used for driving the upper code template to move downwards, the upper forming mold core and the lower forming mold core can be driven to be combined for mold closing, the purpose of forming and machining the lamp chassis is achieved through the forming cavity, then the mold is opened, and the formed lamp chassis continues to move rightwards to the position of the positioning cavity. The coiled material is positioned through the positioning cavity, the coiled material continues to be subjected to forming machining operation, and in the continuous machining process through the die, continuous forming machining can be conducted without additionally positioning the lamp base plate, so that the forming machining efficiency can be greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, and more specifically to a continuous forming mold for the chassis of an LED panel lamp. Background Art

[0002] When manufacturing the chassis of an LED panel lamp, it is usually produced by stamping and processing a coil material. During production, the coil material is often cut into plates of appropriate size first, and then the plates are placed inside the mold for stamping and forming processing. Using this processing method, it is necessary to repeatedly pick up and place the plates. When picking up and placing, the overall mold is in a stopped state, thus reducing the processing efficiency. Moreover, when placing the plates inside the mold, it takes extra time for positioning, thus further reducing the stamping processing efficiency.

[0003] In view of this, the utility model provides a continuous forming mold for the chassis of an LED panel lamp with high processing efficiency. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a continuous forming mold for the chassis of an LED panel lamp to solve the problems existing in the above-mentioned background art.

[0005] The utility model provides the following technical solution: A continuous forming mold for the chassis of an LED panel lamp, including an upper code template fixedly installed at the telescopic end of an external hydraulic press and a lower code template fixedly installed on the surface of an external processing table. A upper die holder is arranged at the bottom side of the upper code template, and a lower die holder is arranged at the top side of the lower code template. Between the upper die holder and the lower die holder, a first cutting mechanism for cutting the central position of the coil material, a forming mechanism, a positioning mechanism, and a second cutting mechanism for cutting the side position of the coil material are arranged from left to right;

[0006] The forming mechanism includes a forming fixed plate fixedly installed at the bottom side of the upper die holder. An upper forming die core is arranged at the bottom end of the forming fixed plate. A die core backing plate is arranged at the top of the lower die holder, and a lower forming die core is arranged at the top of the die core backing plate. The positions of the upper forming die core and the lower forming die core correspond to each other, and a forming cavity is reserved between the two;

[0007] The positioning mechanism includes a lower cutting edge backing plate fixedly installed at the top of the lower die holder. A lower cutting edge plate is arranged at the top of the lower cutting edge backing plate. An upper fixed plate is fixedly installed at the bottom of the upper die holder. An upper pressure material auxiliary plate is fixedly installed at the bottom end of the upper fixed plate, and an upper pressure plate is fixedly installed at the bottom end of the upper pressure material auxiliary plate. The positions of the upper pressure plate and the lower cutting edge plate correspond to each other, and a positioning cavity is reserved between the two.

[0008] Furthermore, an upper cushion block is fixedly installed between the bottom side of the upper code template and the top side of the upper die holder, and a lower cushion block is fixedly installed between the top side of the lower code template and the bottom side of the lower die holder; by providing the upper cushion block and the lower cushion block, ventilation areas can be reserved on the upper side of the upper die holder and the lower side of the lower die holder, thus facilitating the heat dissipation of the overall die, avoiding the situation of heat deformation during continuous use of the die, and ensuring that the die can be used for a long time.

[0009] Furthermore, a telescopic groove is formed on the upper surface of the lower die holder, the die core pad iron is movably installed on the lower die holder, and the die core pad iron is slidably connected inside the telescopic groove. A forming nitrogen spring is fixedly installed at the top of the lower code template, the telescopic end of the forming nitrogen spring is fixedly installed with a lower top plate, the top of the lower top plate is fixedly installed with a lower ejector rod, and the top end of the lower ejector rod extends into the telescopic groove and is fixed to the bottom end of the die core pad iron; when stamping and forming the coil material, the forming nitrogen spring is used to flexibly support the die core pad iron, which can buffer the die during stamping and forming, achieving the purpose of protecting the overall die.

[0010] Furthermore, upper pressure plates are fixedly installed on the left and right sides of the upper forming die core on the lower surface of the forming fixed plate. The top end of the lower ejector rod extends to the top of the lower die holder and is fixedly installed with two lower pressure plates. The two lower pressure plates are symmetrically arranged on the left and right sides of the lower forming die core, and the positions of the upper pressure plates and the lower pressure plates correspond to each other; by providing the upper pressure plates and the lower pressure plates, when the die is closed, the coil material is clamped and positioned by the upper pressure plates and the lower pressure plates, which can avoid the deformation of the coil material outside the forming cavity during the stamping process and ensure the integrity of the coil material.

[0011] Furthermore, the first slitting mechanism includes an upper tool holder fixedly installed on the surface of the upper die holder, an upper cutting knife is fixedly installed on the surface of the upper tool holder, a buffer nitrogen spring is fixedly installed on the surface of the lower code template, the telescopic end of the buffer nitrogen spring is fixedly installed with a lower tool holder return rod, the top end of the lower tool holder return rod extends to the top of the lower die holder and is fixedly installed with a tool holder ejector rod, the top of the tool holder ejector rod is fixedly installed with a lower tool holder, and a lower cutting knife is fixedly installed on the surface of the lower tool holder. The positions of the upper cutting knife and the lower cutting knife correspond to each other; by providing the first slitting mechanism, during the die closing process, the upper cutting knife and the lower cutting knife are combined to cut the central section of the longitudinal side of the coil material, achieving the effect of locally cutting the coil material while keeping the coil material continuously conveyed.

[0012] Furthermore, a guide post is fixedly installed at the bottom end of the lower tool holder, and the guide post is inserted into the surface of the lower die holder.

[0013] Further, the second slitting mechanism includes a lower material supporting block fixedly installed on the upper surface of the right side of the lower cutting edge backing plate. The upper part of the lower material supporting block is fixedly installed with a lower positioning plate, and the right side of the lower surface of the upper material pressing auxiliary plate is fixedly installed with an upper positioning plate. The positions of the lower positioning plate and the upper positioning plate correspond to each other. By setting the second slitting mechanism, when the coil is output from the mold, the front and rear edges of the longitudinal side of the coil can be cut by the cooperation of the lower positioning plate and the upper positioning plate, so as to achieve the purpose of completely longitudinally cutting the coil.

[0014] The technical effects and advantages of the present utility model:

[0015] 1. In the present utility model, an external device is used to unwind the coil. The coil moves horizontally from left to right between the upper coding template and the lower coding template. By setting the forming mechanism and the positioning mechanism, the external hydraulic press drives the upper coding template to move downward, which can drive the upper forming die core and the lower forming die core to cooperate for mold closing. The forming chamber is used to form the lamp chassis, and then the mold is opened. The formed lamp chassis continues to move rightward to the positioning chamber position, and the coil is positioned through the positioning chamber, and the forming processing operation of the coil is continued. During the continuous processing using this mold, since there is no need to additionally position the lamp chassis for continuous forming processing, the forming processing efficiency can be greatly improved.

[0016] 2. In the present utility model, when the coil is conveyed into the mold for stamping and forming, by setting the first slitting mechanism, the upper cutter and the lower cutter cooperate to cut the central section of the longitudinal side of the coil. By setting the second slitting mechanism, when the coil is output from the mold, the front and rear edges of the longitudinal side of the coil can be cut by the cooperation of the lower positioning plate and the upper positioning plate, so as to achieve the purpose of longitudinally cutting the coil. By adopting such a processing method, the coil can be directly processed without pre-cutting the coil into plates of suitable size, reducing the processing procedures, and thus further improving the processing efficiency. Description of the drawings

[0017] Figure 1 is a three-dimensional structure schematic diagram of the present utility model;

[0018] Figure 2 is a three-dimensional structure schematic diagram of the present utility model with a front sectional view;

[0019] Figure 3 is a three-dimensional structure schematic diagram of the present utility model from a first perspective of a top sectional view;

[0020] Figure 4 is a three-dimensional structure schematic diagram of the present utility model from a second perspective of a top sectional view;

[0021] Figure 5 is a three-dimensional structure schematic diagram of the lower tool holder of the present utility model.

[0022] The attached drawing reference numerals are: 1, upper tool rest; 2, upper cutting tool; 3, lower cutting tool; 4, lower tool rest; 5, tool rest ejector rod; 6, buffer nitrogen spring; 7, guide post; 8, lower tool rest return rod; 9, upper code template; 10, upper cushion block; 11, upper die holder; 12, lower die holder; 13, lower cushion block; 14, lower top plate; 15, lower ejector rod; 16, forming fixed plate; 17, upper pressure plate; 18, lower pressure plate; 19, upper forming die core; 20, lower forming die core; 21, die core cushion iron; 22, forming nitrogen spring; 23, upper fixed plate; 24, upper pressure plate attachment plate; 25, upper pressure plate; 26, lower cutting edge plate; 27, lower cutting edge backing plate; 28, lower positioning plate; 29, lower material supporting block; 30, lower code template; 31, forming chamber; 32, positioning chamber; 33, upper positioning plate. Specific embodiments

[0023] Next, the technical solutions in the present invention will be clearly and completely described in conjunction with the attached drawings in the present invention. In addition, the forms of each structure described in the following embodiments are only examples. A continuous forming die for an LED panel lamp chassis involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0024] Referring to Figures 1-5 , the present invention provides a continuous forming die for an LED panel lamp chassis, including an upper code template 9 fixedly installed at the telescopic end of an external hydraulic press and a lower code template 30 fixedly installed on the surface of an external processing table. An upper die holder 11 is provided on the bottom side of the upper code template 9, and a lower die holder 12 is provided on the top side of the lower code template 30.

[0025] An upper cushion block 10 is fixedly installed between the bottom side of the upper code template 9 and the top side of the upper die holder 11, and a lower cushion block 13 is fixedly installed between the top side of the lower code template 30 and the bottom side of the lower die holder 12.

[0026] By providing the upper cushion block 10 and the lower cushion block 13, a ventilation area can be reserved on the upper side of the upper die holder 11 and the lower side of the lower die holder 12, thereby facilitating the heat dissipation of the overall die, avoiding the situation of heat deformation during continuous use of the die, and ensuring that the die can be used for a long time.

[0027] A first cutting mechanism for cutting the central position of the coil, a forming mechanism, a positioning mechanism, and a second cutting mechanism for cutting the side position of the coil are respectively arranged between the upper die holder 11 and the lower die holder 12 from left to right.

[0028] The forming mechanism includes a forming fixed plate 16 fixedly installed on the bottom side of the upper die holder 11. An upper forming die core 19 is arranged at the bottom end of the forming fixed plate 16. A die core cushion block 21 is arranged on the top of the lower die holder 12. A lower forming die core 20 is arranged on the top of the die core cushion block 21. The positions of the upper forming die core 19 and the lower forming die core 20 correspond to each other, and a forming cavity 31 is reserved between the two.

[0029] The positioning mechanism includes a lower cutting edge backing plate 27 fixedly installed on the top of the lower die holder 12. A lower cutting edge plate 26 is arranged on the top of the lower cutting edge backing plate 27. An upper fixed plate 23 is fixedly installed at the bottom of the upper die holder 11. An upper pressure pad plate 24 is fixedly installed at the bottom end of the upper fixed plate 23. An upper pressure plate 25 is fixedly installed at the bottom end of the upper pressure pad plate 24. The positions of the upper pressure plate 25 and the lower cutting edge plate 26 correspond to each other, and a positioning cavity 32 is reserved between the two.

[0030] In the present utility model, an external device is used to unwind a coil material. The coil material moves horizontally from left to right between the upper stacking template 9 and the lower stacking template 30. By arranging the forming mechanism and the positioning mechanism, and driving the upper stacking template 9 to move downward by an external hydraulic press, the upper forming die core 19 and the lower forming die core 20 can be driven to be combined. The forming of the lamp chassis is achieved through the forming cavity 31. Subsequently, the mold is opened, and the formed lamp chassis continues to move rightward to the position of the positioning cavity 32. The coil material is positioned through the positioning cavity 32, and the forming processing operation of the coil material is continued. During the continuous processing using this mold, since the continuous forming processing can be carried out without additional positioning of the lamp chassis, the forming processing efficiency can be greatly improved.

[0031] In this embodiment, a telescopic groove is formed on the upper surface of the lower die holder 12. The die core cushion block 21 is movably installed with the lower die holder 12, and the die core cushion block 21 is slidably connected inside the telescopic groove. A forming nitrogen spring 22 is fixedly installed on the top of the lower stacking template 30. A lower top plate 14 is fixedly installed at the telescopic end of the forming nitrogen spring 22. A lower ejector rod 15 is fixedly installed on the top of the lower top plate 14. The top end of the lower ejector rod 15 extends into the telescopic groove and is fixed to the bottom end of the die core cushion block 21.

[0032] It should be noted that when stamping and forming the coil material, the forming nitrogen spring 22 is used to provide flexible support for the die core cushion block 21, which can buffer the mold during stamping and forming, so as to achieve the purpose of protecting the overall mold.

[0033] Upper pressure plates 17 are fixedly installed on the lower surface of the forming fixed plate 16 on the left and right sides of the upper forming die core 19. The top end of the lower ejector rod 15 extends to the top of the lower die holder 12 and two lower pressure plates 18 are fixedly installed. The two lower pressure plates 18 are symmetrically arranged on the left and right sides of the lower forming die core 20, and the positions of the upper pressure plates 17 and the lower pressure plates 18 correspond to each other.

[0034] By setting the upper pressure plate 17 and the lower pressure plate 18, when the mold is closed, the upper pressure plate 17 and the lower pressure plate 18 are used to clamp and position the coil material, which can avoid the deformation of the coil material outside the forming cavity 31 during the stamping process and ensure the integrity of the coil material.

[0035] The first cutting mechanism includes an upper tool holder 1 fixedly installed on the surface of the upper die holder 11. An upper cutting knife 2 is fixedly installed on the surface of the upper tool holder 1. A buffer nitrogen spring 6 is fixedly installed on the surface of the lower code template 30. A lower tool holder return rod 8 is fixedly installed at the telescopic end of the buffer nitrogen spring 6. The top end of the lower tool holder return rod 8 extends to the top of the lower die holder 12 and is fixedly installed with a tool holder ejector rod 5. A lower tool holder 4 is fixedly installed at the top end of the tool holder ejector rod 5. A lower cutting knife 3 is fixedly installed on the surface of the lower tool holder 4. The positions of the upper cutting knife 2 and the lower cutting knife 3 correspond to each other.

[0036] A guide post 7 is fixedly installed at the bottom end of the lower tool holder 4. The guide post 7 is inserted into the surface of the lower die holder 12.

[0037] The second cutting mechanism includes a lower material supporting block 29 fixedly installed on the upper surface of the right side of the lower cutting edge backing plate 27. A lower positioning plate 28 is fixedly installed at the top of the lower material supporting block 29. An upper positioning plate 33 is fixedly installed on the right side of the lower surface of the upper pressure plate attachment plate 24. The positions of the lower positioning plate 28 and the upper positioning plate 33 correspond to each other.

[0038] In the present utility model, when the coil material is conveyed into the mold for stamping and forming, by setting the first cutting mechanism, during the mold closing process, the upper cutting knife 2 and the lower cutting knife 3 are combined to cut the central section of the longitudinal side of the coil material. By setting the second cutting mechanism, when the coil material is output from the mold, the lower positioning plate 28 and the upper positioning plate 33 are combined to cut the front and rear edges of the longitudinal side of the coil material, achieving the purpose of longitudinally truncating the coil material. By adopting such a processing method, the coil material can be directly processed without pre-cutting the coil material into plates of suitable size, reducing the processing procedures, and thus achieving the purpose of further improving the processing efficiency.

[0039] Finally, it should be noted that: in the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

Claims

1. A continuous molding die for the chassis of an LED panel lamp, comprising an upper code template (9) fixedly mounted on the telescopic end of an external hydraulic press and a lower code template (30) fixedly mounted on the surface of an external processing table, characterized in that: An upper mold frame (11) is arranged at the bottom side of the upper code template (9), and a lower mold frame (12) is arranged at the top side of the lower code template (30). A first slitting mechanism for cutting the center position of the coil, a forming mechanism, a positioning mechanism, and a second slitting mechanism for cutting the side position of the coil are arranged from left to right between the upper mold frame (11) and the lower mold frame (12); The molding mechanism comprises a molding fixing plate (16) fixedly mounted on the bottom side of the upper mold frame (11); an upper molding core (19) is arranged at the bottom end of the molding fixing plate (16); a mold core pad (21) is arranged at the top of the lower mold frame (12); a lower molding core (20) is arranged at the top of the mold core pad (21); the upper molding core (19) and the lower molding core (20) are located in corresponding positions, and a molding chamber (31) is reserved between the two; The positioning mechanism comprises a lower blade pad (27) fixedly mounted on the top of the lower die frame (12), a lower blade plate (26) being arranged on the top of the lower blade pad (27), an upper fixed plate (23) being fixedly mounted on the bottom of the upper die frame (11), an upper material pressing attachment plate (24) being fixedly mounted on the bottom end of the upper fixed plate (23), an upper pressing plate (25) being fixedly mounted on the bottom end of the upper material pressing attachment plate (24), the upper pressing plate (25) corresponding to the position of the lower blade plate (26), and a positioning chamber (32) being reserved between the two.

2. The LED panel lamp chassis continuous forming mold according to claim 1, characterized in that: An upper cushion block (10) is fixedly installed between the bottom side of the upper code template (9) and the top side of the upper mold frame (11), and a lower cushion block (13) is fixedly installed between the top side of the lower code template (30) and the bottom side of the lower mold frame (12).

3. The LED panel lamp chassis continuous forming mold according to claim 1, characterized in that: A telescopic groove is provided on the upper surface of the lower mold frame (12); a core washer (21) is movably mounted on the lower mold frame (12); and the core washer (21) is slidably connected to the inside of the telescopic groove; and a molding nitrogen spring (22) is fixedly mounted on the top of the lower code template (30); a lower top plate (14) is fixedly mounted on the telescopic end of the molding nitrogen spring (22); a lower ejector rod (15) is fixedly mounted on the top of the lower top plate (14); and a top end of the lower ejector rod (15) extends to the inside of the telescopic groove and is fixed to the bottom end of the core washer (21).

4. A continuous molding die for chassis of LED panel lamps according to claim 1 or 3, characterized in that: The lower surface of the forming fixed plate (16) is fixedly mounted with an upper pressing plate (17) on the left and right sides of the upper forming mold core (19); the top end of the lower push rod (15) extends to the top of the lower mold frame (12) and is fixedly mounted with two lower pressing plates (18); the two lower pressing plates (18) are symmetrically arranged on the left and right sides of the lower forming mold core (20), and the positions of the upper pressing plate (17) and the lower pressing plate (18) correspond to each other.

5. The LED panel lamp chassis continuous forming mold according to claim 1, characterized in that: The first slitting mechanism comprises an upper tool holder (1) fixedly mounted on the surface of an upper die frame (11); an upper cutter (2) is fixedly mounted on the surface of the upper tool holder (1); a buffer nitrogen spring (6) is fixedly mounted on the surface of a lower code template (30); a lower tool holder reset rod (8) is fixedly mounted on the telescopic end of the buffer nitrogen spring (6); the top end of the lower tool holder reset rod (8) extends to the top of the lower die frame (12) and is fixedly mounted with a tool holder top rod (5); a lower tool holder (4) is fixedly mounted on the top end of the tool holder top rod (5); a lower cutter (3) is fixedly mounted on the surface of the lower tool holder (4); and the upper cutter (2) and the lower cutter (3) are positioned correspondingly.

6. The LED panel lamp chassis continuous forming mold according to claim 5, characterized in that: A guide column (7) is fixedly mounted on the bottom end of the lower tool holder (4), and the guide column (7) is inserted into the surface of the lower mold frame (12).

7. The LED panel lamp chassis continuous forming mold according to claim 1, characterized in that: The second slitting mechanism comprises a lower supporting block (29) fixedly mounted on the right side of the upper surface of the lower blade pad (27), a lower positioning plate (28) fixedly mounted on the top of the lower supporting block (29), and an upper positioning plate (33) fixedly mounted on the right side of the lower surface of the upper pressing plate (24), and the positions of the lower positioning plate (28) and the upper positioning plate (33) correspond to each other.