LED display screen assembly stamping die
By designing a stamping mold for LED display panel components including upper die, lower die and multi-stage downward pressing units, the problem of the need to carry products in the prior art LED display panel components needs to bend processing, and the stamping and bending processing are efficiently completed in a small space.
Patent Information
- Application Number
- CN202420752625.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing LED display assembly stamping molds need to carry products during bending processing, resulting in large space occupation, high handling risk and slow production speed.
A stamping mold of an LED display screen assembly including an upper die, a lower die and a downward press unit is designed. The downward press unit can perform multi-stage downward pressing and pressing and bending forming with the bent top block and bending convex point of the lower die.
It realizes stamping and bending processing in a smaller space, reducing the risk and time of product handling, and improving production speed and efficiency.
Smart Images
Figure CN222873164U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of LED display screen processing, and in particular to a stamping die for an LED display screen component. Background Art
[0002] LED display screen, LED screen is a new type of imaging electronic device made of light-emitting diodes arranged in sequence. Due to its high brightness, wide viewing angle, long life and other characteristics, it is widely used in outdoor advertising screens and other products; stamping die, is a special process equipment used to process materials into parts in cold stamping, called cold stamping die. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform it, thereby obtaining the required parts.
[0003] In our daily life, LED display screens are widely used in many products, such as handheld screens, computer screens, advertising screens, etc. With the progress of the times, the requirements for display screens are getting higher and higher, and at the same time, the requirements for display screen components are also getting higher and higher. The existing molds for stamping display screen components are straight punching and forming. If the formed components need to be bent, the products need to be transported to the bending mold for bending processing, which requires a large space, and the transportation process is dangerous and the production speed is slow.
[0004] The existing technology has defects and needs to be improved. Utility Model Content
[0005] In order to solve the defects existing in the current technology, the utility model provides a stamping die for an LED display screen component.
[0006] The utility model provides a technical document, a stamping die for an LED display assembly, comprising an upper die, a lower die and a pressing unit, wherein the upper die is vertically connected to the upper die, and the pressing unit is fixedly installed on one side of the lower die; the pressing unit comprises a pressing cylinder, a pressing tooth column, a pressing push rod, a pressing top plate, a pressing gear and a pressing arc plate, the fixed end of the pressing cylinder is arranged on the lower die, the output end of the pressing cylinder is arranged upward and connected to the bottom end of the pressing push rod, the pressing tooth column is vertically arranged on the pressing cylinder and on one side of the pressing push rod, the top end of the pressing push rod is vertically connected to the lower surface of the pressing top plate upward, the pressing gear is installed on the lower surface of the pressing top plate, and the pressing arc plate is installed on the upper surface of the pressing top plate.
[0007] Preferably, the upper die includes an upper die frame, a stamping cylinder, a stamping buffer plate, a plurality of buffer columns, a stamping support, a stamping fixed plate and a stamping head. The upper die frame is arranged on the lower die, and the fixed end of the stamping cylinder is installed on the upper die frame. The output end of the stamping cylinder vertically passes through the upper die frame and is connected to the top end of the stamping support. The stamping buffer plate is installed in the upper die frame. A plurality of buffer columns are connected to the lower surface of the stamping buffer plate, and the bottom ends of the plurality of buffer columns are vertically connected to the stamping fixed plate. A plurality of buffer springs are installed on the plurality of buffer columns. The bottom end of the stamping support sequentially passes through the stamping buffer plate and the stamping fixed plate and is connected to the stamping head.
[0008] Preferably, the lower die comprises a lower die base, a first connecting column, a second connecting column, a lower die fixing seat, a lower die fixing block, a lower die lifting column, a bending top block and a lifting cylinder, the first connecting column and the second connecting column are installed in parallel in the middle of the lower die base, the top ends of the first connecting column and the second connecting column are connected to the upper die frame, the first connecting column and the second connecting column are both sleeved with a lower die spring, the lower die fixing seat is arranged on one side of the connecting column, and a downward pressure unit is arranged on the other side of the connecting column, the lower die fixing block is installed on the lower die fixing seat, the bending top block is installed in the lower die fixing block, the lower end of the bending top block is connected to the lower die lifting column, and the lower die lifting column is connected to the lifting cylinder.
[0009] Preferably, a first bending convex point and a second bending convex point are respectively arranged on both sides of the top end of the bending top block, and the first bending convex point and the second bending convex point are used to resist bending of the product after stamping.
[0010] Preferably, a guide hole for the bending protrusion to pass through is provided on the lower die fixing block, and the guide hole is arranged opposite to the punching head.
[0011] Preferably, the multiple buffer springs and the multiple lower die springs are all configured as compression springs.
[0012] Preferably, a positioning portion is provided on the lower die, and the positioning portion is used to position the component to be bent.
[0013] Preferably, a screw hole is provided at the top of the punch head.
[0014] Preferably, the lower die further comprises a plurality of limiting columns, and the plurality of limiting columns are used to limit the lower die fixing seat and the lower die fixing block.
[0015] Preferably, the downward pressing arc plate can be rotated 90° for downward pressing.
[0016] Compared with the beneficial effects of the prior art, the utility model is provided with an upper die for stamping and forming, and at the same time a lower pressing unit for secondary bending and forming is provided. The lower pressing unit can perform multi-stage downward pressing and bending, and cooperates with the bending top block and bending convex points of the lower die to perform stamping and bending. It occupies a small space, does not need to carry workpieces, has a fast production speed, low cost, and has good market application value. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the pressing unit of the utility model;
[0019] Figure 3 This is a schematic diagram of the upper mold structure of the utility model;
[0020] Figure 4 It is a schematic diagram of the lower mold structure of the utility model.
[0021] Markings: upper mold 1, lower mold 2, pressing unit 3, pressing cylinder 31, pressing gear column 32, pressing push rod 33, pressing top plate 34, pressing gear 35, pressing arc plate 36, upper mold frame 11, stamping cylinder 12, stamping buffer plate 13, multiple buffer columns 14, stamping support column 15, stamping fixing plate 16, stamping head 17, lower mold base 21, first connecting column 22, second connecting column 23, lower mold fixing seat 24, lower mold fixing block 25, lower mold lifting column 26, bending top block 27. DETAILED DESCRIPTION
[0022] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.
[0023] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific embodiments. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0024] It should be noted that when an element is referred to as being "fixed to" 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 specification are for illustrative purposes only.
[0025] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by technicians in the technical field of the utility model. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the utility model.
[0026] The utility model is described in detail below in conjunction with the accompanying drawings.
[0027] like Figure 1-Figure 4 An embodiment shown: a stamping die for an LED display assembly, comprising an upper die 1, a lower die 2 and a pressing unit 3, wherein the upper die 1 is vertically connected to the lower die 2, and the pressing unit 3 is fixedly installed on one side of the lower die 2; the pressing unit 3 comprises a pressing cylinder 31, a pressing tooth column 32, a pressing push rod 33, a pressing top plate 34, a pressing gear 35 and a pressing arc plate 36, wherein the fixed end of the pressing cylinder 31 is arranged on the lower die 2, the output end of the pressing cylinder is arranged upward and connected to the bottom end of the pressing push rod 33, the pressing tooth column 32 is vertically arranged on the pressing cylinder and on one side of the pressing push rod, the top end of the pressing push rod is vertically connected to the lower surface of the pressing top plate 34 upward, the pressing gear 35 is installed on the lower surface of the pressing top plate 34, and the pressing arc plate 36 is installed on the upper surface of the pressing top plate 34.
[0028] It should be noted that the pressurized product is placed between the lower die 2 and the upper die 1, and then the upper die 1 presses down to impact the product to stamp and form it, and then the downward pressing cylinder 31 drives the downward pressing push rod 33 to lift, and the downward pressing push rod 33 drives the downward pressing top plate 34 to reciprocate up and down, and while the downward pressing top plate 34 moves remotely, it drives the downward pressing gear 35 to cooperate with the downward pressing gear column 32 to perform meshing movement, and while the downward pressing top plate 34 meshes and moves remotely, the downward pressing arc plate 36 installed on the upper surface drives the upper die 1 to press down the product after the stamping for the second time and cooperate with the lower die 2 to reciprocately stamp, stretch, and bend the product. After completion, the downward pressing unit 3 returns, and the upper die 1 is lifted by the spring on the lower die 2, and the lower die 2 ejects the formed product.
[0029] Preferably, the upper mold 1 includes an upper mold frame 11, a stamping cylinder 12, a stamping buffer plate 13, a plurality of buffer columns 14, a stamping support 15, a stamping fixed plate 16 and a stamping head 17. The upper mold frame 11 is arranged on the lower mold 2, and the fixed end of the stamping cylinder 12 is installed on the upper mold frame 11. The output end of the stamping cylinder 12 vertically passes through the upper mold frame 11 and is connected to the top of the stamping support 15. The stamping buffer plate 13 is installed in the upper mold frame 11. A plurality of buffer columns 14 are connected to the lower surface of the stamping buffer plate 13. The bottom ends of the plurality of buffer columns 14 are vertically connected to the stamping fixed plate 16. A plurality of buffer springs are installed on the plurality of buffer columns 14. The bottom end of the stamping support 15 sequentially passes through the stamping buffer plate 13 and the stamping fixed plate 16 and is connected to the stamping head 17.
[0030] It should be noted that the stamping cylinder 12 drives the stamping pillar 15 and the stamping buffer plate 13 to perform a downward pressing process, and then the stamping pillar 15 stamps the issued product through the stamping head 17 to form it. The multiple stamping springs on the multiple buffer pillars 14 are used to reduce the impact force of the stamping cylinder 12 during the stamping process of the product;
[0031] Furthermore, the number of the punching heads 17 can be multiple, at least two or more, and can be used for multiple groups to perform punching simultaneously.
[0032] Preferably, the lower mold 2 includes a lower mold base 21, a first connecting column 22, a second connecting column 23, a lower mold fixing seat 24, a lower mold fixing block 25, a lower mold lifting column 26, a bending top block 27 and a lifting cylinder. The first connecting column 22 and the second connecting column 23 are installed in parallel in the middle of the lower mold base 21. The top ends of the first connecting column 22 and the second connecting column 23 are both connected to the upper mold frame 11. The first connecting column 22 and the second connecting column 23 are both sleeved with a lower mold 2 spring. The lower mold fixing seat 24 is arranged on one side of the connecting column, and the pressing unit 3 is arranged on the other side of the connecting column. The lower mold fixing block 25 is installed on the lower mold fixing seat 24, and the bending top block 27 is installed in the lower mold fixing block 25. The lower end of the bending top block 27 is connected to the lower mold lifting column 26, and the lower mold lifting column 26 is connected to the lifting cylinder.
[0033] It should be noted that the upper die 1 is pressed down first for stamping. After the stamping is completed, the secondary lower element of the lower pressing unit 3 is used to bend the product after the stamping. The lower die lifting column 26 is driven by the lifting cylinder to lift the bending top block 27, and the bent product on the bending top block 27 is ejected from the lower die fixed block 25.
[0034] Furthermore, a plurality of bending top blocks 27 are provided on the lower die fixing block 25, and at least two or more of them are provided, so that multiple groups of stamping and bending can be performed simultaneously in cooperation with the upper die 1.
[0035] Preferably, a first bending convex point and a second bending convex point are respectively arranged on both sides of the top of the bending top block 27, and the first bending convex point and the second bending convex point are used to resist bending of the product after stamping.
[0036] Preferably, the lower die fixing block 25 is provided with a guide hole for the bending protrusion to pass through, and the guide hole is arranged opposite to the punching head 17 .
[0037] It should be noted that the guide hole can be used to enable the punch head 17 to cooperate with the bending top block 27 to perform bending work on the stamped product.
[0038] Preferably, the plurality of buffer springs and the plurality of lower die 2 springs are configured as compression springs.
[0039] Preferably, a positioning portion is provided on the lower die 2, and the positioning portion is used to position the component to be bent.
[0040] It should be noted that positioning cannot be used to position and fix the bent parts after stamping.
[0041] Preferably, a screw hole is provided at the top of the punch head 17 .
[0042] It should be noted that the screw holes are used to punch holes in the products after stamping.
[0043] Preferably, the lower die 2 further includes a plurality of limiting columns, and the plurality of limiting columns are used to limit the lower die fixing seat 24 and the lower die fixing block 25 .
[0044] Preferably, the downward pressing arc plate can be rotated 90° for downward pressing.
[0045] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.
Claims
1. A stamping die for an LED display screen component, characterized in that: It comprises an upper die, a lower die and a pressing unit, wherein the upper die is vertically connected to the upper die, and the pressing unit is fixedly installed on a side surface of the lower die; the pressing unit comprises a pressing cylinder, a pressing tooth column, a pressing push rod, a pressing push plate, a pressing gear and a pressing arc plate, the fixed end of the pressing cylinder is arranged on the lower die, the output end of the pressing cylinder is arranged upward and connected to the bottom end of the pressing push rod, the pressing tooth column is vertically arranged on the pressing cylinder and on one side of the pressing push rod, the top end of the pressing push rod is vertically connected to the lower surface of the pressing push plate upward, the pressing gear is installed on the lower surface of the pressing push plate, and the pressing arc plate is installed on the upper surface of the pressing push plate.
2. The LED display screen assembly stamping die according to claim 1, characterized in that: The upper die includes an upper die frame, a stamping cylinder, a stamping buffer plate, a plurality of buffer columns, a stamping support, a stamping fixed plate and a stamping head. The upper die frame is arranged on the lower die. The fixed end of the stamping cylinder is installed on the upper die frame. The output end of the stamping cylinder vertically passes through the upper die frame and is connected to the top end of the stamping support. The stamping buffer plate is installed in the upper die frame. A plurality of buffer columns are connected to the lower surface of the stamping buffer plate. The bottom ends of the plurality of buffer columns are vertically connected to the stamping fixed plate. A plurality of buffer springs are installed on the plurality of buffer columns. The bottom end of the stamping support sequentially passes through the stamping buffer plate and the stamping fixed plate and is connected to the stamping head.
3. The LED display screen assembly stamping die according to claim 2, characterized in that: The lower die comprises a lower die base, a first connecting column, a second connecting column, a lower die fixing seat, a lower die fixing block, a lower die lifting column, a bending top block and a lifting cylinder. The first connecting column and the second connecting column are installed in parallel in the middle of the lower die base. The top ends of the first connecting column and the second connecting column are connected to the upper die frame. The first connecting column and the second connecting column are both sleeved with a lower die spring. The lower die fixing seat is arranged on one side of the connecting column, and a pressing unit is arranged on the other side of the connecting column. The lower die fixing block is installed on the lower die fixing seat, and the bending top block is installed in the lower die fixing block. The lower end of the bending top block is connected to the lower die lifting column, and the lower die lifting column is connected to the lifting cylinder.
4. The LED display screen assembly stamping die according to claim 3, characterized in that: The first bending convex point and the second bending convex point are respectively arranged on both sides of the top of the bending top block, and the first bending convex point and the second bending convex point are used to resist bending of the product after stamping.
5. The LED display screen assembly stamping die according to claim 3, characterized in that: The lower die fixing block is provided with a guide hole for the bending convex point to pass through, and the guide hole is arranged opposite to the punching head.
6. The LED display screen assembly stamping die according to claim 5, characterized in that: The multiple buffer springs and the multiple lower die springs are all configured as compression springs.
7. The LED display screen assembly stamping die according to claim 1, characterized in that: The lower die is provided with a positioning portion, and the positioning portion is used to position the component to be bent.
8. The LED display screen assembly stamping die according to claim 2, characterized in that: The top end of the punching head is provided with a screw hole.
9. The LED display screen assembly stamping die according to claim 2, characterized in that: The lower die also includes a plurality of limiting columns, which are used to limit the lower die fixing seat and the lower die fixing block.
10. The LED display screen assembly stamping die according to claim 1, characterized in that: The downward pressing arc plate can be rotated 90 degrees to perform downward pressing work.