Novel pier thinning structure
The pressure is transmitted by the ejector pin and gasket extrusion spring of the new pier thin structure, which solves the problem of uneven force on the product in the traditional pier thin structure and achieves the effect of reducing product deformation and extending the mold life.
Patent Information
- Application Number
- CN202422809463.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-19
AI Technical Summary
In the traditional thin-head structure, uneven force on the product causes deformation and damage to the mold, and the cost of replacing the mold or cold heading block is high.
A new thin-pier structure is adopted to squeeze the spring through the ejector pin and gasket, and the pressure is transmitted to the upper support plate insert to avoid uneven force on the product. The spring pressure is adjusted by the set screw to meet the needs of different products. At the same time, the spring pushes the ejector frame to facilitate product removal.
Effectively reduce the risk of product deformation and damage, reduce the frequency and cost of mold replacement, and improve mold precision and service life.
Smart Images

Figure CN223440996U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold header technology field, concretely is a new type of thin structure. BACKGROUND
[0002] In manufacturing, the thinning process is a common processing method for changing the thickness or shape of materials to meet specific design requirements, please refer to Figures 1-2 , the traditional thinning structure includes lower film subassembly 1, upper die seat 2, upper backing plate 3, upper clamping plate 4, stop plate 5, upper supporting plate 6 and thinning punch 7, in actual use, the product is pressed by the thinning punch 7, so that the product stamping part rises, thereby locally elevating stop plate 5 and upper supporting plate 6, making stop plate 5 and upper supporting plate 6 locally unevenly stressed and deformed, damaging the mold structure and affecting the flatness and accuracy of the mold;
[0003] Through the search, a kind of pole thinning die (publication number: CN208787447U) is disclosed, by being embedded in the punch of son, thereby after the deformation of punch, the replacement of punch is realized, however, multiple replacement is caused by the damage of punch, resulting in cost increase;
[0004] Through the search, a kind of cold header cold header die (publication number: CN217018418U) is disclosed, by bolt to the fixation of cold header block, when cold header block wears, it can be conveniently replaced, however, multiple replacement is caused by the damage of cold header block, resulting in cost increase;
[0005] Therefore, we propose a new type of thinning structure. INVENTION CONTENTS
[0006] In view of the deficiencies of the prior art, the utility model provides a new type of thinning structure, which solves the problems raised in the above background art.
[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: a new type of thinning structure, including upper die seat, upper backing plate, upper clamping plate, stop plate, upper supporting plate and thinning punch, the upper backing plate is fixed at the lower part of upper die seat, the upper clamping plate is fixed at the lower part of upper backing plate, the stop plate is arranged below the upper clamping plate, the upper supporting plate is fixed at the lower part of stop plate, further comprising:
[0008] Upper clamping plate insert, the upper clamping plate insert is fixed in the middle of upper clamping plate, the upper part of thinning punch is fixed in the middle of upper clamping plate insert;
[0009] Upper supporting plate insert, the upper supporting plate insert is fixed in the middle of upper supporting plate, the lower part of thinning punch and upper supporting plate insert are slidingly connected;
[0010] The upper part of the two sets of ejector pins is slidably connected with the upper die plate and the upper clamping plate insert respectively, and the lower part of the ejector pin is threadedly connected with the upper supporting plate insert;
[0011] The two sets of spacers are slidably connected at the lower part of the upper die holder, and the two sets of spacers are located above the two sets of ejector pins;
[0012] The two sets of spring one are located inside the upper die holder, and the two sets of spring one are located above the two sets of spacers respectively;
[0013] The two sets of stop screws are threadedly connected at the upper part of the upper die holder, and the two sets of stop screws are located above the two sets of spring one respectively.
[0014] Further, the new thin structure further comprises:
[0015] The lower die assembly is arranged below the upper die holder, and the lower die assembly is used for placing the product.
[0016] Further, the upper die holder comprises:
[0017] The lower die holder;
[0018] The lower die plate is fixed at the upper part of the lower die holder;
[0019] The lower die plate is fixed at the upper part of the lower die plate.
[0020] Further, the upper die holder further comprises:
[0021] The lower die plate insert is embedded at the upper part of the lower die plate, and the lower die plate insert is located directly below the thin punch;
[0022] The plurality of positioning blocks are fixed at the upper part of the lower die plate, and the plurality of positioning blocks are distributed outside the product.
[0023] Further, the upper die holder further comprises:
[0024] The two sets of bottom plates are fixed at the upper part of the lower die holder, and the two sets of bottom plates are located on both sides of the lower die plate;
[0025] The two sets of telescopic rods are fixed at the upper part of the two sets of bottom plates;
[0026] The two sets of spring two are located outside the two sets of telescopic rods.
[0027] Further, the upper die holder further comprises:
[0028] The material lifting frame is embedded at the upper part of the lower die plate, the material lifting frame is located below the product, and the two ends of the material lifting frame are fixedly connected with the upper parts of the two sets of telescopic rods and the two sets of spring two respectively.
[0029] With respect to the above background art, the new pier thin structure provided by the present application includes an upper die holder, an upper backing plate, an upper clamping plate, a stop plate, an upper support plate, a pier thin punch, an upper clamping plate insert, an upper support plate insert, a ejector pin, a gasket, a spring one, a stop screw, and a lower die assembly. The pier thin punch is embedded into the product to obtain the desired product shape. The ejector pin and the gasket squeeze the spring one, and the pressure generated by the compression of the spring one is transmitted to the upper support plate insert, which can effectively avoid the problem of uneven stress on the product due to material swelling, and helps to reduce the risk of product deformation and damage.
[0030] The new pier thin structure provided by the present application has the following beneficial effects compared with the prior art:
[0031] 1. A new pier thin structure, which can effectively avoid the problem of uneven stress on the product due to material swelling, and helps to reduce the risk of product deformation and damage, and the position of the stop screw can be adjusted to allow the user to adjust the pressure of the spring one according to the needs, which can adapt to the needs of different products for pier thin pressure.
[0032] 2. A new pier thin structure, which can effectively avoid the problem of uneven stress on the product due to material swelling, and helps to reduce the risk of product deformation and damage, and the position of the stop screw can be adjusted to allow the user to adjust the pressure of the spring one according to the needs, which can adapt to the needs of different products for pier thin pressure. BRIEF DESCRIPTION OF DRAWINGS
[0033] Figure 1 It is a structural diagram of a traditional pier thin structure;
[0034] Figure 2 It is a sectional view of a traditional pier thin structure;
[0035] Figure 3 It is a structural diagram of a new pier thin structure;
[0036] Figure 4 It is a sectional view of a new pier thin structure;
[0037] Figure 5 It is a structural diagram of a lower die assembly in a new pier thin structure.
[0038] In the figure: 1, lower die assembly; 11, lower die holder; 12, lower backing plate; 13, lower die plate; 14, lower die plate insert; 15, positioning block; 16, bottom plate; 17, telescopic rod; 18, spring two; 19, material lifting frame; 2, upper die holder; 3, upper backing plate; 4, upper clamping plate; 5, stop plate; 6, upper support plate; 7, pier thin punch; 8, upper clamping plate insert; 9, upper support plate insert; 10, ejector pin; 101, gasket; 102, spring one; 103, stop screw. DETAILED DESCRIPTION
[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0040] Please refer to Figures 3-5 The utility model provides a kind of novel thin structure technical scheme: a kind of novel thin structure, including upper die seat 2, upper backing plate 3, upper clamping plate 4, stop plate 5, upper supporting plate 6, thin punch 7, upper clamping plate insert 8, upper supporting plate insert 9, ejector pin 10, gasket 101, spring one 102, stop screw 103 and lower die assembly 1, specifically, upper die seat 2, upper backing plate 3, upper clamping plate 4, stop plate 5, upper supporting plate 6, upper clamping plate insert 8 and upper supporting plate insert 9 move downwards, upper supporting plate insert 9 is pressed to product, upper clamping plate insert 8 and upper supporting plate insert 9 form solid structure, thin punch 7 is embedded in product interior, to obtain the product shape needed, ejector pin 10 and gasket 101 are extruded to spring one 102, and then the pressure generated by the compression of spring one 102 is transmitted to upper supporting plate insert 9 by ejector pin 10 and gasket 101, can effectively avoid the problem that product is unevenly stressed due to material expansion, help to reduce the risk of product deformation and damage;And the position of stop screw 103 can be adjusted, so as to adjust the pressure of spring one 102, can adapt to the demand of different products to thin pressure.
[0041] Upper die seat 2 includes lower die seat 11, lower backing plate 12, lower die plate 13, lower die plate insert 14, positioning block 15, bottom plate 16, telescopic rod 17, spring two 18 and material pushing frame 19, specifically, when upper supporting plate insert 9 is pressed to product, material pushing frame 19 enters the interior of lower die plate 13, and telescopic rod 17 and spring two 18 are extruded, after product is formed, spring two 18 pushes material pushing frame 19 and product upwards, so that product is convenient to take out.
[0042] Novel thin structure, in actual use, first, product is placed on material pushing frame 19, the position of product is limited by multiple positioning blocks 15, the position of stop screw 103 is adjusted according to product demand;
[0043] Further, the upper die holder 2, the upper die plate 3, the upper clamp plate 4, the stop plate 5, the upper support plate 6, the upper clamp plate insert 8 and the upper support plate insert 9 move downward, the upper support plate insert 9 presses the product, the upper clamp plate insert 8 and the upper support plate insert 9 form a solid structure, the pierce thin punch 7 is embedded in the product, thereby obtaining the required product shape, the ejector pin 10 and the gasket 101 extrude the spring 102, and then the pressure generated by the compression of the spring 102 by the ejector pin 10 and the gasket 101 is transmitted to the upper support plate insert 9.
Claims
1. A novel pier thinning structure, comprising an upper die base (2), an upper pad (3), an upper clamping plate (4), a stop plate (5), an upper supporting plate (6) and a pier thinning punch (7), wherein the upper pad (3) is fixed to the lower part of the upper die base (2), the upper clamping plate (4) is fixed to the lower part of the upper pad (3), the stop plate (5) is arranged below the upper clamping plate (4), and the upper supporting plate (6) is fixed to the lower part of the stop plate (5), characterized in that: Also includes: An upper splint insert (8), wherein the upper splint insert (8) is fixed in the middle of the upper splint (4), and the upper portion of the pier punch (7) is fixed in the middle of the upper splint insert (8); An upper support plate insert (9), wherein the upper support plate insert (9) is fixed in the middle of the upper support plate (6), and the lower portion of the pier thin punch (7) and the upper support plate insert (9) are slidably connected; Ejectors (10), wherein the upper portions of the two groups of ejectors (10) are respectively connected to the upper pad (3) and the upper splint insert (8) in a sliding manner, and the lower portions of the ejectors (10) are connected to the upper support plate insert (9) in a threaded manner; Gaskets (101), two groups of gaskets (101) are slidably connected to the lower part of the upper die base (2), and the two groups of gaskets (101) are located above the two groups of ejector pins (10); Spring one (102), two groups of spring one (102) are located inside the upper die base (2), and the two groups of spring one (102) are respectively located above the two groups of gaskets (101); The two sets of stop screws (103) are threadedly connected to the upper portion of the upper die base (2), and the two sets of stop screws (103) are respectively located above the two sets of springs (102).
2. A novel pier thin structure according to claim 1, characterized in that: Also includes: A lower mold assembly (1) is provided below the upper mold base (2), and the lower mold assembly (1) is used for placing products.
3. A novel pier thin structure according to claim 2, characterized in that: The upper die base (2) comprises: Lower die base (11); A lower pad (12), wherein the lower pad (12) is fixed to the upper portion of the lower die base (11); A lower template (13) is fixed to the upper portion of the lower pad (12).
4. A novel pier thin structure according to claim 3, characterized in that: The upper die seat (2) further comprises: A lower template insert (14), wherein the lower template insert (14) is embedded in the upper portion of the lower template (13), and the lower template insert (14) is located directly below the pier punch (7): Positioning blocks (15), multiple groups of the positioning blocks (15) are fixed on the upper part of the lower template (13), and multiple groups of the positioning blocks (15) are distributed outside the product.
5. The novel pier thin structure according to claim 3 is characterized in that: The upper die seat (2) further comprises: Bottom plates (16), two groups of the bottom plates (16) are fixed to the upper portion of the lower die base (11), and the two groups of bottom plates (16) are located on both sides of the lower pad (12); Telescopic rods (17), two groups of telescopic rods (17) are fixed on the upper parts of the two groups of bottom plates (16); Spring 2 (18), the two groups of spring 2 (18) are located outside the two groups of telescopic rods (17).
6. The novel pier thin structure according to claim 3 is characterized in that: The upper die seat (2) further comprises: The ejecting frame (19) is embedded in the upper part of the lower template (13), and the ejecting frame (19) is located below the product. The two ends of the ejecting frame (19) are respectively fixedly connected to the upper parts of the two groups of telescopic rods (17) and the two groups of springs (18).
Citation Information
Patent Citations
Utmost point pier moulding -die utensil
CN208787447U
Cold heading die of cold heading machine
CN217018418U