Device for precisely punching contact
By introducing a discharge plate and a reset mechanism into the contact punching device, combined with the design of hydraulic cylinders and springs, the problem of material embedding into the punch was solved, achieving high-precision and high-efficiency punching results and improving product quality.
Patent Information
- Application Number
- CN202422582881.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-10-24
AI Technical Summary
When punching highly ductile metal materials, existing contact punching devices often result in the material becoming embedded in the punch, leading to a decrease in punching quality and efficiency, as well as severe deformation in the edge areas.
A precision punching device was designed, which uses a discharge plate and a reset mechanism, combined with the drive of a hydraulic cylinder and a spring, to ensure that the material is discharged quickly after punching, and to achieve precise positioning and stable clamping of the material through the reaction force of the positioning plate and the spring.
It improves punching accuracy and efficiency, reduces material embedding in the punch, ensures continuous operation and consistency of products, and enhances punching quality.
Smart Images

Figure CN223655830U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of contact punching, especially relates to a device for precisely punching contact. BACKGROUND
[0002] The device for contact punching is usually called a precision punch or a high-speed precision punch, and is used in cooperation with a precision die, and the device can punch small parts such as metal contacts with high precision
[0003] The existing contact punching device mainly applies pressure through a punch to separate the material from the workpiece in a high-precision manner to form the required contact shape. However, in actual use, the contact material (usually copper, aluminum, or other high-ductility metals) will undergo significant plastic deformation under strong punching pressure due to its good plasticity and toughness, especially in the edge area, where the local deformation is more serious. This deformation can cause the material to adhere to or even embed in the punch, thereby affecting the punching quality. Therefore, it is necessary to redesign a device for precisely punching contacts to address the above problems. SUMMARY
[0004] The utility model discloses a device for precisely punching contacts to solve the problems in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A device for precisely punching contacts, comprising a base plate, a plurality of fixed rods are fixedly connected to the upper end of the base plate, a plurality of fixed rods are connected to the top plate at the end, a plurality of fixed rods are connected to the sliding plate on the outer wall, the lower end of the sliding plate is fixedly connected to the punch, the upper end of the base plate is fixedly connected to the base, the base is provided with a punching hole on the upper end surface, the punch is connected in the punching hole, the punch is connected with the discharge plate in the punch, and the reset mechanism for driving the discharge plate to reset is installed in the punch.
[0007] Preferably, the reset mechanism comprises a spring two fixedly connected to the inner top of the punch, and the other end of the spring two is fixedly connected with the discharge plate.
[0008] Preferably, the sliding plate is slidably connected with two groups of sliding rods, and the two groups of sliding rods are connected with the positioning plate, the positioning plate is provided with a positioning hole penetrating through the outer wall, and the punch is slidably connected in the positioning hole.
[0009] Preferably, the end of the two groups of sliding rods is fixedly connected with a limiting block, and the radius size of the limiting block is greater than the radius size of the sliding rod.
[0010] Preferably, the outer wall of the slide rod is sleeved with a spring one, one end of the spring one is fixedly connected with the end surface of the slide plate, and the other end of the spring one is fixedly connected with the lower end surface of the limiting block.
[0011] Preferably, the upper end surface of the top plate is fixedly connected with a hydraulic oil cylinder, and the telescopic end of the hydraulic oil cylinder penetrates through the top plate and is fixedly connected with the end surface of the slide plate.
[0012] Preferably, the outer wall of the discharge plate is arc-shaped and in contact with the inner wall of the punch.
[0013] Preferably, the outer wall of the positioning plate is provided with a non-slip pad and is in contact with the end surface of the base.
[0014] The utility model has the following beneficial effects:
[0015] 1. The utility model discloses a reset mechanism of discharge plate and spring two are arranged in the punch, in the punching process, the material is pushed and pressed by the discharge plate, avoids the material to embed the punch interior, after the spring two reset, the discharge plate can export the cut waste material or finished product rapidly, guarantees the continuous operation of equipment, avoids the material of separation and embeds the punch, influences the problem of blanking quality and efficiency, guarantees the punching precision and the consistency of product.
[0016] 2. The utility model discloses that the slide plate and positioning plate are driven to move down by the hydraulic oil cylinder, and the positioning plate provides stable reaction force through the compression spring one, so that the contact material is accurately positioned before punching, the reaction force of the compression spring one ensures that the contact material does not displace in the punching process, improves the blanking precision, reduces the local deformation problem of the edge area, and further improves the product quality. DRAWINGS
[0017] Figure 1 The utility model provides a kind of structure schematic view of the device of accurate punching contact;
[0018] Figure 2 For Figure 1 The structure schematic view of slide plate, bottom plate and base.
[0019] Figure 3 For Figure 1 The structure schematic view of slide plate and positioning plate and the like components.
[0020] Figure 4 For Figure 3 The structure schematic view of positioning plate, slide rod and spring and the like components.
[0021] Figure 5 For Figure 3 The sectional view of punch.
[0022] In the figure: 1, bottom plate; 2, fixed rod; 3, top plate; 4, hydraulic oil cylinder; 5, sliding plate; 6, base; 7, punching hole; 8, punch; 9, positioning plate; 10, positioning hole; 11, sliding rod; 12, limiting block; 13, spring I; 14, discharge plate; 15, spring II. DETAILED DESCRIPTION
[0023] 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.
[0024] Referring to Figures 1-5 A device for accurately punching contacts, comprising a bottom plate 1, a plurality of fixed rods 2 are fixedly connected to the upper end of the bottom plate 1, a top plate 3 is connected to the end of the plurality of fixed rods 2, a sliding plate 5 is slidably connected to the outer wall of the plurality of fixed rods 2, a punch 8 is fixedly connected to the lower end of the sliding plate 5, a base 6 is fixedly connected to the upper end of the bottom plate 1, a punching hole 7 is formed in the upper end surface of the base 6, the punch 8 is slidably connected inside the punching hole 7, a discharge plate 14 is slidably connected inside the punch 8, a reset mechanism for resetting the discharge plate 14 is installed in the punch 8, the reset mechanism comprises a spring II 15 fixedly connected to the top of the punch 8, and the other end of the spring II 15 is fixedly connected with the discharge plate 14; the punch 8 is provided with the discharge plate 14, and the design that the discharge plate 14 is reset through the spring II 15 can quickly discharge the material from the punch 8 after punching, so that the material is prevented from being embedded in the punch 8.
[0025] Two sliding rods 11 are slidably connected to the outer wall of the sliding plate 5, a positioning plate 9 is connected to the two sliding rods 11, positioning holes 10 are formed through the outer wall of the positioning plate 9, the punch 8 is slidably connected inside the positioning hole 10, limiting blocks 12 are fixedly connected to the end of the two sliding rods 11, the radius size of the limiting blocks 12 is greater than the radius size of the sliding rods 11, spring I 13 is sleeved on the outer wall of the sliding rods 11, one end of the spring I 13 is fixedly connected with the end surface of the sliding plate 5, and the other end of the spring I 13 is fixedly connected with the lower end surface of the limiting block 12; when the contacts are punched, the positioning plate 9 is arranged to be in contact with the end surface of the contacts in advance, and then the spring I 13 is arranged to be compressed, so as to position the contacts and improve the subsequent punching effect.
[0026] A hydraulic oil cylinder 4 is fixedly connected to the upper end surface of the top plate 3, the telescopic end of the hydraulic oil cylinder 4 is fixedly connected with the end surface of the sliding plate 5 through the top plate 3, the outer wall of the discharge plate 14 is arc-shaped and in contact with the inner wall of the punch 8, an anti-skid pad is installed on the outer wall of the positioning plate 9 and in contact with the end surface of the base 6.
[0027] The utility model discloses a device, and the device is used for the cutting of contact material, and the device comprises a base 6, a hydraulic cylinder 4, a slide plate 5, a punch 8, a punch hole 7, a positioning plate 9 and a spring 13.
[0028] Subsequently, the hydraulic cylinder 4 continues to drive the punch 8 to move downwards, the punch 8 slides into the punch hole 7 and contacts the contact material, under the action of the pressure applied by the punch 8, the contact material is separated and forms the required contact shape, and in the process, the separated material contacts the discharge plate 14 and compresses the spring 15, after the cutting is completed, the spring 15 resets, the discharge plate 14 rapidly rebounds in the punch 8, the cut waste or finished material is discharged from the punch 8, and the continuous working efficiency of the equipment is ensured.
[0029] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.
Claims
1. An apparatus for precision punching contacts, comprising a base plate (1), characterized in that, The bottom plate (1) upper end fixedly connected with a plurality of groups of fixed rod (2), a plurality of groups of fixed rod (2) end common connection has a top plate (3), a plurality of groups of fixed rod (2) outer wall common sliding connection has a sliding plate (5), the sliding plate (5) lower end fixedly connected with a punch (8), the bottom plate (1) upper end fixedly connected with a base (6), the base (6) upper end face is provided with a punching hole (7), the punch (8) is connected in the punching hole (7) inside, the punch (8) is connected with a discharge plate (14) in sliding, the punch (8) is provided with reset mechanism for driving discharge plate (14) reset.
2. A device for precision die cutting contacts as defined in claim 1, wherein, The reset mechanism includes spring two (15) fixedly connected in the punch (8) top, the other end of spring two (15) is fixedly connected with discharge plate (14).
3. An apparatus for precision die cutting contacts as defined in claim 2 wherein, The sliding plate (5) outer wall slidingly connected with two groups of slide rod (11), two groups of slide rod (11) are connected with a positioning plate (9), the positioning plate (9) outer wall is provided with a positioning hole (10), the punch (8) is connected in the positioning hole (10) inside.
4. An apparatus for precision die cutting contacts as defined in claim 3 wherein, Two groups of slide rod (11) end are fixedly connected with a limit block (12), the limit block (12) radius size is greater than the radius size of slide rod (11).
5. An apparatus for precision die cutting contacts as defined in claim 4 wherein, The slide rod (11) outer wall is provided with spring one (13), one end of spring one (13) is fixedly connected with the end surface of sliding plate (5), the other end of spring one (13) is fixedly connected with the lower end surface of limit block (12).
6. An apparatus for precision die cutting contacts as defined in claim 5 wherein, The top plate (3) upper end fixedly connected with a hydraulic oil cylinder (4), the hydraulic oil cylinder (4) telescopic end penetrates the top plate (3) and is fixedly connected with the end surface of sliding plate (5).
7. An apparatus for precision die cutting contacts as defined in claim 6 wherein, The outer wall of the discharge plate (14) is arc-shaped and in contact with the inner wall of the punch (8).
8. An apparatus for precision die cutting contacts as defined in claim 7, wherein, The outer wall of the positioning plate (9) is provided with a non-slip pad, and the end surface of the base (6) is in contact.