Die for forming negative angle by folding and inclining material belt
By designing a mold that uses the tape to form negative angles, the problems of unstable and high cost of existing stamping molds have been solved, and the product qualification rate has been improved and the mold development and production costs have been reduced.
Patent Information
- Application Number
- CN202421507025.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In the process of forming the tape, existing stamping molds have problems such as unstable forming, low product qualification rate and high mold development and production costs.
A mold with a tape folded oblique molding of negative angles is designed, and the molding module components are successively fixed to the upper deplate and lower templates, and the negative angle forming is completed by five-step processing steps.
The mold has a simple structure and wide applicability, which can improve the product qualification rate and reduce mold development and production costs.
Smart Images
Figure CN222767128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamping dies, in particular to a die for forming a negative angle by folding and obliquely forming a material strip. Background Art
[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die-casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. Among them, the stamping die is a special process equipment that processes the material into parts in the cold stamping process, called a cold stamping die. Stamping is a pressure processing method that uses a mold installed on a press to apply pressure to the material at room temperature to cause it to separate or plastically deform, thereby obtaining the desired parts. Utility Model Content
[0003] In order to overcome the above defects, the utility model provides a mold that utilizes the material strip to fold and form a negative angle. The specific technical solution is as follows:
[0004] A mold that utilizes the folding and beveling of a material strip to form a negative angle, the mold comprising a forming module assembly; the forming module assembly comprises an upward beveling forming assembly, a bending forming module assembly, a downward beveling forming assembly, a negative angle forming assembly, and a flattening forming assembly; the forming module assembly is fixed in an upper stripping plate and a lower template in sequence.
[0005] The mold includes an upper mold and a lower mold, the upper mold includes an upper mold base, an upper pad, an upper clamping plate, a stop plate, and an upper stripping plate arranged in sequence from top to bottom; the lower mold includes a lower mold plate, a lower pad, and a lower mold base arranged in sequence from top to bottom; the molding module assembly is fixed in the upper stripping plate and the lower mold plate.
[0006] Preferably, the upper die seat and the upper pad, the upper pad and the upper clamping plate are connected by upper die screws and upper die positioning pins; the stop plate and the upper stripping plate are connected by locking nuts;
[0007] The lower mold plate and the lower pad, and the lower pad and the lower mold base are connected through lower mold screws and lower mold locating pins.
[0008] The upward bevel forming assembly comprises an upper die bevel forming module, a lower die bevel forming module, and a lower die floating block module;
[0009] Among them, the upper die bevel molding module is fixed to the upper stripping plate, and the lower die bevel molding module and the lower die floating block module are fixed to the lower template; the upper die bevel molding module and the lower die floating block module are horizontally provided with matching fixing surfaces, and the upper die bevel molding module and the lower die bevel molding module are inclinedly provided with matching bevel processing surfaces; the inclination angle of the bevel processing surfaces of the upper die bevel molding module and the lower die bevel molding module is 30 to 45 degrees. A spring is fixed at the bottom of the lower die floating block module.
[0010] The bending and forming module assembly includes an upper mold bending and forming module, a lower mold bending and forming module, and a lower mold floating block module;
[0011] The upper die bending and forming module is fixed to the upper stripping plate, and the lower die bending and forming module and the lower die floating block module are fixed to the lower supporting plate; the upper die bending and forming module and the lower die floating block module are horizontally provided with matching fixing surfaces, and the upper die bending and forming module and the lower die bending and forming module are vertically provided with bending processing surfaces. A spring is fixed at the bottom of the lower die floating block module.
[0012] The downward bevel forming assembly comprises an upper die bevel forming module and a lower die bevel forming module;
[0013] Among them, the upper die bevel forming module is fixed to the upper stripping plate, and the lower die bevel forming module is fixed to the lower supporting plate; the upper die bevel forming module and the lower die bevel forming module are inclinedly provided with matching bevel processing surfaces.
[0014] Preferably, the inclination angle of the beveled surfaces of the upper die beveled forming module and the lower die beveled forming module is 40 to 89°.
[0015] The negative angle forming assembly comprises an upper die negative angle forming module, an upper die stripping module, a lower die floating block module, and a lower die negative angle forming module;
[0016] Among them, the upper mold negative angle forming module and the upper mold stripping module are fixed to the upper stripping plate, and the lower mold floating block module and the lower mold negative angle forming module are fixed to the lower supporting plate; the upper mold negative angle forming module and the lower mold negative angle forming module are inclinedly provided with matching fixing surfaces; the upper mold negative angle forming module and the lower mold floating block module are vertically provided with matching negative angle forming surfaces. A spring is fixed at the bottom of the lower mold floating block module.
[0017] The flattening and forming assembly comprises an upper die flattening and forming module and a lower die flattening and forming module;
[0018] Among them, the upper mold flattening and molding module is fixed to the upper stripping plate, and the lower mold flattening and molding module is fixed to the lower mold plate; the upper mold flattening and molding module and the lower mold flattening and molding module are horizontally provided with a flattening processing surface.
[0019] Beneficial Effects
[0020] The present invention provides a die for forming a negative angle by folding a material strip. The stamping die structure fixes the forming module components in the upper stripping plate and the lower template in sequence, and the negative angle forming can be completed through a five-step processing procedure. The die structure is simple and has a wide applicability, which can improve the qualified rate of products and greatly reduce the cost of die development and production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of a novel mold process design structure for forming a negative angle by using a material strip folding and oblique forming according to the utility model;
[0022] Figure 2 This is a schematic diagram of the product after molding;
[0023] Figure 3 To bevel the forming components upwards
[0024] Figure 4 For bending and forming module components
[0025] Figure 5 To bevel the forming components downwards
[0026] Figure 6 Negative angle molding components
[0027] Figure 7 For flat forming components
[0028] The following are marked in the figure:
[0029] 1——Upper die seat
[0030] 2——Upper pad
[0031] 3 - Upper splint
[0032] 4——Stop plate
[0033] 5——Upper board
[0034] 6——Download Template
[0035] 7——Lower pad
[0036] 8——Lower die seat
[0037] 9——Step down
[0038] 10——Lower support plate
[0039] 11——Trial mold strip
[0040] 12 - Guide pin assembly
[0041] 13——Location pin of upper die
[0042] 14—— Upper die screw
[0043] 15——Contour sleeve assembly
[0044] 16——Location pin of lower die
[0045] 17 - Spring
[0046] 18——PS locking
[0047] 19 - Guide pillar
[0048] A-1——Upper die bevel forming module,
[0049] A-2——Lower mold floating block module
[0050] A-3——Lower die bevel forming module
[0051] B-1——Upper die bending module
[0052] B-2——Lower mold floating block module
[0053] B-3——Bending and forming module of lower die
[0054] C-1——Upper die bevel forming module
[0055] C-2——Lower die bevel forming module
[0056] D-1——Upper die negative angle forming module
[0057] D-2——Upper mold stripping module
[0058] D-3——Lower die negative angle forming module
[0059] D-4——Lower mold floating block module
[0060] E-1——Upper mold flat forming module
[0061] E-2——Lower die flattening module DETAILED DESCRIPTION
[0062] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0063] Example
[0064] The present invention provides a mold for forming a negative angle by using a material strip folding and oblique forming. Figure 1 Introduce the structure and connection relationship of the mold:
[0065] The mold provided in this embodiment is composed of 1 upper mold base, 2 upper pad, 3 upper clamp, 4 stop plate, 5 upper stripping plate, 6 lower mold plate, 7 lower pad, 8 lower mold base, 9 lower foot, 10 lower support plate, 11 trial mold material strip, 12 guide pin, 13 upper mold locating pin, 14 upper mold screw, 15 equal height sleeve, 16 lower mold locating pin, 17 spring, 18 PPS, PS locking screw, 19 guide column and molding module assembly.
[0066] The molding module assembly includes an upward bevel molding assembly, a bending molding module assembly, a downward bevel molding assembly, a negative angle molding assembly, and a flat molding assembly; the molding module assembly is fixed in the upper stripping plate and the lower template according to the processing procedure;
[0067] The upward bevel forming assembly comprises an upper die bevel forming module, a lower die bevel forming module, and a lower die floating block module;
[0068] Among them, the upper die bevel forming module is fixed to the upper stripping plate, and the lower die bevel forming module and the lower die floating block module are fixed to the lower template; the upper die bevel forming module and the lower die floating block module are horizontally provided with matching fixed surfaces, and the upper die bevel forming module and the lower die bevel forming module are inclinedly provided with matching bevel processing surfaces; the bevel processing surfaces of the upper die bevel forming module and the lower die bevel forming module have an inclination angle of 30 to 45°. The purpose of the bevel angle here is to bevel the material belt for the first time, so as to facilitate the next step of 90° bending; a spring is fixed at the bottom of the lower die floating block assembly;
[0069] The bending and forming module assembly comprises an upper die bending and forming module, a lower die bending and forming module, and a lower die floating block module.
[0070] The upper die bending and forming module is fixed to the upper stripping plate, and the lower die bending and forming module and the lower die floating block module are fixed to the lower supporting plate; the upper die bending and forming module and the lower die floating block module are horizontally provided with matching fixing surfaces, and the upper die bending and forming module and the lower die bending and forming module are vertically provided with bending processing surfaces. The bending forming here is to bend the material strip to a state of 90°; a spring is fixed at the bottom of the lower die floating block assembly;
[0071] The downward bevel forming assembly comprises an upper die bevel forming module and a lower die bevel forming module;
[0072] The upper die bevel forming module is fixed to the upper stripping plate, and the lower die bevel forming module is fixed to the lower support plate; the upper die bevel forming module and the lower die bevel forming module are inclinedly provided with matching bevel processing surfaces. The bevel angle of the upper die bevel forming module and the lower die bevel forming module is the degree of the negative angle of the product forming, and the bevel angle is 40 to 89 degrees. In the embodiment of the present invention, the bevel angle is 70 degrees;
[0073] The negative angle forming assembly comprises an upper die negative angle forming module, an upper die stripping module, a lower die floating block module, and a lower die negative angle forming module;
[0074] Among them, the upper mold negative angle forming module and the upper mold stripping module are fixed to the upper stripping plate, and the lower mold floating block module and the lower mold negative angle forming module are fixed to the lower supporting plate; the upper mold negative angle forming module and the lower mold negative angle forming module are inclinedly provided with matching fixing surfaces; the upper mold negative angle forming module and the lower mold floating block module are vertically provided with matching negative angle forming surfaces. A spring is fixed at the bottom of the lower mold floating block assembly;
[0075] The flattening and forming assembly comprises an upper die flattening and forming module and a lower die flattening and forming module.
[0076] Among them, the upper mold flattening and molding module is fixed to the upper stripping plate, and the lower mold flattening and molding module is fixed to the lower mold plate; the upper mold flattening and molding module and the lower mold flattening and molding module are horizontally provided with a flattening processing surface.
[0077] The mold comprises an upper mold and a lower mold;
[0078] The upper die comprises an upper die seat, an upper pad, an upper clamping plate, a stripping back plate, and an upper stripping plate, which are arranged in sequence from top to bottom;
[0079] The upper die seat is connected to the upper pad and the upper clamping plate through the upper die screw and the upper die positioning pin; one end of the spring is connected to the upper die seat; one end of the contour sleeve assembly extends into the upper die seat;
[0080] The upper pad is connected to the upper die seat and the upper clamping plate through the upper die screw and the upper die positioning pin; one end of the guide column is fixed in the upper pad, and the equal height sleeve assembly is located in the upper pad;
[0081] The upper clamping plate is connected to the upper die seat and the upper pad through the upper die screws and the upper die positioning pins; the guide pillar and the equal height sleeve are fixed in the upper clamping plate;
[0082] The stop plate is connected to the upper stripping plate through a PPS locking nut; the guide pin and its accessories are assembled on the stop plate and the upper stripping plate to achieve equidistant transmission of the material strip; the guide post passes through the stop plate;
[0083] The upper stripping plate is connected to the stop plate through PPS, PS locking nuts; the top surface of the stop plate is connected to a spring to provide power for the sliding of the stop plate and the upper stripping plate; the molding module assembly is assembled in the upper stripping plate and the lower template;
[0084] The lower die comprises a lower die plate, a lower pad, a lower die seat, a lower pad, and a lower support plate which are arranged in sequence from top to bottom;
[0085] The lower mold plate is connected to the lower plate and the lower mold seat through the lower mold screws and the lower mold positioning pins; the molding module assembly is assembled in the upper stripping plate and the lower mold plate; the guide column passes through the lower mold plate;
[0086] The lower pad is connected with the lower mold plate and the lower mold seat through the lower mold screw and the lower mold positioning pin; the lower end of the guide column falls into the lower pad to connect the upper mold and the lower mold; the lower mold seat is connected with the lower pad and the lower support plate.
[0087] The present invention provides a mold for forming a negative angle by using a material strip folding and oblique forming. Figure 1 Introduce the production process of the mold:
[0088] Before production, fix the upper die to the upper table of the punch press and the lower die to the lower table of the punch press in the closed mold state.
[0089] During production, the material strip is placed in the open mold, and then the punch press is started, which drives the upper mold to move downward;
[0090] Step 1: beveling the strip upward: the strip enters process 1, the upper die of the mold moves downward and closes with the lower die, and the molding module components installed in the upper and lower dies beveling the strip upward; the beveling angle is 30-45°; the mold opens, and the strip enters the next molding process;
[0091] Step 2, bend the strip upward 90 degrees: the strip enters process 2, the upper die of the mold moves downward and closes with the lower die, and the forming module assembly installed in the upper and lower dies bends the strip upward 90 degrees; the mold opens, and the strip enters the next forming process;
[0092] Step 3: bevel the strip downward, and the strip enters process 3. The upper mold of the mold moves downward and closes with the lower mold. The molding module assembly installed in the upper mold and the lower mold bevels the strip downward; the bevel angle is complementary to the negative angle of the product. In the embodiment provided by the present invention, the bevel angle is 40-89°; the mold is opened, and the strip enters the next molding process;
[0093] Step 4: forming a negative angle upwards, the strip enters process 4, the upper die of the mold moves downwards and closes with the lower die, and the forming module components installed in the upper and lower dies perform a negative angle forming process on the strip upwards; the mold opens, and the strip enters the next forming process;
[0094] Step 5: Smooth the folded strip. The strip enters process 5. The upper mold moves downward and closes the lower mold. The forming module components installed in the upper and lower molds fold and smooth the strip. The mold opens and the product is formed.
Claims
1. A mold for forming a negative angle by folding a strip, characterized in that: The mold includes a molding module assembly; The molding module assembly includes an upward bevel molding assembly, a bending molding module assembly, a downward bevel molding assembly, a negative angle molding assembly, and a flat molding assembly; The forming module components are fixed in the upper stripping plate and the lower template in sequence.
2. The mold according to claim 1, characterized in that The mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold base, an upper pad, an upper clamping plate, a stop plate, and an upper stripping plate arranged in sequence from top to bottom; The lower die comprises a lower die plate, a lower pad, and a lower die seat which are arranged in sequence from top to bottom; The forming module assembly is fixed in the upper stripping plate and the lower template.
3. The mold according to claim 2, characterized in that The upper die seat and the upper pad, the upper pad and the upper clamping plate are connected by the upper die screws and the upper die positioning pins; the stop plate and the upper stripping plate are connected by the locking nut; The lower mold plate and the lower pad, and the lower pad and the lower mold base are connected through lower mold screws and lower mold locating pins.
4. The mold according to claim 1, characterized in that The upward bevel forming assembly comprises an upper die bevel forming module, a lower die bevel forming module, and a lower die floating block module; Among them, the upper mold bevel forming module is fixed to the upper stripping plate, and the lower mold bevel forming module and the lower mold floating block module are fixed to the lower mold plate; the upper mold bevel forming module and the lower mold floating block module are horizontally provided with matching fixed surfaces, and the upper mold bevel forming module and the lower mold bevel forming module are inclinedly provided with matching bevel processing surfaces; the inclination angle of the bevel processing surfaces of the upper mold bevel forming module and the lower mold bevel forming module is 30 to 45°.
5. The mold according to claim 1, characterized in that The bending and forming module assembly includes an upper mold bending and forming module, a lower mold bending and forming module, and a lower mold floating block module; Among them, the upper mold bending and forming module is fixed on the upper stripping plate, and the lower mold bending and forming module and the lower mold floating block module are fixed on the lower support plate; the upper mold bending and forming module and the lower mold floating block module are horizontally provided with matching fixing surfaces, and the upper mold bending and forming module and the lower mold bending and forming module are vertically provided with bending processing surfaces.
6. The mold according to claim 1, characterized in that The downward bevel forming assembly comprises an upper die bevel forming module and a lower die bevel forming module; Among them, the upper die bevel forming module is fixed to the upper stripping plate, and the lower die bevel forming module is fixed to the lower supporting plate; the upper die bevel forming module and the lower die bevel forming module are inclinedly provided with matching bevel processing surfaces.
7. The mold according to claim 6, characterized in that The inclination angles of the beveled surfaces of the upper die beveled forming module and the lower die beveled forming module are 40 to 89 degrees.
8. The mold according to claim 1, characterized in that The negative angle forming assembly comprises an upper die negative angle forming module, an upper die stripping module, a lower die floating block module, and a lower die negative angle forming module; Among them, the upper mold negative angle forming module and the upper mold stripping module are fixed to the upper stripping plate, and the lower mold floating block module and the lower mold negative angle forming module are fixed to the lower support plate; the upper mold negative angle forming module and the lower mold negative angle forming module are inclinedly provided with matching fixed surfaces; the upper mold negative angle forming module and the lower mold floating block module are vertically provided with matching negative angle forming surfaces.
9. The mold according to claim 1, characterized in that: The flattening and forming assembly comprises an upper die flattening and forming module and a lower die flattening and forming module; Among them, the upper mold flattening and molding module is fixed to the upper stripping plate, and the lower mold flattening and molding module is fixed to the lower mold plate; the upper mold flattening and molding module and the lower mold flattening and molding module are horizontally provided with a flattening processing surface.
10. The mold according to any one of claims 4, 5 and 8, characterized in that: A spring is fixed at the bottom of the lower mold floating block module.