Large-rotation stamping die with elastic positioning contact pin structure
The large rotary stamping die with elastic positioning pin structure, servo motor driven lower die swing and cylinder push-pull die solves the problem of low efficiency of existing dies when processing iron cores with uneven thickness, realizes multi-angle adjustment and multiple stamping, and improves processing efficiency and precision.
Patent Information
- Application Number
- CN202422751215.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-12
AI Technical Summary
When processing iron cores with uneven thickness, existing stamping dies are difficult to achieve multiple stampings and flexible adjustment of the die position, resulting in low processing efficiency.
A large rotary stamping die with an elastic positioning pin structure is used. The servo motor drives the lower die to swing and the cylinder pushes and pulls the die. Combined with the design of springs and limit slots, multi-angle adjustment and multiple stamping of the die can be achieved.
The multi-angle adjustment and multiple stamping of the mold are realized, which improves the efficiency and precision of iron core processing and adapts to the processing requirements of iron cores of different thicknesses.
Smart Images
Figure CN223454950U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stator processing technical field, concretely is a big rotary stamping die with elastic positioning pin structure. BACKGROUND
[0002] The stator and the fixed component inside the motor are distinguished from the rotation of the rotor, and the stator is composed of a core, a winding coil and a base, and a magnetic field can be generated for the rotation of the rotor after being energized. The thickness of the stator determines the weight of the motor. In order to stack metal sheets together to form a core structure, a stamping die needs to be used.
[0003] The stamping die in the prior art is mostly composed of an upper die and a lower die. The lower die is fixed in position, and the upper die is installed at the bottom of the piston rod of a hydraulic cylinder and is pressed on the top of the lower die as the piston rod sinks. However, the outer contour of the core is not flat, and the different grooves inside and outside also need to be stamped multiple times, making it difficult to reprocess the core with excessive thickness.
[0004] Now, a new type of big rotary stamping die with elastic positioning pin structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a big rotary stamping die with elastic positioning pin structure to solve the problem of single stamping mode in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a big rotary stamping die with elastic positioning pin structure, comprising an upper die and a lower die, three groups of insertion slots are respectively arranged at the upper and lower parts of the inside of the upper die, three groups of pins are respectively fixed at the upper and lower parts of the front end of the lower die, springs are sleeved on the outside of the pins, left limiting grooves are respectively arranged at the upper and lower parts of the left side of the inside of the upper die, right limiting grooves are respectively arranged at the upper and lower parts of the right side of the inside of the upper die, left positioning holes are respectively arranged at the upper and lower parts of the left side of the inside of the lower die, right positioning holes are respectively arranged at the upper and lower parts of the right side of the inside of the lower die, and microswitches are respectively installed at the top and bottom of the front end of the upper die.
[0007] Preferably, a servo motor is arranged at the rear of the lower die, and the transmission shaft of the servo motor is fixedly connected with the center of the back of the lower die.
[0008] Preferably, the insertion slots can be sleeved on the outside of the pins, and the springs are in contact between the upper die and the lower die.
[0009] Preferably, the inner diameters of the left limiting grooves and the left positioning holes are the same, and the inner diameters of the right limiting grooves and the right positioning holes are the same.
[0010] Preferably, two groups of air cylinders are installed at the center of the left side of the upper die, and a left pressing die is fixed between the right sides of the piston rods of the air cylinders, a right pressing die is installed at the right side of the front end of the upper die, a middle pressing die is installed at the center of the front end of the upper die, a slide is arranged between the left and right sides of the center of the front end of the lower die, a metal track is welded to the left side of the center of the lower die, and a left bottom die is installed in the metal track, a right bottom die is installed at the right side of the inside of the slide, and a middle bottom die is installed at the center of the slide.
[0011] Preferably, the air cylinders can horizontally push and pull the left pressing die, the orientation of the left pressing die corresponds to that of the left bottom die, and the orientation of the right pressing die corresponds to that of the right bottom die.
[0012] Preferably, two groups of frames are arranged at the center of the front end of the upper die, horizontal grooves are formed between the frames, and bolts are assembled between the frames and the upper die.
[0013] Preferably, four groups of assembly grooves one are arranged at the top and bottom of the inside of the upper die respectively, four groups of assembly grooves two are arranged at the top and bottom of the inside of the lower die respectively, and connecting rods are fixed in the assembly grooves one and the assembly grooves two respectively.
[0014] Compared with the prior art, the elastic positioning pin structure of the large-rotation stamping die has the advantages that the large-rotation stamping die with the elastic positioning pin structure not only realizes multi-die stamping, adjusts the position of the stamping die, and facilitates the installation and fixation of the upper die and the lower die.
[0015] (1) The servo motor is arranged at the rear of the lower die, the upper die is positioned in the upper space of the lower die by the mechanical arm, the orientation of the lower die is determined by the connected servo motor, the lower die can swing left and right to force the middle bottom die to be attached to the middle pressing die and to cut and stamp the metal material layer by layer to gradually form a standard electronic iron core, the left pressing die connected by the air cylinder can move left and right to adjust the stamping position of the left pressing die and the lower left bottom die, and can be fixed like the right pressing die and the right bottom die, the processing mode of the die can be enriched, the stamping position is adjusted in the mode that the upper die vertically stamps and the lower die swings left and right, the insertion groove and the insertion pin are used as the limit between the upper die and the lower die, and the spring sleeved outside the insertion pin can quickly lift the upper die.
[0016] (2) Two groups of air cylinders are installed at the center of the left side of the upper die, the left pressing die and the right pressing die on the other side connected by the air cylinders are embedded between the two groups of frames, the movement of the left pressing die is limited by the frames, the surface of the lower die is also provided with a metal track to limit the sliding of the left bottom die, and after being fixed respectively, the lower die is rotated in a rotary manner and subjected to stamping processing of the upper die, so that the positions of the dies installed respectively are avoided from being misaligned.
[0017] (3) through the top, bottom of the upper die inside each set of four assembly slot one, the top and bottom of the upper die inside are fixed by assembly slot one and the upper piston rod and so on, with the lifting of the hydraulic cylinder, in different orientation adjustment of the upper die down when the orientation, the bottom of the lower die is also provided with assembly slot two, but no need to fix, only by servo motor adjustment of the lower die steering, if not need to turn stamping, through the assembly slot two also can fix the lower die for other types of stamping, convenient die reuse. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the upper die front view cross section structure schematic diagram of the utility model;
[0019] Figure 2 It is the lower die front view cross section structure schematic diagram of the utility model;
[0020] Figure 3 It is the utility model's Figure 1 It is the utility model's middle A place local section enlarged structure schematic diagram;
[0021] Figure 4 It is the utility model's Figure 1 It is the utility model's middle B place local section enlarged structure schematic diagram.
[0022] In the drawing: 1, upper die; 2, slot; 3, left limit slot; 4, cylinder; 5, horizontal slot; 6, assembly slot one; 7, connecting rod; 8, frame; 9, bolt; 10, micro switch; 11, right limit slot; 12, right pressing die; 13, middle pressing die; 14, left pressing die; 15, servo motor; 16, left positioning hole; 17, lower die; 18, pin; 19, assembly slot two; 20, metal track; 21, left bottom die; 22, middle bottom die; 23, right positioning hole; 24, right bottom die; 25, slide; 26, spring. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Please refer to Figures 1-4The utility model provides a kind of embodiment with elastic positioning pin structure of big rotary punch press die, including upper die 1 and lower die 17, the upper side of inside upper die 1 and the lower side are respectively provided with three groups of insertion slot 2, the upper side of front end of lower die 17 and the lower side are respectively fixed with three groups of pin 18, and the outside of pin 18 is sleeved with spring 26, the upper side of left side in inside upper die 1 and the lower side are respectively provided with left limit slot 3, the upper side of right side in inside upper die 1 and the lower side are respectively provided with right limit slot 11, the upper side of left side in inside lower die 17 and the lower side are respectively provided with left positioning hole 16, the upper side of right side in inside lower die 17 and the lower side are respectively provided with right positioning hole 23, the top and bottom of front end of upper die 1 are respectively equipped with microswitch 10;
[0025] The rear of lower die 17 is provided with servo motor 15, and the transmission shaft of servo motor 15 is fixedly connected with the center of the back of lower die 17, insertion slot 2 can be sleeved outside pin 18, spring 26 contacts between upper die 1 and lower die 17, the inner diameter of left limit slot 3 and left positioning hole 16 is same, the inner diameter of right limit slot 11 and right positioning hole 23 is same;
[0026] Specifically, as shown in Figure 1 And Figure 2 Upper die 1 is positioned in the upper space of lower die 17 by mechanical arm, the orientation of lower die 17 is determined by connected servo motor 15, left and right swing lower die 17 forces middle bottom die 22 to adhere to middle pressure die 13 and carries out punch shearing to a layer of metal material, gradually forms standard electronic iron core, left pressure die 14 connected by cylinder 4 can move left pressure die 14 left and right, can adjust the punch position of left pressure die 14 and lower left bottom die 21, also can be fixed like right pressure die 12 and right bottom die 24, can enrich the processing mode of die, the punch position is adjusted by the mode of vertical punch of upper die 1 and left and right swing of lower die 17.
[0027] Two groups of cylinders 4 are installed at the center of left side of upper die 1, and the piston rod right side between cylinder 4 is fixed with left pressure die 14, right pressure die 12 is installed at the right side of front end of upper die 1, middle pressure die 13 is installed at the center of front end of upper die 1, slide 25 is arranged between the two sides at the center of front end of lower die 17, metal track 20 is welded at the center of left side of lower die 17, and left bottom die 21 is installed in metal track 20, right bottom die 24 is installed at the right side in slide 25, and middle bottom die 22 is installed at the center of slide 25;
[0028] Cylinder 4 can horizontally push and pull left pressure die 14, the orientation of left pressure die 14 corresponds with left bottom die 21, the orientation of right pressure die 12 corresponds with right bottom die 24, two groups of frames 8 are arranged at the center of front end of upper die 1, horizontal groove 5 is formed between frame 8, and bolt 9 is assembled between frame 8 and upper die 1;
[0029] Specifically, as shown in Figure 1 ,Figure 3 and Figure 4 As shown, the left die 14 connected to the cylinder 4 and the right die 12 on the other side are both embedded between the two sets of frames 8. The movement of the left die 14 is restricted by the frame 8. The left side of the surface of the lower die 17 is also provided with a metal track 20 to limit the sliding of the left bottom die 21. After each is fixed, the lower die 17 is rotated in a rotary manner and receives the stamping process of the upper die 1.
[0030] The top and bottom of the upper mold 1 are each provided with four sets of assembly grooves 1 (6), and the top and bottom of the lower mold 17 are each provided with four sets of assembly grooves 2 (19). Connecting rods 7 are fixed to the assembly grooves 1 (6) and 2 (19).
[0031] Specifically, if Figure 1 As shown, the top and bottom ends of the upper die 1 are fixed in a certain position by means of an assembly groove 1 6 and the piston rod above. As the hydraulic cylinder rises and falls, the position of the upper die 1 when pressed down is adjusted in different directions. The lower die 17 at the bottom is also provided with an assembly groove 2 19, but it does not need to be fixed. Only the direction of the lower die 17 is adjusted by the servo motor 15. If rotary stamping is not required, the lower die 17 can also be fixed by the assembly groove 2 19 for other types of stamping.
[0032] Working principle: When the utility model is in use, the left die 14 connected to the cylinder 4 and the right die 12 on the other side are both embedded between the two sets of frames 8. The movement of the left die 14 is restricted by the frame 8. The left side of the surface of the lower die 17 is also provided with a metal track 20 to restrict the sliding of the left bottom die 21. After they are fixed, the lower die 17 is rotated in a rotary manner and receives the stamping processing of the upper die 1. At this time, the upper die 1 is positioned above the lower die 17 by the robot arm. The direction of the lower die 17 is determined by the connected servo motor 15. The lower die 17 can be swung left and right to force the middle bottom die 22 to fit with the middle die 13 and stamp and shear the metal materials layer by layer to gradually form a standard electronic iron core. The die 14 can move the left die 14 left and right, and can adjust the stamping position of the left die 14 and the left bottom die 21 below. It can also be fixed like the right die 12 and the right bottom die 24, which can enrich the processing method of the mold. The upper die 1 is vertically stamped, and the lower die 17 is swung left and right to adjust the stamping position. The top and bottom ends of the upper die 1 are fixed at a certain position through the assembly groove 1 6 and the piston rod above. As the hydraulic cylinder rises and falls, the position of the upper die 1 when pressing down is adjusted in different directions. The lower die 17 at the bottom is also provided with an assembly groove 2 19, but it does not need to be fixed. The direction of the lower die 17 is only adjusted by the servo motor 15. If rotary stamping is not required, the lower die 17 can also be fixed through the assembly groove 2 19 for other types of stamping.
[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A large-rotation press die having an elastic positioning pin structure, comprising an upper die (1) and a lower die (17), characterized in that: The upper die (1) is internally provided with three sets of slots (2) on the top and bottom respectively, the lower die (17) is internally provided with three sets of pins (18) on the top and bottom of the front end respectively, the outside of the pin (18) is sleeved with a spring (26), the left side of the upper die (1) is internally provided with a left limiting slot (3) on the top and bottom respectively, the right side of the upper die (1) is internally provided with a right limiting slot (11) on the top and bottom respectively, the left side of the lower die (17) is internally provided with a left positioning hole (16) on the top and bottom respectively, the right side of the lower die (17) is internally provided with a right positioning hole (23) on the top and bottom respectively, the top and bottom of the front end of the upper die (1) are respectively provided with a micro switch (10).
2. The large rotation punch press die with elastic positioning contact pin structure according to claim 1, characterized in that: The rear of the lower die (17) is provided with a servo motor (15), and the transmission shaft of the servo motor (15) is fixedly connected with the center of the back of the lower die (17).
3. The large rotation punch press die with elastic positioning contact pin structure according to claim 1, characterized in that: The slot (2) can be sleeved on the outside of the pin (18), and the spring (26) contacts between the upper die (1) and the lower die (17).
4. The large-rotation punch press die with the elastic positioning contact pin structure according to claim 1, characterized in that: The left limiting slot (3) and the left positioning hole (16) have the same inner diameter, and the right limiting slot (11) and the right positioning hole (23) have the same inner diameter.
5. The large-rotation punch press die with the elastic positioning contact pin structure according to claim 1, characterized in that: The center of the left side of the upper die (1) is provided with two sets of air cylinders (4), and the right side of the piston rod of the air cylinder (4) is fixedly connected with a left pressing die (14), the right side of the front end of the upper die (1) is provided with a right pressing die (12), the center of the front end of the upper die (1) is provided with an intermediate pressing die (13), the center of the left side of the lower die (17) is welded with a metal track (20), and the left bottom die (21) is installed in the metal track (20), the right side of the inside of the slide (25) is installed with a right bottom die (24), and the center of the slide (25) is installed with an intermediate bottom die (22).
6. The large-rotation punch press die having the elastic positioning contact pin structure according to claim 5, characterized in that: The air cylinder (4) can horizontally push and pull the left pressing die (14), the orientation of the left pressing die (14) corresponds to the orientation of the left bottom die (21), and the orientation of the right pressing die (12) corresponds to the orientation of the right bottom die (24).
7. The large-rotation punch press die having an elastic positioning contact pin structure according to claim 1, characterized in that: The center of the front end of the upper die (1) is provided with two sets of frames (8), the frames (8) form a horizontal groove (5) therebetween, and the frames (8) and the upper die (1) are assembled with bolts (9).
8. The large-rotation punch press die having an elastic positioning contact pin structure according to claim 1, characterized in that: The top and bottom of the inside of the upper die (1) are respectively provided with four sets of assembly grooves (6), the top and bottom of the inside of the lower die (17) are respectively provided with four sets of assembly grooves (19), and the assembly grooves (6) and the assembly grooves (19) are respectively fixed with connecting rods (7).