Explosion-proof structure of laminated riveting iron core female die
By introducing explosion-proof and ejection devices into the die for stacked iron cores, the problem of core bursting during stamping was solved, enabling precise control of the core shape and size, and improving product quality and production efficiency.
Patent Information
- Application Number
- CN202423149427.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-19
AI Technical Summary
During the stamping process, the existing stacked iron core die is prone to cracking at the bends of the iron core, resulting in inconsistent size and shape, which affects the performance of the motor.
The device employs an explosion-proof device and an ejection device. The explosion-proof device disperses the stamping stress through a chute, slider, explosion-proof block, and semi-arc elastic plate. The ejection device facilitates the removal of the iron core through a cylinder, telescopic rod, and C-shaped ejection plate.
It effectively prevents the iron core edges from cracking, ensures shape and dimensional accuracy, improves product quality, and increases production efficiency and iron core integrity.
Smart Images
Figure CN223588168U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical manufacturing technical field, concretely is a kind of riveting iron core die block explosion-proof structure. BACKGROUND
[0002] Iron core die block is important component in motor manufacturing, for stamping and forming silicon steel sheet, to produce the stator and rotor of motor, with the development of motor manufacturing, the demand of high efficiency, high-precision iron core die block is increasing.
[0003] The existing riveting iron core die block has the following problems: the existing die block in the process of stamping, iron core is stamped, its own elbow will be due to the stress produced by stamping and cause burst, thereby it can affect the subsequent iron core's stacking, cannot guarantee the consistency of size and shape, thereby affect the overall performance of motor, in view of this, we propose a kind of riveting iron core die block explosion-proof structure. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of riveting iron core die block explosion-proof structure, the riveting iron core die block explosion-proof structure of this kind, solve the above-mentioned problem.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of riveting iron core die block explosion-proof structure, including operation platform, the top of the edge of operation platform is fixedly installed with L type connecting frame, the top of L type connecting frame is fixedly installed with hydraulic cylinder, the output end of hydraulic cylinder is fixedly installed with punch, the top of operation platform is fixedly installed with die block, the inner wall of die block is provided with explosion-proof device, the inside of die block is provided with ejector.
[0007] Preferably, the explosion-proof device includes a chute, a sliding block, an explosion-proof block, a semi-arc elastic plate, and a spring one, the chute is opened in the inner wall of the die block, the sliding block is slidingly installed in the chute inner wall of the die block, the explosion-proof block is installed at one end of the sliding block close to the inner wall of the die block, the semi-arc elastic plate is installed at one end of the explosion-proof block away from the sliding block, and the spring one is arranged between the semi-arc elastic plate and the inner wall of the chute.
[0008] Preferably, one end of the explosion-proof block and the sliding block close to the inner wall of the die block is fixedly connected, and the explosion-proof block is flexibly arranged, and one end of the semi-arc elastic plate and the explosion-proof block away from the sliding block is fixedly connected.
[0009] Preferably, the ejector includes a gas cylinder, a telescopic rod, and a C-shaped ejector plate, the gas cylinder is installed in the bottom end inner wall of the die block, the telescopic rod is installed at the output end of the gas cylinder, and the C-shaped ejector plate is installed at the top of the telescopic rod.
[0010] Preferably, the cylinder is fixedly connected with the bottom end inner wall of the die, the telescopic rod is fixedly connected with the output end of the cylinder, and the C-shaped ejection plate is fixedly connected with the top of the telescopic rod.
[0011] Preferably, the ejection device further comprises a horizontal sliding plate, an ejection cushion, a triangular block, a resisting block, a spring two, a vertical sliding plate, a triangular resisting block and a spring sheet, the horizontal sliding plate is slidingly installed on the horizontal inner wall of the C-shaped ejection plate, the ejection cushion is fixedly installed on the top of the horizontal sliding plate, the triangular block is penetratingly and slidingly installed on the outer wall of the left end of the C-shaped ejection plate, the resisting block is fixedly installed on the inner wall of the die close to the triangular block, the spring two is arranged between the horizontal sliding plate and the inner wall of the C-shaped ejection plate, the vertical sliding plate is slidingly installed on the vertical inner wall of the C-shaped ejection plate, the triangular resisting block is fixedly installed on one end of the vertical sliding plate close to the horizontal sliding plate, and the spring sheet is arranged between the vertical sliding plate and the inner wall of the C-shaped ejection plate.
[0012] Preferably, the two ends of the horizontal sliding plate are respectively provided with inclined grooves, the ejection cushion is soft, the triangular block is fixedly installed on the left end of the horizontal sliding plate, the number of the resisting blocks is several, the several resisting blocks are located on the movement track of the triangular block, and the triangular resisting block is in contact with the inclined grooves of the horizontal sliding plate.
[0013] By the above technical scheme, the explosion-proof structure of the stacked riveting iron core die is provided.
[0014] (1) According to the explosion-proof device, the plate material for manufacturing the iron core is placed on the top of the die, the hydraulic cylinder is started, the output end of the hydraulic cylinder drives the punch to stamp downward, the punch stamps the plate material, after the downward stamping, the side wall of the plate material is subjected to stress generated by stamping and the edge is exploded, at this time, the side wall of the iron core semi-finished product after stamping is resisted by the semi-arc elastic plate, the spring one cooperates with the explosion-proof block, the elastic surface of the explosion-proof block disperses the stress generated by the side wall of the iron core semi-finished product, the stress generated by the side wall of the iron core semi-finished product in the stamping process is effectively dispersed, the edge explosion is prevented, the shape and size precision of the iron core are ensured, and the product quality is improved.
[0015] (2), the utility model discloses the setting of ejector, when stamping is completed, the plate material of displacement production iron core, continues stamping, after the multiple C-shaped iron core is added together, completes once downward stamping, and the last laminating operation is completed through the male die, when the laminated iron core needs to be taken out, the air cylinder is started, and the air cylinder drives the telescopic rod to stretch up and down, and the telescopic rod drives the C-shaped ejector plate to move up, and the C-shaped ejector plate ejects the laminated iron core, can conveniently, quickly take out finished product iron core, improves production efficiency, guarantees the integrity and quality of product, makes its inclined plane to resist the triangular block, and the triangular block slides to the direction of the spring piece, and the horizontal slide and the longitudinal slide respectively drive the top ejector cushion to slide to one side, and the ejector cushion makes the laminated iron core on the top slide back and forth with small amplitude, and the horizontal slide resets through spring two, and the longitudinal slide resets through the spring piece, and through small amplitude vibration, can prevent the sidewall of C-shaped ejector plate from rubbing with the inner wall of female die when the iron core is ejected, causes the resistance when it is ejected, reduces the ejecting resistance, and guarantees the integrity and quality of iron core. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings described herein are used to provide further understanding of the utility model and constitute a part of this application:
[0017] Figure 1 It is the front view schematic diagram of the whole structure of the utility model;
[0018] Figure 2 It is the cross section schematic diagram of the whole structure of the utility model;
[0019] Figure 3 It is the cross section schematic diagram of the explosion-proof device in example one;
[0020] Figure 4 It is the cross section schematic diagram of the ejector device in example two;
[0021] Figure 5 It is the enlarged schematic diagram of A in example two.
[0022] In the drawing: 1, operation platform;11, L-shaped connecting frame;12, hydraulic cylinder;13, male die;14, female die;2, explosion-proof device;21, sliding groove;22, sliding block;23, explosion-proof block;24, semicircular elastic plate;25, spring one;3, ejector device;31, air cylinder;32, telescopic rod;33, C-shaped ejector plate;34, horizontal slide;35, ejector cushion;36, triangular block;37, resistance block;38, spring two;39, longitudinal slide;310, triangular resistance block;311, spring piece. DETAILED DESCRIPTION
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example 1
[0025] A stacked riveted iron core die explosion-proof structure, such as Figures 1-3 As shown, the device includes an operating table 1. An L-shaped connecting frame 11 is fixedly installed on the top of the operating table 1 near its edge. A hydraulic cylinder 12 is fixedly installed on the top of the L-shaped connecting frame 11. A punch 13 is fixedly installed on the output end of the hydraulic cylinder 12. A die 14 is fixedly installed on the top of the operating table 1. The plate for making the iron core is placed on the top of the die 14. The hydraulic cylinder 12 is turned on, and the output end of the hydraulic cylinder 12 drives the punch 13 to press downward. The punch 13 presses the plate. After pressing downward, the side wall of the plate will be subjected to the stress generated by the pressing, and its edge will crack. An explosion-proof device 2 is provided on the inner wall of the die 14. An ejection device 3 is provided inside the die 14.
[0026] The explosion-proof device 2 includes a slide groove 21, a slider 22, an explosion-proof block 23, a semi-circular elastic plate 24, and a spring 25. The slide groove 21 is formed on the inner wall of the die 14. The slider 22 is slidably mounted on the inner wall of the slide groove 21 of the die 14. The explosion-proof block 23 is mounted on the end of the slider 22 near the inner wall of the die 14. The explosion-proof block 23 and the end of the slider 22 near the inner wall of the die 14 are fixedly connected, and the explosion-proof block 23 is flexibly arranged. The semi-circular elastic plate 24 is mounted on the end of the explosion-proof block 23 away from the slider 22. The semi-circular elastic plate 24 and the explosion-proof block 25 are connected. The end of the explosion block 23 away from the slider 22 is fixedly connected. Spring 25 is set between the semi-arc elastic plate 24 and the inner wall of the slide groove 21. At this time, the side wall of the stamped iron core semi-finished product will be held by the semi-arc elastic plate 24. Spring 25, together with the explosion block 23, disperses the stress generated on the side wall of the iron core semi-finished product through the elastic surface of the explosion block 23. This can effectively disperse the stress generated on the side wall of the iron core semi-finished product during the stamping process, prevent edge cracking, ensure the shape and dimensional accuracy of the iron core, and improve product quality.
[0027] The explosion-proof structure of the laminated riveting iron core die recess is used to place the plate material for manufacturing the iron core on the top of the die recess 14, start the hydraulic cylinder 12, drive the male die 13 downward by the output end of the hydraulic cylinder 12, stamp the plate material by the male die 13, after the downward stamping, the side wall of the plate material will be subjected to the stress generated by the stamping and the edge will be exploded, at this time, the side wall of the iron core semi-finished product after the stamping is resisted by the semi-arc elastic plate 24, the spring 25 cooperates with the explosion-proof block 23, and then the elastic surface of the explosion-proof block 23 disperses the stress generated by the side wall of the iron core semi-finished product, so that the stress generated by the side wall of the iron core semi-finished product in the stamping process can be effectively dispersed, the edge explosion is prevented, the shape and size precision of the iron core are ensured, and the product quality is improved.
[0028] Example 2
[0029] As Figures 4-5 shown, the ejection device 3 comprises a cylinder 31, a telescopic rod 32 and a C-shaped ejection plate 33, the cylinder 31 is installed in the bottom end inner wall of the die recess 14, the cylinder 31 and the bottom end inner wall of the die recess 14 are fixedly connected, after the stamping is completed, the plate material for manufacturing the iron core is displaced, the stamping is continued, after a plurality of C-shaped iron cores are stacked together, the downward stamping is completed, the final stacking operation is completed by the male die 13, when the laminated riveting iron core needs to be taken out, the cylinder 31 is started, the telescopic rod 32 is installed at the output end of the cylinder 31, the telescopic rod 32 and the output end of the cylinder 31 are fixedly connected, the cylinder 31 drives the telescopic rod 32 to stretch upward, the C-shaped ejection plate 33 is installed at the top of the telescopic rod 32, the C-shaped ejection plate 33 and the top of the telescopic rod 32 are fixedly connected, the telescopic rod 32 drives the C-shaped ejection plate 33 to move upward, the C-shaped ejection plate 33 ejects the stacked iron core, the finished product iron core can be conveniently and quickly taken out, the production efficiency is improved, and the integrity and quality of the product are ensured.
[0030] The ejection device 3 further comprises a transverse sliding plate 34, an ejection cushion 35, a triangular block 36, a resisting block 37, a spring 38, a longitudinal sliding plate 39, a triangular resisting block 310 and a spring piece 311, the transverse sliding plate 34 is slidingly installed on the inner wall of the C-shaped ejection plate 33 in the transverse direction, the two ends of the transverse sliding plate 34 are respectively provided with inclined grooves, the ejection cushion 35 is fixedly installed on the top of the transverse sliding plate 34, the ejection cushion 35 is soft, the triangular block 36 penetrates and is slidingly installed on the outer wall of the left end of the C-shaped ejection plate 33, the triangular block 36 is fixedly installed on the left end of the transverse sliding plate 34, the resisting block 37 is fixedly installed on the inner wall of the recess die 14 close to the triangular block 36, the number of the resisting block 37 is a plurality, and the plurality of resisting blocks 37 are located on the movement track of the triangular block 36, the spring 38 is arranged between the transverse sliding plate 34 and the inner wall of the C-shaped ejection plate 33, the longitudinal sliding plate 39 is slidingly installed on the inner wall of the C-shaped ejection plate 33 in the longitudinal direction, the triangular resisting block 310 is fixedly installed on one end of the longitudinal sliding plate 39 close to the transverse sliding plate 34, the triangular resisting block 310 is in contact with the inclined grooves of the transverse sliding plate 34, and the spring piece 311 is arranged between the longitudinal sliding plate 39 and the inner wall of the C-shaped ejection plate 33.
[0031] When the stamping is completed, the plate material for making the iron core is displaced, the stamping is continued, a plurality of C-shaped iron cores are stacked together, then the downward stamping is completed, the final stacking operation is completed through the punch 13, when the riveted iron core needs to be taken out, the air cylinder 31 is started, the air cylinder 31 drives the telescopic rod 32 to be upwardly telescopic, the telescopic rod 32 drives the C-shaped ejection plate 33 to be upwardly moved, the C-shaped ejection plate 33 ejects the stacked iron core, the finished product iron core can be conveniently and quickly taken out, the production efficiency is improved, and the integrity and quality of the product are ensured.
[0032] When the C-shaped ejection plate 33 moves upward, the C-shaped ejection plate 33 drives the transverse slide plate 34 and the longitudinal slide plate 39 to move upward, the transverse slide plate 34 drives the triangular block 36 to move upward, the triangular block 36 abuts against the abutting block 37, so that the triangular block 36 drives the transverse slide plate 34 to move to the right side, the inclined slot on the transverse slide plate 34 moves to the right side, so that the inclined surface thereof abuts against the triangular abutting block 310, and the triangular abutting block 310 slides to the direction of the elastic sheet 311, the transverse slide plate 34 and the longitudinal slide plate 39 respectively drive the top ejection cushion 35 to slide to one side, the ejection cushion 35 makes the top laminated iron core slide back and forth in a small amplitude, the transverse slide plate 34 is reset through the spring two 38, the longitudinal slide plate 39 is reset through the elastic sheet 311, and through small-amplitude vibration, the side wall of the C-shaped ejection plate 33 can be prevented from rubbing against the inner wall of the female die 14 when the C-shaped ejection plate 33 ejects the iron core, so that the C-shaped ejection plate 33 is prevented from being subjected to resistance when it is ejected, the ejection resistance is reduced, and the integrity and quality of the iron core are ensured.
[0033] It should be noted that the relative terms such as first and second, and the like are used herein only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not expressly listed, or other elements inherent in such process, method, article, or apparatus.
[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An explosion-proof structure for a stacked iron core die, comprising an operating table (1), characterized in that: an L-shaped connecting frame (11) is fixedly installed on the top of the operating table (1) near its edge, a hydraulic cylinder (12) is fixedly installed on the top of the L-shaped connecting frame (11), a punch (13) is fixedly installed on the output end of the hydraulic cylinder (12), a die (14) is fixedly installed on the top of the operating table (1), an explosion-proof device (2) is provided on the inner wall of the die (14), and an ejection device (3) is provided inside the die (14).
2. The explosion-proof structure of the stacked iron core die according to claim 1, characterized in that: the explosion-proof device (2) includes a slide groove (21), a slider (22), an explosion-proof block (23), a semi-arc elastic plate (24) and a spring (25), the slide groove (21) is opened on the inner wall of the die (14), the slider (22) is slidably installed on the inner wall of the slide groove (21) of the die (14), the explosion-proof block (23) is installed on the end of the slider (22) close to the inner wall of the die (14), the semi-arc elastic plate (24) is installed on the end of the explosion-proof block (23) away from the slider (22), and the spring (25) is disposed between the semi-arc elastic plate (24) and the inner wall of the slide groove (21).
3. The explosion-proof structure of the stacked iron core die according to claim 2, characterized in that: the explosion-proof block (23) and the slider (22) are fixedly connected at the end near the inner wall of the die (14), and the explosion-proof block (23) is flexibly arranged, and the semi-arc elastic plate (24) and the end of the explosion-proof block (23) away from the slider (22) are fixedly connected.
4. The explosion-proof structure of the stacked iron core die according to claim 3, characterized in that: the ejection device (3) includes a cylinder (31), a telescopic rod (32) and a C-shaped ejection plate (33), the cylinder (31) is installed on the bottom inner wall of the die (14), the telescopic rod (32) is installed on the output end of the cylinder (31), and the C-shaped ejection plate (33) is installed on the top of the telescopic rod (32).
5. The explosion-proof structure of the stacked iron core die according to claim 4, characterized in that: the cylinder (31) is fixedly connected to the bottom inner wall of the die (14), the telescopic rod (32) is fixedly connected to the output end of the cylinder (31), and the C-shaped ejector plate (33) is fixedly connected to the top of the telescopic rod (32).
6. The explosion-proof structure of the stacked iron core die according to claim 5, characterized in that: the ejection device (3) further includes a transverse sliding plate (34), an ejection pad (35), a triangular block (36), an abutment block (37), a second spring (38), a longitudinal sliding plate (39), a triangular abutment block (310), and a spring sheet (311), the transverse sliding plate (34) is slidably installed on the transverse inner wall of the C-shaped ejection plate (33), the ejection pad (35) is fixedly installed on the top of the transverse sliding plate (34), and the triangular block (36) is through and slidably installed on the C-shaped ejection plate (33). The outer wall of the left end of the C-shaped ejector plate (33), the abutment block (37) is fixedly installed on the inner wall of the cavity mold (14) near the triangular block (36), the second spring (38) is set between the transverse slide plate (34) and the inner wall of the C-shaped ejector plate (33), the longitudinal slide plate (39) is slidably installed on the longitudinal inner wall of the C-shaped ejector plate (33), the triangular abutment block (310) is fixedly installed on one end of the longitudinal slide plate (39) near the transverse slide plate (34), and the spring piece (311) is set between the longitudinal slide plate (39) and the inner wall of the C-shaped ejector plate (33).
7. The explosion-proof structure of the stacked iron core die according to claim 6, characterized in that: the two ends of the transverse sliding plate (34) are respectively provided with inclined grooves, the ejector pad (35) is softly arranged, the triangular block (36) is fixedly installed on the left end of the transverse sliding plate (34), the number of the abutting blocks (37) is several, and the several abutting blocks (37) are located on the movement trajectory of the triangular block (36), and the triangular abutting block (310) contacts the inclined groove of the transverse sliding plate (34).