Stamping die for silicon steel sheet production

Abstract

The utility model relates to the technical field of silicon steel sheet stamping production, and discloses a stamping die for silicon steel sheet production, which comprises a machining table, a stand column is fixedly connected to the rear side of the machining table, a top plate is fixedly connected to the outside of the top of the stand column, a hydraulic cylinder is fixedly connected to the bottom of the top plate, and a lifting seat is fixedly connected to the output end of the hydraulic cylinder. An upper die body is arranged below the lifting seat, a stamping block is fixedly connected to the middle of the bottom of the upper die body, pressing assemblies are arranged in the front-back direction and the left-right direction of the bottom of the upper die body, a limiting groove is formed in the top of the machining table, a lower die body is arranged in the limiting groove, and a stamping groove is formed in the top of the lower die body in a penetrating mode. According to the silicon steel sheet punching device, through mutual cooperation of the lifting base, the guide columns, the fixing columns, the telescopic grooves, the springs and the pressing columns, a silicon steel sheet can be pressed and fixed before being punched, and the situation that the silicon steel sheet displaces, and the final punching effect is affected is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to silicon steel sheet stamping production technical field, concretely is a kind of stamping die of silicon steel sheet production. BACKGROUND

[0002] Silicon steel sheet is a kind of low-carbon silicon-iron soft magnetic alloy, generally contains 0.5~4.5% silicon. Adding silicon can improve the resistivity and maximum permeability of iron, reduce coercive force, core loss (iron loss) and magnetic aging. The production of silicon steel sheet is difficult due to complex process and narrow process window, and is known as the work of art in steel products, especially oriented silicon steel sheet, mainly used to make the core of various transformers, motors and generators.

[0003] Silicon steel sheet needs to use stamping device in production process, and the existing stator punching stamping is mostly to place the silicon steel sheet to be punched at the center, then directly drive the stamping plate to move downward by the hydraulic piston rod of stamping machine to carry out stamping work on workpiece.

[0004] But before stamping, the stamping device is difficult to quickly position the silicon steel sheet, so that the silicon steel sheet is displaced, which affects the final effect of stamping. In view of the above problems, therefore, a kind of stamping die of silicon steel sheet production is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of stamping die of silicon steel sheet production, solve the problem that stamping device is difficult to quickly position silicon steel sheet before stamping in background art, so that the silicon steel sheet is displaced, which affects the final effect of stamping.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of stamping die of silicon steel sheet production, including processing table, the rear side of the processing table is fixedly connected with stand, the top of the stand is fixedly connected with top plate outside, the bottom of the top plate is fixedly connected with hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with lifting seat, the lower portion of the lifting seat is provided with upper die body, the bottom of the upper die body is fixedly connected with stamping block in middle part, the bottom of the upper die body is provided with pressure assembly in front and back, left and right directions, the top of the processing table is provided with limit slot, the limit slot is provided with lower die body, the top of the lower die body is penetrated and provided with stamping slot, the front and back sides of the lower die body are provided with slot, the top of the processing table is fixedly connected with two support blocks in front and back, two the support block is penetrated and is rotatably connected with bidirectional screw rod between two, the outer circle of the bidirectional screw rod is screw-connected with moving block on both sides, the adjacent side of two the moving block is rotatably connected with movable rod, the inner side of the movable plate is fixedly connected with the plug-in block, the inner side of the movable plate is fixedly connected with the plug-in block.

[0007] By adopting the technical scheme, the rotation of the bidirectional threaded rod can drive the two moving blocks to move backward, and the movable rod can drive the movable plate and the plug to be pulled out from the insertion slots on the two sides of the lower mold body, thereby facilitating the disassembly and replacement of the lower mold body.

[0008] As a further description of the above technical scheme: the pressing assembly comprises four fixed columns, each of which is fixedly connected with the upper mold body, a telescopic slot is formed in the bottom of each fixed column, a spring is fixedly connected in the telescopic slot, a pressing column is fixedly connected at the bottom of the spring, and the pressing column is arranged in the telescopic slot and is in sliding connection with the inner wall of the telescopic slot.

[0009] By adopting the technical scheme, the silicon steel sheet can be pressed and fixed before being pressed, so as to prevent displacement of the silicon steel sheet and affect the final effect of the pressing.

[0010] As a further description of the above technical scheme: two guide columns are arranged in the lifting seat and are in sliding connection with the lifting seat.

[0011] By adopting the technical scheme, the guide column has a guiding effect, so that the lifting seat is more stable during lifting.

[0012] As a further description of the above technical scheme: two screws are arranged on the two sides of the upper mold body and are in threaded connection with the lifting seat.

[0013] By adopting the technical scheme, the screw can facilitate the installation and disassembly of the upper mold body.

[0014] As a further description of the above technical scheme: a knob is fixedly connected to the right end of the bidirectional threaded rod, and the knob is arranged outside the supporting block.

[0015] By adopting the technical scheme, the knob can conveniently drive the bidirectional threaded rod to rotate.

[0016] As a further description of the above technical scheme: a connecting frame is fixedly connected to the outside of the movable plate, and the connecting frame is in rotational connection with the movable rod.

[0017] By adopting the technical scheme, the connecting frame has a connecting effect.

[0018] As a further description of the above technical scheme: the plug is arranged in the insertion slot and is in sliding connection with the inner wall of the insertion slot.

[0019] By adopting the technical scheme, the plug inserted into the insertion slot can fix the lower mold body.

[0020] Further as a description of the above technical solutions: two of the support blocks are internally fixedly connected with a limiting column, and the limiting column is externally slidably connected with the two sides of the movable plate.

[0021] By adopting the above technical solutions, the two sides of the movable plate are provided with grooves, and the two sides of the movable plate can slide along the outside of the limiting column through the grooves.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1. The stamping die for silicon steel sheet production provided by the utility model can make the lifting seat more stable during lifting through the cooperation of the lifting seat, the guide column, the upper die body, the fixed column, the telescopic groove, the spring and the pressing column, can press and fix the silicon steel sheet before stamping to prevent displacement of the silicon steel sheet and affect the final effect of stamping.

[0024] 2. The stamping die for silicon steel sheet production provided by the utility model can drive the two moving blocks to move away from each other through the cooperation of the limiting groove, the lower die body, the insertion groove, the support block, the bidirectional threaded rod, the moving block, the movable rod, the movable plate, the connecting frame and the limiting column, can drive the movable plate and the insertion block to be pulled out from the insertion grooves on the two sides of the lower die body through the cooperation of the movable rod, and thus the lower die body can be conveniently disassembled and replaced, the upper die body can be conveniently installed and disassembled through the screw, and thus the lifting seat can be conveniently replaced, and the utility model is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the utility model;

[0026] Figure 2 It is a pressing assembly structure explosion drawing of the utility model;

[0027] Figure 3 It is a processing table explosion drawing of the utility model;

[0028] Figure 4 It is a structure schematic view of the utility model.

[0029] In the drawing: 1, processing table; 2, stand column; 3, top plate; 4, hydraulic cylinder; 5, lifting seat; 6, guide column; 7, upper die body; 8, screw; 9, stamping block; 10, fixed column; 11, telescopic groove; 12, spring; 13, pressing column; 14, limiting groove; 15, lower die body; 16, stamping groove; 17, insertion groove; 18, support block; 19, bidirectional threaded rod; 20, knob; 21, moving block; 22, movable rod; 23, movable plate; 24, connecting frame; 25, insertion block; 26, limiting column. DETAILED DESCRIPTION

[0030] With reference to the drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] In order to further understand the content of the present application, the present application will be described in detail with reference to the drawings.

[0032] With reference to Figures 1-4 , the stamping die for producing silicon steel sheets comprises a machining table 1, a discharge groove (not marked in the figure) is formed in the top of the machining table 1, the discharge groove corresponds to a stamping groove 16, a stand column 2 is fixedly connected to the rear side of the machining table 1, which plays a supporting effect, a top plate 3 is fixedly connected to the top of the stand column 2, a hydraulic cylinder 4 is fixedly connected to the bottom of the top plate 3, a lifting seat 5 is fixedly connected to the output end of the hydraulic cylinder 4, the lifting seat 5 can be lifted by the hydraulic cylinder 4, an upper die body 7 is arranged below the lifting seat 5, a stamping block 9 is fixedly connected to the middle of the bottom of the upper die body 7, a pressing assembly is arranged in the front-rear and left-right directions of the bottom of the upper die body 7, a limiting groove 14 is formed in the top of the machining table 1, which plays a limiting effect on a lower die body 15, the lower die body 15 is arranged in the limiting groove 14, the stamping groove 16 is formed in the top of the lower die body 15, the plug-in grooves 17 are formed in the front-rear sides of the lower die body 15, the plug-in grooves 17 play a limiting effect in cooperation with the plug-in blocks 25, two supporting blocks 18 are fixedly connected to the top of the machining table 1, which play a supporting effect, a bidirectional screw rod 19 is rotatably connected between the two supporting blocks 18, the moving blocks 21 are threadedly connected to the two sides of the outer circle of the bidirectional screw rod 19, the two moving blocks 21 can be moved relative to or away from each other by the bidirectional screw rod 19, the movable rods 22 are rotatably connected to the adjacent sides of the two moving blocks 21, the movable plates 23 are arranged on the inward sides of the bidirectional screw rod 19, and the plug-in blocks 25 are fixedly connected to the inner sides of the movable plates 23.

[0033] With reference to Figure 2 , the pressing assembly comprises the fixed columns 10, the four fixed columns 10 are fixedly connected to the upper die body 7, the telescopic grooves 11 are formed in the bottoms of the fixed columns 10, the springs 12 are fixedly connected in the telescopic grooves 11, the pressing columns 13 are fixedly connected to the bottoms of the springs 12, the pressing columns 13 are arranged in the telescopic grooves 11, and the pressing columns 13 are slidably connected to the inner walls of the telescopic grooves 11, the pressing assembly can press and fix the silicon steel sheet before stamping, so as to prevent the silicon steel sheet from being displaced and affecting the final effect of stamping.

[0034] With reference to Figure 1 , Figure 2 and Figure 4The guide column 6 is fixedly connected with the processing table 1 at the bottom, and the guide column 6 has a guiding effect. The screw 8 is arranged on the two sides of the upper die body 7 and is in threaded connection with the lifting seat 5 at the tail end. The screw 8 can conveniently install and dismount the upper die body 7. The knob 20 is arranged on the outer side of the supporting block 18 and is fixedly connected with the tail end of the bidirectional threaded rod 19 on the right side. The knob 20 can conveniently drive the bidirectional threaded rod 19 to rotate. The connecting frame 24 is fixedly connected with the outer side of the movable plate 23 and is in rotary connection with the movable rod 22 on the outer side. The connecting frame 24 has a connecting effect. The plug block 25 is arranged in the slot 17 and is in sliding connection with the inner wall of the slot 17 on the outside. The limiting column 26 is fixedly connected with the inner sides of the two supporting blocks 18. The limiting column 26 is in sliding connection with the two sides of the movable plate 23 on the outside. The two sides of the movable plate 23 are provided with grooves. The two sides of the movable plate 23 can slide along the outside of the limiting column 26 through the grooves.

[0035] Working principle: when working, the silicon steel sheet to be punched is placed on the lower die body 15, then the hydraulic cylinder 4 is started to drive the lifting seat 5 to descend along the guide column 6, the lower upper die body 7 and the punching block 9 are driven by the lifting seat 5 to descend to punch the lower silicon steel sheet, and before the punching block 9 contacts the silicon steel sheet, the pressing column 13 presses the silicon steel sheet in advance to tightly fix the four sides of the silicon steel sheet, and the lifting seat 5 continues to descend, the pressing column 13 extrudes the spring 12 in the telescopic groove 11 to shrink in the telescopic groove 11 until the punching block 9 cooperates with the punching groove 16 to complete the punching of the silicon steel sheet. When the lower die body 15 needs to be dismounted, the knob 20 is rotated to drive the bidirectional threaded rod 19 to rotate, the two moving blocks 21 are driven by the bidirectional threaded rod 19 to move backward, the movable plate 23 is driven by the movable rod 22 and the connecting frame 24 to shrink along the guide column 6, and the plug block 25 is driven by the movable plate 23 to be pulled out from the slots 17 on the two sides of the lower die body 15, so that the lower die body 15 can be taken out from the limiting groove 14 for replacement, and the upper die body 7 can be conveniently installed and dismounted through the screw 8.

[0036] It should be noted that, in the present text, the relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A punching die for the production of silicon steel sheets, comprising a working table (1), characterized in that: The rear side of the processing table (1) is fixedly connected with a stand column (2), the top of the stand column (2) is fixedly connected with a top plate (3), the bottom of the top plate (3) is fixedly connected with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected with a lifting seat (5), the lower side of the lifting seat (5) is provided with an upper die body (7), the middle of the bottom of the upper die body (7) is fixedly connected with a stamping block (9), the front and rear and left and right directions of the bottom of the upper die body (7) are provided with a pressing assembly, the top of the processing table (1) is provided with a limiting groove (14), the limiting groove (14) is provided with a lower die body (15), the top of the lower die body (15) penetrates and is provided with a stamping groove (16), the front and rear sides of the lower die body (15) are provided with a slot (17), the top of the processing table (1) is fixedly connected with two supporting blocks (18), the two supporting blocks (18) are penetrated and rotationally connected with a bidirectional screw rod (19), the outer circle of the two sides of the bidirectional screw rod (19) is threadedly connected with a moving block (21), the adjacent side of the two moving blocks (21) is rotationally connected with a movable rod (22), the inner side of the bidirectional screw rod (19) is provided with a movable plate (23), and the inner side of the movable plate (23) is fixedly connected with a plug-in block (25).

2. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The pressing assembly comprises a fixed column (10), four fixed columns (10) are fixedly connected with the upper die body (7), the bottom of the fixed column (10) is provided with an expansion slot (11), the expansion slot (11) is fixedly connected with a spring (12), the bottom of the spring (12) is fixedly connected with a pressing column (13), the pressing column (13) is arranged in the expansion slot (11), and the outer side of the pressing column (13) is slidably connected with the inner wall of the expansion slot (11).

3. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The two sides of the lifting seat (5) are penetrated and slidably connected with a guide column (6), and the bottom of the guide column (6) is fixedly connected with the processing table (1).

4. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The two sides of the upper die body (7) are penetrated and provided with a screw (8), and the tail end of the screw (8) is threadedly connected with the lifting seat (5).

5. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The right end of the bidirectional screw rod (19) is fixedly connected with a knob (20), and the knob (20) is arranged on the outer side of the supporting block (18).

6. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The outer side of the movable plate (23) is fixedly connected with a connecting frame (24), and the outer side of the connecting frame (24) is rotationally connected with the movable rod (22).

7. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The plug-in block (25) is arranged in the slot (17), and the outer side of the plug-in block (25) is slidably connected with the inner wall of the slot (17).

8. A stamping die for the production of silicon steel sheets according to claim 1, characterized in that: The inner side of the two supporting blocks (18) is fixedly connected with a limiting column (26), and the outer side of the limiting column (26) is slidably connected with the two sides of the movable plate (23).

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