CN112935097A

CN112935097A - Compact floating block structure of multi-station flanging die

Info

Publication number: CN112935097A
Application number: CN202110108216.XA
Authority: CN
Inventors: 杨武
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-06-11

Abstract

The invention relates to the technical field of dies and discloses a compact floating block structure of a multi-station flanging die, which comprises a floating block, wherein two ends of the floating block are provided with nitrogen spring ejection blocks, an upper die nitrogen spring is arranged above the nitrogen spring ejection blocks, an upper die base is connected with the upper portion of the upper die nitrogen spring in a threaded manner, two sides of the upper portion of the floating block are in threaded connection and coarse positioning, the center of the upper portion of the floating block is movably connected with a shaping male die insert, the periphery of the floating block is in threaded connection with a self-lubricating sliding plate, the inner portion of the floating block is provided with a stroke limiting bolt through hole, a lower die base is arranged below the nitrogen spring ejection blocks, the inner wall of the lower die base is provided with a guide sliding surface, the bottom surface inside the lower die base is in threaded connection. This compact flotation block structure of multistation flanging dies, simple structure, compactness, get the material position accurate, compare with current flotation block structure, have many-sided promotion.

Description

Compact floating block structure of multi-station flanging die

Technical Field

The invention relates to the technical field of dies, in particular to a compact floating block structure of a multi-station flanging die.

Background

The multi-station die is an advanced and efficient stamping die in stamping dies. The multi-process integrated die is developed on the basis of a single-process stamping die. For some stamping parts with complicated shapes and multiple processes of blanking, bending, forming, deep drawing and the like, the stamping parts can be stamped and finished by a pair of multi-station dies. The multi-station die is production equipment for realizing automation and semi-automation, and is an advanced die structure form for ensuring stable stamping processing quality. In the automatic production process of the multi-station die, in order to ensure that the feeding and taking steps of each sequence are uniform, the feeding heights of each sequence are required to be ensured to be consistent, and in order to ensure that the feeding heights are consistent, a floating block structure is required.

In the normal multistation mould turn-ups process, because whole terrace die all belongs to the work content, need the intercepting both ends to take the accurate positioning part to be used for the flotation material, intercepting terrace die part bottom need install flotation block structure, the middle and upper mould nitrogen spring of normal flotation block structure should the position correspond, be located flotation block both ends, normal flotation block is with guide pillar location, both ends are used for spacingly with the capping board, the structure is complicated, this two occupies to get the mould space great, be not suitable for some special small-size multistation moulds, and normal flotation block goes upward the in-process and can take place the sheet material and rock, lead to getting the material position inaccurate. Therefore, a compact floating block structure of the multi-station flanging die is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a compact floating block structure of a multi-station flanging die, which has the advantages of simple and compact structure, accurate material taking position and the like, and solves the problems of complex structure, large occupied space and sheet material shaking.

(II) technical scheme

In order to achieve the purposes of simple and compact structure and the like, the invention provides the following technical scheme: a compact floating material block structure of a multi-station flanging die comprises a floating material block, wherein two ends of the floating material block are provided with nitrogen spring jacking blocks, an upper die nitrogen spring is arranged above the nitrogen spring ejecting block, an upper die base is connected with the upper part of the upper die nitrogen spring through threads, the two sides above the floating block are in threaded connection for coarse positioning, the center above the floating block is movably connected with a shaping convex die insert, the top of the shaping convex die insert is provided with a fine positioning, the top of the shaping convex die insert is provided with a magnet, the periphery of the floating material block is in threaded connection with a self-lubricating sliding plate, a stroke limiting bolt through hole is formed in the floating material block, a lower die holder is arranged below the nitrogen spring ejector block, a guide sliding surface is arranged on the inner wall of the lower die holder, the bottom surface inside the lower die holder is in threaded connection with a mound block, the bottom surface of the interior of the lower die base is in threaded connection with a stroke limiting bolt, and the bottom surface of the interior of the lower die base is in threaded connection with a lower die nitrogen spring.

Preferably, the initial force of the upper die nitrogen spring is greater than the final force of the lower die nitrogen spring.

Preferably, the working stroke of the upper die nitrogen spring is greater than that of the lower die nitrogen spring.

Preferably, the working stroke of the stroke limiting bolt is 2mm larger than that of the nitrogen spring of the lower die.

Preferably, the fine positioning and magnet is arranged in a non-working area of the shaping punch insert.

Preferably, the mound block receives the float block when the mold is pressed.

Preferably, the thickness of the nitrogen spring top block is not less than 40 mm.

(III) advantageous effects

Compared with the prior art, the invention provides a compact floating block structure of a multi-station flanging die, which has the following beneficial effects:

1. according to the compact floating block structure of the multi-station flanging die, an upper die nitrogen spring is driven to move downwards through the downward pressing of an upper die base, the upper die nitrogen spring abuts against a nitrogen spring ejecting block to enable a floating block to move downwards, and a lower die nitrogen spring is pressed.

2. This compact float material block structure of multistation flanging dies goes upward to drive through the upper die base and goes up mould nitrogen spring upwards, and up to breaking away from the nitrogen spring kicking block, lower mould nitrogen spring begins to jack up the float material piece, gets back to the initial pressure state until lower mould nitrogen spring, and the float material piece is accomplished and is gone upward, goes upward the in-process, because magnet adsorbs the sheet material, in addition the rigidity of coarse positioning and smart location, has guaranteed the stability of sheet material to reached and got the accurate effect in material position.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of a travel limit bolt;

FIG. 3 is a top view of the structure of the present invention;

FIG. 4 is an axial view of a flotage block;

fig. 5 is an isometric view of the present invention.

In the figure: 1. a float block; 2. a nitrogen spring top block; 3. an upper die nitrogen spring; 4. an upper die holder; 5. coarse positioning; 6. shaping the male die insert; 7. fine positioning; 8. a magnet; 9. self-lubricating sliding plates; 10. a travel limit bolt is passed through a hole; 11. a lower die holder; 12. a slide guide surface; 13. upsetting blocks; 14. a stroke limit bolt; 15. and (5) forming a nitrogen spring on the lower die.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a compact floating material block structure of a multi-station flanging die comprises a floating material block 1, wherein two ends of the floating material block 1 are provided with nitrogen spring ejecting blocks 2, the thickness of each nitrogen spring ejecting block 2 is not less than 40mm to ensure strength, an upper die nitrogen spring 3 is arranged above each nitrogen spring ejecting block 2, the initial force of each upper die nitrogen spring 3 is greater than the final force of each lower die nitrogen spring 15, the working stroke of each upper die nitrogen spring 3 is greater than that of each lower die nitrogen spring 15 to ensure that each upper die nitrogen spring 3 can normally press down the floating material block 1 and press down in place, the upper die nitrogen spring 3 is in threaded connection with an upper die base 4, two sides above the floating material block 1 are in threaded connection with coarse positioning 5, the center above the floating material block 1 is movably connected with a shaping male die insert 6, the top of the shaping male die insert 6 is provided with a fine positioning, the fine positioning 7 and the magnet 8 are arranged in a non-working area of the shaping male die insert 6, flour products which do not affect the shaping area are guaranteed, the periphery of a floating block 1 is in threaded connection with a self-lubricating sliding plate 9, a stroke limiting bolt through hole 10 is formed in the floating block 1, a lower die base 11 is arranged below a nitrogen spring top block 2, a guide sliding surface 12 is formed in the inner wall of the lower die base 11, the bottom surface of the inner portion of the lower die base 11 is in threaded connection with a heading block 13, the heading block 13 receives the floating block 1 during die pressing and is abutted against the floating block 1, the bottom surface of the inner portion of the lower die base 11 is in threaded connection with a stroke limiting bolt 14, the working stroke of the stroke limiting bolt 14 is 2mm larger than that of a lower die nitrogen spring 15, when the lower die nitrogen spring 15 is jacked, the floating block 1 cannot be directly in rigid contact with the stroke.

The working principle is that before the die is stamped, the plate is placed in the die, and the position of the plate is fixed by a rough positioning 5 and a fine positioning 7; when stamping is carried out, the upper die base 4 moves downwards to drive the upper die nitrogen spring 3 to move downwards, the upper die nitrogen spring 3 presses the nitrogen spring top block 2 downwards to drive the floating block 1 to move downwards, the floating block 1 is in contact with the sliding guide surface 12 on the lower die base 11 through the self-lubricating sliding plate 9 to ensure that the position does not deviate until the nitrogen spring top block 2 is in contact with the lower die base 11, the floating block 1 and the mound block 13 are butted, and the flanging of the plate is finished; after the punching work is finished, the upper die base 4 moves upwards to drive the upper die nitrogen spring 3 to move upwards, the upper die nitrogen spring 3 is separated from the nitrogen spring ejecting block 2, the lower die nitrogen spring 15 drives the floating block 1 to move upwards until the lower die nitrogen spring 15 returns to the initial pressure state, the floating block 1 moves upwards to finish the process, the sheet is adsorbed by the magnet 8, the positions of the rough positioning 5 and the fine positioning 7 are fixed, the stability of the sheet is guaranteed, and the sheet is clamped by the manipulator to finish the taking of the sheet.

In conclusion, according to the compact floating material block structure of the multi-station flanging die, the upper die nitrogen spring 3 is driven to move downwards by pressing the upper die base 4, the upper die nitrogen spring 3 is pressed against the nitrogen spring top block 2, the floating material block 1 moves downwards, the lower die nitrogen spring 15 is pressed, and in the moving process, the self-lubricating sliding plate 9 is in contact with the sliding guide surface 12, so that the position of the floating material block 1 is ensured not to deviate until the nitrogen spring top block 2 is in contact with the lower die base 11, the floating material block 1 is pressed against the heading block 13, and the downward movement of the floating material block 1 is finished, in the structure of the floating material block 1, the lower die nitrogen spring 15 is positioned below the nitrogen spring top block 2, the spaces at two ends of the lower die base 11 are occupied, the guide posts are positioned at two sides below the floating material block 1, the occupied space is large, the nitrogen spring 15 is positioned right below the floating material block 1 in the structure of the floating material block 1, and the, Simple structure.

This compact flotation block structure of multistation flanging dies goes upward through upper die base 4 and drives mould nitrogen spring 3 upwards, and up to breaking away from nitrogen spring kicking block 2, lower mould nitrogen spring 15 begins to jack up flotation block 1, gets back to the initial pressure state up to lower mould nitrogen spring 15, and flotation block 1 accomplishes and goes upward, goes upward the in-process, because magnet 8 adsorbs the sheet material, including the rigidity of coarse positioning 5 and accurate positioning 7, has guaranteed the stability of sheet material, thereby reached and got the accurate effect in material position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multistation flanging dies compact float material block structure, includes float material piece (1), its characterized in that: the device is characterized in that nitrogen spring ejector blocks (2) are arranged at two ends of a floating block (1), an upper mold nitrogen spring (3) is arranged above the nitrogen spring ejector block (2), a threaded upper die base (4) is arranged above the upper mold nitrogen spring (3), coarse positioning (5) is arranged at two sides of the upper side of the floating block (1) in threaded connection, a floating block (1) upper central movably connected shaping male die insert (6), a fine positioning (7) is arranged at the top of the shaping male die insert (6), a magnet (8) is arranged at the top of the shaping male die insert (6), self-lubricating sliding plates (9) are arranged at the periphery of the floating block (1) in threaded connection, travel limit bolt through holes (10) are arranged inside the floating block (1), a lower die base (11) is arranged below the nitrogen spring ejector block (2), a guide sliding surface (12) is arranged on the inner wall of the lower die base (11), and a dead block (, the inner bottom surface of the lower die base (11) is in threaded connection with a stroke limiting bolt (14), and the inner bottom surface of the lower die base (11) is in threaded connection with a lower die nitrogen spring (15).

2. The compact float block structure of the multi-station flanging die as claimed in claim 1, wherein: the initial force of the upper die nitrogen spring (3) is larger than the final force of the lower die nitrogen spring (15).

3. The compact float block structure of the multi-station flanging die as claimed in claim 1, wherein: the working stroke of the upper die nitrogen spring (3) is larger than that of the lower die nitrogen spring (15).

4. The compact float block structure of the multi-station flanging die as claimed in claim 1, wherein: the working stroke of the stroke limiting bolt (14) is 2mm larger than that of the lower die nitrogen spring (15).

5. The compact float block structure of the multi-station flanging die as claimed in claim 1, wherein: the fine positioning (7) and the magnet (8) are arranged in a non-working area of the shaping punch insert (6).

6. The compact float block structure of the multi-station flanging die as claimed in claim 1, wherein: the mound block (13) receives the float block (1) when the mould is pressed.

7. The compact float block structure of the multi-station flanging die as claimed in claim 1, wherein: the thickness of the nitrogen spring top block (2) is not less than 40 mm.