CN220277942U

CN220277942U - Sheet metal stamping bending die

Info

Publication number: CN220277942U
Application number: CN202321069477.6U
Authority: CN
Inventors: 李业疆; 李翔麒; 李翔麟
Original assignee: Ningbo Runsheng Intelligent Technology Co ltd
Current assignee: Ningbo Runsheng Intelligent Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2024-01-02
Anticipated expiration: 2033-05-06

Abstract

The utility model provides a sheet metal stamping and bending die, which comprises: the workbench is provided with a placing table, the workbench is provided with a supporting frame, the supporting frame is provided with a pressing plate assembly, the pressing plate assembly is provided with two bending mechanisms, and the pressing plate assembly is provided with a punching assembly. The pressing plate assembly comprises a first hydraulic rod, a fixing plate is installed on the first hydraulic rod, a plurality of fixing rods are installed on the fixing plate, and a pressing block is installed on the fixing rods. The two bending mechanisms comprise second hydraulic rods, the two second hydraulic rods are provided with bending plates, the two bending plates are provided with embedded grooves, each embedded groove is movably embedded with an embedded block, and the embedded blocks are provided with widened pressing plates. The pressing plate assembly presses and fixes the sheet metal product, the two second hydraulic rods push the two bending plates to move downwards, the two sides of the sheet metal product are punched and bent, the punching and bending force is large, and the balanced bending stress can be realized when the size of the sheet metal product is wider.

Description

Sheet metal stamping bending die

Technical Field

The utility model relates to the technical field of sheet metal stamping dies, in particular to a sheet metal stamping bending die.

Background

The metal plate is a common metal processing technology, and the processed thin plate can be cut and bent through a subsequent series of processing to process the material into parts meeting the application requirements. The statistics shows that the sheet metal parts account for more than 90% of all metal products. The mold is a variety of molds and tools used in industrial production for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping, etc. to obtain the desired product, and in short, the mold is a tool used for making molded articles, which is composed of various parts, and different molds are composed of different parts. The sheet metal is bent by adopting a bending stamping die during processing.

For example, chinese patent CN209531868U discloses a bending structure, a sheet metal forming die and a stamping device, relates to the technical field of sheet metal forming, and solves the technical problem that a plurality of sets of engineering dies need to be opened for forming sheet metal parts with a specific bending sequence according to the bending sequence. The bending structure comprises an upper template, a pre-pressing block, a base and a lower stripper plate, and further comprises a fixed bending block, a first elastic mechanism, a second elastic mechanism and a movable bending block, wherein the lower stripper plate is arranged on the base through the first elastic mechanism, and the movable bending block is arranged on the base through the second elastic mechanism. The first elastic mechanism can provide pressing force and unloading force for the sheet metal part, the second elastic mechanism can provide reverse bending force for the sheet metal part, so that the bending sequence is no longer equal to the lower die bending block height sequence, the bending block height difference is controlled through the first elastic mechanism and the second elastic mechanism, the pressing, bending and stripping sequences of the upper die surface and the lower die surface are further controlled, and the demolding of the bending part in the specific sequence in the die is realized.

When the sheet metal stamping bending die is used, a sheet metal product is generally placed on the lower die, and the upper die moves downwards to perform stamping bending. However, when the sheet metal product is wider, there is the punching press effect of bending poor to influence the processing effect and the technical problem of bending quality of sheet metal product.

Disclosure of Invention

In view of the above, the present utility model is directed to a sheet metal stamping and bending die, which solves all or one of the above-mentioned problems in the prior art.

Based on the above object, the present utility model provides a sheet metal stamping and bending die, comprising:

the workbench is provided with a placing table, the workbench is provided with a supporting frame, the supporting frame is provided with a pressing plate assembly, the bottom of the pressing plate assembly is provided with two bending mechanisms, and the pressing plate assembly is provided with a punching assembly;

the pressing plate assembly comprises a first hydraulic rod, a fixing plate is arranged at the output end of the first hydraulic rod, a plurality of fixing rods are arranged on the fixing plate, and pressing blocks are arranged on the fixing rods;

the two bending mechanisms comprise second hydraulic rods, the two second hydraulic rods are provided with bending plates, the front surface and the rear surface of each bending plate are provided with embedded grooves, each embedded groove is movably embedded with an embedded block, and each embedded block is provided with a widened pressing plate.

Optionally, the movable hole has been seted up to the pressing block, the punching press hole has been seted up to the platform of placing, the subassembly that punches a hole includes the third hydraulic stem, the punching plate is installed to the output of third hydraulic stem, two punching heads are installed to the punching plate.

Optionally, the bending plate is in threaded connection with a first butterfly hand-screwed bolt and a second butterfly hand-screwed bolt, the first butterfly hand-screwed bolt is in threaded connection with the outer surface of the inner insert, and the second butterfly hand-screwed bolt is in threaded connection with the top of the inner insert.

Optionally, two the bracing piece is installed to the board of bending, the fixed plate is equipped with a plurality of slide holes, the bracing piece corresponds the activity and inlays to be established the slide hole, a plurality of the bracing piece average divides into two sets of.

Optionally, each group of support rods is provided with a connecting plate, and the fixing plate is provided with a plurality of sections of telescopic rods.

Optionally, the telescopic rod comprises a spring arranged in the multi-section telescopic rod, and two ends of the spring are respectively abutted to two ends of the multi-section telescopic rod.

Optionally, the top ends of the two multi-section telescopic rods and the top end of the first hydraulic rod are both installed on the supporting frame, and the two second hydraulic rods are respectively installed on the fixing plate.

Optionally, the workbench is provided with a square groove, the square groove is movably embedded with a mounting block, and the mounting block is fixedly connected with the placing table.

Optionally, place the platform and be used for placing the sheet metal product, it is provided with the scale mark to place the platform, press the width of briquetting and place the width assorted of platform, the fixed box is installed to the workstation, fixed box activity inlays and is equipped with the pull box.

Optionally, the punching plate is movably embedded in the movable hole, and the top of the third hydraulic rod is arranged at the center of the top of the fixed plate.

The utility model provides a middle-pressure plate assembly for pressing and fixing a sheet metal product, two second hydraulic rods push two bending plates to move downwards, two sides of the sheet metal product are punched and bent, the punching bending force is high, and the balanced bending force can be realized when the size of the sheet metal product is wider. The width of the pressing plate is widened, the bending plate is prolonged, the width of the pressing plate is matched with the width of a wider sheet metal product, and stamping bending processing is better carried out.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front perspective view of a sheet metal stamping bending die provided by the utility model;

fig. 2 is a schematic structural development diagram of a placement table in a sheet metal stamping bending die;

fig. 3 is a schematic structural development diagram of a pressing plate assembly in a sheet metal stamping and bending die provided by the utility model;

fig. 4 is a schematic structural development diagram of a punching assembly in a sheet metal punching and bending die provided by the utility model;

fig. 5 is a schematic structural development diagram of a bending mechanism in a sheet metal stamping bending die.

Wherein:

1. a work table; 2. a support frame; 3. a platen assembly; 301. a first hydraulic lever; 302. a fixing plate; 303. a fixed rod; 304. pressing the blocks; 305. a movable hole; 306. a multi-section telescopic rod; 307. a slide hole; 308. a spring; 4. a bending mechanism; 401. a second hydraulic lever; 402. a bending plate; 403. an embedded groove; 404. an inner insert; 405. widening the pressing plate; 406. the first butterfly-shaped hand-screwed bolt; 407. the second butterfly-shaped hand-screwed bolt; 408. a support rod; 409. a connecting plate; 5. a punching assembly; 501. a third hydraulic lever; 502. punching a plate; 503. a punching head; 6. a fixed box; 7. drawing the box; 8. a square groove; 9. a mounting block; 10. a placement table; 11. punching a hole; 12. scale marks; 13. sheet metal products.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present disclosure pertains. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In embodiment 1, as shown in fig. 1-5, the utility model provides a sheet metal stamping and bending die which is used for stamping and bending a sheet metal. Sheet metal stamping bending die includes: a work table 1 of rigid structure, the top of the work table 1 being provided with a placement table 10. The support frame 2 is installed at the top that workstation 1 is close to both sides, and clamp plate subassembly 3 is installed at the inside top of support frame 2, and the bottom of clamp plate subassembly 3 is provided with two mechanism 4 of bending, and the inside of clamp plate subassembly 3 is provided with punching a hole subassembly 5. The pressing plate assembly 3 comprises a first hydraulic rod 301, a fixing plate 302 is installed at the output end of the first hydraulic rod 301, a plurality of fixing rods 303 are installed at the bottom of the fixing plate 302, and pressing blocks 304 are installed at the bottom ends of the plurality of fixing rods 303.

The two bending mechanisms 4 comprise second hydraulic rods 401, bending plates 402 are mounted at the bottoms of the two second hydraulic rods 401, and embedded grooves 403 are formed in the front surface and the rear surface of each of the two bending plates 402. The inner parts of the plurality of embedded grooves 403 are movably embedded with embedded blocks 404, and the outer surfaces of the plurality of embedded blocks 404 are provided with widened pressing plates 405.

The top that two bending plates 402 are close to front surface and rear surface all installs bracing piece 408, and a plurality of slide holes 307 have been seted up at the top of fixed plate 302, and the surface of a plurality of bracing pieces 408 is respectively movable to be inlayed in the inside of a plurality of slide holes 307.

The plurality of support rods 408 are equally divided into two groups, connecting plates 409 are respectively arranged at the top ends of the support rods 408 of each group, a plurality of telescopic rods 306 are respectively arranged at the top parts of the fixing plates 302, which are close to the two sides, springs 308 are respectively arranged in the two telescopic rods 306, one ends of the two springs 308 are respectively arranged at the top parts of the two telescopic rods 306, and the other ends of the two springs 308 are respectively arranged at the bottom parts of the two telescopic rods 306.

The top ends of the two multi-section telescopic rods 306 and the top ends of the first hydraulic rods 301 are respectively arranged at the top inside the support frame 2, the top ends of the two second hydraulic rods 401 are respectively arranged at the bottoms of the two sides, close to the fixed plate 302, of the fixed plate 302, and the fixed plate 302 is pushed to move downwards by starting the first hydraulic rods 301. Under the support of two multisection telescopic links 306 and two springs 308, stability when improving fixed plate 302 and remove, play auxiliary stay's effect to fixed plate 302 simultaneously, fixed plate 302 promotes through a plurality of dead levers 303 and presses briquetting 304 downwardly moving, presses at the top of sheet metal product 13, fixes sheet metal product 13, prevents during subsequent processing, the offset in position.

Then, by simultaneously starting the two second hydraulic rods 401 and simultaneously pushing the two bending plates 402 to move downwards, the two sides of the sheet metal product 13 are bent, and therefore the effect of stamping and bending is achieved. The stability of the movement of the bending plate 402 is improved by the plurality of support rods 408. When the sheet metal product 13 is wide in size, two insert pieces 404 are inserted into the inside of the insert grooves 403 of the front and rear surfaces of the bending plate 402.

The outer surfaces of two sides of the two bending plates 402 are respectively connected with a first butterfly hand-screwed bolt 406 in a threaded manner, the tops of the two bending plates 402 are respectively connected with a second butterfly hand-screwed bolt 407 in a threaded manner, the first butterfly hand-screwed bolts 406 are connected with the outer surfaces of the inner embedded blocks 404 in a threaded manner, and the second butterfly hand-screwed bolts 407 are connected with the tops of the inner embedded blocks 404 in a threaded manner. The first butterfly hand screw bolt 406 and the second butterfly hand screw bolt 407 are installed and fixed, the installation firmness of the embedded block 404 is increased, accordingly, the widened pressing plates 405 are tightly installed on two sides of the bending plate 402, the width of the bending plate 402 is prolonged through the two widened pressing plates 405, the width of the bending plate is matched with the width of a wider sheet metal product 13, punching and bending processing is better conducted, the width is convenient to adjust, and the applicability is improved.

As shown in fig. 1-5, the movable hole 305 is formed at the top of the pressing block 304, the punching hole 11 is formed at the top of the placing table 10, the punching assembly 5 includes a third hydraulic rod 501, and the punching plate 502 is mounted at the output end of the third hydraulic rod 501. Two punching heads 503 are installed at the bottom of the punching plate 502, the outer surface of the punching plate 502 is movably embedded in the movable hole 305, the top of the third hydraulic rod 501 is installed at the center of the top of the fixed plate 302, and the pressing block 304 is used for fixing the third hydraulic rod to prevent deflection.

And the third hydraulic rod 501 is started to push the punching plate 502 to move downwards and drive the punching head 503 to move downwards, so that the sheet metal product 13 is punched under the cooperation of the punching hole 11, and the functionality of the device is improved. The punching plate 502 and the punching head 503 can be used in combination, so that not only punching and bending processing but also punching processing can be performed. When the press block 304 is not needed to be used, the punching head 503 is positioned inside the movable hole 305, and normal operation of the press block 304 is not affected.

As shown in fig. 1-5, a square groove 8 is formed in the center of the top of the workbench 1, a mounting block 9 is movably embedded in the square groove 8, and the top of the mounting block 9 is fixedly connected with the bottom of the placement table 10. The top of placing the platform 10 is provided with sheet metal product 13, and the top of placing the platform 10 near both sides all is provided with scale mark 12, and the width of pressing block 304 matches with the width of placing the platform 10.

The fixed box 6 is installed to the bottom of workstation 1, and the inside activity of fixed box 6 inlays and is equipped with pull box 7, through with installation piece 9 with place the platform 10 and install the top at workstation 1 with placing the platform 10 together, be convenient for. When the placing table 10 is damaged and needs to be replaced, the mounting block 9 is taken out from the square groove 8, so that the placing table 10 can be replaced with a new one, and the replacing is convenient. The scale mark 12 is convenient for mark and detect the edge of sheet metal product 13, when the extension width is not needed to the board 402 that bends, can put widening clamp plate 405, first butterfly hand screw bolt 406 and second butterfly hand screw bolt 407 into pull box 7, accomodate.

The installation block 9 is taken out from the square groove 8, so that a new placing table 10 can be replaced, and the convenience is realized. The scale marks 12 can clearly see whether the sheet metal product 13 is offset, so that the staff can adjust the sheet metal product in time. The pull box 7 is convenient for accomodate widening clamp plate 405, first butterfly hand screw bolt 406 and second butterfly hand screw bolt 407, prevents losing, and the convenience of taking.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as above, which are not provided in detail for the sake of brevity.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. Sheet metal stamping bending die, characterized by comprising:

2. The sheet metal stamping bending die of claim 1, wherein the pressing block is provided with a movable hole, the placing table is provided with a stamping hole, the punching assembly comprises a third hydraulic rod, the output end of the third hydraulic rod is provided with a punching plate, and the punching plate is provided with two punching heads.

3. The sheet metal stamping bending die of claim 1, wherein the bending plate is in threaded connection with a first butterfly hand screw bolt and a second butterfly hand screw bolt, the first butterfly hand screw bolt is in threaded connection with the outer surface of the inner insert, and the second butterfly hand screw bolt is in threaded connection with the top of the inner insert.

4. The sheet metal stamping and bending die according to claim 1, wherein two bending plates are provided with supporting rods, the fixing plate is provided with a plurality of sliding holes, the supporting rods are correspondingly and movably embedded in the sliding holes, and the supporting rods are equally divided into two groups.

5. The sheet metal stamping bending die according to claim 4, wherein each group of support rods is provided with a connecting plate, and the fixing plate is provided with a plurality of telescopic rods.

6. The sheet metal stamping bending die of claim 5, comprising springs arranged in the multi-section telescopic rod, wherein two ends of the springs are respectively abutted against two ends of the multi-section telescopic rod.

7. The sheet metal stamping and bending die according to claim 5, wherein the top ends of the two multi-section telescopic rods and the top end of the first hydraulic rod are both mounted on the supporting frame, and the two second hydraulic rods are respectively mounted on the fixing plate.

8. The sheet metal stamping bending die of claim 1, wherein the workbench is provided with a square groove, a mounting block is movably embedded in the square groove, and the mounting block is fixedly connected with the placing table.

9. The sheet metal stamping bending die of claim 1, wherein the placement table is used for placing sheet metal products, the placement table is provided with scale marks, the width of the pressing block is matched with the width of the placement table, the workbench is provided with a fixed box, and the fixed box is movably embedded with a drawing box.

10. The sheet metal stamping and bending die according to claim 2, wherein the stamping plate is movably embedded in the movable hole, and the top of the third hydraulic rod is arranged at the center of the top of the fixed plate.