CN103990707A - Die of bending machine - Google Patents

Abstract

The invention discloses a die of a bending machine. The die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly is located above the lower die assembly, and a base is arranged on the lower portion of the lower die assembly; the lower die assembly comprises a forming male die, a lower sliding block and a downward sliding base plate, the lower sliding block is arranged on the upper surface of the downward sliding base plate, the upper surface of the lower sliding block is further provided with a sideward pushing forming punch and a lower die push block, the right side of the lower sliding block is provided with a male die cushion block, the forming male die is arranged on the upper portion of the male die cushion block, the side face of the forming male die is provided with a groove, a sideward pushing material block is arranged in the groove, and a first reset device is clamped between the sideward pushing material block and the sideward pushing forming punch; the upper die assembly comprises an upper die base, an upper die slotting tool, an upper die front punch and an upper die plate, the upper die slotting tool is arranged on the lower portion of the upper die base, the upper die front punch is fixed to the lower portion of the upper die plate, the lower portion of the upper die base is connected with a pressing plate and the pressing device penetrates through the upper die plate. Products bent through the die of the bending machine are accurate in size, product quality is guaranteed, bending can be carried out two times in one work procedure, and efficiency is improved.

Description

A kind of bending machine die

Technical field

The present invention relates to a kind of mould, relate in particular to a kind of bending machine die.

Background technology

Mould, in industrial production in order to injection moulding, blowing, extrude, various moulds and instrument that the method such as die casting or forging forming, smelting, punching press, stretching obtains required product.In brief, mould is the instrument for formed article, and this instrument consists of various parts, and different moulds consists of different parts.It mainly realizes the processing of article profile by the change of institute's moulding material physical state.Bender is a kind of equipment for bending sheets material, and bending principle is for to be positioned over workpiece in the plane of counterdie, and when patrix presses to counterdie, workpiece forms a bending angle under the effect of upper and lower mould.

In Mould Machining industry, often there are some product needed to realize positive bending and side bending simultaneously, for this series products, existing mold structure can only singlely realize positive bending or the side bending of product, traditional way is design two cover diels, and then this this series products is divided into two steps carrys out punch forming.Therefore not only the manufacturing cost of mould is high, and operation is comparatively complicated, and working (machining) efficiency is extremely low, and because needs are repeatedly dismantled product, multiple bearing product, causes error to increase simultaneously, has greatly affected the accuracy of product.Can not meet modern industry produces the more and more higher requirement of such production mould proposition.

Summary of the invention

For the deficiencies in the prior art, the invention provides a kind of bending machine die, the product size of this bending machine die bending is accurate, has guaranteed product bending quality, and an operation can complete twice bending, has improved efficiency.

A kind of bending machine die, comprise upper die component and lower membrane module, upper die component is positioned at the top of lower membrane module, the below of lower membrane module is provided with base, lower membrane module comprises moulding male model, sliding block, downslide backing plate, sliding block is located at the upper surface of downslide backing plate, the upper surface of sliding block is also provided with thruster forming punching head and counterdie pushing block, the right side of sliding block is provided with male model cushion block, moulding male model is located at above male model cushion block, the side of moulding male model is provided with groove, is provided with side expeller in groove, between side expeller and thruster forming punching head, is arranged with the first resetting means; Upper die component comprises upper bolster, patrix slotting tool, the positive drift of patrix, cope match-plate pattern, patrix slotting tool be located at upper bolster below, the positive drift of patrix is fixed on cope match-plate pattern bottom, upper bolster be below connected with hold down gag, hold down gag runs through cope match-plate pattern.

Preferably, the downward extended line of patrix slotting tool is between thruster forming punching head and counterdie pushing block, the left and right sides, bottom of patrix slotting tool all offers the first ramp structure, thruster forming punching head and counterdie pushing block all offer the second ramp structure towards the top of patrix slotting tool one side, and the second ramp structure and the first ramp structure adapt.

Preferably, hold down gag comprises briquetting and the elastomeric element between briquetting and upper bolster.

Preferably, the height of counterdie pushing block is greater than the height of thruster forming punching head.

Preferably, cope match-plate pattern is provided with for locating the keeper of processed product.

Preferably, between sliding block and downslide backing plate, be provided with polytetrafluoroethylene floor.

Preferably, on moulding male model, place processed product.

Compared with prior art, the present invention has following beneficial effect: Bending Mould provided by the invention comprises upper die component and lower membrane module, upper die component is positioned at the top of lower membrane module, the below of lower membrane module is provided with base, lower membrane module comprises moulding male model, sliding block, downslide backing plate, sliding block is located at the upper surface of downslide backing plate, the upper surface of sliding block is also provided with thruster forming punching head and counterdie pushing block, the right side of sliding block is provided with male model cushion block, moulding male model is located at above male model cushion block, the side of moulding male model is provided with groove, in groove, be provided with side expeller, between side expeller and thruster forming punching head, be arranged with the first resetting means, upper die component comprises upper bolster, patrix slotting tool, the positive drift of patrix, cope match-plate pattern, patrix slotting tool be located at upper bolster below, the positive drift of patrix is fixed on cope match-plate pattern bottom, upper bolster be below connected with hold down gag, hold down gag runs through cope match-plate pattern.The present invention, by the cooperation between thruster forming punching head, side expeller, moulding male model, makes the product size of bending accurate, has guaranteed product bending quality; By the cooperation between patrix slotting tool, thruster forming punching head, the positive drift of patrix, moulding male model, an operation completes twice bending, has improved efficiency.The product size of bending machine die bending of the present invention is accurate, has guaranteed product bending quality, and an operation can complete twice bending, has improved efficiency.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Accompanying drawing indicates as follows: 11-sliding block, 12-counterdie pushing block, 13-thruster forming punching head, 14-downslide backing plate, 15-the first resetting means, 16-side expeller, 17-moulding male model, 18-the second resetting means, 21-upper bolster, 22-patrix slotting tool, the positive drift of 23-patrix, 24-hold down gag, 241-elastomeric element, 242-briquetting, 25-cope match-plate pattern, 26-moulding male model slotting tool.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is described in detail.

Referring to Fig. 1, a kind of bending machine die, comprise upper die component and lower membrane module, upper die component is positioned at the top of lower membrane module, the below of lower membrane module is provided with base, lower membrane module comprises moulding male model 17, sliding block 11, downslide backing plate 14, sliding block 11 is located at the upper surface of downslide backing plate 14, the upper surface of sliding block 11 is also provided with thruster forming punching head 13 and counterdie pushing block 12, the right side of sliding block 11 is provided with male model cushion block, moulding male model 17 is located at above male model cushion block, the side of moulding male model 17 is provided with groove, in groove, be provided with side expeller 16, on moulding male model 17, place processed product, between side expeller 16 and thruster forming punching head 13, be arranged with the first resetting means 15, upper die component comprises upper bolster 21, patrix slotting tool 22, the positive drift 23 of patrix, cope match-plate pattern 25, patrix slotting tool 22 be located at upper bolster 21 below, the positive drift 23 of patrix is fixed on cope match-plate pattern 25 bottoms, below upper bolster 21, be connected with hold down gag 24, hold down gag 24 runs through cope match-plate pattern 25, and cope match-plate pattern 25 is provided with for locating the keeper of processed product.

To be placed on moulding male model 17 for converted products, lower module moves down and drives the moulding male model slotting tool 26 that is positioned at upper bolster 21 belows to move down contact fixed-type male model 17, patrix slotting tool 22 first contacts counterdie pushing block 12, and counterdie pushing block 12 is outwards moved, and drive sliding block 11 outwards to move to precalculated position together with side expeller 16, now the positive drift 23 of counterdie contacts processed products, keeper positions towards processed products, the positive drift 23 of counterdie continues the descending 90 ° of bendings for the first time that complete processed product again, the folding part for the first time of processed product is between thruster forming punching head 13 and side expeller 16 in breach, along with patrix slotting tool 22 continues the descending thruster forming punching head 13 that touches, and promote thruster forming punching head 13 and side expeller 16 moves inward, in side expeller 16, move on in moulding male model 17 grooves, the inside punching press processed product of thruster forming punching head 13, complete the bending for the second time of processed product, completed processed product U bending, during the demoulding, upper die component leaves lower membrane module, lower membrane module resets, moulding male model 17 resets under the second resetting means 18 effects, owing to there being the intervention of side expeller 16, solve moulding male model 17 and be with towards processed products the problem of expecting.

Preferably, the downward extended line of patrix slotting tool 22 is between thruster forming punching head 13 and counterdie pushing block 12, the height of counterdie pushing block 12 is greater than the height of thruster forming punching head 13, the left and right sides, bottom of patrix slotting tool 22 all offers the first ramp structure, thruster forming punching head 13 and counterdie pushing block 12 all offer the second ramp structure towards the top of patrix slotting tool 22 1 sides, and the second ramp structure and the first ramp structure adapt.

When patrix slotting tool 22 moves down, first ramp structure in left side first touches counterdie pushing block 12, counterdie pushing block 12 is outwards moved, and drive sliding block 11 outwards to move to precalculated position together with moulding male model 17, the positive drift 23 of counterdie has completed the bending for the first time of processed product, patrix slotting tool 22 continues to move down and touches thruster forming punching head 13, and makes it move inward the bending for the second time to converted products.

Preferably, hold down gag 24 comprises briquetting 242 and the elastomeric element 241 between briquetting 242 and upper bolster 21.Hold down gag 24 can compress and further location towards processed products, makes it process that size is accurate more.

Preferably, 14, sliding block 11 and downslide backing plate are provided with polytetrafluoroethylene floor.Polytetrafluoroethylene (PTFE) has excellent mechanical property and high-lubricity, can make sliding block 11 smooth and easy slip on downslide backing plate 14, and minimum to slide block 11 and 14 wearing and tearing of downslide backing plate.

Applicant's statement, the present invention illustrates detailed structure of the present invention and technique by above-described embodiment, but the present invention is not limited to above-mentioned detailed structure and technique, does not mean that the present invention must rely on above-mentioned detailed structure and technique could be implemented.Person of ordinary skill in the field should be understood that any improvement in the present invention, to the selection of the interpolation of the equivalence replacement of each raw material of product of the present invention and auxiliary element, concrete mode etc., within all dropping on protection scope of the present invention and open scope.

Claims (7)

1. a bending machine die, is characterized in that, comprises upper die component and lower membrane module, and described upper die component is positioned at the top of described lower membrane module, and the below of described lower membrane module is provided with base;

Described lower membrane module comprises moulding male model (17), sliding block (11), downslide backing plate (14), described sliding block (11) is located at the upper surface of described downslide backing plate (14), the upper surface of described sliding block (11) is also provided with thruster forming punching head (13) and counterdie pushing block (12), the right side of described sliding block (11) is provided with male model cushion block, described moulding male model (17) is located at above male model cushion block, the side of described moulding male model (17) is provided with groove, in described groove, be provided with side expeller (16), between described side expeller (16) and described thruster forming punching head (13), be arranged with the first resetting means (15),

Described upper die component comprises upper bolster (21), patrix slotting tool (22), the positive drift of patrix (23), cope match-plate pattern (25), described patrix slotting tool (22) be located at described upper bolster (21) below, the positive drift of described patrix (23) is fixed on the bottom of described cope match-plate pattern (25), below described upper bolster (21), be connected with hold down gag (24), described hold down gag (24) runs through described cope match-plate pattern (25).

2. bending machine die according to claim 1, it is characterized in that, the downward extended line of described patrix slotting tool (22) is positioned between described thruster forming punching head (13) and described counterdie pushing block (12), the left and right sides, bottom of described patrix slotting tool (22) all offers the first ramp structure, described thruster forming punching head (13) and described counterdie push away (12) piece and all offer the second ramp structure towards the top of described patrix slotting tool (22) one sides, and described the second ramp structure and described the first ramp structure adapt.

3. bending machine die according to claim 1, is characterized in that, described hold down gag (24) comprise briquetting (242) and be positioned at described briquetting (242) and described upper bolster (21) between elastomeric element (241).

4. bending machine die according to claim 1, is characterized in that, the height of described counterdie pushing block (12) is greater than the height of described thruster forming punching head (13).

5. bending machine die according to claim 1, is characterized in that, described cope match-plate pattern (25) is provided with for locating the keeper of processed product.

6. bending machine die according to claim 1, is characterized in that, between described sliding block (11) and downslide backing plate (14), is provided with polytetrafluoroethylene floor.

7. bending machine die according to claim 1, is characterized in that, the upper processed product of placing of described moulding male model (17).