CN202062449U

CN202062449U - Clamping mechanism device for resin product blanking

Info

Publication number: CN202062449U
Application number: CN2011200945366U
Authority: CN
Inventors: 陈诚
Original assignee: GUANGZHOU DONGHAI MINFU AUTO PARTS CO Ltd
Current assignee: GUANGZHOU DONGHAI MINFU AUTO PARTS CO Ltd
Priority date: 2011-03-28
Filing date: 2011-03-28
Publication date: 2011-12-07
Anticipated expiration: 2021-03-28

Abstract

The utility model relates to a clamping mechanism device for resin product blanking, which comprises an insert placed on a lower die, wherein the edge of the insert is inserted into an inner cavity of a product. The clamping mechanism device is characterized in that an oblique hole gradually inclining to the product side from bottom to top is arranged on the insert, a wedge matched with the oblique hole is arranged in the oblique hole, the bottom of the wedge is abutted to the upper end of a first spring, an ejector rod mechanism capable of pressing the wedge before blanking is arranged above the wedge, and a second spring enables the insert to return and arranged between the lower die and the insert. The oblique hole of the insert and the wedge are matched with each other, when the ejector rod mechanism is descended to push the wedge to move downwards, a product to be cut is driven by the insert to slightly move to a cutter side by the aid of a slope in the oblique hole, and thereby zero gap is reserved between a portion of the product to be cut on the insert and a cutter, clamping force of the product to be cut is changed simultaneously, burrs are avoided in blanking, and quality of the product after blanking can be effectively guaranteed.

Description

A kind of clamp mechanism device of stamping-out naval stores

Technical field

The utility model relates to a kind of clamp mechanism device, specifically refers to a kind of clamp mechanism device that can control the product clamping force when the stamping-out naval stores.

Background technology

On the existing vehicle various resinae products are installed, as ornamental strip, most of ornamental strip bodies are by the extrusion die extrusion molding of resinae material by extruder.Then, according to the needs of automobile assembling, the end of ornamental strip body is carried out die-cut, to obtain all kinds of required forms.At present, when die-cut above-mentioned ornamental strip, general earlier the ornamental strip body being positioned on the abaculus of mould, promptly on the counterdie of mould, be fixed with the edge and can stretch into abaculus in the ornamental strip body cavity, the position to be cut of the corresponding ornamental strip body of the blade of cutting knife, cutting knife is arranged in the gathering sill of cutting die, and is supported by spring and to reset, and the top of cutting knife is provided with the depression bar that is fixed in upper bolster.When beginning when die-cut, along with moving down of upper bolster, depression bar is pushed cutting knife, make that cutting knife moves down after, the excess stock at position to be cut on the product is cut.

Owing to need cooling after the extrusion molding of resin (TPO) series products, and in cooling procedure, the section configuration of product has ± variation of 0.5mm.And above-mentioned blanking die does not have the function of automatic compensation, therefore, when product is less than normal, inserts behind the mould abaculus and has the gap between the cutting knife, and this gap can make the product section after die-cut have and cut off burr and step is arranged, thereby influence the outward appearance after the product cut-out.

The utility model content

Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of and can adjust clamping force and can eliminate the clamp mechanism device of the stamping-out naval stores in gap between position to be cut and the cutting knife when die-cut.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the clamp mechanism device of this stamping-out naval stores comprises that the edge is inserted in the product cavity and is placed on abaculus on the counterdie, it is characterized in that: described abaculus is provided with the bottom-up inclined hole that tilts gradually to the product side, in this inclined hole, be placed with the voussoir that matches with this inclined hole, the upper end of the bottom of this voussoir and first spring offsets, be provided with the post rod mechanism that can before die-cut, press this voussoir above this voussoir, between described counterdie and abaculus, be provided with second spring that described abaculus is resetted simultaneously.

As further improvement of the utility model, described first spring is arranged in the through hole of counterdie, is positioned at the adjusting rod that is threaded on the die bottom plate under the described counterdie, and the lower end of the upper end of this adjusting rod and described first spring offsets.When running into the product size variation, can rotate adjusting rod, change the stroke of first spring, just can control the clamping force of product as required, to satisfy the die-cut needs of different product.

Scheme is preferably, described second spring can be arranged in the spring eye of abaculus, one end and the described abaculus of this second spring offset, the other end offsets with the described counterdie of contiguous product to be cut side, on described counterdie, be fixed with simultaneously the limited block that the described abaculus of restriction moves away from the product to be cut side, i.e. this moment, second spring is the form of stage clip, can certainly spring is placed on opposite side and becomes the form of extension spring.

In order to ensure the smooth sliding of abaculus, between the upper surface of described abaculus bottom and counterdie, slide rail and the chute of arranging and cooperatively interacting along the abaculus glide direction can be set.

Preferred scheme is, described post rod mechanism can comprise the push rod in upper module and slip that is fixed on the upper bolster and the through hole that is limited in upper module, and is provided with the 3rd spring that the top with described push rod offsets in described through hole.

Compared with prior art, the utility model can be by the cooperation of inclined hole in the abaculus and voussoir, make in the process that post rod mechanism decline promotion voussoir moves down, utilize the inclined-plane in the inclined hole, force abaculus to drive product to be cut and do micro-moving to the cutting knife side, be the zero clearance between product position to be cut on the abaculus and the cutting knife thereby make, changed the clamping force of product to be cut simultaneously, burr occurs when avoiding die-cut and can guarantee the quality of product after die-cut effectively.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment when die-cut;

Fig. 2 is the diagrammatic sketch of bowing of Fig. 1;

Fig. 3 is the structural representation after die-cut the finishing among Fig. 1.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1 to Figure 3, product to be cut is the ornamental strip a that uses on the automobile in the present embodiment, the blanking die 1 of die-cut this ornamental strip a comprises that the cutting die 12 that is placed on the die bottom plate 11, counterdie 13 are with upper bolster 14, cutting knife 15 is arranged in the gathering sill 121 of cutting die 12, and is supported and resetted by compression spring 16; Be fixed with the block b that limits ornamental strip to be cut position on the counterdie 13; Be fixed with the depression bar 17 that is positioned at the cutting knife top on the upper bolster 14, when upper bolster 14 moved down, this depression bar 17 can be pushed cutting knife 15 and cutting knife 15 is moved down.

In the present embodiment, increased the clamp mechanism device of stamping-out naval stores in the above-mentioned blanking die, the clamp mechanism device comprises that the edge is inserted in the ornamental strip inner chamber to be cut and is placed on abaculus 2 on the counterdie 13, abaculus is provided with the bottom-up inclined hole 21 that tilts gradually to ornamental strip side to be cut, in this inclined hole, be placed with the voussoir 3 that matches with this inclined hole, the upper end of the bottom of this voussoir 3 and first spring 4 offsets, first spring 4 is arranged in the through hole of counterdie 13, adjusting rod 5 is threaded on the aforesaid die bottom plate 11, the lower end of the upper end of this adjusting rod 5 and first spring 4 offsets, utilize first spring 4, can make voussoir 3 have the trend that rises and be exposed to inclined hole 21 all the time, and by means of adjusting rod 5, can change the compression travel of first spring 4, thereby can regulate the size of thrust according to the variation of product size, to satisfy the die-cut needs of different product.

Be provided with on the aforementioned upper bolster 14 be positioned at voussoir 3 above post rod mechanism 6, post rod mechanism comprises upper module 61 and the push rod 62 that is fixed on the upper bolster 14, wherein push rod 62 slides and is limited in the through hole of upper module 61, also be provided with simultaneously the 3rd spring 63 that the top with push rod offsets in the through hole above push rod 62, under the effect of the 3rd spring 63, push rod 62 exposes downwards, and the bottom after push rod exposes is lower than the lower end of depression bar 17, make before die-cut, push rod 62 presses voussoir earlier, voussoir 3 can be moved down along inclined hole 21, make abaculus 3 drive ornamental strip to be cut simultaneously, and finally clamp abaculus 2 to the cutting die side shifting.

In order to ensure steadily moving of abaculus, between the upper surface of abaculus bottom and counterdie, slide rail 7 and the chute 8 of arranging and cooperatively interacting along the abaculus glide direction is set, see also Fig. 2.Between counterdie and abaculus, be provided with simultaneously second spring 9 that abaculus is resetted.In the present embodiment, second spring 9 is arranged in the spring eye of abaculus 2, one end and the abaculus 2 of this second spring 9 offset, and the other end offsets with the counterdie 13 of contiguous ornamental strip side to be cut, are fixed with the limited block 10 that the restriction abaculus moves simultaneously on the counterdie away from ornamental strip side to be cut.

When die-cut, earlier ornamental strip to be cut is stretched into and when end and block b offset, again ornamental strip to be cut is fixed on the edge of abaculus, upper bolster is moved down, drive depression bar and push rod and move down, push rod is pushed down voussoir earlier and is moved down, simultaneously, force abaculus to make trace and move, make between product position to be cut on the abaculus and the cutting knife to be the zero clearance to the cutting die side by means of the inclined-plane in the inclined hole, when push rod compressed abaculus, depression bar began to press down cutting knife and carries out die-cut position to be cut.In case die-cut finishing, when depression bar began to leave cutting knife, cutting knife resetted under the effect of compression spring gradually, equally when push rod begins to leave voussoir, voussoir begins to reset under the effect of first spring, simultaneously, abaculus begins under the effect of second spring away from cutting knife, up to keeping off mutually with limited block, at this moment, die-cut good ornamental strip can be taken off from abaculus, go round and begin again like this, realize the die-cut of product.

Claims

1. the clamp mechanism device of a stamping-out naval stores, comprise that the edge is inserted in the product cavity and is placed on abaculus on the counterdie, it is characterized in that: described abaculus is provided with the bottom-up inclined hole that tilts gradually to the product side, in this inclined hole, be placed with the voussoir that matches with this inclined hole, the upper end of the bottom of this voussoir and first spring offsets, be provided with the post rod mechanism that can before die-cut, press this voussoir above this voussoir, between described counterdie and abaculus, be provided with second spring that described abaculus is resetted simultaneously.

2. the clamp mechanism device of stamping-out naval stores according to claim 1, it is characterized in that: described first spring is arranged in the through hole of counterdie, be positioned at the adjusting rod that is threaded on the die bottom plate under the described counterdie, the lower end of the upper end of this adjusting rod and described first spring offsets.

3. the clamp mechanism device of stamping-out naval stores according to claim 1 and 2, it is characterized in that: described second spring is arranged in the spring eye of described abaculus, one end and the described abaculus of this second spring offset, the other end offsets with the described counterdie of contiguous product to be cut side, is fixed with the limited block that the described abaculus of restriction moves simultaneously on the described counterdie away from the product to be cut side.

4. the clamp mechanism device of stamping-out naval stores according to claim 3 is characterized in that: between the upper surface of described abaculus bottom and described counterdie slide rail and the chute of arranging and cooperatively interacting along the abaculus glide direction is set.

5. the clamp mechanism device of stamping-out naval stores according to claim 1 and 2, it is characterized in that: described post rod mechanism comprises the push rod in upper module and slip that is fixed on the upper bolster and the through hole that is limited in upper module, and is provided with the 3rd spring that the top with described push rod offsets in described through hole.