CN209350828U - Mechanism of the control resin material cutting before die sinking - Google Patents

Abstract

Mechanism of the control resin material cutting before die sinking, belong to thermoplastic plastics shaping mould applications, it is intracavitary the type between moving die insert and moving template to be arranged in the mechanism of cutting by control resin material before die sinking, it is effectively utilized die space and saves die cost, in the packing stage of mold injection, by control resin material before being opened the mechanism application of cutting, the material for cutting off semi-molten state achievees the purpose that the separation of realization product and material handle to produce automatically, it ensure that product with material separating the smooth of cut surface, product material is improved cut surface quality, the step of reducing product secondary operation, improve production efficiency, the fraction defective for reducing product reaches technical requirements and requirement.

Description

Mechanism of the control resin material cutting before die sinking

Technical field

The utility model belongs to thermoplastic plastics shaping mould applications, and control resin material is cutting before being related to a kind of die sinking Mechanism, being mainly used in can not place in the mold of cast gate on Surface Appearance, need to realize material after being applied especially to die sinking In the mold being automatically separated with product.

Background technique

As people are higher and higher to outer appearnce plastic product surface quality requirement, the precision of mold also mentions therewith with mechanism Height, cast gate cannot be placed in appearance visible face when outer appearnce plastic product injection molding, can only be placed on cast gate in non-visible face, Product demanding for appearance, it is full in order to fill, injection cycle is reduced, the flat mode into glue is typically chosen, it is flat Materials are automatically cut out cutting device into the usually manual material reducing handle of the existing technology of glue or after product injection molding, and this two kinds The all more wasteful cost of form, increases the cost of secondary operation, and product has been due to having cooled down, the meeting in flat gate cutting There are residuals, influence product quality.

Summary of the invention

The purpose of the utility model is to provide control resin materials before die sinking the mechanism of cutting, realizes material after mold die sinking Being automatically disengaged with looking products.

The technical problems to be solved in the utility model is that the mechanism of cutting is solved mold using control resin material before die sinking After injection molding, just makes product and material being detached from both after die sinking material cutting before die sinking, reach automatic production Purpose, improve product material cut surface quality, improve production efficiency.

The technical solution of the utility model is: before die sinking control resin material its structure of the mechanism of cutting include: material 1, Cutting tip 2, spring 3, guide support column 4, guide pad 5, moving die insert 6, moving template 7, pressure ring 8, supporting block 9, micro hydraulic cylinder 10, sealing ring 11, guiding block pressur plate 12 and product 13；Its connection relationship is that cutting tip 2 is equipped with hanging platform, and guide pad 5 is equipped with Hanging platform slot, central spring hole and threaded hole, the main part and 5 face contact of guide pad of cutting tip 2 are limited by hanging platform to be fitted close, The head of cutting tip 2 and 6 face contact of moving die insert are simultaneously slidably matched, and guide support column 4 is equipped with thread spindle, the thread spindle with Guide pad 5 is threadedly engaged and fixes, spring 3 and 5 clearance fit of guide support column 4 and guide pad, and the bottom surface of spring 3 and dynamic model are inlayed 6 face contact of block ejects spring 3 when capital does well in micro hydraulic cylinder 10 and is in compressive state, guide pad 5 and moving die insert 6 Face contact is slidably matched, and guiding block pressur plate 12 is locked with 6 face contact of moving die insert by bolt, guiding block pressur plate 12 and guiding 5 face contact of block and limiting prevents it from falling off, the distance between type bottom of chamber face of 5 top surface of guide pad and moving die insert 6 is guide pad 5 The range ability of sliding；Micro hydraulic cylinder 10 is equipped with ejection column and seal groove, sealing ring 11 and supporting block 9 and micro hydraulic cylinder 10 face contacts are fitted close, and supporting block 9 is equipped with oil circuit hole, seal groove, indent and threaded hole, and supporting block 9 connects with 7 face of moving template Touching is fitted close and is locked by bolt；8 bottom surface of pressure ring and 10 upper surface face contact of micro hydraulic cylinder are fitted close, pressure ring 8 It is locked with 9 face contact of supporting block by bolt；Moving die insert 6 is fitted close with 7 face contact of moving template and is locked by bolt； The cutting tip 2 setting in material 1 and 13 contact position of product, cutting tip 2 with expect 1 angle to be set as 80~100 degree, it is described to cut The head setting of broken end 2 is angled, and the angle being arranged on 2 head of cutting tip is identical as the face angle degree to be cut of product 13, For cutting material before 1, the head of cutting tip 2 and 13 distance of product are set as 1~3mm.

Working principle of the control resin material the mechanism of cutting before die sinking are as follows: mold is after Injection hold pressure, injection molding machine Electronic signal is supplied to cutting ancillary equipment, hydraulic oil starts that micro hydraulic cylinder 10 is pushed to be acted, micro hydraulic cylinder 10 On ejection column start guide pad 5 is contacted and continued to press on guide pad 5 and slided in moving die insert 6, spring 3 simultaneously by It is compressed to pressure, cutting tip 2 is moved along the guide groove of moving die insert 6 at the same time, and cutting tip 2 enters material 1 interior progress Cutoff action, after the type bottom of chamber face contact of 5 top surface of guide pad and moving die insert 6, thoroughly cutting material makes to expect 1 cutting tip 21 It is separated with product 13, at this time hydraulic cylinder release, the ejection column retraction on micro hydraulic cylinder 10, spring 3 leans on screen resilience at the same time It pushes guide pad 5 to reset and hydraulic cylinder ejection column is driven to reset, complete cutoff action.

The beneficial effects of the utility model are: control resin material is arranged the mechanism of cutting in 6 He of moving die insert before die sinking Type between moving template 7 is intracavitary, is effectively utilized die space and saves die cost, in the packing stage of mold injection, leads to Control resin material cuts off the application of the mechanism of cutting the material of semi-molten state realization product 13 and expects 1 before crossing die sinking Separation achievees the purpose that produce automatically, ensure that product 13 separates the smooth of cut surface 1 with material, improves 13 cut surface of product Quality, improves production efficiency, the fraction defective for reducing product 13 reaches skill at the step of reducing 13 secondary operation of product Art requires and requirement.

Detailed description of the invention

Below in conjunction with attached drawing, illustrated with embodiment.

Fig. 1 is mechanism sectional view of the preceding control resin material of die sinking cutting.

Fig. 2 is the preceding control resin material of die sinking the schematic diagram before the mechanism cutoff action of cutting.

Schematic diagram when Fig. 3 is mechanism cutoff action of the preceding control resin material of die sinking cutting.

Fig. 4 is positive isometric view of the preceding control resin material of die sinking the mechanism core component of cutting.

Fig. 5 is that the mechanism of cutting is oriented to block pressur plate 12 by the preceding control resin material of die sinking and moving die insert 6 cooperates schematic diagram.

In figure: 1 material handle；2 cutting tips；3 springs；4 guide support columns；5 guide pads；6 moving die inserts；7 moving templates；8 pressure rings； 9 supporting blocks；10 micro hydraulic cylinders；11 sealing rings；12 guiding block pressur plates；13 products.

Specific embodiment

Describe the specific embodiment of utility model in detail below with reference to technology text and attached drawing.

Control resin material is that sealing ring 11 is fitted on micro hydraulic cylinder 10 the assembling process of the mechanism of cutting before die sinking In the seal groove of setting, as a whole, it is machined good in supporting block 9 to be fitted in for micro hydraulic cylinder 10 and sealing ring 11 In first layer angle counterbore, sealing ring 11 is contacted and is sealed with the first layer angle counterbore bottom surface in supporting block 9, and pressure ring 8 is equipped In manufactured second layer angle counterbore in supporting block 9, bolt passes through pressure ring 8 and it is locked with supporting block 9, presses It is intracavitary close that ring 8, supporting block 9, micro hydraulic cylinder 10 and sealing ring 11 are fitted in the type that moving template 7 processes as a whole Cooperation, bolt pass through moving template 7 and supporting block 9 and moving template 7 are locked；The screw thread and guiding being arranged in guide support column 4 The threaded hole locking being arranged on block 5 is equipped, and spring 3 is fitted in the angle counterbore processed on guide pad 5, guide support column 4 Fixed spring 3 prevents spring upper and lower position play in the position of guide pad 5, and cutting tip 2 is fitted in be ground on guide pad 5 With the equipped limit of hanging platform and guide pad 5 in tankage, being arranged in cutting tip 2, cutting tip 2, spring 3, guide support column 4 and guiding Block 5 is fitted in that the angle shape that 6 bottom of moving die insert processes is intracavitary, and the head of cutting tip 2 is fitted in dynamic model as a whole In the inclined hole processed in insert 6, guiding block pressur plate 12 is fitted in the counterbore that 6 bottom of moving die insert processes, and bolt passes through It is locked with moving die insert 6 (see figure 5) by guiding block pressur plate 12, and guiding block pressur plate 12 limits guide pad 5, prevents from being oriented to Block 5 falls off from moving die insert 6；Cutting tip 2, spring 3, guide support column 4, guide pad 5, moving die insert 6 and guiding block pressur plate 12 are fitted in that the type processed on moving template 7 is intracavitary as a whole, while contacting with the pressure ring 8 being fitted on moving template 7 And it is fixed, moving template 7 and moving die insert 6 are locked and are fixed by last bolt, and mechanism assembling finishes (see figure 1).

Control resin material is the operational process of the mechanism of cutting before die sinking are as follows: mold after Injection hold pressure, product with Material is being also connected with as an entirety, and electronic signal is supplied to cutting ancillary equipment by injection molding machine, and hydraulic oil starts to push miniature liquid Cylinder pressure 10 is acted, and the ejection column on micro hydraulic cylinder 10, which starts guide pad 5 is contacted and continued to press on guide pad 5, to exist Sliding in moving die insert 6, spring 3 is under pressure simultaneously to be compressed, at the same time guide groove of the cutting tip 2 along moving die insert 6 Movement, cutting tip 2, which enters, expects 1 interior progress cutoff action, after the type bottom of chamber face contact of 5 top surface of guide pad and moving die insert 6, Thoroughly cutting material makes to expect to separate (see figure 3) with product 13 1 cutting tip 21, hydraulic cylinder release at this time, on micro hydraulic cylinder 10 Ejection column retraction, at the same time spring 3 by screen resilience push guide pad 5 reset and drive hydraulic cylinder ejection column reset, complete Cutoff action (see Fig. 2, Fig. 4).

The above is the superior embodiment of the utility model, it is noted that technology neck affiliated for the utility model For the technical staff in domain, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, These improvement and deformations also should be regarded as the protection scope of the utility model.

Claims (1)

1. mechanism of the control resin material cutting before die sinking, it is characterised in that its structure includes: material (1), cutting tip (2), bullet Spring (3), guide support column (4), guide pad (5), moving die insert (6), moving template (7), pressure ring (8), supporting block (9), miniature liquid Cylinder pressure (10), sealing ring (11), guiding block pressur plate (12) and product (13)；Its connection relationship, which is that cutting tip (2) is equipped with, hangs Platform, guide pad (5) are equipped with hanging platform slot, central spring hole and threaded hole, the main part of cutting tip (2) and guide pad (5) face Contact is limited by hanging platform and is fitted close, and the head of cutting tip (2) and moving die insert (6) face contact are simultaneously slidably matched, guide support Column (4) is equipped with thread spindle, and the thread spindle is threadedly engaged and fixes with guide pad (5), spring (3) and guide support column (4) With guide pad (5) clearance fit, the bottom surface of spring (3) and moving die insert (6) face contact eject capital in micro hydraulic cylinder (10) Spring (3) is in compressive state when doing well, and guide pad (5) is slidably matched with moving die insert (6) face contact, is oriented to block pressur plate (12) it is locked with moving die insert (6) face contact by bolt, guiding block pressur plate (12) and guide pad (5) face contact and limit are prevented Only it falls off, the operation that the distance between type bottom of chamber face of guide pad (5) top surface and moving die insert (6) is slided for guide pad (5) Distance；Micro hydraulic cylinder (10) is equipped with ejection column and seal groove, sealing ring (11) and supporting block (9) and micro hydraulic cylinder (10) Face contact is fitted close, and supporting block (9) is equipped with oil circuit hole, seal groove, indent and threaded hole, supporting block (9) and moving template (7) Face contact tight fit is locked by bolt；Closely match with micro hydraulic cylinder (10) upper surface face contact pressure ring (8) bottom surface It closes, pressure ring (8) is locked with supporting block (9) face contact by bolt；Moving die insert (6) is closely matched with moving template (7) face contact Conjunction is locked by bolt；Cutting tip (2) setting is being expected (1) and product (13) contact position, cutting tip (2) and material handle (1) angle is set as 80~100 degree, and angled, the angle being arranged on cutting tip (2) head is arranged in the head of the cutting tip (2) Degree is identical as product (13) face angle degree to be cut, before cutting expects (1), the head and product (13) of cutting tip (2) Distance is set as 1~3mm.