CN208084878U - A kind of back-off core-pulling mechanism and mold - Google Patents

A kind of back-off core-pulling mechanism and mold Download PDF

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Publication number
CN208084878U
CN208084878U CN201820459915.2U CN201820459915U CN208084878U CN 208084878 U CN208084878 U CN 208084878U CN 201820459915 U CN201820459915 U CN 201820459915U CN 208084878 U CN208084878 U CN 208084878U
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China
Prior art keywords
mould shape
mold
pulling
core
mould
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CN201820459915.2U
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Chinese (zh)
Inventor
庄森生
胡洪基
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Xiamen City Chao Precision Die Co Ltd
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Xiamen City Chao Precision Die Co Ltd
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Abstract

The utility model provides a kind of back-off core-pulling mechanism and the mold with the back-off core-pulling mechanism, and back-off core-pulling mechanism includes:Fixed block, mould shape column, back-off mould shape part, wedge piece and drive component, all side concave shapes of the mould shape column are at storage tank, the back-off mould shape part has a back-off mold section and is correspondingly arranged in the storage tank, the lozenges of the back-off mould shape part and wedge piece is in mating connection, movement by wedge piece relative to back-off mould shape part, so that the back-off mold section of back-off mould shape part is switched between all sides and the position being contracted in storage tank that protrude from mould shape column, realizes dropout core pulling;Compared with the existing technology, have the characteristics that simple in structure, trip operation is easy, production efficiency is high.

Description

A kind of back-off core-pulling mechanism and mold
Technical field
The utility model is related to mould applications, and in particular to a kind of back-off core-pulling mechanism on the inside of body main body and have The mold of the back-off core-pulling mechanism.
Background technology
It is internally provided with the core_pulling demoulding of cyclic annular back-off structure for injection-molded item, the prior art uses inserts method, that is, will be at The Loose core block of type ring shape back-off is divided into several sub-blocks, and complete inserts is formed after sub-block split, makes inserts as turnover With and be placed in mold, after product injection molding, inserts is removed from the molds together in company with product, then by manually by tool Sub-block is gradually extracted out in order, until entire inserts is extracted out from product;Above-mentioned inserts method occupies artificial more, cost of labor Height, great work intensity, low production efficiency, therefore, the prior art there is a problem of great work intensity, of high cost, efficiency it is low with not Foot.
Utility model content
Therefore, the utility model provides a kind of back-off core-pulling mechanism suitable on the inside of body main body and has the back-off The mold of core-pulling mechanism, the back-off core-pulling mechanism have the characteristics that simple in structure, trip operation is easy, production efficiency is high.
To achieve the above object, a kind of back-off core-pulling mechanism provided by the utility model, including:Fixed block, falls at mould shape column There are installation notch, the mould shape column to be fixed in installation notch simultaneously for buckling die shape part, wedge piece and drive component, the fixed block Extend the fixed block surface, for all side concave shapes of the mould shape column at storage tank, the back-off mould shape part has one to fall Button mold section is simultaneously correspondingly arranged in the storage tank, and the lozenges of the back-off mould shape part and wedge piece is in mating connection, described Drive component is drivingly connected the wedge piece, and drives wedge piece relative to back-off mould shape part movement, and then makes back-off mould shape part Back-off mold section switch between all sides and the position being contracted in storage tank that protrude from mould shape column.
A kind of preferred embodiment of the utility model, the back-off mould shape part also have an elastic portion, the back-off mold section It is set to one end of the elastic portion, the other end of the elastic portion is fixed on fixed block, the relative movement driving of the wedge piece Elastic portion is in deformation and restores to switch between deformation, and the deformation of the elastic portion, which drives, is buckled to the week that mold section protrudes from mould shape column The recovery deformation of side, the elastic portion drives back-off mold section to be contracted in storage tank.
Another preferred embodiment of the utility model, the driving component include:Sliding block, connecting rod and actuator, it is described The sliding slot being disposed opposite to each other with installation notch is additionally provided on fixed block, the sliding block is slidably set in the sliding slot, the connection Sliding block is fixed in one end of bar, and the other end is connect to installation notch with wedge piece across fixed block.
Further, the actuator is the inclined guide being fixed in the upper mold or lower die of mold, and the sliding block is equipped with With the matched oblique guide hole of the inclined guide, the inclined guide is worn to oblique guide hole, and the relative displacement of inclined guide and oblique guide hole It realizes that driving sliding block slides in sliding slot, and then drives wedge piece relative to back-off mould shape part movement.
Further, further include a dynamic clamping head and quiet clamping head, the dynamic clamping head and quiet clamping head is arranged between sliding block and sliding slot bottom, The dynamic clamping head and quiet clamping head applies an active force far from sliding slot bottom to sliding block.
Another preferred embodiment of the utility model, further includes demoulding component, and the demoulding component includes:Push plate and flexible Driving device, the push plate are sheathed on mould shape column, and the retractable driving device is drivingly connected the push plate, and drives the push plate It is moved back and forth along the axial direction of mould shape column.
The utility model also provides a kind of mold, includes at least back-off core-pulling mechanism described above.
By technical solution provided by the utility model, have the advantages that:
The lozenges of the back-off mould shape part and wedge piece is in mating connection, by wedge piece relative to back-off mould shape part It is mobile, so that the back-off mold section of back-off mould shape part is being protruded between all sides and the position being contracted in storage tank of mould shape column Dropout core pulling is realized in switching;Compared with the existing technology, have the characteristics that simple in structure, trip operation is easy, production efficiency is high.
Description of the drawings
Fig. 1 show the stereoscopic schematic diagram one that core-pulling mechanism is buckled in embodiment;
Fig. 2 show the stereoscopic schematic diagram two that core-pulling mechanism is buckled in embodiment;
Fig. 3 show the part isometric schematic diagram that core-pulling mechanism is buckled in embodiment;
Fig. 4 show the schematic cross-section one that core-pulling mechanism is buckled in embodiment;
Fig. 5 show the schematic cross-section two that core-pulling mechanism is buckled in embodiment.
Specific implementation mode
To further illustrate that each embodiment, the utility model are provided with attached drawing.These attached drawings are in the utility model discloses A part for appearance mainly to illustrate embodiment, and can coordinate the associated description of specification to explain that the running of embodiment is former Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
Shown in Fig. 5, a kind of back-off core-pulling mechanism provided in this embodiment, in specially transparent body main body The back-off core-pulling mechanism of side, including:Fixed block 10, mould shape column 20, back-off mould shape part, wedge piece 40, drive component and demoulding group Part, the sliding slot (not shown) that the fixed block 10 has installation notch (not shown) and is disposed opposite to each other with the installation notch.Institute It states mould shape column 20 and is equipped with two, and be individually fixed in installation notch, and extend 10 surface of the fixed block, for body Injection molding.The back-off mould shape part, wedge piece 40 are equipped with two groups and correspond to two mould shape columns 20 respectively.The mould shape column 20 is located at All side concave shapes of installation notch are four storage tanks, the wedge piece at storage tank (not shown), in this specific embodiment 40 are attached in storage tank, and outer surface is up-narrow and down-wide lozenges 41.The back-off mould shape part have an elastic portion 31 and It is buckled to mold section 32, the back-off mold section 32 is connected to one end of elastic portion 31, and the other end of the elastic portion 31 is fixed on On fixed block 10, the elastic portion 31, which is sticked, to be matched on the lozenges 41 of wedge piece 40, and the back-off mold section 32 is contracted to It is initial position in storage tank.The driving component is drivingly connected the wedge piece 40, and drives wedge piece 40 relative to back-off Mould shape part moves, that is, moves up and down, and lozenges 41 moves up and down the back-off mould shape for being converted into being buckled to mould shape part by wedge piece 40 Portion 32 switches between all sides 201 and the position being contracted in storage tank that protrude from mould shape column 20;I.e. wedge piece 40 is upward When mobile, push the elastic portion 31 of back-off mould shape part to generate deformation and drive and be buckled to the side that mold section 32 protrudes from mould shape column 20 Face 201, state as shown in Figure 4;When wedge piece 40 moves down, the elastic portion 31 of back-off mould shape part restores elastic force, drives Back-off mold section 32 is contracted to the initial position in storage tank, as shown in Figure 5.In other embodiments, elastic portion 31 and wedge shape The cooperation in face 41 can also be slidable clamping engagement, so set, elastic portion 31 may make to be remained with lozenges 41 Fitting prevents elastic portion 31 and generates elastic fatigue, causes to thread off incomplete.
Further, in the present embodiment, the driving component includes:Sliding block 51, connecting rod 52 and actuator, the sliding block 51 are slidably set in the sliding slot, and sliding block 51 is fixed in one end of the connecting rod 52, the other end pass through fixed block 10 to Installation notch are connect with wedge piece 40.
Further, the actuator is the inclined guide (not shown) being fixed in the upper mold or lower die of mold, the cunning Block 51 be equipped with the matched oblique guide hole 511 of the inclined guide, the inclined guide wears to oblique guide hole 511, and inclined guide with The relative displacement of oblique guide hole 511 realizes that driving sliding block 51 slides in sliding slot, and then drives wedge piece 40 relative to back-off mould shape Part moves.
Further, further include a dynamic clamping head and quiet clamping head 60, the setting of the dynamic clamping head and quiet clamping head 60 is in sliding block 51 and sliding slot bottom Between portion, the dynamic clamping head and quiet clamping head 60 applies an active force far from sliding slot bottom to sliding block 51.In the present embodiment, elastic reset Part 60 is specially spring, increases the dynamic clamping head and quiet clamping head 60, can ensure that wedge piece 40 moves down so that back-off mold section 32 is contracted to Initial position in storage tank.
The demoulding component includes:Push plate 72 and retractable driving device 71, the push plate 72 are sheathed on mould shape column 20, institute It states retractable driving device 71 (such as telescopic cylinder) and the push plate 72 is drivingly connected by connecting rod 73, and drive the push plate 72 along mould It is moved back and forth on the axial direction of shape column 20.Further, the connecting rod 73 is equipped with two, and one end of two connecting plates 73 connects It connects in push plate 72, the other end is connected on a connecting plate 74, and the telescopic drive end of the retractable driving device 71 connects the company Fishplate bar 74.Further, guide rod 75 is additionally provided on the fixed block 10, the guiding of the connecting plate 74 is arranged in guide rod 75, ensure that position does not deviate.Increase the demoulding component, after completing to be molded, back-off mold section 32 is contracted in storage tank, described Retractable driving device 71 can be driven push plate 72 and release product, realize smoothly demoulding.
The present embodiment also provides a kind of mold, including upper die and lower die and back-off core-pulling mechanism described above.
By technical solution provided by the utility model, the back-off mould shape part matches company with the lozenges of wedge piece It connects, the movement by wedge piece relative to back-off mould shape part makes the back-off mold section of back-off mould shape part protrude from mould shape column All sides and being contracted between the position in storage tank switch, and realize dropout core pulling;Compared with the existing technology, there is structure letter The features such as list, trip operation are easy, production efficiency is high.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art answers This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the scope of protection of the utility model.

Claims (7)

1. a kind of back-off core-pulling mechanism, which is characterized in that including:Fixed block, mould shape column, back-off mould shape part, wedge piece and driving There are installation notch, the mould shape column to be fixed in installation notch and extend the fixed block surface for component, the fixed block, At storage tank, the back-off mould shape part has a back-off mold section and is correspondingly arranged in this all side concave shapes of the mould shape column In storage tank, the lozenges of the back-off mould shape part and wedge piece is in mating connection, and the driving component is drivingly connected the wedge Shape part, and drive wedge piece relative to back-off mould shape part movement, and then the back-off mold section of back-off mould shape part is made to protrude from mould All sides of shape column and being contracted between the position in storage tank switch.
2. back-off core-pulling mechanism according to claim 1, it is characterised in that:The back-off mould shape part also has an elasticity Portion, the back-off mold section are set to one end of the elastic portion, and the other end of the elastic portion is fixed on fixed block, the wedge shape The relative movement driving elastic portion of part is in deformation and restores to switch between deformation, and the deformation of the elastic portion drives back-off mold section All sides of mould shape column are protruded from, the recovery deformation of the elastic portion drives back-off mold section to be contracted in storage tank.
3. back-off core-pulling mechanism according to claim 1, it is characterised in that:The driving component includes:Sliding block, connecting rod And actuator, the sliding slot being disposed opposite to each other with installation notch is additionally provided on the fixed block, and the sliding block is slidably set to the cunning In slot, sliding block is fixed in one end of the connecting rod, and the other end is connect to installation notch with wedge piece across fixed block.
4. back-off core-pulling mechanism according to claim 3, it is characterised in that:The actuator is the upper mold for being fixed on mold Or the inclined guide in lower die, the sliding block, which is equipped with, to be worn with the matched oblique guide hole of the inclined guide, the inclined guide to tiltedly leading In hole, and the relative displacement of inclined guide and oblique guide hole realizes that driving sliding block slides in sliding slot, so drive wedge piece relative to It is buckled to the movement of mould shape part.
5. back-off core-pulling mechanism according to claim 4, it is characterised in that:Further include a dynamic clamping head and quiet clamping head, the elasticity Return unit is arranged between sliding block and sliding slot bottom, and the dynamic clamping head and quiet clamping head applies an effect far from sliding slot bottom to sliding block Power.
6. back-off core-pulling mechanism according to claim 1, it is characterised in that:Further include demoulding component, the demoulding component Including:Push plate and retractable driving device, the push plate are sheathed on mould shape column, are pushed away described in the retractable driving device drive connection Plate, and the push plate is driven to be moved back and forth along the axial direction of mould shape column.
7. a kind of mold, it is characterised in that:Including at least any back-off core-pulling mechanism of the claims 1 to 6.
CN201820459915.2U 2018-04-03 2018-04-03 A kind of back-off core-pulling mechanism and mold Active CN208084878U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820459915.2U CN208084878U (en) 2018-04-03 2018-04-03 A kind of back-off core-pulling mechanism and mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820459915.2U CN208084878U (en) 2018-04-03 2018-04-03 A kind of back-off core-pulling mechanism and mold

Publications (1)

Publication Number Publication Date
CN208084878U true CN208084878U (en) 2018-11-13

Family

ID=64057573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820459915.2U Active CN208084878U (en) 2018-04-03 2018-04-03 A kind of back-off core-pulling mechanism and mold

Country Status (1)

Country Link
CN (1) CN208084878U (en)

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