CN211842985U - Quick-assembling die with floating inclined drawer and matched ejection structure - Google Patents

Abstract

The utility model relates to an injection mold technical field is a take unsteady fast-assembling mould of taking out and supporting ejecting structure to one side particularly, including movable mould structure and ejecting structure, movable mould structure upside is equipped with the die cavity, and the ejecting passageway that runs through about being equipped with corresponding to the position of die cavity, ejecting structural being equipped with can cooperate in ejecting passageway in the product thimble, be connected with unsteady parting spring between movable mould fixed knot constructs and the movable mould floating structure to be fixed with the movable mould core of taking out to one side on the movable mould floating structure, the movable mould core of taking out to one side pass movable mould fixed knot structure and extend to die cavity department. The utility model has a movable mould floating structure, which effectively solves the problem of demoulding inclined holes of products; the ejection structure is arranged, mass production can be realized, the ejection structure can be directly assembled and disassembled on a machine, and the die repairing efficiency is improved; by adopting the insert type structure, for similar products, a universal mould frame can be adopted, and inserts with different types and shapes in the quick-assembly mould can be replaced, so that the cost is saved.

Description

Quick-assembling die with floating inclined drawer and matched ejection structure

Technical Field

The utility model relates to an injection mold technical field is a take unsteady fast-assembling mould of taking out and supporting ejecting structure to one side particularly.

Background

Injection molds are tools used in the plastic processing industry and in plastic molding machines to impart a complete configuration and precise dimensions to plastic articles. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various. In the use process of the quick-assembly injection mold, the applicant finds that part of products need to be subjected to inclined hole forming on the side of a movable mold, and the existing mold cannot meet the requirement, so that a structure needs to be developed to ensure that an inclined hole mold core is separated from the products firstly and then the products are ejected out, and the production requirement is met.

Disclosure of Invention

An object of the utility model is to solve prior art's not enough, provide a take unsteady fast-assembling mould of taking out and supporting ejecting structure to one side, after injection moulding, can make the movable mould take out the core to one side earlier and break away from the product, then ejecting product again.

In order to achieve the purpose, the fast-assembling die with the floating inclined pull and the matched ejection structure comprises a movable die structure and an ejection structure, wherein a cavity is arranged on the upper side of the movable die structure, an ejection channel which penetrates through the movable die structure up and down is arranged at a position corresponding to the cavity, a product ejector pin which can be matched in the ejection channel is arranged on the ejection structure and used for ejecting an injection-molded product, an ejector pin plate return spring is connected between the movable die structure and the ejection structure and used for applying an acting force far away from the movable die structure to the ejection structure, an ejector pin plate guide and pull-up floating column is further fixed on the movable die structure, and a first limiting section which is matched with the ejection structure is arranged at the lower end of the ejector pin plate guide and pull-up floating column and used for driving the ejection structure to move upwards when the ejector pin plate guide and pull-up floating column moves upwards; the movable mould structure include the movable mould fixed knot that sets gradually from top to bottom construct and movable mould floating structure, movable mould fixed knot construct and movable mould floating structure between be connected with unsteady type spring for apply the effort of keeping away from movable mould floating structure to movable mould fixed knot structure, and movable mould floating structure on be fixed with the movable mould and take out the core to one side, the movable mould take out the core to one side and pass movable mould fixed knot structure and extend to die cavity department.

The utility model discloses still have following preferred technical scheme:

the movable mould fixing structure comprises a movable mould fixing main insert, a cavity is formed in the upper side of the movable mould fixing main insert, a through hole is formed in the range of the cavity of the movable mould fixing main insert, a movable mould fixing small insert is fixed in the through hole, an inclined hole which penetrates through the movable mould fixing small insert from top to bottom is formed in the movable mould fixing small insert, the inclined hole is connected with the movable mould inclined core, the top of the movable mould inclined core can extend into the cavity in the upper end face of the movable mould fixing small insert, the bottom of the movable mould inclined core is connected to the movable mould inclined drawing guide sliding block, and the movable mould inclined drawing guide sliding block is fixed with the movable mould floating structure.

A movable die small insert base plate is also arranged on the lower side of the movable die fixed main insert, and a floating limit screw is fixed on the movable die small insert base plate; the movable die floating structure comprises a movable die floating block positioned on the lower side of the movable die small insert base plate, a step connecting hole is formed in the movable die floating block corresponding to the floating limiting screw, a first step structure is arranged at the lower end of the step connecting hole, a second limiting section is arranged at the lower end of the floating limiting screw, and the lower end of the floating limiting screw extends to the lower side of the movable die floating block and is matched with the outer side of the first step structure through the second limiting section.

The small insert base plate of the movable mold is also fixed with a guide post of the movable mold floating block, and the movable mold floating block is provided with a first guide hole corresponding to the guide post of the movable mold floating block so as to guide the movement of the movable mold floating block.

The upper end of the stepped connecting hole is also provided with a second stepped structure, the floating parting spring is sleeved on the outer circumferential side of the floating limiting screw, and the floating parting spring is abutted between the movable die small insert base plate and the second stepped structure.

The movable mould floating block on still be equipped with the via hole of stepping down, the via hole of stepping down in-coordination have the thimble board direction and pull-up unsteady post, the movable mould little insert backing plate on correspond to the via hole of stepping down be equipped with the locating hole, the thimble board direction and pull-up unsteady post the upper end pass behind the via hole of stepping down and fixed mutually with movable mould fixed knot structure, thimble board return spring can overlap locate the thimble board direction and pull-up unsteady post the circumference outside, and support and hold between movable mould fixed knot structure and ejecting structure.

The ejector structure comprises an ejector pin fixing plate, the product ejector pin is arranged on the upper side of the ejector pin fixing plate, and the first limiting section of the lower end of the ejector pin plate guiding and pulling-up floating column is located on the lower side of the ejector pin fixing plate and can be limited by the lower end face of the ejector pin fixing plate.

The thimble fixing plate is provided with a first matching hole corresponding to the thimble plate guiding and pulling-up floating column, and the thimble plate guiding and pulling-up floating column penetrates through the first matching hole and is provided with a circumferential extension section at the lower end of the lower side of the thimble fixing plate so as to form a first limiting section.

The ejection structure further comprises an ejection fixed block positioned on the lower side of the thimble fixing plate, an ejection fixed block positioning column is arranged on the lower side of the thimble fixing plate, and an ejection fixed block positioning hole is formed in the ejection fixed block corresponding to the ejection fixed block positioning column.

Beneficial effects of the utility model

The utility model provides an advantage of taking out and supporting fast-assembling mould of ejecting structure to one side that floats in area includes but is not limited to: the utility model provides a take out and supporting fast-assembling mould of ejecting structure to one side that floats, composite structure is simple feasible relatively, easily installs and dismantles, and its advantage lies in:

1. the parts of the fast-assembling die are fast to assemble, easy to assemble and easy to adjust.

2. The fast-assembling mould has movable mould floating structure, has effectively solved product inclined hole drawing of patterns problem.

3. The fast-assembling mould has ejecting structure, can the volume production and direct dismouting on the machine, improves and repaiies mould efficiency.

4. By adopting the insert type structure, for similar products, a universal mould frame can be adopted, and inserts with different types and shapes in the quick-assembly mould can be replaced, so that the cost is saved.

Drawings

Fig. 1 schematically shows a perspective structure of the present invention;

fig. 2 schematically shows a cross-sectional view of one side of the invention;

fig. 3 schematically shows a cross-sectional view of another side of the invention;

fig. 4 schematically shows the mechanism of the present invention in operation 1;

fig. 5 schematically shows the mechanism of the present invention in operation 2;

fig. 6 schematically shows a mechanism action diagram 3 of the present invention;

fig. 7 schematically shows the mechanism of the present invention in operation 4;

in the figure: 1. the movable die is used for fixing a main insert 2, a movable die is used for fixing a small insert 3, a movable die inclined drawing core 4, a movable die small insert base plate 5, a movable die main insert positioning block 6, a movable die floating block 7, a movable die floating block guide post 8, a movable die inclined drawing slide block 9, a movable die inclined drawing slide block fixing limit screw 10, an ejector pin fixing plate 11, an ejector fixed block 12, an ejector fixed block fixing bolt 13, an ejector pin plate guide and upper floating drawing post 14, an ejector pin plate return spring 15, a product ejector pin 16, a floating limit screw 17, a floating parting spring 18, an ejector fixed block positioning post 19, a yielding through hole 20, a first limit section 21, a second limit section 22, a first step structure 23, a second step structure 24, a step structure 25 and a first guide hole.

Detailed Description

Referring to fig. 1, the embodiment provides a fast-assembling mold with a floating inclined pull-out and matched ejection structure, which mainly comprises a movable mold structure and an ejection structure, wherein a cavity is arranged on the upper side of the movable mold structure, an ejection channel penetrating up and down is arranged at a position corresponding to the cavity, the ejection structure is arranged on the lower side of the movable mold structure and is provided with a product ejector pin 15 capable of being matched in the ejection channel for ejecting an injection molded product, an ejector plate return spring 14 is connected between the movable mold structure and the ejection structure and is used for applying an acting force far away from the movable mold structure, namely a downward acting force to the ejection structure, the movable mold structure is further fixed with the upper end of an ejector plate guide and pull-up floating column 13, the lower end of the ejector plate guide and pull-up floating column 13 is provided with a first limit section 20 matched with the ejection structure, the ejector mechanism is used for driving the ejector structure to move upwards when the ejector plate guides and pulls up the floating column 13 to move upwards.

And the movable mould structure comprises a movable mould fixing structure and a movable mould floating structure which are sequentially arranged from top to bottom, a floating parting spring 17 is connected between the movable mould fixing structure and the movable mould floating structure and used for applying acting force far away from the movable mould floating structure to the movable mould fixing structure, namely, upward acting force, the movable mould fixing structure is internally provided with a movable mould inclined core drawing 3 which is obliquely arranged, and the lower end of the movable mould inclined core drawing 3 is fixed with the movable mould floating structure.

In this embodiment, a cavity is disposed on the upper side of the movable mold fixing structure, and an ejection channel which is connected with each other and penetrates up and down is disposed on the movable mold fixing structure and the movable mold floating structure corresponding to the cavity, preferably, the ejection channel is disposed on the lower side of the middle portion of the cavity, with reference to fig. 2 and 3, the movable mold fixing structure includes a movable mold fixing main insert 1, the upper side of the movable mold fixing main insert 1 has a cavity for injection molding of a product, and the movable mold fixing main insert 1 has a through hole within the cavity, a movable mold fixing small insert 2 is fixed in the through hole, for example, the fixing can be realized by a known method such as bolt connection, and an inclined hole which penetrates up and down is disposed in the movable mold fixing small insert 2, the inclined hole is connected with an inclined movable mold core 3 in a matching manner, and the top of the inclined mold core 3 can extend into the cavity on the upper end face of the movable mold fixing small insert 2, thereby can be in injection moulding's product shaping inclined hole, the movable mould core 3 is taken out to one side to the bottom of being connected to the movable mould and is taken out slider 8 to one side, and the movable mould is taken out slider 8 and movable mould floating structure to one side and is fixed mutually.

In addition, a movable die small insert backing plate 4 is further arranged on the lower side of the movable die fixed main insert 1, a floating limit screw 16 and a movable die floating block guide post 7 are fixed on the movable die small insert backing plate 4, the movable die floating structure comprises a movable die floating block 6 positioned on the lower side of the movable die small insert backing plate 4, a first guide hole 25 in the vertical direction is formed in the movable die floating block 6 corresponding to the movable die floating block guide post 7 so as to guide the movement of the movable die floating block, a step connecting hole is formed in the movable die floating block 6 corresponding to the floating limit screw 16, a first step structure 22 is arranged at the lower end of the step connecting hole, a second limit section 21 is arranged at the lower end of the floating limit screw 16, the lower end of the floating limit screw 16 extends to the lower side of the movable die floating block 6 and is matched with the outer side of the first step structure 22 through the second limit section 21, the second stopper section 21 in this embodiment is an extension section extending from the middle portion to the outer side in the circumferential direction, and the diameter thereof is larger than the minimum diameter of the stepped connection hole, so that the floating stopper screw 16 cannot be separated upward from the stepped connection hole.

In addition, the upper end of the stepped connecting hole is further provided with a second stepped structure 23, and a floating parting spring 17 is sleeved on the outer circumferential side of the floating limiting screw 16 and used for applying acting force pointing to the movable die fixing structure, namely, upward acting force.

And, the movable mould floating block 6 on still be equipped with and step down via hole 19, step down via hole 19 fit in have the thimble board lead and pull up floating post 13, the small insert backing plate 4 of movable mould on correspond to step down via hole 19 be equipped with the locating hole, the thimble board lead and pull up the upper end of floating post 13 and pass behind stepping down via hole 19 and fixed mutually with the movable mould fixed knot, simultaneously, thimble board return spring 14 can overlap locate the thimble board lead and pull up the circumference outside of floating post 13, and support and hold between movable mould fixed knot structure and ejecting structure.

In addition, the ejecting structure includes an ejector fixing plate 10 and an ejecting fixing block 11 located at the lower side of the ejector fixing plate 10, the upper side of the ejector fixing plate 10 is connected with the product ejector pin 15, and a first limiting section 20 of the lower end of the ejector plate guiding and pulling floating column 13 is located at the lower side of the ejector fixing plate 10 and can be limited by the lower end surface of the ejector fixing plate 10, for example, a first matching hole is formed on the ejector fixing plate 10 corresponding to the ejector plate guiding and pulling floating column 13, the ejector plate guiding and pulling floating column 13 passes through the first matching hole and is provided with a circumferential extension section at the lower end of the lower side of the ejector fixing plate 10 to form the first limiting section 20, so that the diameter of the lower end of the ejector plate guiding and pulling floating column 13 is larger than that of the first matching hole, the ejector plate guiding and pulling floating column 13 can be limited by the lower end surface of the ejector fixing plate 10, when the thimble board direction and pull-up floating column 13 move up, can drive thimble fixed plate 10 to move up, in addition, ejection fixed block 11 correspond to the thimble board direction and pull-up floating column 13's lower extreme still be equipped with the hole of stepping down to cooperate with first spacing section 20, first spacing section 20 can reciprocate in stepping down the hole.

In addition, in the present embodiment, the fixed ejection block 11 is fixed to the mold frame ejection plate by a fixing plug 12, and preferably, a positioning column 18 for positioning the fixed ejection block is disposed at the lower side of the thimble fixing plate 10, and a positioning hole for positioning the fixed ejection block is disposed in the fixed ejection block 11 corresponding to the positioning column 18 for positioning the fixed ejection block 11 with respect to the mold frame ejection plate, which is used for ejecting the fixed ejection block 11.

Examples

In this embodiment, the quick-assembly mold with the floating inclined extraction and matched ejection structure comprises a movable mold template, the movable mold template comprises a movable mold installation template and a movable mold floating template, the movable mold floating template is arranged on the lower side of the movable mold installation template, a movable mold fixing structure is connected in the movable mold installation template in a matching manner, the movable mold floating template is connected in the movable mold floating structure in a matching manner, step structures 24 are arranged on the lower sides of the four corners of the movable mold fixed main insert 1 and can be matched with the upper side of the movable mold main insert positioning block 5, and the movable mold main insert positioning block 5 is matched in the movable mold installation template and used for positioning the movable mold fixed main insert 1.

After the plastic product is injection-molded by closing the mold, the mold is opened, at this time, the movable mold fixing structure does not receive downward acting force any more, so that the movable mold fixing main insert 1, the movable mold fixing small insert 2, the movable mold small insert backing plate 4, the movable mold main insert positioning block 5 and the ejector plate guiding and pulling floating column 13 of the movable mold fixing structure move upwards by 5mm under the driving of the upward acting force exerted by the compressed floating parting spring 17, and the ejector plate guiding and pulling column pulls the ejector fixing plate 10 to move upwards through the first limiting section 20 at the lower end, so as to drive the ejector plate return spring 14, the product ejector pin 15 and the ejector fixing block positioning column 18 connected with the ejector fixing plate 10 to move upwards synchronously. At this time, because the movable mold slider 6 does not move, the movable mold inclined drawing guide slider 8 and the movable mold inclined drawing core 3 connected with the movable mold slider 6 generate downward relative movement relative to the mold cavity, and the movable mold inclined drawing core 3 is firstly released from the product.

Then, the ejector fixing block 11 is pushed to move upward by 5mm by a driving mechanism, such as an ejector rod of an injection molding machine, so as to drive the ejector fixing plate 10 and the product ejector 15 to move upward to eject the product and the flow channel, and the ejector fixing plate 10 compresses the ejector plate return spring 14 when moving upward.

After taking away the product and the runner, the ejector rod of the injection molding machine moves down and returns, the compressed ejector plate return spring 14 is released to drive the ejector fixing plate 10 to move down by 5mm, at the moment, the mold is closed again, and the movable mold fixing main insert 1, the movable mold fixing small insert 2, the movable mold small insert backing plate 4, the movable mold main insert positioning block 5 and the ejector plate guiding and upward pulling floating column 13 of the movable mold fixing structure move down by 5mm under the action of external force, so that the movable mold inclined core 3 is reset. The mass production of products can be realized by repeating the action of the upper mechanism.

The above, only for the concrete implementation of this utility model, but the scope of protection of this utility model is not limited to this, and any person skilled in this technical field is in the technical scope of this utility model discloses, according to the technical scheme of this utility model and novel design add in equal replacement or change, all should be covered in the scope of protection of this utility model.

Claims (9)

1. A fast-assembling mould with a floating inclined drawer and a matched ejection structure comprises a movable mould structure and an ejection structure, and is characterized in that a cavity is arranged on the upper side of the movable mould structure, an ejection channel which penetrates through the movable mould structure from top to bottom is arranged at a position corresponding to the cavity, a product ejector pin which can be matched in the ejection channel is arranged on the ejection structure and is used for ejecting an injection-molded product, an ejector pin plate return spring is connected between the movable mould structure and the ejection structure and is used for applying an acting force far away from the movable mould structure to the ejection structure, an ejector pin plate guiding and upward-pulling floating column is further fixed on the movable mould structure, and a first limiting section which is matched with the ejection structure is arranged at the lower end of the ejector pin plate guiding and upward-pulling floating column and is used for driving the ejection structure to move upwards when the ejector pin plate guiding and upward-pulling;

the movable mould structure include the movable mould fixed knot that sets gradually from top to bottom construct and movable mould floating structure, movable mould fixed knot construct and movable mould floating structure between be connected with unsteady type spring for apply the effort of keeping away from movable mould floating structure to movable mould fixed knot structure, and movable mould floating structure on be fixed with the movable mould and take out the core to one side, the movable mould take out the core to one side and pass movable mould fixed knot structure and extend to die cavity department.

2. The quick-assembling die with the floating inclined drawing and matched ejection structure as claimed in claim 1, wherein the movable die fixing structure comprises a movable die fixing main insert, a cavity is formed in the upper side of the movable die fixing main insert, a through hole is formed in the range of the cavity of the movable die fixing main insert, a movable die fixing small insert is fixed in the through hole, an inclined hole penetrating up and down is formed in the movable die fixing small insert, the movable die inclined drawing core is connected in the inclined hole in a matched mode, the top of the movable die inclined drawing core can extend into the cavity in the upper end face of the movable die fixing small insert, the bottom of the movable die inclined drawing core is connected to the movable die inclined drawing guide slider, and the movable die inclined drawing guide slider is fixed with the movable die floating structure.

3. The quick-assembling die with the floating inclined drawing and matched ejection structure as claimed in claim 1, wherein a movable die small insert backing plate is further arranged on the lower side of the movable die fixed main insert, and a floating limit screw is fixed on the movable die small insert backing plate;

the movable die floating structure comprises a movable die floating block positioned on the lower side of the movable die small insert base plate, a step connecting hole is formed in the movable die floating block corresponding to the floating limiting screw, a first step structure is arranged at the lower end of the step connecting hole, a second limiting section is arranged at the lower end of the floating limiting screw, and the lower end of the floating limiting screw extends to the lower side of the movable die floating block and is matched with the outer side of the first step structure through the second limiting section.

4. The quick-assembling die with the floating inclined drawing and matched ejection structure as claimed in claim 3, wherein a movable die slider guide post is further fixed on the movable die small insert base plate, and a first guide hole is formed in the movable die slider corresponding to the movable die slider guide post so as to guide the movement of the movable die slider.

5. The quick-assembling die with the floating inclined drawing and matched ejection structure as claimed in claim 3, wherein a second step structure is further arranged at the upper end of the step connecting hole, the floating parting spring is sleeved on the circumferential outer side of the floating limiting screw, and the floating parting spring is abutted between the movable die small insert base plate and the second step structure.

6. The fast-assembling mold with floating inclined drawing and matched ejection structure according to claim 3, wherein the movable mold slider is further provided with a relief through hole, the ejector pin plate guiding and pulling floating column is matched in the relief through hole, the movable mold small insert base plate is provided with a positioning hole corresponding to the relief through hole, the upper end of the ejector pin plate guiding and pulling floating column passes through the relief through hole and then is fixed with the movable mold fixing structure, and the ejector pin plate return spring can be sleeved on the circumferential outer side of the ejector pin plate guiding and pulling floating column and abuts against between the movable mold fixing structure and the ejection structure.

7. The package mold assembly of claim 1 wherein said ejector structure comprises a pin retainer plate, said product pins being disposed on said pin retainer plate, and said pin retainer plate guiding and pulling up said floating posts having first retaining portions at lower ends thereof located on a lower side of said pin retainer plate and capable of being retained by a lower end surface of said pin retainer plate.

8. The mold package with floating inclined drawing and supporting ejecting structure as claimed in claim 7, wherein said ejector fixing plate is provided with a first mating hole corresponding to said ejector plate guiding and pulling floating column, and said ejector plate guiding and pulling floating column passing through said first mating hole is provided with a circumferential extension at a lower end of a lower side of said ejector fixing plate to form a first stopper section.

9. The mold package of claim 6 further comprising an ejector retainer block on the underside of said ejector retainer plate, said ejector retainer plate having ejector retainer block positioning posts on the underside thereof, said ejector retainer block having ejector retainer block positioning holes corresponding to said ejector retainer block positioning posts.

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