CN113878794A - Injection mold with replaceable insert and use method - Google Patents

Injection mold with replaceable insert and use method Download PDF

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Publication number
CN113878794A
CN113878794A CN202111124768.6A CN202111124768A CN113878794A CN 113878794 A CN113878794 A CN 113878794A CN 202111124768 A CN202111124768 A CN 202111124768A CN 113878794 A CN113878794 A CN 113878794A
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CN
China
Prior art keywords
mounting hole
insert
rod
sliding
injection mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111124768.6A
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Chinese (zh)
Inventor
王玉良
刘加
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Prix Electronics Co ltd
Original Assignee
Shenzhen Prix Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Prix Electronics Co ltd filed Critical Shenzhen Prix Electronics Co ltd
Priority to CN202111124768.6A priority Critical patent/CN113878794A/en
Publication of CN113878794A publication Critical patent/CN113878794A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2673—Moulds with exchangeable mould parts, e.g. cassette moulds
    • B29C45/2675—Mounting of exchangeable mould inserts

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model relates to an injection mold of removable mold insert belongs to injection mold's technical field, and it includes movable mould and cover half the movable mould can be dismantled and be connected with the mold insert, be provided with the locking mechanical system who is used for installing the mold insert on the movable mould, first mounting hole has been seted up on the die cavity inner wall of movable mould, the second mounting hole has been seted up at the back of movable mould, first mounting hole and second mounting hole communicate with each other, locking mechanical system fixed connection is on the inner wall of second mounting hole, the one end of mold insert is passed first mounting hole and can be dismantled with locking mechanical system and be connected. This application has the intensity of labour who reduces the staff, improves staff's work efficiency, need not make a mould once more simultaneously, reduction in production cost's effect.

Description

Injection mold with replaceable insert and use method
Technical Field
The application relates to the technical field of injection molds, in particular to an injection mold with a replaceable insert and a using method.
Background
The plastic injection mold is a tool for producing plastic products and has wide application. The traditional router set top box injection mold is provided with a mold for a product, the set top box of the same manufacturer is similar in size and appearance, only part of details are changed, but the mold needs to be manufactured again, the manufacturing cost is high, and resource waste is caused.
Disclosure of Invention
In order to avoid remanufacturing a mold for a set-top box product with only partial details being different, the application provides an injection mold with a replaceable insert and a use method.
The application provides a pair of injection mold of removable mold insert adopts following technical scheme:
the utility model provides an injection mold of removable mold insert, includes movable mould and cover half the movable mould can be dismantled and be connected with the mold insert, be provided with the locking mechanical system who is used for installing the mold insert on the movable mould, first mounting hole has been seted up on the die cavity inner wall of movable mould, the second mounting hole has been seted up at the back of movable mould, first mounting hole and second mounting hole communicate with each other, locking mechanical system fixed connection is on the inner wall of second mounting hole, the one end of mold insert is passed first mounting hole and can be dismantled with locking mechanical system and be connected.
Through adopting above-mentioned technical scheme, when the staff pours the work piece that the part details are different, the staff only need loosen locking mechanical system, thereby take off the inside of the first mounting hole of old mold insert, pass into new mold insert from the inside of first mounting hole, make partly the inside of inserting the second mounting hole of mold insert, later use locking mechanical system to fix the mold insert, when the work piece is only partly details different, the staff need not change and pours the mould, only need change the mold insert can, the intensity of labour of staff has been reduced, the work efficiency of staff has been improved soon, do not need to make a mould once more simultaneously, and the production cost is reduced.
Optionally, the locking mechanism comprises a clamping assembly arranged on the inner wall of the second mounting hole and a control assembly for driving the clamping assembly; and a third mounting hole is formed in the side surface of the movable die, the third mounting hole is perpendicular to and communicated with the second mounting hole, and the control assembly is arranged in the third mounting hole.
Through adopting above-mentioned technical scheme, when the staff was installing the mold insert, the staff passed through the switch of control assembly control centre gripping subassembly to make things convenient for the staff to dismantle and change the mold insert.
Optionally, the control assembly includes a driving rod slidably connected inside the third mounting hole and a sliding rod slidably connected inside the second mounting hole, both the end portion of the driving rod close to the sliding rod and the end portion of the sliding rod close to the driving rod are inclined planes, the inclined planes of the driving rod and the sliding rod are slidably connected, the driving rod is perpendicular to the sliding rod, and when the driving rod slides, the sliding rod is close to or away from the insert under the action of the inclined plane.
By adopting the technical scheme, when the driving rod is pushed, as the connecting position between the driving rod and the slide rod is the inclined plane, the driving rod drives the slide rod to be far away from the insert or to be close to the insert under the action of the inclined plane, the slide rod drives the clamping mechanism to work in the sliding process, when the slide rod is close to the insert, the clamping mechanism is tightened up to clamp and fix the insert, otherwise, the clamping mechanism loosens the insert, so that a worker can conveniently replace the insert.
Optionally, a fixed seat is fixedly connected to the side surface of the movable mold, a driving nut is rotatably connected to the fixed seat, and the end portion, far away from the sliding rod, of the driving rod extends out of the third mounting hole and is in threaded connection with the driving nut.
Through adopting above-mentioned technical scheme, when needs remove the actuating lever, the staff rotates drive nut, and under the effect of screw thread, the actuating lever slides in the inside of third mounting hole, and when the position of the fixed actuating lever of needs, drive nut can also inject the position of actuating lever, makes things convenient for the state and the centre gripping mold insert of the fixed centre gripping subassembly of staff.
Optionally, the clamping assembly is provided with at least three groups, the clamping assembly is symmetrical about the center line of the second mounting hole, and the clamping assembly is connected with the end part, far away from the driving rod, of the sliding rod in a sliding manner.
By adopting the technical scheme, in the moving process of the sliding rod, the sliding rod synchronously drives the clamping assembly to move, so that the connecting assembly is synchronously controlled to clamp or release the insert.
Optionally, the clamping assembly comprises a mounting seat fixedly connected to the inner wall of the second mounting hole and a sliding block slidably connected to the mounting seat, an inclined plane is arranged on one side, close to the sliding block, of the mounting seat, an inclined plane is arranged on one side, close to the mounting seat, of the sliding block, the mounting seat and the sliding block are slidably connected together through the inclined plane, and when the sliding rod is close to the insert, the sliding block is close to the insert.
Through adopting above-mentioned technical scheme, when the slide bar was close to the mold insert, the slide bar promoted the sliding block and removed, because through the inclined plane cooperation between sliding block and the mount pad, the sliding block was close to the mold insert and tightly the butt on the side of mold insert under the effect on inclined plane, and the cooperation of a plurality of sliding blocks is fixed the mold insert centre gripping.
Optionally, the inclined plane of the mounting seat is fixedly connected with a sliding rail, and the inclined plane of the sliding block is connected with the sliding rail in a sliding manner.
Through adopting above-mentioned technical scheme, the slide rail has reduced the frictional force between sliding block and the mount pad to make the staff can drive the sliding block better.
Optionally, the cross section of the second mounting hole is rectangular.
Through adopting above-mentioned technical scheme, set the inner wall of second mounting hole to the plane and make things convenient for the staff to install the mount pad on the inner wall of second mounting hole.
Optionally, a connecting hole is formed in the movable mold, the first mounting hole and the second mounting hole are connected through the connecting hole, a connecting rod is fixedly connected to the insert, and the cross section of the connecting rod is a regular polygon.
Through adopting above-mentioned technical scheme, when the staff was installing the mold insert, locking mechanical system fixed the mold insert through centre gripping fixed connection pole, set the connecting rod to just changing the post to make things convenient for locking mechanical system centre gripping spliced pole more.
In a second aspect, the application provides a use method of an injection mold with a replaceable insert, which adopts the following technical scheme:
the use method of the injection mold with the replaceable insert comprises the following steps:
a. adjusting the clamping assembly; the worker rotates the driving nut, drives the driving rod to slide through the driving nut, and then drives the clamping assembly to work through the sliding rod to slide;
b. installing an insert; the worker penetrates the connecting rod through the first mounting hole and the connecting hole, and inserts the connecting rod into the second mounting hole, so that the connecting rod is positioned in the middle of the clamping assembly;
c. clamping the insert; the staff rotates the driving nut, and the driving nut drives the actuating lever to slide, the actuating lever drives the slide bar to move towards the direction of being close to the mold insert through the inclined plane, and the slide bar drives the sliding block to be close to the connecting rod and tightly clamps the connecting rod.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the working personnel pours a part of workpieces with different details, the working personnel only need to loosen the locking mechanism, take down the old insert from the inside of the first mounting hole, transmit the new insert from the inside of the first mounting hole, insert a part of the insert into the inside of the second mounting hole, and then fix the insert by using the locking mechanism;
2. when the driving rod is pushed, as the connecting position between the driving rod and the sliding rod is an inclined plane, the driving rod drives the sliding rod to be far away from the insert or to be close to the insert under the action of the inclined plane, the sliding rod drives the clamping mechanism to work in the sliding process, when the sliding rod is close to the insert, the clamping mechanism is tightened up to clamp and fix the insert, otherwise, the clamping mechanism loosens the insert, so that a worker can conveniently replace the insert;
3. when the actuating lever was removed to needs, the staff rotated drive nut, and under the effect of screw thread, the actuating lever slided in the inside of third mounting hole, and when the position of the actuating lever was fixed to needs, drive nut can also inject the position of actuating lever, makes things convenient for the fixed centre gripping subassembly's of staff state and centre gripping mold insert.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a schematic structural view of a lock mechanism according to an embodiment of the present application.
Fig. 3 is a schematic view of the structure of an insert in an embodiment of the present application.
Description of reference numerals: 1. moving the mold; 11. a first mounting hole; 12. a second mounting hole; 13. a third mounting hole; 14. a fixed seat; 141. a drive nut; 15. connecting holes; 2. fixing a mold; 3. an insert; 31. a connecting rod; 4. a locking mechanism; 41. a clamping assembly; 411. a mounting seat; 412. a slider; 413. a slide rail; 42. a control component; 421. a drive rod; 422. a slide bar.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
In a first aspect, an embodiment of the application discloses an injection mold with a replaceable insert.
Referring to fig. 1, an insert-replaceable injection mold includes a movable mold 1, a stationary mold 2, an insert 3 installed on a side surface of a cavity of the movable mold 1, and a locking mechanism 4 installed on the movable mold 1. The side wall of the cavity of the movable die 1 is provided with a first mounting hole 11, a second mounting hole 12 and a third mounting hole 13, the insert 3 is mounted inside the first mounting hole 11, the locking mechanism 4 comprises a clamping assembly 41 mounted inside the second mounting hole 12 and a control assembly 42 mounted inside the third mounting hole 13, the first mounting hole 11 and the second mounting hole 12 are coaxially arranged, the first mounting hole 11 and the second mounting hole 12 are communicated through a connecting hole 15, and the third mounting hole 13 and the second mounting hole 12 are communicated and perpendicular to each other.
One end of the insert 3 penetrates through the connecting hole 15 and extends into the second mounting hole 12, a worker can control the state of the clamping assembly 41 through the control assembly 42, and the clamping assembly 41 can clamp the insert 3 or release the insert 3 under the control of the control assembly 42, so that the worker can conveniently replace the insert 3 according to the condition of an injection molding workpiece.
Referring to fig. 2, the control assembly 42 includes a driving rod 421 inserted into the third mounting hole 13 and a sliding rod 422 inserted into the second mounting hole 12, the driving rod 421 can slide inside the third mounting hole 13, and the driving rod 421 drives the sliding rod 422 to slide inside the second mounting hole 12 during the sliding process. The driving rod 421 and the sliding rod 422 are perpendicular to each other, and the end surfaces of the driving rod 421 and the sliding rod 422, which are close to each other, are both inclined surfaces, and the two are matched through the inclined surfaces. The inclined plane of the driving rod 421 is welded with a sliding block, the inclined plane of the sliding rod 422 is provided with a sliding groove, the sliding block and the sliding groove are in sliding fit, when the driving rod 421 slides towards the direction of the sliding rod 422, the sliding rod 422 slides towards the direction of the insert 3 under the action of the inclined plane, otherwise, the sliding rod 422 slides towards the direction far away from the insert 3.
Referring to fig. 1 and 2, use the bolt to install fixing base 14 on the side of movable mould 1, set up the back preformed hole on fixing base 14, the preformed hole sets up with third mounting hole 13 is coaxial, the diameter of preformed hole is greater than the diameter of third mounting hole 13, wear to be equipped with drive nut 141 in the inside of preformed hole, the tip welding of drive nut 141 has the spacing ring, fixing base 14 passes through the position of spacing ring fixed drive nut 141, the drive screw thread can rotate in the inside of preformed hole. The end of the driving rod 421 away from the sliding rod 422 extends out of the third mounting hole 13 and passes through the driving nut 141 to be in threaded engagement with the driving nut 141. When the worker rotates the driving nut 141, the driving nut 141 drives the driving rod 421 to slide inside the third mounting hole 13.
Referring to fig. 1 and 2, the clamping assemblies 41 are provided in at least three, the clamping assemblies 41 being about a center line of the second mounting hole 12. The clamping assembly 41 comprises a mounting seat 411 welded on the inner wall of the second mounting hole 12, a guide rail mounted on the side of the mounting seat 411 close to the insert 3 by using a bolt, and a sliding block 412 mounted on a sliding rail 413 in a sliding manner, wherein the side of the mounting seat 411 close to the sliding block 412 is an inclined surface, and the sliding block 412 is in sliding fit with the end of the sliding rod 422 through the sliding block and the sliding groove.
When the slide 422 approaches the insert 3, the slide 422 pushes the slide block 412 to move toward the cavity of the movable mold 1, and at the same time, the slide block 412 approaches the insert 3 by the inclined surface of the mounting seat 411, and finally the slide block 412 abuts against the side surface of the insert 3 tightly, and the insert 3 is clamped and fixed by the clamping assemblies 41 through the cooperation of the plurality of clamping assemblies 41. The cross-sectional shape of the second mounting hole 12 is rectangular, the inner wall of the second mounting hole 12 is a plane, and the mounting seat 411 is welded on the inner wall of the second mounting hole 12.
Referring to fig. 3, the insert 3 is welded with the connecting rod 31, the connecting rod 31 is in a regular polygon shape, when the worker installs the insert 3, the connecting rod 31 sequentially passes through the first installation hole 11 and the connection hole 15 and extends into the second installation hole 12, and when the clamping assembly 41 clamps the insert 3, the sliding block 412 abuts against the side surface of the connecting rod 31.
The implementation principle of the injection mold with the replaceable insert 3 in the embodiment of the application is as follows: when the worker installs the insert 3, the worker rotates the connecting driving nut 141 to make the sliding block 412 away from each other, the worker transfers the connecting rod 31 into the inside of the second connecting hole 15 from the first mounting hole 11, and then the worker rotates the driving nut 141 to make the sliding block 412 tightly abut against the side surface of the connecting column, so that the insert 3 is clamped and fixed, when the insert 3 needs to be disassembled, the worker rotates the driving nut 141 to make the sliding block 412 gradually away from the connecting column, so that the insert 3 is taken down.
In a second aspect, the embodiment of the present application further discloses a use method of the injection mold with the replaceable insert 3.
The use method of the injection mold with the replaceable insert comprises the following steps:
a. adjusting the clamping assembly 41; the worker rotates the driving nut 141, drives the driving rod 421 to slide through the driving nut 141, and thus drives the clamping assembly 41 to work through the sliding rod 422;
b. installing an insert 3; the worker inserts the connecting rod 31 into the second mounting hole 12 by passing the connecting rod 31 through the first mounting hole 11 and the connecting hole 15 such that the connecting rod 31 is positioned in the middle of the clamping assembly 41;
c. clamping the insert 3; the operator rotates the driving nut 141, the driving nut 141 drives the driving rod 421 to slide, the driving rod 421 drives the sliding rod 422 to move towards the direction of approaching the insert 3 through the inclined surface, and the sliding rod 422 drives the sliding block 412 to approach the connecting rod 31 and clamp the connecting rod 31.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an injection mold of removable mold insert which characterized in that: including movable mould (1) and cover half (2) movable mould (1) can be dismantled and be connected with mold insert (3), be provided with locking mechanical system (4) that are used for installing mold insert (3) on movable mould (1), first mounting hole (11) have been seted up on the die cavity inner wall of movable mould (1), second mounting hole (12) have been seted up at the back of movable mould (1), first mounting hole (11) and second mounting hole (12) communicate with each other, locking mechanical system (4) fixed connection is on the inner wall of second mounting hole (12), the one end of mold insert (3) is passed first mounting hole (11) and can be dismantled with locking mechanical system (4) and be connected.
2. The replaceable insert injection mold of claim 1, wherein: the locking mechanism (4) comprises a clamping component (41) arranged on the inner wall of the second mounting hole (12) and a control component (42) used for driving the clamping component (41); and a third mounting hole (13) is formed in the side surface of the movable die (1), the third mounting hole (13) is perpendicular to and communicated with the second mounting hole (12), and the control assembly (42) is arranged in the third mounting hole (13).
3. The replaceable insert injection mold of claim 2, wherein: the control assembly (42) comprises a driving rod (421) connected inside the third mounting hole (13) in a sliding manner and a sliding rod (422) connected inside the second mounting hole (12) in a sliding manner, the end part, close to the sliding rod (422), of the driving rod (421) and the end part, close to the driving rod (421), of the sliding rod (422) are inclined planes, the inclined planes of the driving rod (421) and the sliding rod (422) are connected in a sliding manner, the driving rod (421) is perpendicular to the sliding rod (422), and when the driving rod (421) slides, under the action of the inclined planes, the sliding rod (422) is close to or far away from the insert (3).
4. The replaceable insert injection mold of claim 3, wherein: fixedly connected with fixing base (14) on the side of movable mould (1), rotate on fixing base (14) and be connected with drive nut (141), the tip that slide bar (422) was kept away from in actuating lever (421) stretches out third mounting hole (13) and with drive nut (141) threaded connection.
5. The replaceable insert injection mold of claim 3, wherein: the clamping assemblies (41) are provided with at least three groups, the clamping assemblies (41) are symmetrical about the center line of the second mounting hole (12), and the clamping assemblies (41) are connected with the end portions, far away from the driving rod (421), of the sliding rods (422) in a sliding mode.
6. The replaceable insert injection mold of claim 5, wherein: the clamping assembly (41) comprises a mounting seat (411) fixedly connected to the inner wall of the second mounting hole (12) and a sliding block (412) connected to the mounting seat (411) in a sliding mode, an inclined surface is arranged on one side, close to the sliding block (412), of the mounting seat (411), an inclined surface is arranged on one side, close to the mounting seat (411), of the sliding block (412), the mounting seat (411) and the sliding block (412) are connected together in a sliding mode through the inclined surface, and when the sliding rod (422) is close to the insert (3), the sliding block (412) is close to the insert (3).
7. The replaceable insert injection mold of claim 6, wherein: the inclined plane of mount pad (411) is gone up fixedly connected with slide rail (413), the inclined plane and slide rail (413) sliding connection of sliding block (412) are in the same place.
8. The replaceable insert injection mold of claim 5, wherein: the cross section of the second mounting hole (12) is rectangular.
9. The replaceable insert injection mold of claim 1, wherein: a connecting hole (15) is formed in the inner portion of the movable die (1), the first mounting hole (11) is connected with the second mounting hole (12) through the connecting hole (15), a connecting rod (31) is fixedly connected to the insert (3), and the cross section of the connecting rod (31) is a regular polygon.
10. The use of an insert replaceable injection mold according to any one of claims 1-9, wherein: the method comprises the following steps:
an adjustment clamping assembly (41); the worker rotates the driving nut (141), the driving rod (421) is driven to slide through the driving nut (141), and therefore the sliding rod (422) slides, and the clamping assembly (41) is driven to work;
installing an insert (3); the worker penetrates the connecting rod (31) through the first mounting hole (11) and the connecting hole (15), and inserts the connecting rod (31) into the second mounting hole, so that the connecting rod (31) is positioned in the middle of the clamping assembly (41);
a clamping insert (3); the worker rotates the driving nut (141), the driving nut (141) drives the driving rod (421) to slide, the driving rod (421) drives the sliding rod (422) to move towards the direction close to the insert (3) through the inclined surface, and the sliding rod (422) drives the sliding block (412) to be close to the connecting rod (31) and clamp the connecting rod (31).
CN202111124768.6A 2021-09-25 2021-09-25 Injection mold with replaceable insert and use method Pending CN113878794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111124768.6A CN113878794A (en) 2021-09-25 2021-09-25 Injection mold with replaceable insert and use method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111124768.6A CN113878794A (en) 2021-09-25 2021-09-25 Injection mold with replaceable insert and use method

Publications (1)

Publication Number Publication Date
CN113878794A true CN113878794A (en) 2022-01-04

Family

ID=79006573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111124768.6A Pending CN113878794A (en) 2021-09-25 2021-09-25 Injection mold with replaceable insert and use method

Country Status (1)

Country Link
CN (1) CN113878794A (en)

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