CN214687453U - Plastic mold capable of quickly disassembling and assembling mold insert - Google Patents

Abstract

The utility model discloses a plastic mould capable of quickly dismounting and mounting mold inserts, which comprises a plastic mould body, wherein the plastic mould body comprises an upper mould and a lower mould, the bottom of the upper mould is movably clamped with the top of the lower mould, the bottom of the upper mould and the top of the lower mould are both provided with a mould cavity, a plurality of mounting holes are arranged on the inner wall of the top of the mould cavity on the upper mould, the mold inserts are movably sleeved in the mounting holes, and the upper mould is provided with a synchronous adjusting mechanism and a quick dismounting mechanism which are matched with the plurality of mold inserts; the synchronous adjusting mechanism comprises a clip frame which is movably contacted with the top of the upper die. The utility model relates to a rationally, be convenient for stretch into the length of die cavity to a plurality of mold inserts in step and adjust, improve regulation efficiency, can reduce its frequency of changing through the length of stretching into of adjusting the mold insert, and be convenient for realize the change operation to the mold insert fast through the mode of simple push-and-pull, need not carry out the dismouting to the mould when changing, improve change efficiency.

Description

Plastic mold capable of quickly disassembling and assembling mold insert

Technical Field

The utility model relates to a plastic mould technical field especially relates to a but plastic mould of quick assembly disassembly mold insert.

Background

When a plastic mold is used for processing household electrical appliances, because the structure of the product is complex, a plurality of inserts are usually required to be arranged on the lower surface of an upper mold to complete the molding of the product in a matching way, and inserts with different shapes are required to be replaced according to different types of plastic products;

the existing insert replacing mode is to disassemble the mold, take out the old insert of the upper mold and replace the old insert with the insert for processing a new product, because the inserts are mostly fixed on the upper mold by adopting a plurality of bolts, the mode of disassembling the mold and taking out the insert is time-consuming and labor-consuming, and the mold is frequently disassembled and assembled, abrasion among all parts can be caused by friction and the like, and the precision of the mold is influenced; in order to solve the problem of frequently changing the mold insert, the application number: 201820891818.0, it is through the height of adjusting the mold insert, make the mold insert embedding mould cavity inside, change the shape of mould cavity according to the shape of different products, make the mould adapt to the product of different grade type under the condition of not opening the mould and changing the mold insert, but it adjusts the mode to the height of mold insert one by one, it is inefficient to adjust, and inconvenient later stage changes the mold insert of different shapes, can not satisfy the user demand, improve to the above-mentioned condition, therefore we have proposed a plastic mould that can quick assembly disassembly mold insert and used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic mold capable of quickly disassembling and assembling mold inserts.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plastic mold capable of quickly disassembling and assembling mold inserts comprises a plastic mold body, wherein the plastic mold body comprises an upper mold and a lower mold, the bottom of the upper mold is movably clamped with the top of the lower mold, mold cavities are respectively formed in the bottom of the upper mold and the top of the lower mold, a plurality of mounting holes are formed in the inner wall of the top of the mold cavity on the upper mold, the mold inserts are movably sleeved in the mounting holes, and a synchronous adjusting mechanism and a quick disassembling and assembling mechanism which are matched with the mold inserts are arranged on the upper mold;

the synchronous adjusting mechanism comprises a clip frame movably contacted with the top of the upper die, a moving plate is arranged above the clip frame, the bottom of the moving plate is fixedly connected with a plurality of connecting rods, the bottom ends of the connecting rods extend into corresponding mounting holes, insert threads are sleeved on the corresponding connecting rods, the clip frame is sleeved on the connecting rods, the bottom two sides of the clip frame are fixedly connected with clip blocks, the top two sides of the upper die are respectively provided with a first rectangular groove, the bottom of the clip block extends into the corresponding first rectangular groove and is designed as a conical mechanism, the top of the clip block is provided with a second rectangular groove, the bottom two sides of the moving plate are respectively fixedly connected with a rectangular rod, the bottom ends of the rectangular rods extend into the corresponding second rectangular grooves, the clip frame is sleeved on the two rectangular rods in a sliding manner, a screw rod is rotatably arranged on the inner wall of the bottom of the second rectangular groove, and the top end of the screw rod extends to the upper side of the upper die and is fixedly connected with a chain wheel, the two chain wheels are in transmission connection with the same chain, the rectangular rods are sleeved on the corresponding screw rods in a threaded manner, the movable plate is sleeved on the two screw rods, and the top of the chain wheel on the left side in the two chain wheels is fixedly connected with a T-shaped knob;

quick assembly disassembly mechanism is including the card hole, the card hole is seted up and is located the left side inner wall of left second rectangular channel in two second rectangular channels on, the card downthehole activity has clamped L shape kelly, lie in two first rectangular channels and seted up first rectangular hole on the left side inner wall of left first rectangular channel, the left side of L shape kelly runs through the left side that first rectangular hole extended to last mould, spacing hole has been seted up on the top inner wall of first rectangular hole, fixedly connected with stopper on the bottom inner wall of L shape kelly, stopper and spacing hole sliding connection, fixedly connected with spring between the left side of stopper and the left side inner wall in spacing hole.

Preferably, second rectangular holes are formed in two sides of the top of the square frame, and the inner walls of the second rectangular holes are connected with the outer sides of the corresponding rectangular rods in a sliding mode.

Preferably, the bottom end of the rectangular rod is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw rod.

Preferably, both sides of the top of the moving plate are provided with through holes, and the screw rods are located in the corresponding through holes and are not in contact with the inner walls of the through holes.

Preferably, the top of the insert is provided with a thread groove, the outer side of the connecting rod is provided with an external thread, and the external thread is in threaded connection with the corresponding thread groove.

Preferably, a rotating groove is formed in the inner wall of the bottom of the second rectangular groove, a bearing is fixedly sleeved in the rotating groove, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the corresponding screw rod.

Preferably, the equal fixedly connected with locating piece in bottom four corners of last mould, the constant head tank has all been seted up in the top four corners of lower mould, the outside of locating piece and the inner wall movable contact of the constant head tank that corresponds.

Compared with the prior art, the beneficial effects of the utility model are that:

the mold insert adjusting device comprises a lower die, an upper die, a die cavity, mounting holes, mold inserts, a clip frame, a movable plate, connecting rods, a fixture block, a first rectangular groove, a second rectangular groove, a screw rod, a rectangular rod, a chain wheel, a chain, a clamping hole, a first rectangular hole, an L-shaped clamping rod, a limiting hole and a limiting block, wherein the first rectangular groove, the second rectangular groove, the screw rod, the rectangular rod, the chain wheel, the chain, the clamping hole, the L-shaped clamping rod, the limiting hole and the limiting block are matched with a spring;

when the insert is required to be taken out for replacement, the L-shaped clamping rod is pulled leftwards to drive the limiting block to slide in the limiting hole and compress the spring, the L-shaped clamping rod is moved leftwards out of the clamping hole, then the clip frame is pulled upwards to drive the two clamping blocks to respectively move out of the corresponding first rectangular grooves, the clamping blocks sequentially drive the moving plate to move upwards through the corresponding screw rods and the rectangular rods, the moving plate drives the plurality of inserts to respectively move out of the corresponding mounting holes through the plurality of connecting rods, at the moment, the insert can be rotated forwards and separated from the corresponding connecting rods, then a new insert is rotated reversely to be sleeved on the corresponding connecting rods, then the moving plate is moved downwards to drive the plurality of inserts to respectively move into the corresponding mounting holes through the plurality of connecting rods, the moving plate sequentially drives the clamping blocks to move downwards to the corresponding first rectangular grooves through the rectangular rods, the screw rods and the bearing, and then the left pulling force of the L-shaped clamping rod is released, the elasticity of the spring in a compressed state drives the L-shaped clamping rod to move rightwards into the clamping hole through the limiting block, so that the insert is fixed in the corresponding mounting hole, and replacement is completed.

The utility model relates to a rationally, be convenient for stretch into the length of die cavity to a plurality of mold inserts in step and adjust, improve regulation efficiency, can reduce its frequency of changing through the length of stretching into of adjusting the mold insert, and be convenient for realize the change operation to the mold insert fast through the mode of simple push-and-pull, need not carry out the dismouting to the mould when changing, improve change efficiency.

Drawings

Fig. 1 is a schematic structural view of a plastic mold with a quickly detachable insert according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100 lower dies, 101 upper dies, 102 die cavities, 1 mounting hole, 2 inserts, 3-shaped frames, 4 moving plates, 5 connecting rods, 6 clamping blocks, 7 first rectangular grooves, 8 second rectangular grooves, 9 screw rods, 10 rectangular rods, 11 chain wheels, 12 chains, 13 clamping holes, 14 first rectangular holes, 15L-shaped clamping rods, 16 limiting holes, 17 limiting blocks and 18 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a plastic mold capable of quickly dismounting and mounting an insert comprises a plastic mold body, wherein the plastic mold body comprises an upper mold 101 and a lower mold 100, the bottom of the upper mold 101 is movably clamped with the top of the lower mold 100, mold cavities 102 are respectively arranged at the bottom of the upper mold 101 and the top of the lower mold 100, a plurality of mounting holes 1 are arranged on the inner wall of the top of the mold cavity 102 on the upper mold 101, an insert 2 is movably sleeved in each mounting hole 1, and a synchronous adjusting mechanism and a quick dismounting mechanism which are matched with the plurality of inserts 2 are arranged on the upper mold 101;

the synchronous adjusting mechanism comprises a clip frame 3 which is movably contacted with the top of an upper die 101, a moving plate 4 is arranged above the clip frame 3, a plurality of connecting rods 5 are fixedly connected with the bottom of the moving plate 4, the bottom ends of the connecting rods 5 extend into corresponding mounting holes 1, an insert 2 is sleeved on the corresponding connecting rods 5 in a threaded manner, the clip frame 3 is sleeved on the connecting rods 5, clamping blocks 6 are fixedly connected with the two sides of the bottom of the clip frame 3, first rectangular grooves 7 are respectively arranged on the two sides of the top of the upper die 101, the bottoms of the clamping blocks 6 extend into the corresponding first rectangular grooves 7 and are arranged into a conical mechanism, a second rectangular groove 8 is arranged on the top of the clamping block 6, rectangular rods 10 are fixedly connected with the two sides of the bottom of the moving plate 4, the bottom ends of the rectangular rods 10 extend into the corresponding second rectangular grooves 8, the clip frame 3 is sleeved on the two rectangular rods 10 in a sliding manner, and a screw rod 9 is rotatably arranged on the inner wall of the bottom of the second rectangular groove 8, the top ends of the screw rods 9 extend to the upper side of the moving plate 4 and are fixedly connected with chain wheels 11, the two chain wheels 11 are in transmission connection with a same chain 12, the rectangular rods 10 are sleeved on the corresponding screw rods 9 in a threaded manner, the moving plate 4 is sleeved on the two screw rods 9, and the top of the chain wheel 11 on the left side in the two chain wheels 11 is fixedly connected with a T-shaped knob;

the fast dismounting mechanism comprises a clamping hole 13, the clamping hole 13 is arranged on the left inner wall of the left second rectangular groove 8 in the two second rectangular grooves 8, an L-shaped clamping rod 15 is movably clamped in the clamping hole 13, a first rectangular hole 14 is arranged on the left inner wall of the left first rectangular groove 7 in the two first rectangular grooves 7, the left side of the L-shaped clamping rod 15 penetrates through the first rectangular hole 14 and extends to the left side of the upper die 101, a limiting hole 16 is arranged on the top inner wall of the first rectangular hole 14, a limiting block 17 is fixedly connected on the bottom inner wall of the L-shaped clamping rod 15, the limiting block 17 is in sliding connection with the limiting hole 16, and a spring 18 is fixedly connected between the left side of the limiting block 17 and the left inner wall of the limiting hole 16, the fast dismounting mechanism is reasonable in design, is convenient for synchronously adjusting the length of the plurality of mold inserts 2 extending into the die cavity 102, improves the adjusting efficiency, and can reduce the replacement frequency of the insert 2 by adjusting the extending length, and be convenient for realize the change operation to mold insert 2 fast through the mode of simple push-and-pull, need not carry out the dismouting to the mould when changing, improve and change efficiency.

In the utility model, both sides of the top of the rectangular frame 3 are provided with second rectangular holes, the inner wall of the second rectangular hole is slidably connected with the outer side of the corresponding rectangular rod 10, the bottom end of the rectangular rod 10 is provided with a threaded hole, the threaded hole is in threaded connection with the corresponding screw 9, both sides of the top of the movable plate 4 are provided with perforations, the screw 9 is positioned in the corresponding perforation and is not contacted with the inner wall of the perforation, the top of the mold insert 2 is provided with a thread groove, the outer side of the connecting rod 5 is provided with an external thread, the external thread is in threaded connection with the corresponding thread groove, the inner wall of the bottom of the second rectangular groove 8 is provided with a rotating groove, the rotating groove is internally fixed with a bearing, the inner side of the inner ring of the bearing is fixedly connected with the outer side of the corresponding screw 9, the four corners of the bottom of the upper mold 101 are fixedly connected with positioning blocks, the four corners of the top of the lower mold 100 are provided with positioning grooves, the outer side of the positioning blocks is movably contacted with the inner wall of the corresponding positioning grooves, the utility model relates to a rationally, be convenient for to stretch into the length of die cavity 102 to a plurality of mold inserts 2 in step and adjust, improve and adjust efficiency, can reduce its frequency of changing through the length of stretching into of adjusting mold insert 2, and be convenient for realize the change operation to mold insert 2 fast through the mode of simple push-and-pull, need not carry out the dismouting to the mould when changing, improve and change efficiency.

The working principle is as follows: when the length of the insert 2 extending into the mold cavity 102 is required to be adjusted according to actual needs, the T-shaped knob is rotated in the forward direction, the T-shaped knob drives the left chain wheel 11 to rotate, the left chain wheel 11 drives the right chain wheel 11 to rotate through the chain 12, the chain wheels 11 rotate to drive the corresponding screw rods 9 to rotate, under the action of the threaded holes formed in the rectangular rods 10, the screw rods 9 rotate and simultaneously drive the corresponding rectangular rods 10 to move downwards, the two rectangular rods 10 simultaneously drive the moving plate 4 to move downwards, the moving plate 4 drives the connecting rods 5 to move downwards, the connecting rods 5 drive the insert 2 to move downwards, the insert 2 extends downwards into the corresponding mold cavity 102, when the extending length of the insert 2 is adjusted according to the product shape, the T-shaped knob stops rotating, and the insert 2 is fixed under the action of the threaded locking force of the threaded holes and the corresponding screw rods 9, the adjustment is finished, so that the lengths of the plurality of insert parts 2 extending into the die cavity 102 can be adjusted conveniently and synchronously, the adjustment efficiency is improved, and the replacement frequency can be reduced by adjusting the extending lengths of the insert parts 2;

when the insert 2 needs to be taken out for replacement, the L-shaped clamping rod 15 is pulled leftwards, the L-shaped clamping rod 15 drives the limiting block 17 to move leftwards, the limiting block 17 slides in the limiting hole 16 and compresses the spring 18, the L-shaped clamping rod 15 moves leftwards out of the clamping hole 13, the fixture block 6 is released from being fixed, then the clip frame 3 is pulled upwards, the clip frame 3 drives the two fixture blocks 6 to move out of the corresponding first rectangular grooves 7 respectively, the fixture block 6 drives the screw rod 9 to move upwards through the corresponding bearing, the screw rod 9 drives the corresponding rectangular rod 10 to move upwards, the rectangular rod 10 drives the moving plate 4 to move upwards, the moving plate 4 drives the insert 2 to move out of the corresponding mounting holes 1 respectively through the connecting rods 5, at the moment, the insert 2 can be rotated forwards, under the effect that the thread groove is connected with the corresponding external thread, the insert 2 rotates and simultaneously gradually separates from the corresponding connecting rods 5, then, a new insert 2 is sleeved on the corresponding connecting rod 5 in a reverse rotation manner, then the moving plate 4 is moved downwards, the moving plate 4 drives the insert 2 to move into the corresponding mounting hole 1 through the connecting rods 5, the moving plate 4 drives the fixture block 6 to move downwards into the corresponding first rectangular groove 7 through the rectangular rod 10, the screw 9 and the bearing in sequence, the fixture block 6 drives the clip frame 3 to move downwards to be contacted with the top of the upper die 101, then the left pulling force on the L-shaped clip rod 15 is released, the elasticity of the spring 18 in a compressed state drives the L-shaped clip rod 15 to move rightwards to the clip hole 13 through the limiting block 17, the L-shaped clip rod 15 is clamped with the clip hole 13, so that the fixture block 6 is fixed, the insert 2 is fixed in the corresponding mounting hole 1, the replacement is completed, and the replacement of the insert 2 is conveniently and quickly realized through a simple push-pull manner, and the die does not need to be disassembled and assembled while being replaced, so that the replacement efficiency is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A plastic mold capable of quickly disassembling and assembling mold inserts comprises a plastic mold body, wherein the plastic mold body comprises an upper mold (101) and a lower mold (100), the bottom of the upper mold (101) is movably clamped with the top of the lower mold (100), and the plastic mold is characterized in that mold cavities (102) are respectively formed in the bottom of the upper mold (101) and the top of the lower mold (100), a plurality of mounting holes (1) are formed in the inner wall of the top of the mold cavity (102) on the upper mold (101), mold inserts (2) are movably sleeved in the mounting holes (1), and a synchronous adjusting mechanism and a quick disassembling and assembling mechanism which are matched with the mold inserts (2) are arranged on the upper mold (101);

the synchronous adjusting mechanism comprises a clip frame (3) movably contacted with the top of an upper die (101), a movable plate (4) is arranged above the clip frame (3), the bottom of the movable plate (4) is fixedly connected with a plurality of connecting rods (5), the bottom ends of the connecting rods (5) extend into corresponding mounting holes (1), a mold insert (2) is sleeved on the corresponding connecting rods (5) in a threaded manner, the clip frame (3) is sleeved on the connecting rods (5), clamping blocks (6) are fixedly connected with two sides of the bottom of the clip frame (3), first rectangular grooves (7) are respectively arranged on two sides of the top of the upper die (101), the bottoms of the clamping blocks (6) extend into the corresponding first rectangular grooves (7) and are arranged to be conical mechanisms, second rectangular grooves (8) are arranged on the top of the clamping blocks (6), rectangular rods (10) are fixedly connected with two sides of the bottom of the movable plate (4), and the bottom ends of the rectangular rods (10) extend into the corresponding second rectangular grooves (8), the clip-shaped frame (3) is sleeved on the two rectangular rods (10) in a sliding manner, the inner wall of the bottom of the second rectangular groove (8) is rotatably provided with a screw (9), the top end of the screw (9) extends to the upper side of the movable plate (4) and is fixedly connected with chain wheels (11), the two chain wheels (11) are connected with the same chain (12) in a transmission manner, the rectangular rods (10) are sleeved on the corresponding screw (9) in a threaded manner, the movable plate (4) is sleeved on the two screw (9), and the top of the chain wheel (11) positioned on the left side in the two chain wheels (11) is fixedly connected with a T-shaped knob;

quick dismouting mechanism is including calorie hole (13), card hole (13) are seted up and are located on the left side inner wall of left second rectangular channel (8) in two second rectangular channels (8), the activity card is equipped with L shape kelly (15) in calorie hole (13), first rectangular hole (14) have been seted up on the left side inner wall that is located left first rectangular channel (7) in two first rectangular channels (7), the left side of L shape kelly (15) is run through first rectangular hole (14) and is extended to the left side of last mould (101), spacing hole (16) have been seted up on the top inner wall of first rectangular hole (14), fixedly connected with stopper (17) on the bottom inner wall of L shape kelly (15), stopper (17) and spacing hole (16) sliding connection, fixedly connected with spring (18) between the left side of stopper (17) and the left side inner wall of spacing hole (16).

2. The plastic mold with the insert capable of being disassembled and assembled quickly as claimed in claim 1, wherein the two sides of the top of the square frame (3) are both provided with a second rectangular hole, and the inner wall of the second rectangular hole is connected with the outer side of the corresponding rectangular rod (10) in a sliding manner.

3. The plastic mold with the insert capable of being disassembled and assembled quickly as claimed in claim 1, wherein the bottom end of the rectangular rod (10) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw rod (9).

4. The plastic mold with the insert capable of being disassembled and assembled quickly as claimed in claim 1, wherein the moving plate (4) is provided with through holes on both sides of the top, and the screw rods (9) are located in the corresponding through holes and are not in contact with the inner walls of the through holes.

5. The plastic mold with the insert capable of being disassembled and assembled quickly as claimed in claim 1, wherein the top of the insert (2) is provided with a thread groove, the outer side of the connecting rod (5) is provided with an external thread, and the external thread is in threaded connection with the corresponding thread groove.

6. The plastic mold with a quick detachable insert as claimed in claim 1, wherein the inner wall of the bottom of the second rectangular groove (8) is provided with a rotating groove, a bearing is fixedly sleeved in the rotating groove, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the corresponding screw (9).

7. The plastic mold with the insert capable of being disassembled and assembled quickly as claimed in claim 1, wherein the four corners of the bottom of the upper mold (101) are fixedly connected with positioning blocks, the four corners of the top of the lower mold (100) are provided with positioning grooves, and the outer sides of the positioning blocks are in movable contact with the inner walls of the corresponding positioning grooves.

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