CN214000350U

CN214000350U - Injection mold with replaceable mold core

Info

Publication number: CN214000350U
Application number: CN202022327419.1U
Authority: CN
Inventors: 黄坚欣
Original assignee: Shenzhen Jingyada Hardware Plastic Products Co ltd
Current assignee: Shenzhen Jingyada Hardware Plastic Products Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-08-20
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses an injection mold of removable mould benevolence, including lower bolster and cope match-plate pattern, the lower bolster level sets up under the cope match-plate pattern, the vertical welding of lower bolster top center department has lower die carrier, and the vertical welding of cope match-plate pattern bottom center department has last die carrier, the vertical lower mould benevolence that is equipped with in lower die carrier top, and the vertical first opening of offering with the big or small looks adaptation of lower mould benevolence shape of lower mould top center department, lower mould benevolence bottom sliding connection is inside first opening, and a lower mould carrier symmetry side all is equipped with the first fixed establishment who is used for fixed lower mould benevolence, go up the vertical mould benevolence that is equipped with of die carrier bottom center department, and go up the vertical second opening of seting up and going up the big or small looks adaptation of mould benevolence shape of mould bottom center department of die carrier, it is inside second opening to go up mould benevolence sliding connection. The utility model discloses avoided present mould to dismantle the trouble or the detachable condition takes place, and then improved this injection mold's practicality.

Description

Injection mold with replaceable mold core

Technical Field

The utility model relates to a technical injection mold field especially relates to an injection mold of removable mould benevolence.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can also be divided into injection molding die pressing method and die casting method, which are important devices in the injection molding industry during injection molding.

The existing injection mold is inconvenient or does not have the function of replacing the mold core, so that the mold needs to be frequently replaced, and a large amount of resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an injection mold with a replaceable mold core.

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

an injection mold with replaceable mold cores comprises a lower template and an upper template, wherein the lower template is horizontally arranged under the upper template, a lower mold base is vertically welded at the center of the top of the lower template, an upper mold base is vertically welded at the center of the bottom of the upper template, a lower mold core is vertically arranged at the top of the lower mold base, a first opening matched with the shape and the size of the lower mold core is vertically arranged at the center of the top of the lower mold base, the bottom of the lower mold core is slidably connected inside the first opening, first fixing mechanisms used for fixing the lower mold core are respectively arranged on one symmetrical side surface of the lower mold base, an upper mold core is vertically arranged at the center of the bottom of the upper mold base, a second opening matched with the shape and the size of the upper mold core is vertically arranged at the center of the bottom of the upper mold base, the upper mold core is slidably connected inside the second opening, and a second fixing mechanism used for fixing the upper mold core is respectively arranged on one symmetrical side surface of the upper mold base, and the inner parts of the upper die frame and the lower die frame are respectively provided with a die cooling mechanism, and a die positioning mechanism is arranged on one symmetrical side surface of the upper die plate and the lower die plate.

Preferably, the notches are formed in the symmetrical side faces of the upper mold core and the lower mold core, the square grooves are formed in the symmetrical side faces of the upper mold frame and the lower mold frame, the notches and the square grooves are arranged in parallel, and the first fixing mechanism and the second fixing mechanism are symmetrically arranged.

Preferably, the first fixing mechanism comprises a hydraulic telescopic rod and a limiting block, the hydraulic telescopic rod is horizontally welded at the bottom of the hydraulic telescopic rod and is provided with a placing plate, the placing plate is connected to the top of one side of the lower template through a bolt, and the end part of an output shaft of the hydraulic telescopic rod is horizontally welded with a connecting rod.

Preferably, stopper horizontal sliding connection is inside square groove and notch, and the one end level that hydraulic telescoping rod was kept away from to the connecting rod welds in stopper one side center department, connecting rod sliding connection is inside square groove.

Preferably, the mould cooling mechanism comprises a spiral coil, the spiral coil is horizontally embedded in the lower die frame, a water inlet and a water outlet are respectively installed at two ends, far away from one symmetrical side face of the lower die frame, and the water inlet and the water outlet are respectively communicated with two ends of the spiral coil.

Preferably, the die positioning mechanism comprises two limiting columns and two arc-shaped grooves, the two limiting columns are vertically welded to the center of one symmetrical side face of the upper die plate respectively, the two arc-shaped grooves are vertically arranged at the center of one symmetrical side face of the lower die plate respectively, and the two limiting columns are respectively connected inside the two arc-shaped grooves in a sliding mode.

Preferably, the mold positioning mechanism comprises two elongated grooves and two strip-shaped blocks, the two strip-shaped blocks are vertically welded at the center of one symmetrical side face of the upper mold plate respectively, the two elongated grooves are vertically arranged at the center of one symmetrical side face of the lower mold plate respectively, and the two strip-shaped blocks are respectively connected inside the two elongated grooves in a sliding manner.

The utility model has the advantages that:

1. the utility model discloses, when injection mold is when the compound die, the cope match-plate pattern can drive two spacing posts and down move, when spacing post got into the arc wall in, then explain that mould and bed die did not appear the skew, if spacing post did not get into the arc wall in the time, then explain that mould and bed die appear the skew, and through the setting of spacing post, when mould and bed die skew appear, because spacing post and lower bolster butt, then mould and bed die can not the compound die, and then the benevolence of going up the mould and last mould benevolence has been protected.

2. The utility model discloses, through putting inside first opening and second opening last mould benevolence and lower mould benevolence respectively, then drive the connecting rod through hydraulic telescoping rod and move toward the direction of being close to last mould benevolence and lower mould benevolence, the connecting rod drives the stopper and moves toward the direction of being close to last mould benevolence and lower mould benevolence, move into inside the notch until the stopper, then the stopper is fixed spacingly to last mould benevolence and lower mould benevolence, and when mould benevolence and lower mould benevolence were dismantled to needs, only need control hydraulic telescoping rod and drive the connecting rod and remove, the connecting rod drives the stopper and removes toward the direction of keeping away from last mould benevolence and lower mould benevolence, can dismantle last mould benevolence and lower mould benevolence in moving out the notch when the stopper, it takes place to have avoided present mould dismantlement trouble or the non-detachable condition, and then improved this injection mold's practicality.

3. The utility model discloses, through when injection mold is when the compound die, the cope match-plate pattern can drive two bar-shaped pieces and move down, when the bar-shaped piece gets into the elongated slot, then explain that mould and bed die do not appear the skew, if the bar-shaped piece does not get into the elongated slot when, then explain that mould and bed die appear the skew, and through the setting of bar-shaped piece, when mould and bed die skew appear, because bar-shaped piece and lower bolster butt, then mould and bed die can not the compound die, and then the mould benevolence and last mould benevolence have been protected.

Drawings

Fig. 1 is a schematic structural view of an injection mold with a replaceable mold insert according to embodiment 1 of the present invention;

fig. 2 is a cross-sectional view of the inside of a lower mold frame of an injection mold with a replaceable mold insert according to embodiment 1 of the present invention;

fig. 3 is an internal cross-sectional view of an injection mold with a replaceable mold insert according to embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of an injection mold with a replaceable mold insert according to embodiment 2 of the present invention.

In the figure: 1 lower bolster, 2 place board, 3 square grooves, 4 hydraulic telescoping rod, 5 cope match-plate pattern, 6 spacing posts, 7 upper die carrier, 8 long-pending grooves, 9 lower die carrier, 10 delivery ports, 11 arc wall, 12 water inlets, 13 spiral coil pipe, 14 lower mould benevolence, 15 notches, 16 stopper, 17 connecting rods, 18 upper mould benevolence, 19 piece shape blocks.

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.

Example 1

Referring to fig. 1-3, an injection mold with replaceable mold cores comprises a lower template 1 and an upper template 5, wherein the lower template 1 is horizontally arranged under the upper template 5, a lower mold base 9 is vertically welded at the center of the top of the lower template 1, an upper mold base 7 is vertically welded at the center of the bottom of the upper template 5, a lower mold core 14 is vertically arranged at the top of the lower mold base 9, a first opening matched with the lower mold core 14 in shape and size is vertically arranged at the center of the top of the lower mold base 9, the bottom of the lower mold core 14 is slidably connected inside the first opening, first fixing mechanisms for fixing the lower mold core 14 are respectively arranged on symmetrical side surfaces of the lower mold base 9, an upper mold core 18 is vertically arranged at the center of the bottom of the upper mold base 7, a second opening matched with the upper mold core 18 in shape and size is vertically arranged at the center of the bottom of the upper mold base 7, the upper mold core 18 is slidably connected inside the second opening, and second fixing mechanisms for fixing the upper mold core 18 are respectively arranged on symmetrical side surfaces of the upper mold base 7, the inner parts of the upper die frame 7 and the lower die frame 9 are both provided with die cooling mechanisms, and a die positioning mechanism is arranged on one symmetrical side surface of the upper die plate 5 and the lower die plate 1.

The utility model discloses, notch 15 has all been seted up to upper die benevolence 18 and lower die benevolence 14 symmetrical side, and square groove 3 has all been seted up to upper die holder 7 and lower die holder 9 symmetrical side, notch 15 and square groove 3 set up in parallel, and first fixing mechanism and second fixing mechanism symmetry set up, first fixing mechanism includes hydraulic telescoping rod 4 and stopper 16, and hydraulic telescoping rod 4 bottom horizontal welding has place board 2, place board 2 is connected in the top of lower bolster 1 one side through the bolt, and hydraulic telescoping rod 4 output shaft end horizontal welding has connecting rod 17, stopper 16 horizontal sliding connection is in square groove 3 and notch 15 inside, and connecting rod 17 keeps away from the one end horizontal welding of hydraulic telescoping rod 4 and is in stopper 16 one side center department, connecting rod 17 sliding connection is in square groove 3 inside, the mould cooling mechanism includes spiral coil 13, and spiral coil 13 horizontal the inlaying is in lower die holder 9 inside, the two ends of keeping away from of 9 symmetrical sides of lower die carrier are installed water inlet 12 and delivery port 10 respectively, and water inlet 12 and delivery port 10 communicate respectively in spiral coil 13 both ends, and mould positioning mechanism includes spacing post 6 and arc wall 11, and spacing post 6 has two and respectively vertical welding in 5 symmetrical side center departments of cope match-plate pattern, and arc wall 11 has two and respectively vertical seting up in 1 symmetrical side center departments of lower bolster, and two spacing posts 6 are inside in two arc walls 11 sliding connection respectively.

The working principle of the embodiment is as follows: in practical use, when the injection mold is closed, the upper mold plate 5 drives the two limiting posts 6 to move downwards, when the limiting posts 6 enter the arc-shaped groove 11, it is indicated that the upper mold and the lower mold do not deviate, if the limiting posts 6 do not enter the arc-shaped groove 11, it is indicated that the upper mold and the lower mold deviate, and through the arrangement of the limiting posts 6, when the upper mold and the lower mold deviate, because the limiting posts 6 are abutted against the lower mold plate 1, the upper mold and the lower mold do not close the mold, so as to protect the upper mold core 18 and the upper mold core 14, by respectively placing the upper mold core 18 and the lower mold core 14 inside the first opening and the second opening, then driving the connecting rod 17 to move in a direction close to the upper mold core 18 and the lower mold core 14 through the hydraulic telescopic rod 4, the connecting rod 17 drives the limiting block 16 to move in a direction close to the upper mold core 18 and the lower mold core 14, until the limiting block 16 moves into the notch 15, the stopper 16 fixes the upper mold core 18 and the lower mold core 14 in a limited manner, and when the upper mold core 18 and the lower mold core 14 need to be disassembled, the hydraulic telescopic rod 4 only needs to be controlled to drive the connecting rod 17 to move, the connecting rod 17 drives the stopper 16 to move in the direction away from the upper mold core 18 and the lower mold core 14, the stopper 16 is moved out of the notch 15, the upper mold core 18 and the lower mold core 14 can be disassembled, the occurrence of the condition that the current mold is troublesome to disassemble or is not detachable is avoided, and the practicability of the injection mold is further improved.

Example 2

Referring to fig. 4, the embodiment differs from embodiment 1 only in that the mold positioning mechanism includes two elongated slots 8 and two strip-shaped blocks 19, and the two strip-shaped blocks 19 are vertically welded to the centers of the symmetrical sides of the upper mold plate 5, the two elongated slots 8 are vertically opened in the centers of the symmetrical sides of the lower mold plate 1, and the two strip-shaped blocks 19 are slidably connected to the insides of the two elongated slots 8, respectively.

The working principle of the embodiment is as follows: during the in-service use, when injection mold is when the compound die, cope match-plate pattern 5 can drive two bar-shaped pieces 19 and move down, when bar-shaped piece 19 gets into the rectangular channel 8 in, then explain that mould and bed die do not appear the skew, if bar-shaped piece 19 does not get into the rectangular channel 8 in, then explain that mould and bed die have appeared the skew, and through the setting of bar-shaped piece 19, when mould and bed die skew appear, because bar-

shaped piece

19 and 1 butt of lower bolster, then mould and bed die can not the compound die, and then mould kernel 18 and last mould kernel 14 have been protected.

Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An injection mold with a replaceable mold core comprises a lower template (1) and an upper template (5), and is characterized in that the lower template (1) is horizontally arranged under the upper template (5), a lower mold base (9) is vertically and fixedly connected to the center of the top of the lower template (1), an upper mold base (7) is vertically and fixedly connected to the center of the bottom of the upper template (5), a lower mold core (14) is vertically arranged at the top of the lower mold base (9), a first opening matched with the shape and size of the lower mold core (14) is vertically formed in the center of the top of the lower mold base (9), the bottom of the lower mold core (14) is slidably connected to the inside of the first opening, first fixing mechanisms used for fixing the lower mold core (14) are respectively arranged on symmetrical side surfaces of the lower mold base (9), an upper mold core (18) is vertically arranged at the center of the bottom of the upper mold base (7), a second opening matched with the shape and size of the upper mold core (18) is vertically formed in the center of the bottom of the upper mold base (7), the upper die core (18) is connected to the inside of the second opening in a sliding mode, a second fixing mechanism used for fixing the upper die core (18) is arranged on one symmetrical side face of the upper die frame (7), die cooling mechanisms are arranged inside the upper die frame (7) and the lower die frame (9), and die positioning mechanisms are arranged on one symmetrical side face of the upper die plate (5) and one symmetrical side face of the lower die plate (1).

2. The injection mold with the replaceable mold core as claimed in claim 1, wherein the symmetrical side surfaces of the upper mold core (18) and the lower mold core (14) are both provided with notches (15), the symmetrical side surfaces of the upper mold base (7) and the lower mold base (9) are both provided with square grooves (3), the notches (15) and the square grooves (3) are arranged in parallel, and the first fixing mechanism and the second fixing mechanism are symmetrically arranged.

3. The injection mold with the replaceable mold core as claimed in claim 2, wherein the first fixing mechanism comprises a hydraulic telescopic rod (4) and a limiting block (16), a placing plate (2) is horizontally and fixedly connected to the bottom of the hydraulic telescopic rod (4), the placing plate (2) is connected to the top of one side of the lower mold plate (1) through a bolt, and a connecting rod (17) is horizontally and fixedly connected to the end of an output shaft of the hydraulic telescopic rod (4).

4. The injection mold with the replaceable mold core as claimed in claim 3, wherein the stopper (16) is horizontally slidably connected inside the square groove (3) and the notch (15), and one end of the connecting rod (17) far away from the hydraulic telescopic rod (4) is horizontally and fixedly connected to the center of one side of the stopper (16), and the connecting rod (17) is slidably connected inside the square groove (3).

5. The injection mold with the replaceable mold core as claimed in claim 4, wherein the mold cooling mechanism comprises a spiral coil (13), the spiral coil (13) is horizontally embedded in the lower mold base (9), a water inlet (12) and a water outlet (10) are respectively installed at two ends of a symmetrical side surface of the lower mold base (9), which are far away from each other, and the water inlet (12) and the water outlet (10) are respectively communicated with two ends of the spiral coil (13).

6. The injection mold with the replaceable mold core as claimed in claim 5, wherein the mold positioning mechanism comprises two limiting posts (6) and two arc-shaped grooves (11), the two limiting posts (6) are vertically and fixedly connected to the center of one symmetrical side of the upper mold plate (5), the two arc-shaped grooves (11) are vertically arranged on the center of one symmetrical side of the lower mold plate (1), and the two limiting posts (6) are slidably connected to the two arc-shaped grooves (11).

7. The injection mold with the replaceable mold core as claimed in claim 5, wherein the mold positioning mechanism comprises two elongated grooves (8) and two strip-shaped blocks (19), the two strip-shaped blocks (19) are vertically and fixedly connected to the center of one symmetrical side of the upper mold plate (5), the two elongated grooves (8) are vertically arranged on the center of one symmetrical side of the lower mold plate (1), and the two strip-shaped blocks (19) are slidably connected to the inside of the two elongated grooves (8).