Injection mold capable of quickly replacing mold core and insert

Abstract

The utility model discloses an injection mold capable of quickly replacing a mold core and an insert. The injection mold comprises a mold frame, a mold core mounting groove is formed in the middle of the mold frame; sliding block mounting grooves are symmetrically formed in the two sides of the mold core mounting groove; a mold core is detachably arranged in the mold core mounting groove; detachable threaded holes are formed in the two ends of the mold core; a sliding block is mounted in the sliding block mounting groove in a sliding manner; an insert matched with the mold core is detachably arranged on the side, facing the mold core, of the sliding block. The detachable threaded holes are formed in the two ends of the mold core, when the mold core is detached, the mold core can be jacked up only by screwing screws into the detachable threaded holes, so that the mold core is convenient to replace, in addition, due to the detachable design of the insert and the sliding block, the insert can be rapidly replaced, the mold core and the insert can be rapidly replaced, the replacement time is saved, and the replacement efficiency is improved. And the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially a kind of injection mold of quick replacement mould core and insert piece. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size. Injection mold is also a processing method used when mass-producing parts, mainly applied in industrial field. The injection mold process is to inject molten material under high pressure into the mold cavity, and then obtain shaped product after cooling and solidification.

[0003] In the injection molding process, different sizes of mould cores and inserts need to be replaced for different specifications of products. Currently, the mold is usually disassembled, then the parts to be replaced are disassembled, another part is replaced, the mold is assembled again, and then the injection molding machine is used for production. This process wastes time in replacing parts and molds and lowering the efficiency of the injection molding machine.

[0004] Therefore, it is necessary to design an injection mold that can quickly replace the mould core and insert. INVENTION CONTENTS

[0005] The utility model aims at the deficiency of prior art, and provides an injection mold that can quickly replace the mould core and insert.

[0006] The technical scheme of the utility model is as follows: an injection mold that can quickly replace the mould core and insert, comprising a mold frame; a mould core mounting groove is arranged in the middle of the mold frame; a sliding block mounting groove is symmetrically arranged on both sides of the mould core mounting groove; a mould core is detachably arranged in the mould core mounting groove; a disassembly threaded hole is arranged at both ends of the mould core; a sliding block is slidingly mounted in the sliding block mounting groove; an insert that cooperates with the mould core is detachably arranged on the side of the sliding block facing the mould core.

[0007] A positioning pin is centrally and symmetrically arranged in the mould core mounting groove; a positioning hole that cooperates with the positioning pin is arranged at the bottom of the mould core.

[0008] The groove wall of the mould core mounting groove includes a vertical fixed section including the bottom and an inclined section extending from the fixed section to the opening.

[0009] Symmetrical positioning notches that communicate with the cavity on the mould core are arranged at both ends of the mould core; the positioning notches are positioned by the angle at both ends.

[0010] The sliding block is slidingly mounted in the sliding block mounting groove by sliding block pressing strips arranged at both ends, and the sliding block pressing strips are connected with the sliding block mounting groove by screws.

[0011] A slot is formed on the side of the sliding block facing the mould core; the insert is inserted into the slot.

[0012] The utility model discloses the following beneficial effects are obtained by adopting the technical scheme: (1) the utility model discloses is equipped with the dismounting threaded hole in the both ends of die core, when dismounting die core, only need to screw in screw in the dismounting threaded hole, and die core can be lifted up, thereby the replacement of die core is convenient, and in addition, the quick replacement of insert is convenient with the detachable design of slider, thereby the replacement of die core and insert is more rapid, and the replacement time is saved, and production efficiency is improved.

[0013] (2) the die core of the utility model is positioned with die core installation groove through positioning pin, so as to facilitate the positioning and foolproof of die core.

[0014] (3) the vertical fixed section of the slot wall of die core installation groove including bottom and the inclined section extending from fixed section to opening, thereby further facilitating the installation and dismounting of die core.

[0015] (4) the both ends of die core are symmetrically equipped with the positioning notch communicated with the cavity on die core, and the both ends of positioning notch are positioned with insert through angle, not only can guarantee the positioning between die core and insert, but also can achieve the purpose of quickly replacing insert.

[0016] (5) the slider of the utility model is slidably installed in slider installation groove through slider pressing strip arranged at both ends, and slider pressing strip is connected with slider installation groove through screw, so that the dismounting of slider is more convenient.

[0017] (6) the side of slider towards die core is provided with insertion slot, and insert is inserted into insertion slot, and the original positioning piece of insert and slider positioning is cancelled, further facilitating the dismounting of insert. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments and in conjunction with the drawings.

[0019] Fig. 1 It is the structural schematic diagram of the utility model.

[0020] Fig. 2 It is the structural schematic diagram of the utility model die frame.

[0021] Fig. 3 It is the insert and die core cooperation structural schematic diagram of the utility model.

[0022] The reference numerals in the drawings are:

[0023] Die frame 1, die core installation groove 2, slider installation groove 3, die core 4, dismounting threaded hole 5, slider 6, insert 7, positioning pin 8. DETAILED DESCRIPTION

[0024] (Embodiment 1)

[0025] See Figs. 1 to 3 The injection mold with replaceable mold core and insert of the embodiment comprises a mold frame 1; a mold core installation groove 2 is arranged in the middle of the mold frame 1; slide block installation grooves 3 are symmetrically arranged at both sides of the mold core installation groove 2; a mold core 4 is detachably arranged in the mold core installation groove 2; detachable screw holes 5 are arranged at both ends of the mold core 4; slide blocks 6 are slidingly installed in the slide block installation grooves 3; and inserts 7 matched with the mold core 4 are detachably arranged on the side of the slide blocks 6 facing the mold core 4.

[0026] Further, a positioning pin 8 is centrally and symmetrically arranged in the mold core installation groove 2; and a positioning hole matched with the positioning pin 8 is arranged at the bottom of the mold core 4, so as to facilitate the positioning and fool-proofing of the mold core 4.

[0027] Further, the groove wall of the mold core installation groove 2 comprises a vertical fixed section including the bottom and an inclined section extending from the fixed section to the opening, so that the installation and dismounting of the mold core 4 are more convenient.

[0028] Further, positioning notches symmetrically arranged at both ends of the mold core 4 are in communication with the cavity on the mold core 4; and the positioning notches are positioned through the angle with the inserts 7, so as to not only ensure the positioning between the mold core 4 and the inserts 7, but also achieve the purpose of quickly replacing the inserts 7.

[0029] Further, the slide blocks 6 are slidingly installed in the slide block installation grooves 3 through the slide block 6 pressing strips arranged at both ends, and the slide block 6 pressing strips are connected with the slide block installation grooves 3 through screws, so as to facilitate the installation and dismounting of the slide blocks 6.

[0030] Further, an insertion groove is arranged on the side of the slide blocks 6 facing the mold core 4; and the inserts 7 are inserted into the insertion groove, so that the original positioning member for positioning the inserts 7 and the slide blocks 6 is cancelled, and the dismounting of the inserts 7 is further facilitated.

[0031] The injection mold with replaceable mold core and insert of the embodiment is provided with detachable screw holes 5 at both ends of the mold core 4; when the mold core 4 is dismounted, the mold core 4 can be lifted up only by screwing a screw into the detachable screw holes 5, so as to facilitate the replacement of the mold core 4; in addition, the inserts 7 and the slide blocks 6 are detachably designed, so as to facilitate the quick replacement of the inserts 7, so that the replacement of the mold core 4 and the inserts 7 is more rapid, the replacement time is saved, and the production efficiency is improved.

[0032] The specific embodiments described above further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only for the specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An injection mold with quick-change mold core and inserts, characterized in that: The mold includes a mold frame (1); a mold core mounting groove (2) is provided in the middle of the mold frame (1); slider mounting grooves (3) are symmetrically provided on both sides of the mold core mounting groove (2); a mold core (4) is detachably provided in the mold core mounting groove (2); a disassembly threaded hole (5) is provided at both ends of the mold core (4); a slider (6) is slidably installed in the slider mounting groove (3); an insert (7) that cooperates with the mold core (4) is detachably provided on the side of the slider (6) facing the mold core (4).

2. The injection mold with quick-change mold core and inserts according to claim 1, characterized in that: The mold core mounting groove (2) is provided with a positioning pin (8) in a centrally symmetrical manner; the bottom of the mold core (4) is provided with a positioning hole that cooperates with the positioning pin (8).

3. The injection mold with quick-change mold core and inserts according to claim 1, characterized in that: The groove wall of the mold core mounting groove (2) includes a fixed section with a vertical bottom and an inclined section extending from the fixed section to the opening.

4. The injection mold with quick-change mold core and inserts according to claim 1, characterized in that: The mold core (4) has symmetrical positioning notches at both ends that communicate with the cavity on the mold core (4); the two ends of the positioning notches are positioned by the angle with the insert (7).

5. The injection mold with quick-change mold core and inserts according to claim 1, characterized in that: The slider (6) is slidably installed in the slider mounting groove (3) by means of slider (6) pressure strips located at both ends, and the slider (6) pressure strips are connected to the slider mounting groove (3) by screws.

6. The injection mold with quick-change mold core and inserts according to claim 1, characterized in that: The slider (6) has a slot on the side facing the mold core (4); the insert (7) is inserted into the slot.

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