Quick replacement device for mold core

Abstract

The utility model provides a quick replacement device for a mold core, which comprises a fixed mold and a movable mold, both the fixed mold and the movable mold are provided with accommodating cavities for fixedly placing the mold core, the upper side of the fixed mold is fixedly connected with a connecting plate, the fixed mold is movably connected with the mold core, the lower side of the movable mold is fixedly connected with a mold foot, and the mold foot is movably connected with the connecting plate. The lower side of the mold foot is fixedly connected with a bottom plate, the movable mold is movably connected with the mold core, the two sides of the mold core are fixedly connected with connecting blocks, and the connecting blocks are movably connected with the movable mold. When the inserting rod moves to be separated from the connecting block, the mold core is jacked up through the elastic force of the first spring in the jacking component, a plurality of bolts do not need to be dismounted by means of tools, and replacement is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, especially related to a mould core quick replacement device. BACKGROUND

[0002] Mould core is a core component in mould, plays a key role in injection molding, mould core is usually used to form the internal cavity or complex shape part in product, with the development of society to the demand and quality of plastics sharp rise, how to improve production efficiency becomes the urgent demand at present;

[0003] When producing different products, different mould cores need to be replaced, usually a plurality of bolts are arranged on the side wall of the mould embryo, when replacing the mould core, the staff needs to remove the plurality of bolts by means of tools, so as to remove the mould core, after replacement, the bolt needs to be installed again, because the number of bolts is more, the operation is more complicated, to a certain extent, the production efficiency of the product is affected. Therefore, we hope to design a mould core quick replacement device to solve this problem. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model aims at providing a mould core quick replacement device to solve the problems in the background art.

[0005] The utility model discloses the following technical scheme realizes: a mould core quick replacement device, including fixed mould and movable mould, the fixed mould and movable mould all are set up and are used for fixedly placing mould core's containing cavity, the upper side of fixed mould is fixedly connected with the connecting plate, the fixed mould is movably connected with mould core, the lower side of movable mould is fixedly connected with the mould foot;

[0006] The lower side of the mould foot is fixedly connected with the bottom plate, the movable mould is movably connected with the mould core, the both sides of the mould core are fixedly connected with the connecting block, the connecting block is movably connected with the movable mould, the inside bottom side of the movable mould is provided with the jacking component, the inside of the movable mould is provided with the fixed component, and the fixed component comprises an elastic assembly and a pressing assembly.

[0007] The elastic assembly comprises a second spring and a plug rod, the second spring is arranged in the inside of the movable mould, the plug rod is slidably sleeved in the inside of the movable mould, one end of the second spring is fixedly connected with the movable mould, the other end of the second spring is fixedly connected with the plug rod, and the plug rod is slidably sleeved in the inside of the connecting block.

[0008] The pressing assembly comprises a sliding rod, a fixed block and a third spring, the sliding rod is slidably arranged through the inside of the movable mold, the lower end of the sliding rod is movably connected with the inserting rod, the fixed block is fixedly connected to the upper end of the sliding rod, the third spring is arranged outside the sliding rod, and the fixed block is elastically connected with the movable mold through the third spring.

[0009] The number of the fixing components is four, and the four fixing components are evenly distributed in the inside of the movable mold.

[0010] As a preferred embodiment, the jacking component comprises a supporting cylinder, a connecting column, a first spring and a supporting plate, the supporting cylinder is fixedly connected to the inside bottom side of the movable mold, the connecting column is slidably sleeved in the inside of the supporting cylinder, the first spring is arranged in the inside of the supporting cylinder, one end of the first spring is fixedly connected to the inside lower side of the supporting cylinder, the other end of the first spring is fixedly connected to the lower end of the connecting column, the supporting plate is fixedly connected to the upper side of the connecting column, the supporting plate is in contact with the supporting cylinder, and the supporting plate is movably connected with the inside of the movable mold, and the jacking component is arranged to jack up the mold core.

[0011] As a preferred embodiment, the number of the jacking components is four, and the four jacking components are evenly distributed in the inside of the movable mold, and the installation of the mold core is more stable through the arrangement of the plurality of jacking components.

[0012] As a preferred embodiment, the upper side of the inserting rod is provided with a groove, and the front view cross section of the groove is a left-low right-high inclined groove, and the inclined groove is matched with the pressing assembly.

[0013] As a preferred embodiment, the upper surface of the fixed block is parallel to the upper surface of the movable mold, and the lower end of the sliding rod is in an arc shape in the front view cross section, and the arc-shaped sliding rod reduces the friction between the inserting rod.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: the fixing components are arranged, the mold core and the connecting block are fixed through the elastic assembly, the stability of the mold core during use is ensured, then the pressing assembly in the fixing component drives the inserting rod to displace, the first spring in the jacking component jacks up the mold core when the inserting rod is separated from the connecting block, and the plurality of bolts do not need to be removed by means of tools, and replacement is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0016] Figure 1 It is a rear side oblique perspective view of the mold core quick replacement device.

[0017] Figure 2 It is a right side oblique perspective exploded view of the mold core quick replacement device.

[0018] Figure 3 It is the mold core quick replacement device Figure 2 A structure enlarged view in the present application.

[0019] Figure 4 It is a front side partial structure oblique perspective view of the mold core quick replacement device.

[0020] Figure 5 It is a B structure enlarged view in the mold core quick replacement device Figure 4 .

[0021] In the figure, 1, connecting plate, 2- fixed mold, 3- movable mold, 4- mold foot, 5- bottom plate, 6- mold core, 7- connecting block, 8- lifting component, 9- fixing component;

[0022] 81- support cylinder, 82- connecting column, 83- first spring, 84- support plate;

[0023] 91- elastic assembly, 911- second spring, 912- insertion rod, 92- pressing assembly, 921- sliding rod, 922- fixing block, 923- third spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0025] Please refer to Figures 1 to 5The utility model provides a technical scheme: a mould core quick replacement device, including fixed mould 2 and movable mould 3, and the fixed mould 2 and movable mould 3 all are set up with the containing cavity for fixedly placing mould core 6, the upper side fixed connection of fixed mould 2 has the connecting plate 1, the fixed mould 2 is movably connected with mould core 6, the lower side fixed connection of movable mould 3 has mould foot 4,

[0026] The lower side fixed connection of mould foot 4 has bottom plate 5, movable mould 3 is movably connected with mould core 6, and the both sides fixed connection of mould core 6 has connecting block 7, and connecting block 7 is movably connected with movable mould 3, and the inside bottom side of movable mould 3 is provided with jacking part 8, and the inside of movable mould 3 is provided with fixed part 9, and fixed part 9 includes elastic component 91 and pressing assembly 92,

[0027] Elastic component 91 includes second spring 911 and plug rod 912, second spring 911 is set up in the inside of movable mould 3, plug rod 912 is slidably sleeved in the inside of movable mould 3, one end of second spring 911 is fixedly connected with movable mould 3, the other end of second spring 911 is fixedly connected with plug rod 912, plug rod 912 is slidably sleeved in the inside of connecting block 7, by setting elastic component 91, make plug rod 912 insert the inside of connecting block 7,

[0028] Pressing assembly 92 includes slide rod 921, fixed block 922 and third spring 923, slide rod 921 is slidably penetrated in the inside of movable mould 3, the lower end of slide rod 921 is movably connected with plug rod 912, fixed block 922 is fixedly connected to the upper end of slide rod 921, third spring 923 is set up on the outside of slide rod 921, and fixed block 922 is elastically connected with movable mould 3 through third spring 923, by setting pressing assembly 92, pressing assembly 92 drives plug rod 912 displacement,

[0029] The number of fixed part 9 is four, and the four fixed parts 9 are evenly distributed in the inside of movable mould 3.

[0030] Jacking part 8 includes support cylinder 81, connecting column 82, first spring 83 and support plate 84, support cylinder 81 is fixedly connected to the inside bottom side of movable mould 3, connecting column 82 is slidably sleeved in the inside of support cylinder 81, first spring 83 is set up in the inside of support cylinder 81, one end of first spring 83 is fixedly connected to the inside lower side of support cylinder 81, the other end of first spring 83 is fixedly connected to the lower end of connecting column 82, support plate 84 is fixedly connected to the upper side of connecting column 82, support plate 84 is in contact with support cylinder 81, and support plate 84 is movably connected with the inner side of movable mould 3, by setting jacking part 8, for jacking mould core 6.

[0031] The number of jacking part 8 is four, and the four jacking parts 8 are evenly distributed in the inside of movable mould 3, by setting multiple jacking parts 8, the installation of mould core 6 is more stable.

[0032] The upper side of the inserting rod 912 is provided with a groove, and the front view cross section of the groove is a left-low right-high inclined groove.

[0033] The upper surface of the fixing block 922 is parallel to the upper surface of the movable mold 3, and the lower end of the slide rod 921 is in an arc shape in the front view cross section, so that the friction between the slide rod 921 and the inserting rod 912 is reduced.

[0034] Please refer to Figures 1-5 , as the first embodiment of the utility model: when the mold core 6 needs to be replaced, the fixed mold 2 and the movable mold 3 are separated first, then the fixing blocks 922 on both sides of the movable mold 3 are pressed simultaneously, the fixing blocks 922 drive the slide rods 921 fixedly connected thereto to move downward, the fixing blocks 922 extrude the third springs 923 in the process of moving downward of the slide rods 921, the lower end of the slide rods 921 extrudes the inclined groove on the inserting rod 912 in the process of moving downward, so that the inserting rod 912 is moved to the right side under the action of force, when the slide rods 921 cannot move after moving to completely compress the third springs 923, the inserting rod 912 compresses the second springs 911 and retreats into the movable mold 3 to separate from the connecting block 7, and the jacking component 8 jacks up the mold core 6 upward, then the mold core 6 can be taken out.

[0035] Please refer to Figures 2-3 , as the second embodiment of the utility model: based on the above embodiment, further, when the inserting rod 912 is separated from the connecting block 7, the first spring 83 releases the elastic force to stretch and retract the connecting column 82 upward, the connecting column 82 drives the support plates 84 fixedly connected thereto to move upward in the process of moving upward, the support plates 84 jack up the mold core 6 placed on the upper side upward, so that the mold core 6 is taken out.

[0036] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, 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. A quick-change mold core device, comprising a fixed mold (2) and a moving mold (3): characterized in that, Both the fixed mold (2) and the moving mold (3) are provided with a cavity for fixing and placing the mold core (6). A connecting plate (1) is fixedly connected to the upper side of the fixed mold (2). The fixed mold (2) is movably connected to the mold core (6). A mold foot (4) is fixedly connected to the lower side of the moving mold (3). A base plate (5) is fixedly connected to the lower side of the mold foot (4). The moving mold (3) is movably connected to the mold core (6). Connecting blocks (7) are fixedly connected to both sides of the mold core (6). The connecting blocks (7) are movably connected to the moving mold (3). A lifting component (8) is provided on the bottom side inside the moving mold (3). A fixing component (9) is provided inside the moving mold (3). The fixing component (9) includes an elastic component (91) and a pressing component (92). The elastic component (91) includes a second spring (911) and a plug rod (912). The second spring (911) is disposed inside the moving mold (3). The plug rod (912) is slidably sleeved inside the moving mold (3). One end of the second spring (911) is fixedly connected to the moving mold (3), and the other end of the second spring (911) is fixedly connected to the plug rod (912). The plug rod (912) is slidably sleeved inside the connecting block (7). The pressing assembly (92) includes a slide rod (921), a fixing block (922), and a third spring (923). The slide rod (921) slides through the interior of the moving mold (3). The lower end of the slide rod (921) is movably connected to the insert rod (912). The fixing block (922) is fixedly connected to the upper end of the slide rod (921). The third spring (923) is located on the outside of the slide rod (921). The fixing block (922) and the moving mold (3) are elastically connected by the third spring (923). The number of fixed components (9) is four, and the four fixed components (9) are evenly distributed inside the moving mold (3).

2. The quick replacement device for mold cores as described in claim 1, characterized in that: The lifting component (8) includes a support cylinder (81), a connecting column (82), a first spring (83), and a support plate (84). The support cylinder (81) is fixedly connected to the inner bottom side of the moving mold (3). The connecting column (82) is slidably sleeved inside the support cylinder (81). The first spring (83) is disposed inside the support cylinder (81). One end of the first spring (83) is fixedly connected to the lower inside of the support cylinder (81), and the other end of the first spring (83) is fixedly connected to the lower end of the connecting column (82). The support plate (84) is fixedly connected to the upper side of the connecting column (82). The support plate (84) is in contact with the support cylinder (81), and the support plate (84) is movably connected to the inner side of the moving mold (3).

3. The quick replacement device for mold cores as described in claim 2, characterized in that: The number of the lifting components (8) is four, and the four lifting components (8) are evenly distributed inside the moving mold (3).

4. The quick replacement device for mold cores as described in claim 3, characterized in that: The upper side of the insertion rod (912) is provided with a groove, and the frontal cross-sectional shape of the groove is an inclined groove with the left side lower and the right side higher.

5. The quick replacement device for mold cores as described in claim 3, characterized in that: The upper surface of the fixed block (922) is parallel to the upper surface of the moving mold (3), and the lower end of the slide rod (921) has an arc-shaped cross-section when viewed from the front.

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