CN222972636U - Positioning and die closing tool for injection mold - Google Patents

Abstract

The utility model provides a positioning and clamping tool for an injection mold, belonging to the technical field of injection molds, comprising a turntable, a plurality of fixed mold bodies, a movable mold body and a driving mechanism, wherein the fixed mold bodies are distributed on the turntable at equal intervals, and a plurality of positioning openings are arranged around the outer edge of the turntable at equal intervals, wherein a positioning mechanism is arranged at one of the positioning openings, and the positioning mechanism comprises an outer sleeve and a moving rod, wherein the outer sleeve and the moving rod are movably connected, a roller frame and a concave roller in the roller frame are arranged at the front end of the moving rod, and the concave roller and the outer edge of the turntable are rollingly connected, and the utility model is realized that during the process of mold clamping and injection molding, the fixed mold can be accurately rotated to the position directly below the movable mold without deviation and without shaking of the fixed mold when stopping, so that on the premise of improving the injection molding efficiency, the situation of gaps during mold clamping caused by position deviation is effectively avoided, thereby improving the quality of injection molded products.

Description

Positioning and die closing tool for injection mold

Technical Field

The utility model mainly relates to the technical field of injection molds, in particular to a positioning and mold closing tool of an injection mold.

Background

The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and precise dimensions, and the injection molding is a processing method used for mass production of parts with complex shapes, specifically, the injection mold is used for injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain the formed products.

At present, the existing injection mold comprises a movable mold and a fixed mold, wherein the movable mold is arranged on a movable mold plate of an injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, and the movable mold and the fixed mold are separated during mold opening so as to take out plastic products.

When the injection molding efficiency is improved, a plurality of fixed molds can be installed on the turntable at equal intervals, so that the time for switching the molds and waiting for cooling can be saved, the total injection molding amount is increased, and large-scale production is met, but the fixed molds are accurately moved to the position right below the movable mold through the turntable, so that the problem is solved, the rotation amplitude of the servo motor is controlled, small angle deviation can be frequently caused, the movable mold and the fixed molds cannot be well combined, a certain gap can be generated, and the quality of products is affected.

Disclosure of utility model

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a positioning die clamping tool for an injection mold, which is used for solving the technical problem that when the fixed die is moved to the position right below a movable die through a turntable, small angle deviation sometimes occurs, so that a gap is generated in die clamping, and the product quality is influenced.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides an injection mold's location compound die frock, includes carousel, a plurality of cover half body, movable mould body and actuating mechanism, equidistant distribution of cover half body is on the carousel, and the movable mould body is located the top of cover half body, the equidistant surrounding of outer fringe position of carousel is provided with a plurality of locating ports, one of them locating port department is provided with positioning mechanism, positioning mechanism includes outer sleeve and movable rod, is swing joint between outer sleeve and the movable rod, the front end of movable rod is provided with the concave roller in gyro wheel frame and the gyro wheel frame, is roll connection between concave roller and the carousel outer fringe.

Further, the movable rod is provided with a mounting block, a spring is arranged between the mounting block and the outer sleeve, and the spring is sleeved on the movable rod.

Further, an armature block is embedded in the groove of the mounting block, an electromagnet is arranged on one side close to the armature block, and the electromagnet is mounted on the upper side of the outer wall of the outer sleeve through a screw.

Further, a hollow rotating shaft is arranged at the circle center of the turntable, a first gear is arranged on the hollow rotating shaft, and a second gear is connected with the first gear in a meshed mode.

Further, the driving mechanism comprises two upright posts which are distributed in parallel, wherein one upright post is positioned at the center of the rotary table and penetrates through the hollow rotary shaft, and the upright posts are movably connected with the movable die body.

Further, two the upper ends of stand are provided with the roof jointly, be provided with the cylinder on the roof, the output of cylinder is provided with four connecting axles of push plate and push plate downside, and the connecting axle lower extreme is connected with the upside of movable mould body.

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

According to the utility model, through the turntable, the hollow rotating shaft, the first gear, the second gear, the upright post, the top plate, the air cylinder, the pushing plate and the connecting shaft, the fixed die can be rapidly switched, the waiting time for cooling is reduced, the injection molding efficiency is improved, and the fixed die can be precisely rotated to the position right below the movable die in the process of die assembly and injection molding by the outer sleeve, the moving rod, the roller frame, the concave roller, the mounting block, the armature block, the electromagnet and the spring, so that the deviation can not occur, the condition that the fixed die shakes during stop can not occur, the condition that gaps are generated during die assembly due to the position deviation can be effectively avoided, the quality of injection molded products is improved, the structure is stable, the operation is convenient, and the fixed die assembly device has a certain practical value.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

fig. 3 is an exploded view of the positioning mechanism of the present utility model.

In the figure, 1, a turntable, 11, a positioning port, 12, a hollow rotating shaft, 13, a first gear, 14, a second gear, 2, a fixed die body, 3, a movable die body, 4, a driving mechanism, 41, a stand column, 42, a top plate, 43, a cylinder, 44, a pushing plate, 45, a connecting shaft, 5, a positioning mechanism, 51, an outer sleeve, 52, a moving rod, 53, a roller frame, 54, a concave roller, 55, a mounting block, 56, an armature block, 57, an electromagnet, 58 and a spring.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, a positioning and mold closing tool for an injection mold comprises a turntable 1, a plurality of fixed mold bodies 2, a movable mold body 3 and a driving mechanism 4, wherein the fixed mold bodies 2 are distributed on the turntable 1 at equal intervals, the movable mold body 3 is positioned above the fixed mold bodies 2, a plurality of positioning ports 11 are arranged at equal intervals around the outer edge of the turntable 1, one of the positioning ports 11 is provided with a positioning mechanism 5, the positioning mechanism 5 comprises an outer sleeve 51 and a movable rod 52, the outer sleeve 51 and the movable rod 52 are movably connected, the front end of the movable rod 52 is provided with a roller frame 53 and a concave roller 54 in the roller frame 53, and the concave roller 54 is in rolling connection with the outer edge of the turntable 1.

Through the structure, the fixed die can be accurately rotated to the position right below the movable die in the process of die assembly and injection molding, deviation cannot occur, and shaking of the fixed die cannot occur during stopping, so that gaps are effectively avoided when die assembly is performed due to position deviation on the premise of improving injection molding efficiency, the quality of injection molding products is improved, the structure is stable, operation is convenient, and the fixed die assembly and injection molding machine has a certain practical value.

The method comprises the following steps of firstly turning on a motor (existing equipment, not shown in the figure) capable of driving the second gear 14 to rotate, then driving the first gear 13 to rotate by the second gear 14, then driving the turntable 1 to rotate by the first gear 13 through the hollow rotating shaft 12, simultaneously driving the moving rod 52 to approach the turntable 1 under the action of the spring 58, enabling the concave roller 54 to roll along the edge of the turntable 1, stopping rotation of the turntable 1 when the concave roller 54 is clamped into the positioning opening 11, enabling one of the fixed mold bodies 2 to be located right below the movable mold body 3, then enabling the air cylinder 43 to be started, driving the movable mold body 3 to move downwards through the pushing plate 44 and the connecting shaft 45, covering the movable mold body 2 to perform injection molding, enabling the movable mold body 3 to move upwards and reset, enabling the electromagnet 57 to drive the armature block 56 to approach, enabling the mounting block 55 to drive the moving rod 52 to move towards the outer sleeve 51 side, enabling the concave roller 54 to move out of the positioning opening 11, compressing the spring 58, then closing the electromagnet 57, enabling the spring 58 to press the concave roller 54 to the outer edge of the turntable 1 again, and repeating the steps to perform injection molding for a plurality of steps sequentially.

Referring to fig. 1 and fig. 2, a hollow rotating shaft 12 is disposed at the center of the turntable 1, a first gear 13 is disposed on the hollow rotating shaft 12, a second gear 14 is engaged with and connected to the first gear 13, and through the mutual cooperation between the first gear 13, the second gear 14 and the hollow rotating shaft 12, the turntable 1 is driven to rotate by driving of a motor, the driving mechanism 4 includes two parallel upright columns 41, one of the upright columns 41 is disposed at the center of the turntable 1 and penetrates through the hollow rotating shaft 12, and the upright columns 41 and the movable mold body 3 are movably connected, top plates 42 are disposed at the upper ends of the two upright columns 41 together, an air cylinder 43 is disposed on the top plates 42, a pushing plate 44 and four connecting shafts 45 at the lower side of the pushing plate 44 are disposed at the output ends of the air cylinder 43, and the lower ends of the connecting shafts 45 are connected to the upper side of the movable mold body 3, and the driving force is provided for moving the movable mold body 3 by the driving mechanism 4, so that the movable mold body 3 can stably move up and down.

Referring to fig. 1 and 3, a mounting block 55 is disposed on the moving rod 52, a spring 58 is disposed between the mounting block 55 and the outer sleeve 51, the spring 58 is sleeved on the moving rod 52, the concave roller 54 is tightly attached to the outer edge of the turntable 1 through the spring 58, an armature block 56 is embedded in a groove of the mounting block 55, an electromagnet 57 is disposed on one side, close to the armature block 56, of the mounting block 55, the electromagnet 57 is mounted on the upper side of the outer wall of the outer sleeve 51 through a screw, and traction of the concave roller 54 is achieved through mutual cooperation between the electromagnet 57 and the armature block 56, so that the concave roller 54 is pulled out of the positioning opening 11.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (6)

1. The utility model provides a location compound die frock of injection mold, includes carousel (1), a plurality of cover half body (2), movable mould body (3) and actuating mechanism (4), equidistant distribution of cover half body (2) is on carousel (1), and movable mould body (3) are located the top of cover half body (2), a serial communication port, the outer fringe position equidistant surrounding of carousel (1) is provided with a plurality of locating ports (11), one of them locating port (11) department is provided with positioning mechanism (5), positioning mechanism (5) are including outer sleeve (51) and movable rod (52), are swing joint between outer sleeve (51) and the movable rod (52), the front end of movable rod (52) is provided with concave roller (54) in gyro wheel frame (53) and gyro wheel frame (53), is roll connection between concave roller (54) and carousel (1) outer fringe.

2. The positioning and die-closing tool for the injection mold according to claim 1, wherein a mounting block (55) is arranged on the moving rod (52), a spring (58) is arranged between the mounting block (55) and the outer sleeve (51), and the spring (58) is sleeved on the moving rod (52).

3. The positioning and die-closing tool for the injection mold according to claim 2, wherein an armature block (56) is embedded in a groove of the mounting block (55), an electromagnet (57) is arranged on one side close to the armature block (56), and the electromagnet (57) is mounted on the upper side of the outer wall of the outer sleeve (51) through a screw.

4. The positioning and die-closing tool for the injection mold according to claim 1, wherein a hollow rotating shaft (12) is arranged at the center of the rotary table (1), a first gear (13) is arranged on the hollow rotating shaft (12), and a second gear (14) is connected with the first gear (13) in a meshed mode.

5. The positioning and die-closing tool for the injection mold according to claim 1, wherein the driving mechanism (4) comprises two parallel upright posts (41), one upright post (41) is positioned at the center of the rotary table (1) and penetrates through the hollow rotary shaft (12), and the upright posts (41) are movably connected with the movable mold body (3).

6. The positioning and clamping tool for the injection mold according to claim 5, wherein a top plate (42) is commonly arranged at the upper ends of the two upright posts (41), an air cylinder (43) is arranged on the top plate (42), a pushing plate (44) and four connecting shafts (45) at the lower sides of the pushing plate (44) are arranged at the output ends of the air cylinder (43), and the lower ends of the connecting shafts (45) are connected with the upper side of the movable mold body (3).