Precise disc positioning mechanism of sole injection molding machine

Abstract

The utility model belongs to the technical field of sole injection molding, and particularly relates to an accurate disc positioning mechanism of a sole injection molding machine, which comprises an injection molding table. The first motor is started to drive the disc body to rotate through the rotating shaft, the disc body drives the multiple mold boxes and the positioning blocks to rotate, and when one of the multiple positioning blocks rotates to the position over the photoelectric switch, one of the multiple mold boxes is located below the injection molding head; a photoelectric switch detects that the positioning block moves in place and then transmits a signal to a controller, the controller controls a first motor to stop rotating, the controller starts a second motor to drive a moving block to move through a lead screw, the moving block drives an injection molding head to move downwards through a connecting box, and the injection molding head is inserted into an injection molding opening in one of the multiple mold boxes; the electric valve is opened, the raw materials in the connecting box are injected into the mold boxes, and therefore the multiple mold boxes can be automatically positioned and injected with the raw materials at the same time, and the mold boxes can be accurately positioned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shoe sole injection moulding, specifically discloses a disc precision positioning mechanism of shoe sole injection moulding machine. BACKGROUND

[0002] The injection method process of the existing shoe injection molding machine is mature, convenient to operate and low in running cost, so a one-time continuous upper forming is selected for a large number of low-end shoes, and a plastic is generally used for the shoe sole of the injection molded shoe, the plastic injection molded shoe forming is a production method for directly injecting glue from a cylinder into a mold cavity and bonding a fabric or leather upper, and the current general injection molded shoe machine comprises a disc and a driving power source for driving the disc to rotate, a plurality of shoe sole forming mechanisms are equally arranged on the disc, and the shoe sole forming mechanisms are used for completing the manufacturing of the shoe sole;

[0003] Chinese public authorization invention: CN222156395U discloses a disc driving structure of shoe sole injection molding machine, relates to the technical field of shoe sole injection molding, and comprises a working platform, a rotating disc is arranged at the upper end of the working platform, a rotating column is arranged at the lower end of the rotating disc in the interior of the working platform, a gear ring is arranged on the outer wall of the rotating column, a driving gear is arranged on the side wall of the gear ring, a rotating shaft is arranged in the middle of the driving gear, a rotating base is arranged below the rotating column in the interior of the working platform, four groups of mold boxes are further arranged at the upper end of the rotating disc, positioning grooves are arranged between the four groups of mold boxes and the rotating disc, and injection ports are arranged at the upper end of the four groups of mold boxes. The disc driving structure of the shoe sole injection molding machine can control the rotation of the rotating disc at the upper end of the working platform, automatically adjust the position of the mold box after the injection molding is completed, and improve the efficiency of the injection molding process;

[0004] However, the device still has some problems, in the actual use process, although the disc can drive the mold box to automatically adjust the position after the injection molding is completed, to improve the injection molding efficiency, but when the disc stops, it is difficult to ensure that one of the plurality of mold boxes is accurately positioned with the injection head. This inaccurate positioning problem may cause the injection head to be unable to accurately inject molten plastic into the mold box, thereby affecting the quality and consistency of the shoe sole forming, therefore, we propose a disc precision positioning mechanism of shoe sole injection molding machine to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a disc precision positioning mechanism of shoe sole injection molding machine, which solves the problems raised in the above background art.

[0006] The utility model discloses a disc precision positioning mechanism of shoe sole injection molding machine to solve the problems raised in the above background art.

[0007] The application discloses a disc precision positioning mechanism of a shoe sole injection molding machine.

[0008] Further, two square rods are welded between the two inner walls of the rectangular hole and are in sliding connection with the moving block.

[0009] Further, a circular groove is formed in the top of the injection molding table, two limiting rods are in sliding connection with the circular groove, and the top ends of the limiting rods are fixedly connected with the bottom of the disc body.

[0010] Further, two supporting legs are welded to the bottom of the injection molding table.

[0011] Further, a mounting hole is formed in the top of the injection molding table, a bearing is fixedly connected to the inner wall of the mounting hole, and the inner side of the inner ring of the bearing is welded to the outer side of the rotating shaft.

[0012] Further, the first motor, the photoelectric switch, the second motor, the controller and the electric valve are electrically connected through conducting wires.

[0013] Compared with the prior art, the disc precision positioning mechanism of the shoe sole injection molding machine has the following beneficial effects:

[0014] The utility model discloses a first motor drives disc body to rotate through the shaft, and disc body drives a plurality of mould boxes and positioning block to rotate simultaneously, when one of a plurality of positioning blocks rotates to the right above photoelectric switch, one of a plurality of mould boxes is located below injection head, and photoelectric switch transmits signal to controller after detecting that positioning block moves to position, and controller controls first motor to stop rotating, and then controller starts second motor, and second motor drives moving block to move through screw rod, and moving block drives injection head to move down through connecting box, makes injection head insert injection port on one of a plurality of mould boxes, opens electric valve, and raw material in connecting box is injected into mould box, thereby can automatic positioning injection raw material to a plurality of mould boxes simultaneously, and can accurate positioning mould box. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is another side three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is another side three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is another side three-dimensional structure schematic diagram of the utility model;

[0018] Figure 4 It is another side three-dimensional structure schematic diagram of the utility model;

[0019] In the drawing: 1, injection molding platform;2, shaft;3, disc body;4, first motor;5, positioning block;6, photoelectric switch;7, controller;8, mould box;9, L-shaped plate;10, rectangular hole;11, screw rod;12, connecting box;13, injection head;14, second motor;15, electric valve;16, square rod;17, circular groove;18, limit rod;19, support leg;20, moving block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model. EMBODIMENT

[0021] As Figures 1-4As shown, the utility model discloses a disc precision positioning mechanism of shoe sole injection molding machine, including injection molding platform 1, the top of injection molding platform 1 is rotatably connected with the shaft 2, the top of the shaft 2 is fixedly connected with disc body 3, the bottom of injection molding platform 1 is fixedly connected with first motor 4, the bottom of the shaft 2 extends to the below of injection molding platform 1 and is fixedly connected with the output shaft of first motor 4, the bottom of disc body 3 is fixedly connected with locating block 5, the top of injection molding platform 1 is equipped with photoelectric switch 6 and controller 7, the top of disc body 3 is equipped with multiple mold boxes 8, multiple mold boxes 8 and corresponding locating block 5 are one to one, the rear side of injection molding platform 1 is welded with L-shaped plate 9, the rear side inner wall of L-shaped plate 9 is provided with rectangular hole 10, the both sides inner wall between rectangular hole 10 is rotatably connected with lead screw 11, the moving block 20 is screw connected on the lead screw 11, the bottom of moving block 20 is fixedly connected with connecting box 12, the bottom of connecting box 12 is communicated and fixed with injection head 13, the front side of connecting box 12 is equipped with electric valve 15, the top of L-shaped plate 9 is fixedly connected with second motor 14, the top of lead screw 11 extends to the above of L-shaped plate 9 and is fixedly connected with the output shaft of second motor 14, start first motor 4, first motor 4 drives disc body 3 to rotate through the shaft 2, disc body 3 drives limiting rod 18 to slide on circular groove 17, simultaneously, disc body 3 drives multiple mold boxes 8 and locating block 5 to rotate, when one of multiple locating block 5 rotates to the directly above of photoelectric switch 6, one of multiple mold boxes 8 is located below injection head 13, photoelectric switch 6 detects that locating block 5 moves to the position and will signal transmission to controller 7, controller 7 controls first motor 4 to stop rotating, then controller 7 starts second motor 14, second motor 14 drives moving block 20 to move through lead screw 11, moving block 20 drives injection head 13 to move down through connecting box 12, makes injection head 13 insert injection port on one of multiple mold boxes 8, opens electric valve 15, and the raw material in connecting box 12 is injected into mold box 8, thereby can automatically position injection raw material to multiple mold boxes 8, and also improve the accuracy when injecting raw material, thereby can accurately position mold box 8.

[0022] In some embodiments, two square rods 16 are welded between the both sides inner wall of rectangular hole 10, and the square rods 16 are slidably connected with the moving block 20.

[0023] In some embodiments, a circular groove 17 is formed in the top of injection molding platform 1, two limiting rods 18 are slidably connected in the circular groove 17, the top of the limiting rods 18 is fixedly connected with the bottom of the disc body 3, and the limiting rods 18 serve as a limiting function.

[0024] In some embodiments, two supporting legs 19 are welded to the bottom of the injection molding platform 1.

[0025] In some embodiments, the top of the injection table 1 is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a bearing, the inner side of the inner ring of the bearing is welded with the outer side of the rotating shaft 2, the rotating shaft 2 is arranged to play a rotating role.

[0026] In some embodiments, the first motor 4, the photoelectric switch 6, the second motor 14, the controller 7 and the electric valve 15 are electrically connected through conducting wires.

[0027] The working principle or structural principle is that, in use, the first motor 4 is started, the first motor 4 drives the disc body 3 to rotate through the rotating shaft 2, the disc body 3 drives the limiting rod 18 to slide on the circular groove 17, and the disc body 3 drives the plurality of mold boxes 8 and the positioning blocks 5 to rotate, when one of the plurality of positioning blocks 5 rotates to the position directly above the photoelectric switch 6, one of the plurality of mold boxes 8 is located below the injection head 13, the photoelectric switch 6 detects that the positioning block 5 moves to the position and transmits a signal to the controller 7, the controller 7 controls the first motor 4 to stop rotating, and then the controller 7 starts the second motor 14, the second motor 14 drives the moving block 20 to move through the lead screw 11, the moving block 20 slides on the square rod 16, and the moving block 20 drives the injection head 13 to move downward through the connecting box 12, so that the injection head 13 is inserted into the injection port on one of the plurality of mold boxes 8, the electric valve 15 is opened, and the raw material in the connecting box 12 is injected into the mold box 8, so that the plurality of mold boxes 8 can be automatically positioned and injected with the raw material at the same time, and the precision of injecting the raw material is improved, so that the mold box 8 can be accurately positioned.

[0028] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A disc precision positioning mechanism for a shoe sole injection molding machine, comprising an injection table (1), characterized in that: The top of the injection molding table (1) is rotatably connected to a rotating shaft (2), and the top of the rotating shaft (2) is fixedly connected to a disc body (3). The bottom of the injection molding table (1) is fixedly connected to a first motor (4). The bottom end of the rotating shaft (2) extends to the bottom of the injection molding table (1) and is fixedly connected to the output shaft of the first motor (4). The bottom of the disc body (3) is fixedly connected to a positioning block (5). The top of the injection molding table (1) is provided with a photoelectric switch (6) and a controller (7). The top of the disc body (3) is provided with multiple mold boxes (8), and the multiple mold boxes (8) correspond one-to-one with the corresponding positioning blocks (5). The rear side of the injection molding table (1) is welded with An L-shaped plate (9) has a rectangular hole (10) on its rear inner wall. A lead screw (11) is rotatably connected between the two inner walls of the rectangular hole (10). A moving block (20) is threaded onto the lead screw (11). A connecting box (12) is fixedly connected to the bottom of the moving block (20). An injection head (13) is connected to the bottom of the connecting box (12). An electric valve (15) is provided on the front side of the connecting box (12). A second motor (14) is fixedly connected to the top of the L-shaped plate (9). The top end of the lead screw (11) extends above the L-shaped plate (9) and is fixedly connected to the output shaft of the second motor (14).

2. The disc precision positioning mechanism of the shoe sole injection molding machine according to claim 1, characterized in that: Two square rods (16) are welded between the inner walls of the two sides of the rectangular hole (10), and the square rods (16) are slidably connected to the moving block (20).

3. The disc precision positioning mechanism of the shoe sole injection molding machine according to claim 2, characterized in that: The top of the injection molding table (1) is provided with a circular groove (17), and two limiting rods (18) are slidably connected on the circular groove (17). The top of the limiting rods (18) is fixedly connected to the bottom of the disc body (3).

4. The disc precision positioning mechanism of the shoe sole injection molding machine according to claim 3, characterized in that: The injection molding table (1) has two support legs (19) welded to its bottom.

5. The disc precision positioning mechanism of the shoe sole injection molding machine according to claim 4, characterized in that: The top of the injection molding station (1) is provided with an installation hole, and a bearing is fixedly connected to the inner wall of the installation hole. The inner side of the inner ring of the bearing is welded to the outer side of the rotating shaft (2).

6. The disc precision positioning mechanism of the shoe sole injection molding machine according to claim 5, characterized in that: The first motor (4), photoelectric switch (6), second motor (14), controller (7) and electric valve (15) are electrically connected by conductive lines.

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