Pull-out mechanism for tie bar of injection molding machine

Abstract

The utility model provides a tie bar pull-out mechanism of an injection molding machine, and belongs to the technical field of tie bars of injection molding machines. The green column pull-out mechanism of the injection molding machine comprises a top mold, a bottom mold and a lifting mechanism, a column body is mounted at the top of the bottom mold, a fixing block is fixedly mounted at the top of the column body, a limiting mechanism is mounted at the top of the top mold, mounting mechanisms are arranged at four corners of the top of the bottom mold, and fixing seats are fixedly mounted on two sides of the bottom mold. The hydraulic cylinder is fixedly installed at the top of the fixed seat, the movable plate is fixedly installed at the free end of the hydraulic cylinder, and the connecting plate is fixedly installed on the front face and the back face of the movable plate. And a user can conveniently drive the limiting mechanism to move upwards after starting the lifting mechanism, so that the column body and the fixing block can be conveniently driven to move upwards through the limiting mechanism, and the user can conveniently pull out the column body.

Description

Technical Field

[0001] The utility model relates to the technical field of Green columns of injection molding machines, in particular to a Green column pulling mechanism of an injection molding machine. Background Art

[0002] Injection molding machine is a common plastic processing equipment, which is used to melt plastic and inject it into the mold, and then form the required plastic products after cooling. The injection molding machine is mainly composed of injection molding system, hydraulic system, electrical system and mold system. Among them, Green column is a very important component of injection molding machine. Green column can withstand the tension generated when the injection molding machine is operating, making the injection molding machine more stable during production, improving the working efficiency of the injection molding machine, and making it play the greatest value.

[0003] However, the Green column of the injection molding machine in the prior art is generally fixed by welding or bolts. When the Green column is damaged or broken and needs to be replaced, the pull-out mechanism is not convenient to disassemble. Moreover, when the Green column is pulled out for use, the center of gravity of the Green column changes when it is pulled out, which can easily cause the Green column to wear during the pulling process. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a Green column pulling mechanism for an injection molding machine which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a Green column pulling mechanism for an injection molding machine, comprising a top mold and a bottom mold, a column body is installed on the top of the bottom mold, a fixed block is fixedly installed on the top of the column body, a limiting mechanism is installed on the top of the top mold, and mounting mechanisms are opened at the four corners of the top of the bottom mold;

[0007] a lifting mechanism, said lifting mechanism;

[0008] A fixing seat, wherein the fixing seat is fixedly mounted on both sides of the bottom mold;

[0009] A hydraulic cylinder, wherein the hydraulic cylinder is fixedly mounted on the top of the fixing seat;

[0010] A movable plate, the movable plate being fixedly mounted on the free end of the hydraulic cylinder;

[0011] The connecting plate is fixedly mounted on the front and back sides of the moving plate.

[0012] In a preferred solution, the limiting mechanism includes a fixing plate, which is installed at the four corners of the top of the top mold, a mounting plate is fixedly installed on the outer side of the connecting plate, a rotating rod is installed on the inner side of the mounting plate, the outer side of the rotating rod passes through the mounting plate and is threadedly connected to the mounting plate, and a clamping plate is fixedly installed on the outer side of the mounting plate.

[0013] In a preferred embodiment, the mounting mechanism includes a mounting groove, which is opened at the four corners of the top of the bottom mold. A connecting block is fixedly installed at the bottom of the column, a vertical plate is fixedly installed at the bottom of the inner wall of the mounting groove, and a fixing bolt is installed on the left side of the vertical plate. The fixing bolt passes through the vertical plate and is threadedly connected to the connecting block.

[0014] In a preferred solution, a support plate is fixedly mounted on the outer side of the clamping plate, and the clamping plate and the support plate are both arranged in a semi-hexagonal shape.

[0015] In a preferred solution, a movable groove is provided on the surface of the fixed plate, a movable column is fixedly installed on the outer side of the rotating rod, and the movable column is movably connected to the movable groove.

[0016] In a preferred solution, the outer side of the movable column is threadedly connected with a mounting bolt, and the surface of the mounting bolt is provided with a hexagonal groove.

[0017] The utility model provides a Green column pulling mechanism for an injection molding machine, and its beneficial effects include:

[0018] 1. By setting a limiting mechanism and a lifting mechanism, the limiting mechanism can limit the fixed block installed on the column after installation, so that the user can start the lifting mechanism to drive the limiting mechanism to move upward, thereby facilitating the column and the fixed block to move upward through the limiting mechanism, so that the user can pull out the column.

[0019] 2. By setting up the installation mechanism, it is convenient for the user to limit the column inserted into the bottom mold by using the installation mechanism, so that the user can install the column, thereby facilitating the user to use the column normally after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is an overall stereogram provided by the embodiment of the utility model;

[0022] Figure 2 A schematic diagram of a three-dimensional cross-sectional structure of a mounting plate provided in an embodiment of the utility model;

[0023] Figure 3A schematic diagram of a three-dimensional partial structure of a bottom mold provided in an embodiment of the utility model;

[0024] Figure 4 The utility model embodiment provides Figure 3 The enlarged structural diagram at A in the middle;

[0025] In the figure: 1. top mold; 2. bottom mold; 3. column; 4. fixed block; 5. limit mechanism; 51. fixed plate; 52. mounting plate; 53. rotating rod; 54. clamping plate; 6. mounting mechanism; 61. mounting groove; 62. connecting block; 63. vertical plate; 64. fixing bolts; 7. lifting mechanism; 71. fixing seat; 72. hydraulic cylinder; 73. movable plate; 74. connecting plate; 11. supporting plate; 12. movable groove; 13. movable column; 14. mounting bolts. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example

[0028] Reference Figure 1-Figure 4 The utility model provides a technical solution: a Green column pulling mechanism for an injection molding machine, comprising a top mold 1, a bottom mold 2 and a lifting mechanism 7, a column 3 is installed on the top of the bottom mold 2, a fixed block 4 is fixedly installed on the top of the column 3, a limiting mechanism 5 is installed on the top of the top mold 1, and mounting mechanisms 6 are provided at the four corners of the top of the bottom mold 2, which can facilitate the user to move the limiting mechanism 5 so that the limiting mechanism 5 limits the fixed block 4 and the column 3, and facilitate the user to start the lifting mechanism 7 and drive the fixed block 4 and the column 3 to move upward through the limiting mechanism 5, so as to facilitate pulling out the column 3, and the user can insert the column 3 through the top mold 1 into the bottom mold 2, so that the user can use the mounting mechanism 6 to install the column 3.

[0029] Reference Figure 1-Figure 4In a preferred embodiment, a lifting mechanism 7 is provided, the lifting mechanism 7 includes a fixed seat 71, a hydraulic cylinder 72, a movable plate 73 and a connecting plate 74. The fixed seat 71 is fixedly installed on both sides of the bottom mold 2, the hydraulic cylinder 72 is fixedly installed on the top of the fixed seat 71, the movable plate 73 is fixedly installed on the free end of the hydraulic cylinder 72, and the connecting plate 74 is fixedly installed on the front and back sides of the movable plate 73. The fixed seat 71 can install the hydraulic cylinder 72 after installation, so that the user can start the hydraulic cylinder 72 and drive the movable plate 73 to connect and move, so that the movable plate 73 drives the connecting plate 74 to move, and the limiting mechanism 5 includes a fixed plate 51, a fixed The plate 51 is installed at the four corners of the top of the top mold 1, and the mounting plate 52 is fixedly installed on the outer side of the connecting plate 74, and the rotating rod 53 is installed on the inner side of the mounting plate 52. The outer side of the rotating rod 53 passes through the mounting plate 52 and is threadedly connected with the mounting plate 52, and the clamping plate 54 is fixedly installed on the outer side of the mounting plate 52, so that the rotating rod 53 can be connected and installed after the mounting plate 52 is installed, so that the user can drive the clamping plate 54 to move when the rotating rod 53 is rotated, and the clamping plate 54 can clamp the fixed block 4, and when the connecting plate 74 is moved upward, the fixed block 4 and the column 3 can be driven upward through the fixed plate 51 and the mounting plate 52, so as to facilitate the user to pull out the column 3.

[0030] At the same time, the mounting mechanism 6 includes a mounting groove 61, which is opened at the four corners of the top of the bottom mold 2. A connecting block 62 is fixedly installed at the bottom of the column 3, and a vertical plate 63 is fixedly installed at the bottom of the inner wall of the mounting groove 61. A fixing bolt 64 is installed on the left side of the vertical plate 63. The fixing bolt 64 passes through the vertical plate 63 and is threadedly connected with the connecting block 62. After the mounting groove 61 is opened, the vertical plate 63 can be installed, which is convenient for the user to pass the fixing bolt 64 through the vertical plate 63 to thread the fixing bolt 64 with the connecting block 62, so as to facilitate the installation of the column 3 after limiting the connecting block 62.

[0031] Reference Figure 1-Figure 4 In a preferred embodiment, a support plate 11 is fixedly installed on the outer side of the clamping plate 54. Both the clamping plate 54 and the support plate 11 are semi-hexagonal in shape, so that the support plate 11 can support the fixed block 4 after installation, so that it is convenient to drive the column 3 upward through the fixed block 4 when the support plate 11 is driven upward by the clamping plate 54. A movable groove 12 is provided on the surface of the fixed plate 51, and a movable column 13 is fixedly installed on the outer side of the rotating rod 53. The movable column 13 is movably connected to the movable groove 12. The outer side of the movable column 13 is threadedly connected with a mounting bolt 14, and the surface of the mounting bolt 14 is provided with a hexagonal groove, so that the movable column 13 can be inserted into the movable groove 12 and then the mounting bolt 14 can be installed, so that the mounting bolt 14 can be rotated and fit with the fixed plate 51, so that the fixed plate 51 and the clamping plate 54 cooperate to limit the fixed block 4 and the column 3.

[0032] Specifically, the working process or working principle of the Green column pulling-out mechanism of the injection molding machine is as follows: when pulling out the column 3, the user inserts the fixing bolt 64 with an Allen wrench, and then rotates the fixing bolt 64 to separate the fixing bolt 64 from the vertical plate 63 and the connecting block 62, and then the user rotates the rotating rod 53 to make the rotating rod 53 drive the clamping plate 54 to move, so that the clamping plate 54 cooperates with the support plate 11 to clamp the fixing block 4, and then the user starts the hydraulic cylinder 72 to make the hydraulic cylinder 72 drive the moving plate 73 and the connecting plate 74 to move, so as to pull the fixing block 4 and the column 3 upward, thereby facilitating the pulling out of the column 3 from the bottom mold 2, and the pulling out of the column 3 from the bottom mold 2 and the top mold 1, and then the user stabilizes the column 3 by hand, and then rotates the rotating rod 53 to make the rotating rod 53 drive the clamping plate 54 to separate from the fixing block 4, thereby facilitating the user to pull out the column 3.

[0033] It should be noted that the hydraulic cylinder 72 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principle are clear to those skilled in the art, so they are not described in detail.

Claims

1. A Green column pulling mechanism for an injection molding machine, comprising a top mold (1) and a bottom mold (2), characterized in that: A column (3) is installed on the top of the bottom mold (2), a fixed block (4) is fixedly installed on the top of the column (3), a limiting mechanism (5) is installed on the top of the top mold (1), and mounting mechanisms (6) are provided at the four corners of the top of the bottom mold (2); A lifting mechanism (7), the lifting mechanism (7); A fixing seat (71), wherein the fixing seat (71) is fixedly mounted on both sides of the bottom mold (2); A hydraulic cylinder (72), wherein the hydraulic cylinder (72) is fixedly mounted on the top of the fixing seat (71); A movable plate (73), wherein the movable plate (73) is fixedly mounted on the free end of the hydraulic cylinder (72); The connecting plate (74) is fixedly mounted on the front and back sides of the movable plate (73).

2. The Green column pulling mechanism for an injection molding machine according to claim 1, characterized in that: The limiting mechanism (5) comprises a fixing plate (51), wherein the fixing plate (51) is mounted at the four corners of the top of the top mold (1); a mounting plate (52) is fixedly mounted on the outer side of the connecting plate (74); a rotating rod (53) is mounted on the inner side of the mounting plate (52); the outer side of the rotating rod (53) passes through the mounting plate (52) and is threadedly connected to the mounting plate (52); and a clamping plate (54) is fixedly mounted on the outer side of the mounting plate (52).

3. The Green column pulling mechanism for an injection molding machine according to claim 1, characterized in that: The mounting mechanism (6) comprises a mounting groove (61), wherein the mounting groove (61) is provided at four corners of the top of the bottom mold (2), a connecting block (62) is fixedly mounted at the bottom of the column (3), a vertical plate (63) is fixedly mounted at the bottom of the inner wall of the mounting groove (61), a fixing bolt (64) is mounted on the left side of the vertical plate (63), and the fixing bolt (64) passes through the vertical plate (63) and is threadedly connected to the connecting block (62).

4. The Green column pulling mechanism for an injection molding machine according to claim 2, characterized in that: A support plate (11) is fixedly mounted on the outer side of the clamping plate (54), and the clamping plate (54) and the support plate (11) are both arranged in a semi-hexagonal shape.

5. The Green column pulling mechanism for an injection molding machine according to claim 2, characterized in that: A movable groove (12) is provided on the surface of the fixed plate (51), and a movable column (13) is fixedly installed on the outer side of the rotating rod (53), and the movable column (13) is movably connected to the movable groove (12).

6. The Green column pulling mechanism for an injection molding machine according to claim 5, characterized in that: The outer side of the movable column (13) is threadedly connected with a mounting bolt (14), and the surface of the mounting bolt (14) is provided with a hexagonal groove.

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