CN216683223U

CN216683223U - Injection molding machine movable mold table pushing structure and injection molding machine

Info

Publication number: CN216683223U
Application number: CN202122636195.7U
Authority: CN
Inventors: 胡昌石
Original assignee: Guangdong Zhongzhineng Plastic Technology Co ltd
Current assignee: Guangdong Zhongzhineng Plastic Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-06-07
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a movable mould table pushing structure of an injection molding machine and the injection molding machine, comprising a guide rail device horizontally erected above a rack; the movable mould table is connected with the guide rail device to move along the guide direction of the guide rail device; the driving table is arranged at one end of the guide rail device and connected with the rack, two first guide grooves are vertically arranged on one side surface of the driving table, which faces the movable die table, a driving device is arranged in each first guide groove, and the two first guide grooves are distributed by taking the vertical central plane of the driving table as a symmetrical plane; two first push rods are arranged between the movable mould table and the driving table, one end of each first push rod is connected with the driving device to move along the guide direction of the first guide groove, the other end of each first push rod is hinged with the movable mould table, and the two first push rods are staggered with each other, so that the axes of the two first push rods are mutually in a straight line with different surfaces; the injection molding machine movable mold table pushing structure can provide and maintain large mold closing force, and is simple in transmission structure and long in service life.

Description

Injection molding machine movable mold table pushing structure and injection molding machine

Technical Field

The utility model relates to the technical field of injection molding equipment, in particular to a movable mold table pushing structure of an injection molding machine and the injection molding machine.

Background

The injection molding machine movable mold table can be directly pushed by a hydraulic push rod and can also be driven by a screw rod. When the hydraulic push rod is adopted for directly pushing, although a large mold closing force can be generated, various valves in the hydraulic loop bear large pressure when the mold closing is kept; when the screw rod is adopted for transmission, the generated mold closing force is smaller than that of a hydraulic push rod, and when mold closing is kept, the stress on teeth on the screw rod is the largest, so that the teeth are easy to wear.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a movable mold table pushing structure of an injection molding machine, which can provide and maintain large mold closing force, has a simple transmission structure and is long in service life.

The utility model also provides an injection molding machine.

According to an embodiment of the first aspect of the present invention, a motorized mold table pushing structure for injection molding includes: the device comprises a rack, wherein a guide rail device is horizontally erected above the rack; the movable mould table is connected with the guide rail device and moves along the guide direction of the guide rail device; the driving table is arranged at one end of the guide rail device and connected with the rack, two first guide grooves are vertically formed in one side face, facing the movable die table, of the driving table, a driving device is arranged in each first guide groove, and the two first guide grooves are distributed by taking the vertical central plane of the driving table as a symmetrical plane; the two first pushing rods are arranged between the movable mould table and the driving table, one end of each first pushing rod is connected with the driving device to move along the guide direction of the corresponding first guide groove, the other end of each first pushing rod is hinged with the movable mould table, and the two first pushing rods are staggered with each other, so that the axes of the two first pushing rods are mutually in a straight line with different surfaces.

The injection molding machine movable mold table pushing structure provided by the embodiment of the utility model at least has the following technical effects: the guide rail device is used for supporting the movable mould table and moving and guiding, so that the movable mould table is accurately closed; the first push rod is used for connecting the movable mould table and the driving device arranged in the first guide groove so as to provide power for moving the movable mould table, and when one end of the first push rod connected with the driving device moves in the first guide groove, the first push rod can drive the movable mould table to carry out mould closing or separation; when the first push rod pushes the movable mould table to a mould closing state, the first push rod is approximately parallel to the guide rail device, most of the reaction force transmitted by the movable mould table is transmitted to the driving table at the moment, and the pressure on the driving device is reduced.

In some embodiments of the present invention, the driving device includes a hydraulic pump and a slider, the hydraulic pump is disposed at an end of the first guide groove, the slider is disposed in the first guide groove, the hydraulic pump is drivingly connected to the slider to drive the slider to move along a guide direction of the first guide groove, and an end of the first push rod is hinged to the slider.

In some embodiments of the utility model, a pressure gauge is provided on the hydraulic pump.

In some embodiments of the present invention, two second guide grooves are further vertically arranged on one side surface of the driving table facing the movable die table, the second guide grooves are both arranged between the two first guide grooves, the two second guide grooves are distributed with a vertical central plane of the driving table as a symmetric plane, a second driving device is arranged in each second guide groove, two second pushing rods are further arranged between the movable die table and the driving table, one end of each second pushing rod is connected with the second driving device to move along a guiding direction of the corresponding second guide groove, the other end of each second pushing rod is hinged to the movable die table, and the second pushing rods are mutually staggered with the adjacent first pushing rods, so that axes of the two pushing rods are mutually different-surface straight lines.

In some embodiments of the present invention, the guide rail device includes two cylindrical first guide rods, the two first guide rods are arranged in parallel, two corners of the lower side of the side surface of the movable die table facing the driving table are provided with first guide holes, and the first guide rods pass through the first guide holes, so that the movable die table can move along the guide direction of the first guide rods.

In some embodiments of the present invention, the guide rail device further includes two second guide rods, the two second guide rods are disposed above the first guide rod and parallel to the first guide rod, the movable mold table is further provided with second guide holes, the second guide holes are respectively located at two corners above the first guide hole, and the second guide rods pass through the second guide holes.

According to a second aspect of the utility model, the injection molding machine comprises the injection molding motorized mold table pushing structure.

The injection molding machine provided by the embodiment of the utility model at least has the following technical effects: the generated mold clamping force is large, the transmission structure is simple, and the service life is long.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of the embodiment of the present invention;

FIG. 3 is a schematic structural view of a first push rod and a second push rod according to an embodiment of the present invention.

Reference numerals:

the guide device comprises a machine frame 100, a guide rail device 110, a first guide rod 111, a second guide rod 112, a movable mold base 200, a driving table 300, a first guide groove 310, a hydraulic pump 311, a slide block 312, a second guide groove 320, a first push rod 410 and a second push rod 420.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a motorized mold table pushing structure for injection molding according to an embodiment of a first aspect of the present invention includes: a rack 100, wherein a guide rail device 110 is horizontally erected above the rack 100; a movable die table 200, the movable die table 200 being connected to the rail device 110 to move in a guide direction of the rail device 110; the driving table 300 is arranged at one end of the guide rail device 110, and is connected with the rack 100, two first guide grooves 310 are vertically arranged on one side surface of the driving table 300 facing the movable die table 200, a driving device is arranged in each first guide groove 310, and the two first guide grooves 310 are distributed by taking a vertical central plane of the driving table 300 as a symmetrical plane; two first push rods 410 are arranged between the first push rod 410, the movable mould table 200 and the driving table 300, one end of the first push rod 410 is connected with the driving device to move along the guiding direction of the first guiding groove 310, the other end of the first push rod is hinged with the movable mould table 200, and the two first push rods 410 are mutually staggered, so that the axes of the two first push rods 410 are mutually in a straight line with different surfaces.

The guide rail device 110 is used for supporting the movable mould table 200 and is used for moving and guiding the movable mould table 200, so that the movable mould table 200 is accurately matched; the first push rod 410 is used for connecting the movable mould stage 200 and a driving device arranged in the first guide groove 310 so as to provide power for moving the movable mould stage 200, and when one end of the first push rod 410 connected with the driving device moves in the first guide groove 310, the movable mould stage 200 can be driven to carry out mould closing or separation; when the movable mold table 200 is in the separated state, one end of the first push rod 410 connected with the driving device is located at one end of the first guide groove 310, when the driving device drives the end of the first push rod 410 to move to the other end position of the first guide groove 310, the first push rod 410 pushes the movable mold table 200 to the mold closing state, in the mold closing state, the first push rod 410 is approximately parallel to the guide rail device 110, at this time, most of the reaction force transmitted by the movable mold table 200 is transmitted to the driving table 300, and the pressure on the driving device is reduced. The two first pushing rods 410 are arranged in a staggered manner, so that the external forces applied to the moving die table 200 by the two first pushing rods 410 are symmetrical forces, and after the external forces are combined, only forces in the direction parallel to the guide rail device 110 are generated, thereby preventing the guide rail device 110 from being bent under force.

Referring to fig. 2, in some embodiments of the present invention, the driving means includes a hydraulic pump 311 and a slider 312, the hydraulic pump 311 is disposed at an end of the first guide groove 310, the slider 312 is disposed in the first guide groove 310, the hydraulic pump 311 is drivingly connected to the slider 312 to move the slider 312 in a guide direction of the first guide groove 310, and an end of the first push rod 410 is hinged to the slider 312.

The hydraulic pump 311 can provide bigger driving force, adopts slider 312 and first guide way 310 sliding connection, and its sliding contact face is bigger, and during the compound die, the effort that first catch bar 410 transmitted transmits to first guide way 310 through slider 312, on the drive table 300 promptly, equal effort size, bigger contact face can reduce the pressure size.

In some embodiments of the present invention, a pressure gauge is provided on the hydraulic pump 311.

The hydraulic pump 311 is provided with a pressure gauge, which can display the working pressure of the hydraulic pump 311, i.e., can indirectly and visually adjust the magnitude of the mold clamping force.

Referring to fig. 3, in some embodiments of the present invention, two second guide grooves 320 are further vertically disposed on a side of the driving table 300 facing the movable mold table 200, the second guide grooves 320 are both disposed between the two first guide grooves 310, the two second guide grooves 320 are distributed with a vertical central plane of the driving table 300 as a symmetrical plane, a second driving device is disposed in each second guide groove 320, two second push rods 420 are further disposed between the movable mold table 200 and the driving table 300, one end of each second push rod 420 is connected to the second driving device to move along a guiding direction of the second guide groove 320, and the other end is hinged to the movable mold table 200, and the second push rods 420 are staggered with the adjacent first push rods 410, so that axes of the second push rods and the first push rods 410 are in a straight line with each other.

The second push rod 420 and the first push rod 410 can equally divide acting force generated during die assembly, and each group of parts used for transmission are symmetrically distributed, so that the transmission of the movable die table 200 is more stable, the die assembly precision is ensured, and the product quality is improved.

In some embodiments of the present invention, the guide rail device 110 includes two first guide rods 111 having a cylindrical shape, the two first guide rods 111 are disposed in parallel with each other, two lower corners of a side surface of the movable mold table 200 facing the driving table 300 are provided with first guide holes therethrough, and the first guide rods 111 pass through the first guide holes, so that the movable mold table 200 can move along the guide direction of the first guide rods 111.

The first guide rod 111 and the first guide hole are matched for guiding, so that the moving direction of the movable die table 200 is not deviated, and the movable die table 200 can be supported.

In some embodiments of the present invention, the guide rail device 110 further includes two second guide rods 112 having a cylindrical shape, the two second guide rods 112 are disposed above the first guide rod 111 and parallel to the first guide rod 111, the movable mold 200 is further provided with second guide holes passing therethrough, the second guide holes are respectively disposed at two corners above the first guide holes, and the second guide rods 112 pass through the second guide holes.

After the second guide rod 112 is arranged, the first guide rod 111 provides bearing capacity for the movable mold base 200, and the second guide rod 112 provides suspension capacity for the movable mold base 200, so that the stress of each first guide rod 111 and each second guide rod 112 is reduced, and the capacity of the movable mold base 200 for resisting axial torsion is improved.

The injection molding machine adopts the movable mold table pushing structure of the injection molding machine, can provide large mold closing force and keep the mold closing force, and has simple transmission structure and long service life.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An injection molding machine movable mold table pushing structure, comprising:

the device comprises a rack (100), wherein a guide rail device (110) is horizontally erected above the rack (100);

a movable mould table (200), wherein the movable mould table (200) is connected with the guide rail device (110) to move along the guide direction of the guide rail device (110);

the driving platform (300) is arranged at one end of the guide rail device (110) and connected with the rack (100), two first guide grooves (310) are vertically arranged on one side surface, facing the movable die table (200), of the driving platform (300), a driving device is arranged in each first guide groove (310), and the two first guide grooves (310) are distributed by taking a vertical central plane of the driving platform (300) as a symmetrical plane;

the mould moving table comprises first push rods (410), wherein two first push rods (410) are arranged between the mould moving table (200) and the driving table (300), one end of each first push rod (410) is connected with the driving device to move along the guide direction of the corresponding first guide groove (310), the other end of each first push rod is hinged to the mould moving table (200), and the two first push rods (410) are mutually staggered to enable the axes of the two first push rods (410) to be mutually in a straight line with different surfaces.

2. An injection molding machine power mold table pushing structure according to claim 1, characterized in that the driving means comprises a hydraulic pump (311) and a slider (312), the hydraulic pump (311) is disposed at an end of the first guide groove (310), the slider (312) is disposed in the first guide groove (310), the hydraulic pump (311) is drivingly connected with the slider (312) to move the slider (312) in a guiding direction of the first guide groove (310), and an end of the first push rod (410) is hinged on the slider (312).

3. An injection molding machine power mold table pushing structure according to claim 2, characterized in that a pressure gauge is provided on the hydraulic pump (311).

4. The injection molding machine movable mold table pushing structure according to claim 1, wherein two second guide grooves (320) are further vertically arranged on one side surface of the driving table (300) facing the movable mold table (200), the second guide grooves (320) are both arranged between the two first guide grooves (310), the two second guide grooves (320) are distributed by taking a vertical central plane of the driving table (300) as a symmetrical plane, a second driving device is arranged in each second guide groove (320), two second pushing rods (420) are further arranged between the movable mold table (200) and the driving table (300), one end of each second pushing rod (420) is connected with the second driving device so as to move along the guiding direction of the second guide groove (320), the other end of each second pushing rod is hinged with the movable mold table (200), and the second pushing rods (420) are staggered with the adjacent first pushing rods (410), so that the axes of the two are straight lines with different planes.

5. An injection molding machine movable mold stage pushing structure according to claim 1, wherein the guide rail device (110) comprises two first guide rods (111) having a cylindrical shape, the two first guide rods (111) are arranged in parallel with each other, and the movable mold stage (200) is provided with first guide holes therethrough at both lower corners of a side surface facing the driving stage (300), the first guide rods (111) pass through the first guide holes, so that the movable mold stage (200) can move in a guide direction of the first guide rods (111).

6. An injection molding machine movable mold table pushing structure according to claim 5, wherein the guide rail device (110) further comprises two second guide rods (112) having a cylindrical shape, the two second guide rods (112) are disposed above the first guide rod (111) and parallel to the first guide rod (111), the movable mold table (200) is further provided with second guide holes therethrough, the second guide holes are respectively located at two corners above the first guide holes, and the second guide rods (112) pass through the second guide holes.

7. An injection molding machine comprising the motorized mold table pushing structure of any one of claims 1 to 6.