CN221641600U - Positioning frame for injection mold - Google Patents

Abstract

The application relates to the technical field of injection molds and discloses a positioning frame for an injection mold, which comprises a fixed plate, wherein one side of the fixed plate is fixedly connected with a plurality of groups of positioning rods, the surfaces of the plurality of groups of positioning rods are slidably connected with a movable plate, one side of the movable plate, which is close to the fixed plate, is fixedly connected with a plurality of groups of springs, the tops of inner cavities of the fixed plate and the movable plate are fixedly connected with two groups of cylinders, and the bottoms of the two groups of cylinders are provided with fixing pieces; the application has the advantages that through the matched use of the fixing piece and other related components, the whole use and the operation are simple and convenient, a good buffer protection effect can be realized when the die is closed, the abrasion between the die and the die can be correspondingly reduced, the actual service life of the die can be prolonged, the dies with different sizes can be rapidly fixed, the consistency of the degree of tightness, the height and the like of the die can be improved, the accuracy of the die closing can be correspondingly ensured, and the injection molding processing efficiency and the quality of the die can be improved.

Description

A positioning frame for injection mold

Technical Field

The present application relates to the technical field of injection molds, and in particular to a positioning frame for injection molds.

Background Art

An injection mold is a mold used in the injection molding process, also known as an injection mold, plastic mold or plastic mold. It is a key tool for producing plastic products.

In the utility model with the Chinese patent authorization announcement number "CN218640206U", "a positioning frame for injection molds is disclosed, belonging to the technical field of injection molds, including a fixed injection mold and a movable injection mold, both of which are provided with fixing mechanisms, a socket is provided on the top of one of the fixing mechanisms, and a conical slot is provided on the inner side of the socket." And by installing the fixing mechanism with the socket connected to the top surface on the fixed injection mold, and installing the fixing mechanism with the support base connected to the top surface on the movable injection mold, when the movable injection mold moves to close the mold, the conical pin is driven to move to the inner cavity of the conical slot, and the conical pin is brought into contact with the contact sensor, when the contact sensor detects the conical pin, the controller is used to control the injection molding machine to inject plastic into the inner cavity of the fixed injection mold and the movable injection mold, and the fixing mechanism is provided to limit the fixed injection mold and the movable injection mold to ensure that there is no deviation during the movement, and the movable injection mold and the fixed injection mold can be fixed by rotating the rotating disk and the stud, and the fixing member thereof;

With respect to the above-mentioned related technologies, the inventor believes that, in the above-mentioned utility model, the rotating disk and the studs are mainly driven by hand and related tools to fix the movable mold and the fixed mold, which is relatively cumbersome to operate and can also affect the actual work efficiency. At the same time, it is inconvenient to drive it manually to keep the number of rotations of each stud and the rotating disk consistent every time, which may result in different tightness of the movable mold and the fixed mold, and different support heights, which may affect the accuracy of the mold clamping and thus affect the injection molding quality and efficiency.

The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field.

Utility Model Content

In order to solve the problems that the existing method of fixing the fixed mold and the movable mold by manually rotating the studs and rotating disks to drive the fixing parts is inconvenient to operate, affects work efficiency, and may result in inconsistent tightness and support height of the fixed mold and the movable mold, affecting the mold clamping accuracy, injection molding quality and efficiency, the present application provides a positioning frame for an injection mold.

The present application provides a positioning frame for an injection mold using the following technical solution:

A positioning frame for an injection mold comprises a fixed plate, one side of the fixed plate is fixedly connected to a plurality of groups of positioning rods, the surfaces of the plurality of groups of the positioning rods are slidably connected to movable plates, a side where the movable plate and the fixed plate are close to each other is fixedly connected to a plurality of groups of springs, and the plurality of groups of springs are all arranged on the surface of the positioning rods, the tops of the inner cavities of the fixed plate and the movable plate are fixedly connected to two groups of cylinders, the bottoms of the two groups of cylinders are provided with fixing parts, and the fixing parts are arranged on the side where the fixed plate and the movable plate are close to each other.

Preferably, the fixing part includes a lower sliding frame, an upper sliding frame, a brake motor, a fixed concave block, a limit groove and a bidirectional threaded rod, two groups of limit grooves are provided on the side where the fixed plate and the movable plate are close to each other, the inner cavity side walls of the two groups of limit grooves are slidably connected with the upper sliding frame, and the side where the fixed plate and the movable plate are close to each other are fixedly connected with the lower sliding frame by bolts.

Preferably, the tops of the two groups of upper sliding frames are fixedly connected to the bottom of the cylinder by bolts, one side of the two groups of upper sliding frames and the two groups of lower sliding frames are fixedly connected to the brake motor by bolts, and the inner cavity side walls of the two groups of upper sliding frames and the two groups of lower sliding frames are rotatably connected to the bidirectional threaded rods through the rotating shaft.

Preferably, one end of the two groups of bidirectional threaded rods close to the brake motors rotates through the upper sliding frame and the lower sliding frame respectively, and the two groups of brake motors are fixedly connected to one end of the bidirectional threaded rods passing through the upper sliding frame and the lower sliding frame respectively through the output shafts.

Preferably, surfaces of the two groups of bidirectional threaded rods are threadedly connected with fixed recessed blocks, and the sides of the two groups of fixed recessed blocks close to each other are respectively fixedly connected with a fixed mold and a movable mold.

In summary, this application includes the following beneficial technical effects:

1. Through the coordinated use of fixings and other related components, the two-way threaded rod in the lower sliding frame can be rotated by the drive of the brake motor, and then the fixed mold and the movable mold can be fixed by the fixed concave block, and then the upper sliding frame and related components can be driven by the cylinder to move, and then the corresponding brake motor is driven to rotate the two-way threaded rod to fix the top of the movable mold and the fixed mold, and the corresponding control system can be coordinated to control the output and rotation of each group of brake motors and cylinders to be consistent, so as to ensure the fixing tightness and support height of the movable mold and the fixed mold; compared with the prior art, the overall operation is simple, and molds of different sizes can be quickly fixed, and the consistency of the fixing tightness and height can be improved, so the accuracy of the mold can be ensured, and the efficiency and quality of the injection molding process can be improved;

2. By using the positioning rods, springs and other components in combination, and utilizing a plurality of positioning rods fixedly connected to one side of the fixed plate, the movable plate sliding on the surface of the positioning rods can be limited, thereby ensuring the movement stability of the movable plate and components such as the movable mold, and improving the accuracy of the mold closing. In addition, the provided springs can slow down the mold closing process, thereby preventing the mold closing process from being too fast and causing wear between the molds. Compared with the prior art, the overall structure is simple, and can provide a good buffering and protective effect when the mold is closed, thereby correspondingly reducing the wear between the molds and increasing their actual service life.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a three-dimensional structure from a first viewing angle of an embodiment of the application;

FIG2 is a cross-sectional view of a movable panel and a schematic diagram of a partial structure of related components according to an embodiment of the application;

FIG. 3 is a cross-sectional view of an upper sliding frame and a schematic diagram of a partial structure of related components according to an embodiment of the application.

Explanation of the accompanying drawings: 1. fixed plate; 2. movable plate; 3. positioning rod; 4. spring; 5. cylinder; 6. lower sliding frame; 7. upper sliding frame; 8. brake motor; 9. fixed concave block; 10. fixed mold; 11. movable mold; 12. limit groove; 13. bidirectional threaded rod.

DETAILED DESCRIPTION

The present application is further described in detail below in conjunction with Figures 1-3.

The embodiment of the present application discloses a positioning frame for injection molds. Referring to Figures 1-3, a positioning frame for injection molds includes a fixed plate 1, a plurality of groups of positioning rods 3 are fixedly connected to one side of the fixed plate 1, a movable plate 2 is slidably connected to the surface of the plurality of groups of positioning rods 3, a plurality of groups of springs 4 are fixedly connected to the side where the movable plate 2 and the fixed plate 1 are close to each other, and the plurality of groups of springs 4 are all arranged on the surface of the positioning rod 3, two groups of cylinders 5 are fixedly connected to the top of the inner cavity of the fixed plate 1 and the movable plate 2, a fixing part is arranged at the bottom of the two groups of cylinders 5, and the fixing part is arranged at the side where the fixed plate 1 and the movable plate 2 are close to each other, the fixing part includes a lower sliding frame 6, an upper sliding frame 7, a brake motor 8, a fixed concave block 9, a limiting groove 12 and a bidirectional threaded rod 13, two groups of limiting grooves 12 are opened on the side where the fixed plate 1 and the movable plate 2 are close to each other, the inner cavity side walls of the two groups of limiting grooves 12 are slidably connected to the upper sliding frame 7, and the side where the fixed plate 1 and the movable plate 2 are close to each other is fixedly connected to the lower sliding frame 6 by bolts;

By adopting the above technical scheme, a plurality of groups of positioning rods 3 fixedly connected to one side of the fixed plate 1 can limit the movable plate 2 sliding on the surface of the positioning rods 3, so as to ensure the accuracy of its positioning when the mold is closed. At the same time, the springs 4 provided on the surface of the plurality of groups of positioning rods 3 can play a buffering role when the mold is closed, so as to avoid excessive mold closing speed and cause greater wear between the molds. The lower sliding frame 6 provided on the side where the fixed plate 1 and the movable plate 2 are close to each other can support the mold in cooperation with its related fixing parts, and the upper sliding frame 7 provided can fix the top of the mold in cooperation with its corresponding fixing parts. The limit groove 12 can ensure the stability and balance of the upper sliding frame 7 during movement.

1, 2 and 3, the tops of the two groups of upper sliding frames 7 are fixedly connected to the bottom of the cylinder 5 by bolts, one side of the two groups of upper sliding frames 7 and the two groups of lower sliding frames 6 are fixedly connected to the brake motor 8 by bolts, the inner cavity side walls of the two groups of upper sliding frames 7 and the two groups of lower sliding frames 6 are rotatably connected with the bidirectional threaded rod 13 through the rotating shaft, the ends of the two groups of bidirectional threaded rod 13 close to the brake motor 8 are respectively rotated through the upper sliding frame 7 and the lower sliding frame 6, the two groups of brake motors 8 are respectively fixedly connected to the ends of the bidirectional threaded rod 13 passing through the upper sliding frame 7 and the lower sliding frame 6 by the output shaft, the surfaces of the two groups of bidirectional threaded rod 13 are threadedly connected with fixed concave blocks 9, and the two groups of fixed concave blocks 9 are respectively fixedly connected with the fixed mold 10 and the movable mold 11 on the sides close to each other;

By adopting the above technical scheme, the brake motor 8 of the two groups of lower sliding frames 6 is output first, driving the bidirectional threaded rod 13 connected to the inner cavity side wall to rotate, and the surface of the bidirectional threaded rod 13 is provided with two groups of opposite thread patterns, and each group of fixed concave blocks 9 is divided into two. When the bidirectional threaded rod 13 rotates, the two fixed concave blocks 9 threadedly connected on the surface can fix the bottom of the movable mold 11 and the fixed mold 10. At this time, the cylinder 5 is used to output, which can drive the two groups of upper sliding frames 7 to move. When moving to an appropriate height, the brake motor 8 fixedly connected to one side of the upper sliding frame 7 can output, and the bidirectional threaded rod 13 can be rotated to fix the fixed concave blocks 9 to fix the top of the movable mold 11 and the fixed mold 10. At this time, the positioning and fixing of the mold is completed, and the corresponding control system can be coordinated to facilitate the consistent control of the output rotation number of multiple groups of brake motors 8 and the cylinder 5, that is, to control the tightness of the mold fixation and the support height, etc., which can improve the accuracy of the mold clamping.

The implementation principle of a positioning frame for an injection mold in the embodiment of the present application is as follows: a plurality of groups of positioning rods 3 fixedly connected to one side of a fixed plate 1 can limit the movable plate 2 sliding on the surface of the positioning rod 3, so as to ensure the accuracy of its positioning when the mold is closed. At the same time, the springs 4 provided on the surface of the plurality of groups of positioning rods 3 can play a buffering role when the mold is closed to avoid excessive mold closing speed, which causes greater wear between the molds. The lower sliding frame 6 provided on one side where the fixed plate 1 and the movable plate 2 are close to each other can support the mold in cooperation with its related fixing parts, and the upper sliding frame 7 provided can fix the top of the mold in cooperation with its corresponding fixing parts, and the limit groove 12 provided can ensure the stability and balance of the upper sliding frame 7 during the movement. The brake motors 8 of the two groups of lower sliding frames 6 are output first to drive the bidirectional threaded rod 13 connected to the rotation of the inner cavity side wall to rotate, and the surface of the bidirectional threaded rod 13 is provided with two groups of opposite thread patterns, and each group of fixed concave blocks 9 is divided into two. When the bidirectional threaded rod 1 3 rotates, and the two fixed concave blocks 9 threadedly connected on the surface can fix the bottom of the movable mold 11 and the fixed mold 10. At this time, the output of the cylinder 5 can drive the two groups of upper sliding frames 7 to move. When moving to an appropriate height, the brake motor 8 fixedly connected to one side of the upper sliding frame 7 can be output, and the bidirectional threaded rod 13 thereof can be rotated so that the fixed concave blocks 9 can fix the top of the movable mold 11 and the fixed mold 10. At this time, the positioning and fixing of the mold is completed, and the corresponding control system can be coordinated to facilitate the consistent control of the output rotation number of its multiple groups of brake motors 8 and the cylinder 5, that is, to facilitate the control of the mold fixing tightness and support height, etc., which can improve the accuracy of the mold clamping. The overall structure is simple, and it can play a good buffering and protective role when it is clamped, which can reduce the wear between them and increase their actual service life. It can also improve the consistency of the fixing tightness and height, etc., which can ensure the accuracy of the clamping, and improve the efficiency and quality of the injection molding process.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims (5)

1. A positioning frame for an injection mold, comprising a fixed plate (1), characterized in that: a plurality of groups of positioning rods (3) are fixedly connected to one side of the fixed plate (1), the surfaces of the plurality of groups of positioning rods (3) are slidably connected to a movable plate (2), a plurality of groups of springs (4) are fixedly connected to the side where the movable plate (2) and the fixed plate (1) are close to each other, and the plurality of groups of springs (4) are all arranged on the surface of the positioning rod (3), two groups of cylinders (5) are fixedly connected to the top of the inner cavity of the fixed plate (1) and the movable plate (2), the bottoms of the two groups of cylinders (5) are provided with fixing parts, and the fixing parts are arranged on the side where the fixed plate (1) and the movable plate (2) are close to each other. 2. A positioning frame for an injection mold according to claim 1, characterized in that: the fixed part includes a lower sliding frame (6), an upper sliding frame (7), a brake motor (8), a fixed concave block (9), a limiting groove (12) and a bidirectional threaded rod (13), and two groups of limiting grooves (12) are provided on the side where the fixed plate (1) and the movable plate (2) are close to each other, and the inner cavity side walls of the two groups of the limiting grooves (12) are slidably connected with the upper sliding frame (7), and the side where the fixed plate (1) and the movable plate (2) are close to each other is fixedly connected with the lower sliding frame (6) by bolts. 3. A positioning frame for an injection mold according to claim 2, characterized in that: the tops of the two groups of upper sliding frames (7) are fixedly connected to the bottom of the cylinder (5) by bolts, one side of the two groups of upper sliding frames (7) and the two groups of lower sliding frames (6) are fixedly connected to a brake motor (8) by bolts, and the inner cavity side walls of the two groups of upper sliding frames (7) and the two groups of lower sliding frames (6) are rotatably connected to a bidirectional threaded rod (13) through a rotating shaft. 4. A positioning frame for an injection mold according to claim 3, characterized in that: one end of the two groups of bidirectional threaded rods (13) close to the brake motor (8) respectively rotates through the upper sliding frame (7) and the lower sliding frame (6), and the two groups of brake motors (8) are fixedly connected to one end of the bidirectional threaded rods (13) passing through the upper sliding frame (7) and the lower sliding frame (6) through the output shaft. 5. A positioning frame for an injection mold according to claim 3, characterized in that: the surfaces of the two groups of bidirectional threaded rods (13) are both threadedly connected with fixed recessed blocks (9), and the sides of the two groups of fixed recessed blocks (9) close to each other are respectively fixedly connected with a fixed mold (10) and a movable mold (11).