CN219522855U - An injection mold that is easy to disassemble and maintain - Google Patents

Abstract

The utility model discloses an injection mold convenient to disassemble and maintain, which relates to the technical field of injection molds and comprises a base, wherein a bottom mold is arranged at the top end of the base, a top mold is arranged above the bottom mold, a fixing plate is arranged at the top end of the top mold, a plurality of slots are formed in one end of the fixing plate and one end of the base, fixing columns are fixed at one end of the top mold and one end of the bottom mold, one end of each fixing column extends to the inside of each slot, and connecting structures are arranged in the inside of each fixing column and one end of each fixing column. According to the utility model, the fixing column is inserted into the slot to limit the movement of the fixing column and the slot in the horizontal direction, and the fixing column is connected by using the connecting structure to limit the position of the fixing column, so that the die can be installed, and in the subsequent disassembly, the rotary rod is only required to be rotated to directly pull out the die, and compared with the traditional bolt connection mode, tools are not required, and the operation is simpler.

Description

An injection mold that is easy to disassemble and maintain

technical field

The utility model relates to the technical field of injection molds, in particular to an injection mold which is easy to disassemble and maintain.

Background technique

Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained.

Injection molds are generally divided into molds with a core and a cavity. These two parts of the mold are respectively installed on the static and dynamic platforms through bolts. Therefore, if it needs to be disassembled and maintained, the bolts need to be disassembled. It is very troublesome. In view of this, in view of the above problems, after in-depth research, this case came into being.

Utility model content

The purpose of this utility model is to provide an injection mold that is easy to disassemble and maintain, so as to solve the problem of inconvenient disassembly of the mold proposed in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an injection mold that is easy to disassemble and maintain, including a base, a bottom mold is arranged on the top of the base, a top mold is arranged above the bottom mold, and the top mold The top is provided with a fixed plate, and one end of the fixed plate and the base is provided with a plurality of slots, and one end of the top mold and the bottom mold are fixed with a fixed column, and one end of the fixed column extends to the inside of the slot, The interior and one end of the fixed column are provided with connecting structures.

Preferably, a plurality of support rods are fixed on the top of the base, and a top plate is installed on the top of the support rods, and an electric push rod is installed on the top of the top plate, and the output end of the electric push rod is connected to the top of the fixed plate.

Preferably, an installation box is installed at the bottom of the base, and a driving motor is installed on one side of the installation box, a rotating shaft is installed at the output end of the driving motor, and one end of the rotating shaft is connected to a part of the installation box through the rotating shaft. The outer wall of the rotating shaft is fixed with a plurality of cams, and a moving plate is arranged above the cams, and a plurality of ejector rods are installed on the top of the moving plate, and the top ends of the ejector rods all extend to the inside of the bottom mold. At the bottom end, push springs are sheathed on the outer wall of the push rod inside the installation box.

Preferably, the inner wall of the installation box is vertically provided with a guide groove, the outer wall of the moving plate is fixed with a guide block, and the moving plate forms a sliding connection with the installation box through the sliding fit between the guide block and the guide groove.

Preferably, the connection structure includes a limiting groove, the limiting groove is opened inside the fixed column, and one end of the limiting groove is opened with a through groove, and the inner wall of the through groove is opened with two gaps, and the gap One end extends to one end of the fixed column, the inside of the fixed plate and the base is rotated and installed with a rotating rod, and one end of the rotating rod extends to the inside of the limit groove to install a disc, and both sides of the disc are A fixed block is fixed, and the other end of the rotating rod extends to the outside of the fixed plate and the base.

Preferably, a torsion spring is sheathed on the outer wall of the rotating rod outside the fixing plate and the base, one end of the torsion spring is connected to the outer wall of the rotating rod, and the other end of the torsion spring is connected to one end of the fixing plate or the base .

Preferably, the disc and the through groove have the same shape and size, the fixing block and the notch have the same shape and size, and one end of the fixing block and one end inside the limiting groove are on the same level.

Compared with the prior art, the beneficial effects of the utility model are:

By inserting the fixed post into the slot, restricting the movement between the two in the horizontal direction, and connecting the two through the use of a connecting structure, the position of the fixed post is limited by the limit slot to the fixed block, so that After installing the mold, you only need to rotate the rotary lever and pull out the mold directly when dismounting. Compared with the traditional bolt connection method, no tools are needed, and the operation is simpler.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Fig. 2 is a side view sectional structure schematic diagram of the connection structure of the utility model;

Fig. 3 is a structural schematic diagram of a top view of the fixed column of the present invention;

Fig. 4 is a schematic diagram of an enlarged structure at A in Fig. 1 of the present invention.

In the figure: 1. Electric push rod; 2. Fixed plate; 3. Top plate; 4. Rotating rod; 5. Push spring; 6. Top mold; 7. Bottom mold; 8. Base; 9. Torsion spring; 10. Installation Box; 11. Drive motor; 12. Slot; 13. Cam; 14. Fixed column; 15. Support rod; 16. Fixed block; 17. Disc; 18. Limiting slot; 19. Through slot; ; 21, ejector rod; 22, moving plate; 23, rotating shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment: Please refer to Fig. 1-4, a kind of injection mold that is easy to disassemble and maintain, comprises base 8, and the top of base 8 is provided with bottom mold 7, and the top of bottom mold 7 is provided with top mold 6, and the top of top mold 6 A fixed plate 2 is provided;

The top of the base 8 is fixed with a plurality of support rods 15, and the top of the support rods 15 is equipped with a top plate 3, the top of the top plate 3 is equipped with an electric push rod 1, and the output end of the electric push rod 1 is connected with the top of the fixed plate 2 ;

Specifically, as shown in FIG. 1 , the fixed plate 2 is pushed by the electric push rod 1 , so that the top mold 6 can move down to cooperate with the bottom mold 7 .

One end of the fixed plate 2 and the base 8 is provided with a plurality of slots 12, and one end of the top mold 6 and the bottom mold 7 is fixed with a fixed column 14, and one end of the fixed column 14 extends to the inside of the slot 12, and the fixed column The inside and one end of 14 are provided with connecting structures;

The connection structure includes a limiting groove 18, which is set inside the fixed column 14, and one end of the limiting groove 18 is provided with a through groove 19, and the inner wall of the through groove 19 is provided with two gaps 20, and one end of the gap 20 Both extend to one end of the fixed column 14, the inside of the fixed plate 2 and the base 8 are all rotated and installed with a rotating rod 4, and one end of the rotating rod 4 is all extended to the inside of the limiting groove 18 and a disc 17 is installed. Fixed blocks 16 are fixed on both sides, and the other end of the rotating rod 4 extends to the outside of the fixed plate 2 and the base 8;

The outer wall of the rotating rod 4 on the outside of the fixed plate 2 and the base 8 is equipped with a torsion spring 9, one end of the torsion spring 9 is connected with the outer wall of the rotating rod 4, and the other end of the torsion spring 9 is connected to the fixed plate 2 or one end of the base 8 connected;

The shape and size of the disc 17 and the through groove 19 are the same, the shape and size of the fixing block 16 and the notch 20 are the same, and one end of the fixing block 16 and one end inside the limiting groove 18 are on the same level;

Specifically, as shown in Fig. 1, Fig. 2 and Fig. 3, the fixing post 14 is inserted into the slot 12 to limit the movement between the two in the horizontal direction, and the two are connected by using a connecting structure. The position groove 18 limits the position of the fixed block 16 to limit the position of the fixed column 14, so that the mold can be installed. Otherwise, the rotating rod 4 is rotated to overcome the rotation of the torsion spring 9 and drive the disc 17 to rotate inside the limit groove 18. Quarter to one week, now the fixed block 16 is aligned with the gap 20, and the top mold 6 or the bottom mold 7 can be moved directly to disassemble quickly.

The bottom end of the base 8 is equipped with an installation box 10, and one side of the installation box 10 is equipped with a drive motor 11, and the output end of the drive motor 11 is equipped with a rotating shaft 23, and one end of the rotating shaft 23 is connected to the inside of the installation box 10 through the rotating shaft. One side is connected, the outer wall of rotating shaft 23 is fixed with a plurality of cams 13, and the top of cam 13 is provided with moving plate 22, and the top of moving plate 22 is equipped with a plurality of push rods 21, and the top of push rod 21 all extends to The bottom end inside the bottom mold 7 and the outer wall of the ejector rod 21 inside the installation box 10 are all provided with a push spring 5;

The inner wall of the installation box 10 is provided with a guide groove vertically, and the outer wall of the moving plate 22 is fixed with a guide block, and the moving plate 22 forms a sliding connection with the installation box 10 through the sliding fit between the guide block and the guide groove;

Specifically, as shown in Figures 1 and 4, start the driving motor 11 to drive the cam 13 to rotate through the rotating shaft 23, and when the convex end of the cam 13 pushes the moving plate 22, the moving plate 22 overcomes the pushing spring 5 and drives the push rod 21 Move up, the finished product inside bottom mold 7 is ejected.

Working principle: When using this device, install and assemble the device, push the fixed plate 2 with the help of the electric push rod 1, so that the top mold 6 moves down to cooperate with the bottom mold 7, and then moves toward the cavity formed by the combination of the top mold 6 and the bottom mold 7 Injection molding is carried out inside. When the complete molding is cooled, the top mold 6 is reset, and the driving motor 11 is started at the same time. The driving motor 11 can drive the cam 13 to rotate through the rotating shaft 23. When the convex end of the cam 13 pushes the moving plate 22, the moving plate 22 overcomes the The push spring 5 drives the ejector pin 21 to move up, and the finished product inside the bottom mold 7 is ejected;

If it is necessary to disassemble and maintain the top mold 6 or the bottom mold 7, the rotating rod 4 can be rotated to overcome the rotation of the torsion spring 9, and drive the disc 17 to rotate for a quarter to one turn in the limit groove 18. At this time, the fixed block 16 Align with the notch 20, and can no longer be limited by the position of the limit groove 18, and then directly move the top mold 6 or the bottom mold 7, so that the fixed block 16 can leave the notch 20, causing the rotating rod 4 to separate from the fixed column 14, that is, Separate it from the corresponding fixing plate 2 or base 8 to complete quick disassembly.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an injection mold convenient to dismantle maintenance, includes base (8), the top of base (8) is provided with die block (7), the top of die block (7) is provided with top mould (6), and the top of top mould (6) is provided with fixed plate (2), its characterized in that: a plurality of slots (12) have all been seted up to the one end of fixed plate (2) and base (8), and the one end of cope match-die (6) and die block (7) all is fixed with fixed column (14), the one end of fixed column (14) all extends to the inside of slot (12), the inside and the one end of fixed column (14) are provided with connection structure.

2. The injection mold convenient to disassemble and maintain according to claim 1, wherein: the top of base (8) is fixed with a plurality of bracing pieces (15), and roof (3) are installed on the top of bracing piece (15), electric putter (1) are installed on the top of roof (3), and the output of electric putter (1) is connected with the top of fixed plate (2).

3. The injection mold convenient to disassemble and maintain according to claim 1, wherein: install mounting box (10) in the bottom of base (8), and one side of mounting box (10) is installed driving motor (11), rotation axis (23) are installed to driving motor's (11) output, and the one end of rotation axis (23) is connected with one side of mounting box (10) inside through the pivot, the outer wall of rotation axis (23) is fixed with a plurality of cams (13), and the top of cams (13) is provided with movable plate (22), a plurality of ejector pins (21) are installed on the top of movable plate (22), and the top of ejector pin (21) all extends to the inside bottom of die block (7), the equal cover of ejector pin (21) outer wall of mounting box (10) inside is equipped with push spring (5).

4. An injection mold for easy disassembly and maintenance according to claim 3, wherein: the guide groove is vertically formed in the inner wall of the mounting box (10), the guide block is fixed to the outer wall of the moving plate (22), and the moving plate (22) is in sliding connection with the mounting box (10) through sliding fit between the guide block and the guide groove.

5. The injection mold convenient to disassemble and maintain according to claim 1, wherein: connection structure includes spacing groove (18), spacing groove (18) are seted up in the inside of fixed column (14), and logical groove (19) have been seted up to the one end of spacing groove (18), two breach (20) have been seted up to the inner wall of leading to groove (19), and the one end of breach (20) all extends to the one end of fixed column (14), rotary rod (4) are all installed in the inside of fixed plate (2) and base (8) rotation, and the one end of rotary rod (4) all extends to the internally mounted of spacing groove (18) and have disc (17), the both sides of disc (17) all are fixed with fixed block (16), the other end of rotary rod (4) extends to the outside of fixed plate (2) and base (8).

6. The injection mold convenient to disassemble and maintain according to claim 5, wherein: the outer walls of the rotating rods (4) on the outer sides of the fixed plate (2) and the base (8) are respectively sleeved with a torsion spring (9), one end of each torsion spring (9) is connected with the outer wall of each rotating rod (4), and the other end of each torsion spring (9) is connected with one end of the fixed plate (2) or one end of the base (8).

7. The injection mold convenient to disassemble and maintain according to claim 5, wherein: the shape and the size of the disc (17) are the same as those of the through groove (19), the shape and the size of the fixed block (16) are the same as those of the notch (20), and one end of the fixed block (16) and one end of the inside of the limit groove (18) are on the same horizontal plane.