Injection molding device facilitating part taking

Abstract

The utility model relates to the technical field of injection molding equipment for automobile plastic parts, and discloses an injection molding device convenient for part taking, which comprises a bottom plate, an upper mold positioned above the top of the bottom plate and a lower mold positioned between the upper mold and the bottom plate, and an upper forming groove is formed in the bottom end of the interior of the upper mold, a material injection pipe is arranged in the middle of the top of the upper mold, and mounting blocks are arranged in the middles of the bottoms of the two sides of the upper mold. The push plate is connected with the ejector plate through the movable rod, the movable rod and the lower die can move through the movable hole, the bottom of the push plate abuts against the top of the bottom plate along with downward movement of the lower die, a formed part is ejected out of the lower forming groove through the ejector plate, the ejector plate is the bottom face of the lower forming groove, and the lower forming groove is formed. And the pressure of the ejection plate can be prevented from deforming the molded part, so that the injection molding quality of the molding device is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment for automobile plastic parts, in particular to an injection molding device which is convenient for taking out parts. Background Art

[0002] Automotive plastic parts are accessories made of plastic on cars. Plastic accessories are widely used in cars, among which body and interior parts are very common. In the production process of automotive plastic parts, automotive plastic parts need to be injection molded by injection molding equipment.

[0003] Application number CN202223226960.9 discloses an injection molding device that is convenient for removing parts, including: an upper mold base and a lower mold base. The bottom of the upper mold base is provided with an upper molding cavity, the top of the lower mold base is provided with a lower molding cavity, and there is a spring between the lower mold base and the bottom plate and mounted on the outer wall of the guide column... During the separation process of the upper mold base from the lower mold base, the injection molding device of the utility model ejects the mold by gas, effectively avoiding the occurrence of marks on the ejection part; this type of injection molding device ejects the molded part by gas, and the gas will also generate a certain pressure on the molded part, thereby causing the molded part to deform, resulting in poor ejection effect of the molded part and low production quality of the molded part. Utility Model Content

[0004] The purpose of the present utility model is to provide an injection molding device that is convenient for taking out parts, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an injection molding device for facilitating part removal, comprising a base plate, an upper mold located above the top of the base plate, and a lower mold located between the upper mold and the base plate, wherein the base plate comprises:

[0006] Support rods are arranged at the four corners of the top of the bottom plate, and an upper forming groove is provided at the bottom end of the interior of the upper mold;

[0007] A material injection pipe is provided at the middle position of the top of the upper mold, mounting blocks are provided at the middle position of the bottom of both sides of the upper mold, hydraulic cylinders are provided on the tops of the two sets of mounting blocks, and connecting blocks are provided at the middle position of the top of both sides of the lower mold;

[0008] A lower forming groove is provided at the top of the lower mold, an ejector plate is provided inside the lower forming groove, a plurality of movable rods penetrating to the bottom of the lower mold are provided at the bottom of the ejector plate, a push plate is provided at the bottom of the movable rod, and a spring is provided on the outer side of the movable rod near one end of the push plate.

[0009] Preferably, the bottom end of the support rod is welded to the top end of the base plate, the top end of the support rod is welded to the bottom end of the upper mold, and the upper mold is fixedly connected to the base plate via the support rod.

[0010] Preferably, a connecting flange is provided at the top end of the injection tube, the two sets of mounting blocks are welded to the upper mold, and the hydraulic cylinder is fixedly connected to the mounting block by fixing bolts.

[0011] Preferably, the two groups of connecting blocks are both welded to the lower mold, and the tops of the two groups of connecting blocks are both provided with mounting grooves, and the telescopic ends of the hydraulic cylinders are detachably connected to the connecting blocks through the mounting grooves.

[0012] Preferably, sliding holes are provided at the four corners inside the lower mold, and the support rods penetrate into the sliding holes, and the lower mold is slidably connected to the support rods through the sliding holes.

[0013] Preferably, the top end of the movable rod is welded to the bottom end of the ejection plate, the bottom end of the movable rod is welded to the bottom end of the push plate, and the number of the push plates is set to five groups.

[0014] Preferably, the ejector plate is fixedly connected to the push plate via a movable rod, and the ejector plate is movably connected to the lower mold via a lower molding groove.

[0015] Preferably, the lower forming groove is provided with a plurality of movable holes penetrating to the bottom of the lower mold, and movable rods penetrate into the movable holes, and the movable rods are movably connected to the lower mold through the movable holes.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model connects the push plate and the ejector plate through a movable rod, and the movable rod and the lower mold can be moved through the movable hole. As the lower mold moves downward, the bottom of the push plate abuts against the top of the bottom plate, and the molded part is ejected from the lower molding groove through the ejector plate. The ejector plate is the bottom surface of the lower molding groove, which can prevent the pressure of the ejector plate from deforming the molded part, thereby improving the injection molding quality of the molding device and improving the practicality of the molding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without inventive effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] Figure 2 This is a schematic diagram of the internal structure of the lower mold of the present invention.

[0021] Figure 3 It is a cross-sectional view of the present utility model.

[0022] In the figure: 1. Base plate; 101. Support rod; 2. Upper mold; 201. Upper molding groove; 202. Injection pipe; 203. Mounting block; 204. Hydraulic cylinder; 205. Connecting block; 3. Lower mold; 301. Lower molding groove; 302. Ejector plate; 303. Movable rod; 304. Push plate; 305. Spring. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-3 The utility model provides an embodiment of an injection molding device that is convenient for taking out parts: an injection molding device that is convenient for taking out parts, including a base plate 1, an upper mold 2 located above the top of the base plate 1, and a lower mold 3 located between the upper mold 2 and the base plate 1. The base plate 1 includes: support rods 101 arranged at the four corners of the top of the base plate 1, and an upper molding groove 201 is provided at the bottom end of the upper mold 2.

[0028] Please refer to Figure 1 and Figure 3 An injection pipe 202 is provided at the middle position of the top of the upper mold 2 to facilitate the injection of raw materials into the molding device. Mounting blocks 203 are provided at the middle position of the bottom of both sides of the upper mold 2. Hydraulic cylinders 204 are provided on the top of the two sets of mounting blocks 203. Connecting blocks 205 are provided at the middle position of the top of both sides of the lower mold 3. The hydraulic cylinders 204 can drive the lower mold 3 to be adjusted up and down.

[0029] Please refer to Figure 1 and Figure 2 The top of the lower mold 3 is provided with a lower molding groove 301, and the interior of the lower molding groove 301 is provided with an ejector plate 302. The bottom of the ejector plate 302 is provided with multiple groups of movable rods 303 that penetrate into the bottom of the lower mold 3. The bottom of the movable rod 303 is provided with a push plate 304. The ejector plate 302 and the push plate 304 are fixed by the movable rod 303. A spring 305 is provided on the outside of the movable rod 303 near one end of the push plate 304. The spring 305 facilitates the resetting of the ejector plate 302, so that the use effect of the molding device is better.

[0030] Please refer to Figure 1 and Figure 3 The bottom end of the support rod 101 is welded to the top of the bottom plate 1, and the top of the support rod 101 is welded to the bottom end of the upper mold 2. The upper mold 2 is fixedly connected to the bottom plate 1 through the support rod 101. The upper mold 2 and the bottom plate 1 are fixed by the support rod 101. A connecting flange is provided at the top of the injection pipe 202. Both sets of mounting blocks 203 are welded to the upper mold 2. The hydraulic cylinder 204 is fixedly connected to the mounting block 203 by fixing bolts. The hydraulic cylinder 204 is fixedly mounted on the top of the mounting block 203. Both sets of connecting blocks 205 are connected to the lower mold 3 are welded together, and the tops of the two groups of connecting blocks 205 are both provided with mounting grooves. The telescopic end of the hydraulic cylinder 204 is detachably connected to the connecting block 205 through the mounting grooves, so that the telescopic end of the hydraulic cylinder 204 is connected to the connecting block 205, which is convenient for driving the lower mold 3 to adjust up and down. Sliding holes are provided at the four corners of the lower mold 3, and the support rod 101 passes through the sliding holes. The lower mold 3 is slidably connected to the support rod 101 through the sliding holes. The lower mold 3 and the support rod 101 can be moved through the sliding holes, so that the up and down adjustment of the lower mold 3 is more stable.

[0031] Please refer to Figure 1 and Figure 2 The top of the movable rod 303 is welded to the bottom of the ejector plate 302, and the bottom of the movable rod 303 is welded to the bottom of the push plate 304. The number of push plates 304 is set to five groups. The five groups of movable rods 303 make the force on the ejector plate 302 more uniform. The ejector plate 302 is fixedly connected to the push plate 304 through the movable rod 303. The ejector plate 302 and the push plate 304 are fixed by the movable rod 303. The ejector plate 302 is movably connected to the lower mold 3 through the lower molding groove 301. 301 can make the ejection plate 302 and the lower mold 3 move. The interior of the lower molding groove 301 is provided with multiple groups of movable holes that penetrate to the bottom of the lower mold 3, and the movable rod 303 penetrates into the movable holes. The movable rod 303 is movably connected with the lower mold 3 through the movable holes. The movable rod 303 can be moved with the lower mold 3 through the movable holes, which is convenient for ejecting the molded part from the lower molding groove 301. The top of the lower mold 3 and the bottom of the upper mold 2 are both provided with sealing gaskets, so that the lower mold 3 and the upper mold 2 are sealed.

[0032] Working principle: Before use, the present invention is to fix the injection molding device and connect the injection equipment to the injection pipe 202. When in use, turn on the power, connect the telescopic end of the hydraulic cylinder 204 to the connecting block 205 through the installation slot, and the lower mold 3 can be driven up and down by the hydraulic cylinder 203. The lower mold 3 and the support rod 101 can be moved through the sliding hole to make the adjustment of the lower mold 3 more stable, so that the upper molding groove 201 and the lower molding groove 301 are spliced ​​together. The automobile parts can be injection molded through the upper molding groove 201 and the lower molding groove 301. After injection molding, the lower mold 3 is driven downward by the hydraulic cylinder 204, and the lower mold 3 is moved upward by the sliding hole. The push plate 304 is connected to the ejector plate 302 through the movable rod 303, and the movable rod 303 and the lower mold 3 can be moved through the movable hole. As the lower mold 3 moves downward, the bottom of the push plate 304 is against the top of the bottom plate 1, and the molded part is ejected from the lower molding groove 301 through the ejector plate 302. The ejector plate 302 is the bottom surface of the lower molding groove 301, which can avoid the pressure of the ejector plate 302 on the molded part to deform, thereby making the injection molding quality of the molding device higher and improving the practicality of the molding device. An elastic force is applied to the push plate 304 by the spring 305, which facilitates the resetting of the ejector plate 302, thereby making the use effect of the molding device better.

[0033] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.

Claims

1. An injection molding device that is convenient for taking out parts, characterized by: The invention comprises a bottom plate (1), an upper mold (2) located above the top of the bottom plate (1), and a lower mold (3) located between the upper mold (2) and the bottom plate (1), wherein the bottom plate (1) comprises: Support rods (101) are arranged at the four corners of the top of the bottom plate (1), and an upper molding groove (201) is provided at the bottom end inside the upper mold (2); A material injection pipe (202) is provided at the middle position of the top of the upper mold (2), mounting blocks (203) are provided at the middle positions of the bottoms of both sides of the upper mold (2), hydraulic cylinders (204) are provided at the tops of the two groups of mounting blocks (203), and connecting blocks (205) are provided at the middle positions of the tops of both sides of the lower mold (3); A lower molding groove (301) is provided at the top end of the lower mold (3), an ejection plate (302) is provided inside the lower molding groove (301), a plurality of movable rods (303) extending through the bottom of the lower mold (3) are provided at the bottom of the ejection plate (302), a push plate (304) is provided at the bottom of the movable rod (303), and a spring (305) is provided on the outer side of one end of the movable rod (303) close to the push plate (304).

2. The injection molding device for facilitating part removal according to claim 1, characterized in that: The bottom end of the support rod (101) is welded to the top end of the base plate (1), the top end of the support rod (101) is welded to the bottom end of the upper mold (2), and the upper mold (2) is fixedly connected to the base plate (1) via the support rod (101).

3. The injection molding device for facilitating part removal according to claim 1, characterized in that: The top end of the injection pipe (202) is provided with a connecting flange, the two sets of mounting blocks (203) are both welded to the upper mold (2), and the hydraulic cylinder (204) is fixedly connected to the mounting block (203) via fixing bolts.

4. The injection molding device for facilitating part removal according to claim 1, characterized in that: The two groups of connecting blocks (205) are both welded to the lower mold (3), and the tops of the two groups of connecting blocks (205) are both provided with mounting grooves, and the telescopic ends of the hydraulic cylinders (204) are detachably connected to the connecting blocks (205) through the mounting grooves.

5. The injection molding device for facilitating part removal according to claim 1, characterized in that: Sliding holes are provided at the four corners inside the lower mold (3), and the support rod (101) passes through the sliding holes. The lower mold (3) is slidably connected to the support rod (101) through the sliding holes.

6. The injection molding device for facilitating part removal according to claim 1, characterized in that: The top end of the movable rod (303) is welded to the bottom end of the ejection plate (302), and the bottom end of the movable rod (303) is welded to the bottom end of the push plate (304). The number of the push plates (304) is set to five groups.

7. The injection molding device for facilitating part removal according to claim 1, characterized in that: The ejection plate (302) is fixedly connected to the push plate (304) via a movable rod (303), and the ejection plate (302) is movably connected to the lower mold (3) via a lower molding groove (301).

8. The injection molding device for facilitating part removal according to claim 1, characterized in that: The lower forming groove (301) is provided with a plurality of movable holes extending to the bottom of the lower mold (3), and movable rods (303) extend through the movable holes. The movable rods (303) are movably connected to the lower mold (3) through the movable holes.

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