Injection molding device for automobile parts

Abstract

The utility model relates to the technical field of automobile parts, in particular to an injection molding device for automobile parts. The lower mold is arranged on the outer side of the top end of the base; the upper mold is arranged on the outer side of the top end of the lower mold and is connected with the base through an electric push rod; the material pushing assembly is connected with the shell wall of the bottom end of the lower mold in a clamped mode; the limiting drive control mechanism is connected with the base and used for being matched with the base to complete limiting and fixing of the lower die and being matched with the pushing assembly to complete automatic ejection of a formed part located on the inner side of the lower die; wherein the limiting drive control mechanism comprises a control assembly, a clamping assembly and an ejection assembly, by arranging the limiting drive control mechanism and cooperating with the material pushing assembly, automatic ejection of a formed part can be completed after injection molding of a part, separation of the formed part and the inner wall of the lower mold is achieved, demolding of workers is facilitated, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to an injection molding device for automobile parts. Background Art

[0002] Auto parts refer to the various components that make up a vehicle and the various products used to service it. These parts include engine components, transmission components, brake components, steering components, driving system components, electrical instrument components, and body components. To improve production efficiency, existing auto parts are typically manufactured through injection molding.

[0003] During use, the existing automobile parts injection molding device is prone to adhesion of the parts to the inner wall of the molding cavity after injection molding, which makes it inconvenient for workers to demold. Therefore, in view of the above situation, there is an urgent need to develop an automobile parts injection molding device to overcome the shortcomings in current practical applications. Utility Model Content

[0004] The purpose of the present utility model is to provide an injection molding device for automobile parts to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The cam is connected to the bottom of the mold base and the top of the mold base is connected to the bottom of the mold base by an electric push rod, and the push rod is connected to the bottom of the mold base by an electric push rod.

[0007] As a further solution of the present invention: the control assembly includes: a motor, a drive rod, a slide and a first piston member. The motor is fixedly connected to the inner side of the base, the output end of the motor is fixedly connected to the drive rod, and the outer sides of both ends of the drive rod are threadedly connected with a slide. The slide is slidably connected to the inner wall of the base, the slide is connected to the clamping assembly, and the outer side is fixedly connected with the first piston member arranged opposite to the ejection assembly.

[0008] As a further solution of the present invention: the clamping assembly includes: a clamping plate and a locking block, the clamping plates are symmetrically arranged on both sides of the lower mold, slidingly connected to the top shell wall of the base, and the sliding connection is arranged on the outside of the slide, and a number of springs are fixedly connected between the clamping plate and the slide, and a locking block is fixedly connected to the outside of one end of the clamping plate close to the lower mold, which is clamped with the clamping groove arranged on the outer wall of the lower mold.

[0009] As a further solution of the present utility model: the ejection assembly includes: a transmission box, a transmission chamber, a piston tube, a support tube, a support plate, a second piston member and a lifting frame. The transmission box is arranged between the slide seats on both sides and is fixedly connected to the base. The transmission chamber is symmetrically arranged on the inner side of the transmission box. Several piston tubes arranged opposite to the first piston member are fixedly connected on the box walls on both sides of the transmission box. The piston tubes are connected to the transmission chamber. Support tubes connected to the transmission chamber are also rotatably connected on the box walls on both sides of the transmission box. A support plate is fixedly connected to the outside of the support tube, and a piston groove is provided on the inside of the support plate. A vent connected to the piston groove is provided on the tube wall of the support tube. The second piston member is slidably connected to the inside of the piston groove. The other end of the second piston member is rotatably connected to the lifting frame arranged on the outside of the bottom end of the pusher assembly, and the lifting frame is slidably connected to the inner wall of the base.

[0010] As a further solution of the present invention: the pushing assembly includes: a ejector plate, a slide rod and a baffle plate, the ejector plate is clamped on the inner wall of the bottom end of the lower mold, the outer side of the bottom end of the ejector plate is fixedly connected with a slide rod, the slide rod is slidably connected to the shell wall of the lower mold, the outer side of the bottom end of the slide rod is fixedly connected with a baffle plate, the baffle plate is arranged opposite to the lifting frame, and a spring is fixedly connected between the baffle plate and the lower mold.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The lower mold is placed on the base, and the clamping assembly of the control assembly clamps and locks the lower mold. The lower mold cooperates with the upper mold to complete the injection molding of automobile parts. After the parts are formed, the electric push rod drives the upper mold to move upward and separate from the lower mold. The control assembly is running, and the control assembly can cooperate with the ejection assembly to drive the pushing assembly. The pushing assembly ejects the molded part located on the inner side of the lower mold. This application sets a limit drive control mechanism and cooperates with the pushing assembly to complete the automatic ejection of the molded part after the injection molding of the part, realize the separation of the molded part and the inner wall of the lower mold, facilitates the demoulding of the staff, and greatly improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the injection molding device for automobile parts.

[0014] Figure 2 This is a cross-sectional view of an injection molding device for automotive parts.

[0015] Figure 3 This is a schematic diagram of the structure of the clamping assembly in the injection molding device of automobile parts.

[0016] Figure 4 This is a schematic diagram of the structure of the ejector assembly in the injection molding device of automobile parts.

[0017] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1. Base; 2. Upper mold; 3. Electric push rod; 4. Clamping plate; 5. Locking block; 6. Ejector plate; 7. Slide rod; 8. Baffle plate; 9. Motor; 10. Drive rod; 11. Slide seat; 12. First piston member; 13. Transmission box; 14. Transmission chamber; 15. Piston tube; 16. Support tube; 17. Support plate; 18. Lower mold; 19. Second piston member; 20. Lifting frame; 21. Piston groove; 22. Vent hole. DETAILED DESCRIPTION

[0019] The technical solution of this application is further described in detail below in conjunction with specific implementation methods.

[0020] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0021] See also Figure 1 and Figure 2 In one embodiment of the present invention, an injection molding device for automobile parts includes: a base 1; a lower mold 18, wherein the lower mold 18 is arranged on the outer side of the top end of the base 1; an upper mold 2, wherein the upper mold 2 is arranged on the outer side of the top end of the lower mold 18 and is connected to the base 1 through an electric push rod 3; a pushing assembly, wherein the pushing assembly is clamped with the bottom shell wall of the lower mold 18; a position limiting drive control mechanism, wherein the position limiting drive control mechanism is connected to the base 1 and is used to cooperate with the base 1 to complete the position limiting and fixing of the lower mold 18 and cooperate with the pushing assembly to complete the automatic ejection of the molded part located inside the lower mold 18; wherein the position limiting drive control mechanism includes: a control assembly, a clamping assembly and an ejection assembly, wherein the control assembly is fixedly connected to the inner side of the base 1, and the control assembly is connected to the clamping assembly symmetrically arranged on the outer side of the lower mold 18, and is used to cooperate with the control assembly to realize the position limiting and fixing of the upper and lower molds 18 located on the base 1; an ejection assembly connected to the base 1 is provided between the control assembly and the pushing assembly, and is used to cooperate with the ejection assembly to drive the pushing assembly to realize the automatic ejection of the molded part located inside the lower mold 18.

[0022] In this embodiment, the lower mold 18 is placed on the base 1, and the clamping assembly of the control assembly clamps and locks the lower mold 18. The lower mold 18 cooperates with the upper mold 2 to complete the injection molding of automobile parts. After the parts are formed, the electric push rod 3 drives the upper mold 2 to move upward and separate from the lower mold 18. The control assembly is running, and the control assembly can cooperate with the ejection assembly to drive the pushing assembly. The pushing assembly ejects the molded part located on the inner side of the lower mold 18. This application sets a limit drive control mechanism and cooperates with the pushing assembly to complete the automatic ejection of the molded part after the injection molding of the part, thereby realizing the separation of the molded part from the inner wall of the lower mold 18, facilitating the demoulding of the staff and greatly improving the production efficiency.

[0023] In one embodiment of the present invention, please refer to Figure 2 and Figure 3 The control component includes: a motor 9, a drive rod 10, a slide 11 and a first piston member 12. The motor 9 is fixedly connected to the inner side of the base 1, and the output end of the motor 9 is fixedly connected to the drive rod 10. The outer sides of both ends of the drive rod 10 are threadedly connected with a slide 11. The slide 11 is slidably connected to the inner wall of the base 1. The slide 11 is connected to the clamping component, and the outer side is fixedly connected with the first piston member 12 arranged opposite to the ejection component.

[0024] In this embodiment, the driving rod 10 is a bidirectional threaded rod. The motor 9 drives the driving rod 10 to rotate. The driving rod 10 can drive the slides 11 on both sides to move in opposite directions. The slides 11 drive the clamping assembly to clamp and lock the lower mold 18 located on the base 1. In addition, the first piston member 12 includes a first push rod fixedly connected to the outer side of the slide 11 and a first piston fixedly connected to the first push rod. The first piston is arranged opposite to the piston tube 15 inside the ejection assembly. By continuing to rotate the driving rod 10, the driving rod 10 can drive the slide 11 to continue to move. The slide 11 drives the first piston to enter the inner side of the ejection assembly through the first push rod, and the ejection assembly is used to complete the driving of the pusher assembly. By setting the control assembly, not only the driving of the clamping assembly can be completed, but also the driving of the ejection assembly can be completed, which ensures the stability of the lower mold 18 during operation and the stability of the lower mold 18 during demoulding. It is also convenient for people to demould, which greatly improves the convenience of the equipment when in use.

[0025] In one embodiment of the present invention, please refer to Figure 2 and Figure 3The clamping assembly includes: a clamping plate 4 and a locking block 5. The clamping plates 4 are symmetrically arranged on both sides of the lower mold 18, and are slidingly connected to the top shell wall of the base 1, and the sliding connection is arranged on the outside of the slide 11. A number of springs are fixedly connected between the clamping plate 4 and the slide 11. A locking block 5 is fixedly connected to the outside of one end of the clamping plate 4 close to the lower mold 18, and is clamped with a clamping groove arranged on the outer wall of the lower mold 18.

[0026] In this embodiment, the slide 11 can drive the clamping plate 4 to move synchronously through the spring, and the clamping plate 4 drives the locking block 5 to clamp into the inner side of the clamping groove. The clamping plates 4 on both sides are used to complete the horizontal fixation of the lower mold 18, and the locking block 5 can lock the lower mold 18 longitudinally, ensuring the stability and reliability of the lower mold 18 during use. When the first piston drives the ejection assembly, the spring located between the clamping plate 4 and the slide 11 is stretched, so that the ejection assembly can be stably driven.

[0027] In one embodiment of the present invention, please refer to Figure 2 and Figure 4 The ejection assembly includes: a transmission box 13, a transmission chamber 14, a piston tube 15, a support tube 16, a support plate 17, a second piston member 19 and a lifting frame 20. The transmission box 13 is arranged between the slides 11 on both sides and is fixedly connected to the base 1. A transmission chamber 14 is symmetrically provided on the inner side of the transmission box 13. Several piston tubes 15 arranged opposite to the first piston member 12 are fixedly connected on the box walls on both sides of the transmission box 13. The piston tubes 15 are connected to the transmission chamber 14. Support tubes 16 connected to the transmission chamber 14 are also rotatably connected on the box walls on both sides of the transmission box 13. A support plate 17 is fixedly connected to the outside of the support tube 16. A piston groove 21 is provided on the inside of the support plate 17. A vent 22 connected to the piston groove 21 is provided on the wall of the support tube 16. The second piston member 19 is slidably connected to the inside of the piston groove 21. The other end of the second piston member 19 is rotatably connected to the lifting frame 20 arranged on the outside of the bottom end of the pusher assembly, and the lifting frame 20 is slidably connected to the inner wall of the base 1.

[0028] In this embodiment, the second piston member 19 includes a second piston slidably connected to the inner side of the piston groove 21 and a second push rod fixedly connected to the second piston. The other end of the second push rod is rotatably connected to the lifting frame 20. The first piston enters the inner side of the piston tube 15, drives the air inside the transmission chamber 14 to enter the inner side of the support tube 16, and enters the inner side of the piston groove 21 along the vent hole 22, thereby realizing the movement of the second piston inside the piston groove 21. The second piston cooperates with the second push rod to drive the lifting frame 20 to move upward. The lifting frame 20 cooperates with the pushing assembly to eject the molded part located inside the lower mold 18. By setting up the ejection assembly, the molded part can be automatically ejected after the injection molding of the part, thereby realizing the separation of the molded part from the inner wall of the lower mold 18, facilitating the demoulding of the staff, and greatly improving the production efficiency.

[0029] In one embodiment of the present invention, please refer to Figure 2 The pushing assembly includes: a ejector plate 6, a slide rod 7 and a baffle 8. The ejector plate 6 is clamped on the inner wall of the bottom end of the lower mold 18. The outer side of the bottom end of the ejector plate 6 is fixedly connected with a slide rod 7. The slide rod 7 is slidably connected to the shell wall of the lower mold 18. The outer side of the bottom end of the slide rod 7 is fixedly connected with a baffle 8. The baffle 8 is arranged opposite to the lifting frame 20. A spring is fixedly connected between the baffle 8 and the lower mold 18.

[0030] In this embodiment, when the lifting frame 20 moves upward, the lifting frame 20 abuts against the baffle plate 8, driving the baffle plate 8 to move upward synchronously. The baffle plate 8 drives the ejection plate 6 to move upward synchronously through the slide rod 7, ejecting the molded part located on the inner side of the lower mold 18. The lower mold 18 is fixed by the locking block 5 to realize automatic separation of the lower mold 18 and the molded part. After the separation and material removal are completed, the lifting frame 20 is reset, and the spring arranged between the baffle plate 8 and the lower mold 18 realizes the reset of the ejection plate 6.

[0031] In the injection molding device for automobile parts, the lower mold 18 is placed on the base 1, the motor 9 drives the driving rod 10 to rotate, and the driving rod 10 can drive the slides 11 on both sides to move in opposite directions. The slides 11 drive the clamping plates 4 to move synchronously through the springs, and the clamping plates 4 drive the locking blocks 5 to snap into the inner sides of the clamping grooves. The clamping plates 4 on both sides are used to complete the horizontal fixation of the lower mold 18, and the locking blocks 5 can lock the lower mold 18 longitudinally. The lower mold 18 cooperates with the upper mold 2 to complete the injection molding of the automobile parts. After the parts are formed, the electric push rod 3 drives the upper mold 2 to move upward and separate from the lower mold 18. The slide 11 drives the first piston into the active cavity under the control of the driving rod 10. The inside of the plug tube 15 drives the air inside the transmission chamber 14 to enter the inside of the support tube 16, and enters the inside of the piston groove 21 along the vent hole 22, realizing the movement of the second piston inside the piston groove 21, and the second piston cooperates with the second push rod to drive the lifting frame 20 to move upward, and the lifting frame 20 abuts against the baffle 8, driving the baffle 8 to move upward synchronously, and the baffle 8 drives the ejection plate 6 to move upward synchronously through the slide rod 7, ejecting the molded part located inside the lower mold 18, and the lower mold 18 is fixed by the locking block 5 to realize automatic separation of the lower mold 18 and the molded part. After the separation and material removal is completed, the lifting frame 20 is reset, and the spring arranged between the baffle 8 and the lower mold 18 realizes the reset of the ejection plate 6.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An injection molding device for automobile parts, characterized in that: include: base; A lower mold, the lower mold being arranged on the outer side of the top end of the base; An upper mold, which is arranged on the outside of the top of the lower mold and is connected to the base through an electric push rod; A pusher assembly, the pusher assembly being engaged with the bottom shell wall of the lower mold; A position limiting drive control mechanism is connected to the base and is used to cooperate with the base to complete the position limiting fixation of the lower mold and cooperate with the ejector assembly to complete the automatic ejection of the molded part located inside the lower mold; Among them, the limit drive control mechanism includes: a control component, a clamping component and an ejection component. The control component is fixedly connected and arranged on the inner side of the base. The control component is connected to the clamping component symmetrically arranged on the outer side of the lower mold, and is used to cooperate with the control component to realize the limit fixation of the upper and lower molds located on the base. An ejection component connected to the base is arranged between the control component and the pushing component, and is used to cooperate with the ejection component to drive the pushing component to realize the automatic ejection of the molded part located on the inner side of the lower mold.

2. The automobile parts injection molding device according to claim 1, characterized in that: The control assembly includes: a motor, a drive rod, a slide and a first piston member. The motor is fixedly connected to the inner side of the base, the output end of the motor is fixedly connected to the drive rod, the outer sides of both ends of the drive rod are threadedly connected with slides, the slide is slidably connected to the inner wall of the base, the slide is connected to the clamping assembly, and the outer side is fixedly connected with the first piston member arranged opposite to the ejection assembly.

3. The automobile parts injection molding device according to claim 2, characterized in that: The clamping assembly includes: a clamping plate and a locking block. The clamping plates are symmetrically arranged on both sides of the lower mold, slidingly connected to the top shell wall of the base, and the sliding connection is arranged on the outside of the slide. A number of springs are fixedly connected between the clamping plate and the slide. A locking block is fixedly connected to the outside of one end of the clamping plate close to the lower mold, and is clamped with a clamping groove arranged on the outer wall of the lower mold.

4. The automobile parts injection molding device according to claim 3, characterized in that: The ejection assembly includes: a transmission box, a transmission chamber, a piston tube, a support tube, a support plate, a second piston member and a lifting frame. The transmission box is arranged between the slide seats on both sides and is fixedly connected to the base. A transmission chamber is symmetrically arranged on the inner side of the transmission box. Several piston tubes arranged opposite to the first piston member are fixedly connected on the box walls on both sides of the transmission box. The piston tubes are connected to the transmission chamber. Support tubes connected to the transmission chamber are also rotatably connected on the box walls on both sides of the transmission box. A support plate is fixedly connected to the outside of the support tube, a piston groove is provided on the inside of the support plate, and a vent connected to the piston groove is provided on the tube wall of the support tube. The second piston member is slidably connected to the inside of the piston groove. The other end of the second piston member is rotatably connected to the lifting frame arranged on the outside of the bottom end of the pusher assembly, and the lifting frame is slidably connected to the inner wall of the base.

5. The automobile parts injection molding device according to claim 4, characterized in that: The pushing assembly includes: a ejector plate, a slide rod and a baffle plate. The ejector plate is clamped on the inner wall of the bottom end of the lower mold. The outer side of the bottom end of the ejector plate is fixedly connected with a slide rod. The slide rod is slidably connected to the shell wall of the lower mold. The outer side of the bottom end of the slide rod is fixedly connected with a baffle plate. The baffle plate is arranged opposite to the lifting frame, and a spring is fixedly connected between the baffle plate and the lower mold.

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