Injection mold for automobile knob

Abstract

The utility model relates to the technical field of automobile part production, and discloses an automobile knob injection mold which comprises an injection molding workbench, a knob mold I and a knob mold II, the knob mold I and the knob mold II are both arranged at the top of the injection molding workbench, and the adjacent sides of the knob mold I and the knob mold II are movably connected. An efficient demolding mechanism is arranged at the bottom of the injection molding workbench, an automatic mold splitting mechanism is arranged at the top of the injection molding workbench, the efficient demolding mechanism comprises a material receiving frame, and the material receiving frame is fixedly installed at the bottom of the injection molding workbench. Through the design of the vibration motor, after the vibration motor works, the whole injection molding workbench can be driven by transmission of the material receiving frame to vibrate, the first knob mold and the second knob mold are synchronously promoted to vibrate, then finished knobs in mold cavities of the first knob mold and the second knob mold are demolded under the action of vibration force, and the efficient demolding function is achieved; the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories production, in particular to an injection mold for an automobile knob. Background Art

[0002] Injection molds are tools used in the plastic processing industry to match plastic molding machines and give plastic products a complete configuration and precise size. Due to the wide variety of plastics and processing methods, the varying structures of plastic molding machines and plastic products, the types and structures of plastic molds are also diverse. Injection molds are used in the production process of car knobs.

[0003] A Chinese patent discloses a knob injection mold that is easy to disassemble, with the publication number CN216732710U. The technical solution disclosed in the patent document is as follows: it includes an upper mold, an upper mold, a lower mold, and a lower mold. The upper mold is fixedly connected to the top of the upper mold, the lower mold is fixedly connected to the top of the lower mold, a positioning ring is provided on the top of the upper mold, and a locking mechanism is provided above the lower mold. The locking mechanism includes a first bolt, and the first bolt is fixedly connected to the top of the lower mold.

[0004] In order to solve the problem that the existing mold does not have a position to cooperate with the hook of the crane, the existing technology adopts a method of designing structures such as ear grooves, but it is still not convenient for users to demold the finished knobs. After the production of this structure is completed, some knobs will be stuck inside the mold cavity. Users need to demold the knobs one by one, which affects the production efficiency. Utility Model Content

[0005] The utility model aims to provide an injection mold for an automobile knob, so as to solve the problem of low efficiency in demoulding a finished knob in the prior art.

[0006] The utility model provides the following technical solution: an injection mold for an automobile knob, comprising an injection molding workbench, a knob mold 1 and a knob mold 2, wherein the knob mold 1 and the knob mold 2 are both arranged on the top of the injection molding workbench, the adjacent sides of the knob mold 1 and the knob mold 2 are movably connected, an efficient demoulding mechanism is arranged at the bottom of the injection molding workbench, and an automatic mold separation mechanism is arranged at the top of the injection molding workbench.

[0007] The efficient demoulding mechanism includes a material receiving frame, which is fixedly installed on the bottom of the injection molding workbench, a rubber inner frame is fixedly connected to the inner wall of the material receiving frame, a rotating shaft located below the rubber inner frame is rotatably connected to the inner wall of the material receiving frame, a vibration motor is fixedly installed on the back of the material receiving frame, an extension frame is fixedly connected to the front of the material receiving frame, an elastic rubber column is fixedly connected to the outer wall of the rotating shaft, an end of the elastic rubber column away from the outer wall of the rotating shaft is fixedly connected to a rubber sleeve, a through hole is opened on the side of the rubber sleeve, and the vibration motor can drive the knob mold 1 and the knob mold 2 to vibrate, thereby realizing the function of vibration demoulding.

[0008] As a preferred embodiment of the above technical solution, the high-efficiency demolding mechanism also includes an iron support table, an air spring is fixedly installed on the top of the iron support table, a receiving table is fixedly installed on the top of the air spring, the top of the receiving table is fixedly connected to the bottom of the injection molding workbench, and the air spring can enhance the vibration effect of the vibration motor driving the knob mold 1 and the knob mold 2.

[0009] As a preferred embodiment of the above technical solution, an extension column is fixedly installed on the bottom of the receiving platform, and an electromagnet is fixedly installed on the bottom of the extension column. The bottom of the electromagnet is movably connected to the top of the iron support platform. The electromagnet can be magnetically connected to the iron support platform after being energized, so that the iron support platform and the receiving platform are firmly connected through the extension column and the electromagnet, which is convenient for the use of the top assembly of the injection molding workbench.

[0010] As a preferred embodiment of the above technical solution, the automatic mold parting mechanism includes a fixed base plate and a left fixed base, the fixed base plate is fixedly installed on the top of the injection molding workbench, and the knob mold 1 is detachably connected to the left side of the fixed base plate. Through the connection relationship design between the fixed base plate and the knob mold 1, the user can disassemble and maintain the knob mold 1.

[0011] As a preferred embodiment of the above technical solution, the left fixed base is fixedly installed on the top of the injection molding workbench, the right side of the left fixed base is fixedly connected to a cross bar, the right side of the cross bar is fixedly connected to a right fixed base, and the right fixed base is fixedly installed on the top of the injection molding workbench.

[0012] As a preferred embodiment of the above technical solution, a sliding bar seat is slidably connected to the outer wall of the cross bar, a servo motor is fixedly installed on the left side of the left fixed base, a screw rod is rotatably connected to the right side of the left fixed base, the right end of the screw rod is rotatably connected to the left side of the right fixed base, the sliding bar seat is slidably connected to the outer wall of the screw rod, the output shaft of the servo motor is fixedly connected to the left end of the screw rod, the servo motor can drive the screw rod to rotate, prompting the knob mold 2 to move left and right, thereby realizing the function of mold closing or mold separation.

[0013] As a preferred embodiment of the above technical solution, a movable substrate is fixedly installed between the adjacent sides of the two sliding bar seats, and the knob mold 2 is detachably connected to the right side of the movable substrate. Through the connection relationship design between the movable substrate and the knob mold 2, the user can disassemble and maintain the knob mold 2.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model adopts the design of a vibration motor. After it works, the transmission of the material receiving frame can drive the injection molding workbench as a whole to vibrate, and synchronously cause the knob mold 1 and the knob mold 2 to vibrate, so that the finished knobs inside the mold cavities of the knob mold 1 and the knob mold 2 are demolded under the action of the vibration force, thereby realizing the function of efficient demolding and improving production efficiency. Moreover, the cooperation of the material receiving frame and the rotating shaft can receive the dropped knob, and the elastic rubber column and the rubber sleeve can both produce elastic deformation to provide buffering protection for the dropped knob, thereby avoiding the problem that the knob is easily damaged during the falling process, thereby improving the practicality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the material connection frame of the utility model;

[0018] Figure 3 It is a schematic diagram of the truncated structure of the rotating shaft of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the air spring of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the automatic mold separation mechanism of the utility model.

[0021] In the figure: 1. Injection molding workbench; 11. Knob mold 1; 12. Knob mold 2; 2. High-efficiency demoulding mechanism; 21. Material receiving frame; 211. Rubber inner frame; 212. Rotating shaft; 213. Vibration motor; 214. Extension frame; 215. Elastic rubber column; 216. Rubber sleeve; 217. Through hole; 22. Iron support platform; 23. Air spring; 24. Receiving platform; 25. Extension column; 26. Electromagnet; 3. Automatic mold separation mechanism; 31. Fixed base plate; 32. Left fixed base; 33. Right fixed base; 34. Cross bar; 35. Servo motor; 36. Screw rod; 37. Sliding bar seat; 38. Moving base plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] like Figure 1-3 As shown, the utility model provides a technical solution: an injection mold for an automobile knob, comprising an injection molding workbench 1, a knob mold 11 and a knob mold 2 12, the knob mold 11 and the knob mold 2 12 are both arranged on the top of the injection molding workbench 1, the knob mold 1 11 and the knob mold 2 12 are movably connected on adjacent sides, an efficient demoulding mechanism 2 is arranged at the bottom of the injection molding workbench 1, an automatic mold separation mechanism 3 is arranged at the top of the injection molding workbench 1, the efficient demoulding mechanism 2 comprises a material receiving frame 21, the material receiving frame 21 is fixedly installed at the bottom of the injection molding workbench 1, a rubber inner frame 211 is fixedly connected to the inner wall of the material receiving frame 21, a rotating shaft 212 located below the rubber inner frame 211 is rotatably connected to the inner wall of the material receiving frame 21, a vibration motor 213 is fixedly installed on the back of the material receiving frame 21, an extension frame 214 is fixedly connected to the front of the material receiving frame 21, and an elastic rubber is fixedly connected to the outer wall of the rotating shaft 212 Rubber column 215, one end of the elastic rubber column 215 away from the outer wall of the rotating shaft 212 is fixedly connected with a rubber sleeve 216, and a through hole 217 is opened on the side of the rubber sleeve 216. After the knob mold 11 and the knob mold 2 12 are separated, the vibration motor 213 is controlled to work, and the injection molding workbench 1 as a whole and the knob mold 11 and the knob mold 2 12 are driven to vibrate through the transmission of the material receiving frame 21, so that the finished knobs inside the mold cavities of the knob mold 11 and the knob mold 2 12 are demolded under the action of the vibration force, thereby improving the production efficiency. Through the cooperation of the material receiving frame 21 and the rotating shaft 212, the dropped knobs can be received, and the elastic rubber column 215 and the rubber sleeve 216 can both produce elastic deformation to buffer and protect the dropped knobs. The rotating shaft 212 is designed to be tilted as a whole, and the rotating shaft 212 is rotatably connected to the material receiving frame 21, so that the finished knobs are centrally guided to the extension frame 214.

[0024] As an implementation method in this embodiment, Figure 4 As shown, the efficient demoulding mechanism 2 also includes an iron support platform 22, an air spring 23 is fixedly installed on the top of the iron support platform 22, a receiving platform 24 is fixedly installed on the top of the air spring 23, the top of the receiving platform 24 is fixedly connected to the bottom of the injection molding workbench 1, an extension column 25 is fixedly installed on the bottom of the receiving platform 24, an electromagnet 26 is fixedly installed on the bottom of the extension column 25, and the bottom of the electromagnet 26 is movably connected to the top of the iron support platform 22. Through the design of the air spring 23, the receiving platform 24 and the injection molding workbench 1 are elastically connected to the top of the iron support platform 22 as a whole, so as to enhance the effect of the vibration motor 213 driving the knob mold 1 11 and the knob mold 2 12 to vibrate, and the electromagnet 26 is controlled to be energized so that it can be magnetically connected to the iron support platform 22, so as to enable the receiving platform 24 and the injection molding workbench 1 to be firmly connected to the top of the iron support platform 22 as a whole, so as to facilitate the smooth progress of other work.

[0025] As an implementation method in this embodiment, Figure 1 , Figure 4 As shown, the automatic mold separation mechanism 3 includes a fixed base plate 31 and a left fixed base 32, the fixed base plate 31 is fixedly installed on the top of the injection molding workbench 1, the knob mold 11 is detachably connected to the left side of the fixed base plate 31, the left fixed base 32 is fixedly installed on the top of the injection molding workbench 1, the right side of the left fixed base 32 is fixedly connected with a cross bar 34, the right side of the cross bar 34 is fixedly connected with a right fixed base 33, the right fixed base 33 is fixedly installed on the top of the injection molding workbench 1, the outer wall of the cross bar 34 is slidably connected with a sliding bar seat 37, the left side of the left fixed base 32 is fixedly installed with a servo motor 35, and the right side of the left fixed base 32 is rotatably connected with a wire Rod 36, the right end of the screw rod 36 is rotatably connected to the left side of the right fixed base 33, the sliding bar seat 37 is slidably connected to the outer wall of the screw rod 36, the output shaft of the servo motor 35 is fixedly connected to the left end of the screw rod 36, and a movable base plate 38 is fixedly installed between the adjacent sides of the two sliding bar seats 37. The knob mold 2 12 is detachably connected to the right side of the movable base plate 38, and the servo motor 35 is controlled to work, which can drive the screw rod 36 to rotate, so that the sliding bar seat 37 slides on the outer wall of the cross bar 34, prompting the knob mold 2 12 to move left and right, so as to realize automatic mold closing or mold separation of the knob mold 11 and the knob mold 2 12, thereby improving work efficiency.

[0026] Working principle: With the help of an external injection molding machine, injection molding is performed into the mold cavity of the knob mold 11 and the knob mold 2 12. After the material inside the mold cavity is cooled, the servo motor 35 is controlled to drive the screw 36 to rotate, causing the knob mold 2 12 and the movable substrate 38 to slide to the left, thereby realizing the mold separation function. Then, the vibration motor 213 is controlled to work, driving the injection molding workbench 1 as a whole and the knob mold 11 and the knob mold 2 12 to vibrate through the transmission of the material receiving frame 21, so that the finished knobs inside the mold cavities of the knob mold 11 and the knob mold 2 12 are demolded under the action of the vibration force, and the finished knobs are buffered and received by the material receiving frame 21 as a whole, and are concentratedly guided to the extension frame 214.

[0027] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An injection mold for an automobile knob, comprising an injection molding workbench (1), a knob mold 1 (11) and a knob mold 2 (12), characterized in that: The knob mold 1 (11) and the knob mold 2 (12) are both arranged on the top of the injection molding workbench (1); the adjacent sides of the knob mold 1 (11) and the knob mold 2 (12) are movably connected; the bottom of the injection molding workbench (1) is provided with a high-efficiency demoulding mechanism (2); and the top of the injection molding workbench (1) is provided with an automatic mold separation mechanism (3); The high-efficiency demoulding mechanism (2) comprises a material receiving frame (21), the material receiving frame (21) is fixedly mounted on the bottom of the injection molding workbench (1), a rubber inner frame (211) is fixedly connected to the inner wall of the material receiving frame (21), a rotating shaft (212) located below the rubber inner frame (211) is rotatably connected to the inner wall of the material receiving frame (21), a vibration motor (213) is fixedly mounted on the back of the material receiving frame (21), an extension frame (214) is fixedly connected to the front of the material receiving frame (21), an elastic rubber column (215) is fixedly connected to the outer wall of the rotating shaft (212), one end of the elastic rubber column (215) away from the outer wall of the rotating shaft (212) is fixedly connected to a rubber sleeve (216), and a through hole (217) is provided on the side of the rubber sleeve (216).

2. The injection mold for an automobile knob according to claim 1, characterized in that: The high-efficiency demoulding mechanism (2) further comprises an iron support platform (22), an air spring (23) being fixedly mounted on the top of the iron support platform (22), a receiving platform (24) being fixedly mounted on the top of the air spring (23), and a top of the receiving platform (24) being fixedly connected to a bottom of the injection molding workbench (1).

3. The injection mold for an automobile knob according to claim 2, characterized in that: An extension column (25) is fixedly mounted on the bottom of the receiving platform (24), an electromagnet (26) is fixedly mounted on the bottom of the extension column (25), and the bottom of the electromagnet (26) is movably connected to the top of the iron support platform (22).

4. The injection mold for an automobile knob according to claim 1, characterized in that: The automatic mold separation mechanism (3) comprises a fixed base plate (31) and a left fixed base (32); the fixed base plate (31) is fixedly mounted on the top of the injection molding workbench (1); and the knob mold 1 (11) is detachably connected to the left side of the fixed base plate (31).

5. The injection mold for an automobile knob according to claim 4, characterized in that: The left fixed base (32) is fixedly mounted on the top of the injection molding workbench (1); the right side of the left fixed base (32) is fixedly connected to a cross bar (34); the right side of the cross bar (34) is fixedly connected to a right fixed base (33); and the right fixed base (33) is fixedly mounted on the top of the injection molding workbench (1).

6. The injection mold for an automobile knob according to claim 5, characterized in that: A sliding bar seat (37) is slidably connected to the outer wall of the cross bar (34); a servo motor (35) is fixedly installed on the left side of the left fixed base (32); a screw rod (36) is rotatably connected to the right side of the left fixed base (32); the right end of the screw rod (36) is rotatably connected to the left side of the right fixed base (33); the sliding bar seat (37) is slidably connected to the outer wall of the screw rod (36); and the output shaft of the servo motor (35) is fixedly connected to the left end of the screw rod (36).

7. The injection mold for an automobile knob according to claim 6, characterized in that: A movable base plate (38) is fixedly mounted between adjacent sides of the two sliding bar seats (37), and the second knob mold (12) is detachably connected to the right side of the movable base plate (38).

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