Assembly type electronic cigarette shell mold

Abstract

The utility model relates to the technical field of assembly type molds, and discloses an assembly type electronic cigarette shell mold which comprises a base, a servo motor is connected with a two-way screw rod through a coupler, the two-way screw rod in the mold converts rotation motion of the servo motor into horizontal linear motion of a mold base, and the mold base is connected with the servo motor through a coupler. The ball nut reduces frictional resistance between the screw and the nut, the sliding groove provides linear guidance for movement of the die holder, the servo motor accurately controls the rotating speed and the rotating direction of the screw, and the coupler ensures power transmission coaxiality of the motor and the screw. According to the assembly type electronic cigarette shell mold, through linkage driving of the two-way screw and the servo motor, high-precision synchronous control over opening and closing of the mold base is achieved, the mold closing repeated positioning precision and the injection molding efficiency are greatly improved, meanwhile, the transmission friction loss is effectively reduced through cooperation of a ball nut and a sliding groove, and the service life of a core moving part is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly type mould relates to an assembly type electronic cigarette shell mould. BACKGROUND

[0002] As the core equipment in the field of precision injection molding, the electronic cigarette shell mould needs to meet the stringent requirements of high surface finish, complex buckle structure adaptability and size consistency, and its design needs to consider the assembly space of miniature electronic components, the aesthetics of multi-curved surface appearance and the sealing performance of tobacco oil and other special functions.

[0003] When forming such complex structures, the traditional mould often relies on multiple independent driving units to control the clamping and ejection actions step by step, resulting in a cumbersome operation process and insufficient synchronization accuracy, which requires frequent manual intervention to adjust the locking force and ejection stroke, not only reducing production efficiency, but also easily causing positioning deviation due to mechanical wear, resulting in product burrs or size out-of-tolerance. At the same time, the traditional demolding mechanism mostly uses single hydraulic ejection, which has problems such as delay in needle reset, spring fatigue fracture, etc., increasing the difficulty of mould maintenance and downtime loss, and is difficult to meet the market demand for rapid iteration of electronic cigarette shells. SUMMARY

[0004] (I) Technical problem solved

[0005] The utility model aims to provide an assembly type electronic cigarette shell mould to solve the problem of cumbersome operation process of the traditional electronic cigarette shell mould in the background art.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an assembly type electronic cigarette shell mould, which comprises a base, a sliding groove is fixedly arranged at the upper end of the base, a first mould seat is fixedly arranged at the upper end of the base, a second mould seat is fixedly arranged at the right side of the first mould seat, a bidirectional screw is fixedly arranged in the base, two ball nuts are sleeved on the bidirectional screw, the ball nuts are connected with the first mould seat and the second mould seat respectively, a servo motor is fixedly arranged at the left end of the base, and the servo motor and the bidirectional screw are connected through a shaft coupling. In this mould, the bidirectional screw converts the rotary motion of the servo motor into the horizontal linear motion of the mould seat, the ball nut reduces the friction resistance between the screw and the nut, the sliding groove provides linear guidance for the movement of the mould seat, the servo motor accurately controls the rotation speed and direction of the screw, and the shaft coupling ensures the coaxiality of power transmission between the motor and the screw.

[0008] Preferably, a sprue is fixedly arranged at the upper end of the first mould seat, and a main runner is fixedly arranged at the lower end of the sprue. The sprue guides the molten plastic into the main runner, and the main runner distributes the material to the sub-runner.

[0009] Preferably, the lower end of the main runner is fixedly provided with a runner, and the lower end of the runner is fixedly provided with a mold plate.

[0010] Preferably, the right end of the first mold base is fixedly provided with a guide rod, and the other end of the bidirectional screw rod away from the servo motor is fixedly provided with a shaft support.

[0011] Preferably, the right end of the second mold base is fixedly provided with a sleeve ring, and the right end of the sleeve ring is movably provided with a button.

[0012] Preferably, the left end of the button is movably provided with a ejector pin, and the other end of the ejector pin is close to the cavity plate of the second mold base.

[0013] Preferably, the inside of the sleeve ring is movably provided with a limiting plate, and the spring is arranged between the limiting plate and the button.

[0014] Compared with the prior art, the electronic cigarette shell mold has the advantages that:

[0015] 1. The assembly type electronic cigarette shell mold is driven by linkage of the bidirectional screw rod and the servo motor, high-precision synchronous control of mold base opening and closing is realized, mold repositioning precision and injection molding efficiency are greatly improved, transmission friction loss is effectively reduced by cooperation of the ball nut and the sliding groove, and the service life of core moving parts is prolonged.

[0016] 2. The assembly type electronic cigarette shell mold adopts spring reset and limiting plate cooperation, stroke is limited by the baffle structure in the sleeve ring during the ejector pin ejecting process, mold damage caused by excessive displacement of the ejector pin is avoided, mechanical linkage design of the button and the spring simplifies manual operation steps, ensures that demolding action is stable and reliable, and rebound is rapid. DETAILED DESCRIPTION

[0017] Figure 1 It is a three-dimensional structure schematic view of the assembly type electronic cigarette shell mold.

[0018] Figure 2 It is an opening and closing schematic view of the assembly type electronic cigarette shell mold.

[0019] Figure 3 It is a cross-sectional structure schematic view of the assembly type electronic cigarette shell mold.

[0020] Figure 4 It is partial structure schematic view of the utility model assembly type electronic cigarette shell mold;

[0021] Figure 5 It is partial structure schematic view of the utility model assembly type electronic cigarette shell mold; Figure 3 It is partial structure schematic view of the utility model assembly type electronic cigarette shell mold;

[0022] In the drawing: 1, base; 2, sliding groove; 3, first mold base; 4, second mold base; 5, bidirectional screw; 6, ball nut; 7, servo motor; 8, shaft coupling; 9, gate; 10, main runner; 11, sub runner; 12, mold plate; 13, guide rod; 14, shaft support; 15, collar; 16, button; 17, ejector pin; 18, limit plate; 19, spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of assembly type electronic cigarette shell mold, the assembly type electronic cigarette shell mold includes base 1, the upper end of base 1 is fixedly provided with sliding groove 2, the upper end of base 1 is fixedly provided with first mold base 3, the right side of first mold base 3 is fixedly provided with second mold base 4, the inside of base 1 is fixedly provided with bidirectional screw 5, two ball nuts 6 are sleeved in the upper portion of bidirectional screw 5, ball nut 6 is connected with first mold base 3 and second mold base 4 respectively, the left end of base 1 is fixedly provided with servo motor 7, and servo motor 7 is connected between bidirectional screw 5 by shaft coupling 8, base 1 provides overall support and installation reference for mold, sliding groove 2 is guided mold base horizontal displacement by linear track, first mold base 3 and second mold base 4 respectively bear forming mold plate and cavity plate, bidirectional screw 5 drives ball nut 6 at both ends to move reversely synchronously by forward and reverse rotation, ball nut 6 converts the rotation of screw into the linear opening and closing power of mold base, servo motor 7 outputs programmable rotational speed and torque to drive screw rotation, and shaft coupling 8 rigidly connects motor shaft and screw to ensure coaxiality of power transmission, and gate 9 is used as initial injection port of molten plastic.

[0025] The upper end of the first mold base 3 is fixedly provided with a gate 9, the lower end of the gate 9 is fixedly provided with a main runner 10, the lower end of the main runner 10 is fixedly provided with a sub-runner 11, the lower end of the sub-runner 11 is fixedly provided with a mold plate 12, the right end of the first mold base 3 is fixedly provided with a guide rod 13, the other end of the bidirectional screw rod 5 away from the servo motor 7 is fixedly provided with a shaft bracket 14, the main runner 10 divides the material from the gate 9 to the multiple sub-runners 11, the sub-runner 11 uniformly distributes the molten material to the forming area of the mold plate 12, the mold plate 12 shapes the product appearance characteristics through the cavity structure, the guide rod 13 is inserted into the guide hole of the second mold base 4 to ensure the parallel precision when the mold is closed, and the shaft bracket 14 fixes the end bearing of the bidirectional screw rod 5 to prevent rotation deviation.

[0026] The right end of the second mold base 4 is fixedly provided with a sleeve ring 15, the right end of the sleeve ring 15 is movably provided with a button 16, the left end of the button 16 is movably provided with a ejector pin 17, the other end of the ejector pin 17 is close to the cavity plate of the second mold base 4, the inside of the sleeve ring 15 is movably provided with a limit plate 18, the spring 19 is arranged between the limit plate 18 and the button 16, the inside of the sleeve ring 15 is provided with the limit plate 18 to form a mechanical limit structure of the button 16, the button 16 triggers the linear ejection action of the ejector pin 17 by pressing, the ejector pin 17 directly presses the molded part through the sleeve ring 15 to complete demolding, the limit plate 18 contacts the inner wall of the sleeve ring 15 to block the button 16 from excessive backtracking, and the spring 19 provides a reverse elastic force to make the button 16 automatically reset after the ejector pin 17 is ejected.

[0027] Working principle: The base 1 provides sliding guidance and mechanical support for the first mold base 3 and the second mold base 4 through the sliding groove 2, the bidirectional screw rod 5 is driven to rotate by the coupling 8 after the servo motor 7 is started, the two ball nuts 6 on the bidirectional screw rod 5 are synchronously moved in opposite directions, thereby respectively dragging the first mold base 3 and the second mold base 4 to open and close horizontally in the sliding groove 2 to complete mold closing or separation, the molten material is injected into the main runner 10 from the gate 9 during the injection molding process, is uniformly divided to the cavity of the mold plate 12 through the sub-runner 11 to complete molding, the guide rod 13 ensures that the second mold base 4 keeps parallel alignment with the first mold base 3 when moving, the shaft bracket 14 fixes one end of the bidirectional screw rod 5 away from the servo motor 7 to maintain rotation stability, the button 16 outside the sleeve ring 15 is pressed during demolding, the ejector pin 17 is pushed to move in the direction of the cavity plate of the second mold base 4 to eject the molded part, the spring 19 provides a rebound force to make the button 16 reset after the ejector pin 17 acts, the limit plate 18 limits the stroke of the button 16 through the baffle structure inside the sleeve ring 15, prevents the spring 19 from being excessively compressed or the ejector pin 17 from being out of the working position, and the whole process realizes efficient opening and closing of the mold and demolding through bidirectional screw rod 5 transmission, precise guidance and mechanical linkage.

[0028] Finally, it should be noted that the above is merely to illustrate the technical solutions of the present application, and is not a limitation on the scope of protection of the present application, and simple modifications or equivalent replacements of the technical solutions of the present application by those skilled in the art do not deviate from the essence and scope of the technical solutions of the present application.

Claims

1. A modular electronic cigarette shell mold comprising a base (1), characterized in that: The upper end of the base (1) is fixedly provided with a sliding groove (2), the upper end of the base (1) is fixedly provided with a first mold base (3), the right side of the first mold base (3) is fixedly provided with a second mold base (4), the inside of the base (1) is fixedly provided with a bidirectional screw rod (5), the upper end of the bidirectional screw rod (5) is sleeved with two ball nuts (6), the ball nuts (6) are connected with the first mold base (3) and the second mold base (4) respectively, the left end of the base (1) is fixedly provided with a servo motor (7), and the servo motor (7) is connected with the bidirectional screw rod (5) through a shaft coupling (8).

2. The assembled electronic cigarette shell mold of claim 1, wherein: The upper end of the first mold base (3) is fixedly provided with a sprue (9), and the lower end of the sprue (9) is fixedly provided with a main runner (10).

3. The assembled electronic cigarette shell mold of claim 2, wherein: The lower end of the main runner (10) is fixedly provided with a sub-runner (11), and the lower end of the sub-runner (11) is fixedly provided with a mold plate (12).

4. The assembled electronic cigarette shell mold of claim 1, wherein: The right end of the first mold base (3) is fixedly provided with a guide rod (13), and the other end of the bidirectional screw rod (5) away from the servo motor (7) is fixedly provided with a shaft support (14).

5. The assembled electronic cigarette shell mold of claim 1, wherein: The right end of the second mold base (4) is fixedly provided with a sleeve ring (15), and the right end of the sleeve ring (15) is movably provided with a button (16).

6. The assembled electronic cigarette shell mold of claim 5, wherein: The left end of the button (16) is movably provided with a thimble (17), and the other end of the thimble (17) is close to the cavity plate of the second mold base (4).

7. The assembled electronic cigarette shell mold of claim 5, wherein: The inside of the sleeve ring (15) is movably provided with a limiting plate (18), and a spring (19) is arranged between the limiting plate (18) and the button (16).

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