Capacitor switch injection mold structure

By designing the injection molding structure of the capacitor switch, adopting the injection molding shaping method of the sizing groove and ejector pin, and the demolding method of the lead screw and slider driving the demolding template, the problems of incomplete forming of capacitor switch and low demolding efficiency were solved, and a highly efficient injection molding and demolding process was achieved.

CN223750123UActive Publication Date: 2026-01-02SUZHOU PHENOLIC ELECTRONIC CO LTD
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Patent Information

Application Number
CN202423048825.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-01-02
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing injection molds have problems with size and shape mismatch in the production of capacitor switches, resulting in incomplete molding and low demolding efficiency, which affects product quality and production efficiency.

Method used

A capacitor-operated injection molding mold structure was designed, including a base, a demolding device, and a shaping device. The molding and shaping are achieved through the cooperation of the shaping groove and the ejector pin, and the demolding is achieved by using the lead screw and the slider to drive the demolding platen.

Benefits of technology

This technology enables efficient injection molding and rapid demolding of capacitive switches, improving product quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a capacitance switch injection mold structure, which relates to the technical field of injection molds, and comprises a base, a shaping device is arranged on the top surface of the base, the shaping device comprises an injection molding plate, one side of the injection molding plate is provided with an injection molding opening, and the other side of the injection molding plate is provided with a fixing device. Four connecting rods distributed in a rectangular array mode are fixedly connected to one side of the injection molding plate, the outer surfaces of the connecting rods are movably sleeved with positioning plates, the bottom faces of the positioning plates are fixedly connected with the base, the outer surfaces of the connecting rods are movably sleeved with demolding plates, and a first shaping groove is formed in the side, close to the demolding plates, of the injection molding plate; a second shaping groove is formed in the side, close to the injection molding plate, of the demolding plate, and four ejector rods distributed in an annular array mode are fixedly connected to the side, close to the demolding plate, of the positioning plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of capacitor switch injection mold structure. BACKGROUND

[0002] Injection mold is widely used in various industries, injection mold is a kind of tool for manufacturing plastic products, it is by the molten plastic injection into mold cavity, after cooling solidification forms the plastic product of required shape, capacitor switch is a kind of device using capacitor principle to realize control, capacitor switch needs injection mold to process when producing.

[0003] But prior art still has the following problems:

[0004] First, injection mold size and shape are customized according to the specific specification requirements of capacitor switch, the existing injection mold on market cannot complete molding cavity when carrying out injection molding to capacitor switch, the product quality of capacitor switch is not up to standard, capacitor switch is not conveniently effectively injection molded, cannot meet subsequent assembly and use requirements.

[0005] Second, capacitor switch needs to be taken out after capacitor switch injection mold ends, but the capacitor switch after injection molding is not conveniently quickly demoulded from injection mold quickly, and the material taking of capacitor switch is not very convenient, seriously affect the efficiency of demolding.

[0006] For the above problems, the inventor proposes a capacitor switch injection mold structure to solve the above problems. CONTENT OF UTILITY MODEL

[0007] In order to solve the problem that capacitor switch is not conveniently effectively injection molded and not conveniently quickly demoulded from injection mold quickly, the utility model aims at providing a capacitor switch injection mold structure.

[0008] To solve the above technical problems, the utility model discloses the following technical scheme: A capacitor switch injection mold structure, including the base, the base is equipped with the stripper, the top surface of base is equipped with the setting device, the setting device includes the injection moulding plate, the bottom surface of injection moulding plate is fixedly connected with base, one side of injection moulding plate is equipped with the injection port, one side of injection moulding plate is fixedly connected with four rectangular array distribution's connecting rod, the end portion of connecting rod away from stripper is fixedly connected with the limiting plate, the outer surface of connecting rod is movably sleeved with the locating plate, the bottom surface of locating plate is fixedly connected with base, the outer surface of connecting rod is movably sleeved with stripper, the one side of injection moulding plate close to stripper is equipped with the first setting groove, the one side of stripper close to injection moulding plate is equipped with the second setting groove, the top rod portion on locating plate is located in stripper, does not extend into the forming cavity, and plastic melt is injected from the injection port, and the injection port extends to the first setting groove, and plastic melt flows into the cavity formed by the first setting groove and the second setting groove along the channel, the one side of locating plate close to stripper is fixedly connected with four annular array distribution's top rod, and one end of top rod is movably penetrated with stripper and extends to the second setting groove.

[0009] Preferably, the stripper includes a lead screw and two symmetrically distributed slide rails, one side of the base is fixedly connected with a motor, the output end of the motor extends into the base and is fixedly connected with the lead screw, the top surface of the base is provided with three equidistantly distributed slide grooves, the outer surface of the lead screw is threadedly sleeved with a screw block, the upper end of the slide rail is slidingly connected with a sliding block, the two ends of the lead screw are rotatably connected with the middle slide groove, the outer surface of the screw block is fitted with the inner wall of the middle slide groove, the two ends of the slide rail are fixedly connected with the outer slide groove, the rotation of the lead screw causes the screw block to move linearly along the slide groove, the two ends of the slide rail are fixedly connected with the outer slide groove, the outer surface of the sliding block is fitted with the inner wall of the outer slide groove, the sliding block slides on the slide rail, the screw block and the two sliding blocks jointly drive the stripper to move upward, the outer surface of the sliding block is fitted with the inner wall of the outer slide groove, and the top surfaces of the screw block and the two sliding blocks are fixedly connected with the stripper.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The utility model discloses can through plastic melt from injection port injection, and the injection port extends to the first setting groove, and plastic melt flows into the cavity formed by the first setting groove and the second setting groove along the channel, until the cavity is filled, in this process, melt gradually cools in the cavity setting, forms the basic shape of capacitor switch, to reach can effectively to capacitor switch injection setting's purpose;

[0012] 2、The utility model discloses can drive the stripping plate to the removal with two sliding blocks together through silk piece, with the stripping plate removal, the positioning board top rod of the one side of stripping plate relative stripping plate removal, and the top rod will be formed from the second shaping groove of capacitor switch and eject, thereby reach can effectively to capacitor switch demolding's purpose. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 It is the structural schematic diagram of the utility model.

[0015] Figure 2 It is the front schematic diagram of the utility model shaping device.

[0016] Figure 3 It is the side schematic diagram of the utility model shaping device.

[0017] Figure 4 It is the stripping device schematic diagram of the utility model.

[0018] In the drawing: 1, base, 2, stripping device, 3, shaping device, 21, screw rod, 22, motor, 23, silk piece, 24, sliding groove, 25, sliding rail, 26, sliding block, 31, injection molding plate, 32, connecting rod, 33, positioning plate, 34, stripping plate, 35, first shaping groove, 36, second shaping groove, 37, top rod, 38, limit plate, 39, injection port. DETAILED DESCRIPTION

[0019] Below will combine the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment only is a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor are within the scope of the utility model protection.

[0020] Embodiment: as Figures 1-4The utility model provides a kind of injection mold structure of capacitor switch, including base 1, demoulding device 2 is equipped in base 1, the top surface of base 1 is equipped with shaping device 3, shaping device 3 includes injection plate 31, the bottom surface of injection plate 31 is fixedly connected with base 1, one side of injection plate 31 is equipped with injection port 39, one side of injection plate 31 is fixedly connected with four connection rods 32 of rectangular array distribution, the outer surface of connection rod 32 movably sleeve joint has locating plate 33, the bottom surface of locating plate 33 is fixedly connected with base 1, the outer surface of connection rod 32 movably sleeve joint has demoulding plate 34.

[0021] First shaping groove 35 is equipped on the side of injection plate 31 close to demoulding plate 34, injection port 39 extends into first shaping groove 35, second shaping groove 36 is equipped on the side of demoulding plate 34 close to injection plate 31, first shaping groove 35 and second shaping groove 36 are used mutually, first shaping groove 35 and second shaping groove 36 are mutually matched to form complete capacitor switch forming cavity, plastic melt flows into the cavity formed by first shaping groove 35 and second shaping groove 36 along channel, until the cavity is filled, the end portion of connection rod 32 away from demoulding plate 34 is fixedly connected with limiting plate 38, four top rods 37 of annular array distribution are fixedly connected on the side of locating plate 33 close to demoulding plate 34, top rod 37 will be formed capacitor switch from second shaping groove 36 and eject, the upward movement of demoulding plate 34 also makes capacitor switch gradually separate from first shaping groove 35, can conveniently take out the capacitor switch formed, one end of top rod 37 movably penetrates demoulding plate 34 and extends into second shaping groove 36.

[0022] Demoulding device 2 includes screw rod 21 and two symmetrically distributed slide rails 25, one side of base 1 is fixedly connected with motor 22, the output end of motor 22 extends into base 1 and is fixedly connected with screw rod 21, the top surface of base 1 is equipped with three equidistantly distributed slide grooves 24, the outer surface of screw rod 21 is threadedly sleeved with screw block 23, the both ends of screw rod 21 are rotatably connected with the slide groove 24 close to middle, the outer surface of screw block 23 is fitted with the inner wall of slide groove 24 close to middle.

[0023] The upper end of slide rail 25 is slidably connected with sliding block 26, sliding block 26 slides on slide rail 25, screw block 23 and two sliding blocks 26 jointly drive demoulding plate 34 to move upwards, with the movement of demoulding plate 34, top rod 37 on the side of locating plate 33 close to demoulding plate 34 moves relative to demoulding plate 34, the both ends of slide rail 25 are fixedly connected with the slide groove 24 close to outside, the outer surface of sliding block 26 is fitted with the inner wall of slide groove 24 close to outside, the top surface of screw block 23 and two sliding blocks 26 is fixedly connected with demoulding plate 34.

[0024] Working principle: the stripper plate 34 is in the initial position under the restriction of the positioning plate 33 and the connecting rod 32, the first shaping groove 35 and the second shaping groove 36 are matched to form a complete capacitor switch forming cavity, the top rod 37 on the positioning plate 33 is partially located in the stripper plate 34 and does not extend into the forming cavity, the plastic melt is injected from the injection port 39, the injection port 39 extends into the first shaping groove 35, the plastic melt flows into the cavity composed of the first shaping groove 35 and the second shaping groove 36 along the channel, until the cavity is filled, in this process, the melt gradually cools and shapes in the cavity to form the basic shape of the capacitor switch, so that the purpose of effectively injection molding and shaping the capacitor switch is achieved.

[0025] When the demolding action of the capacitor switch is needed, the motor 22 is started, the motor 22 drives the screw rod 21 to rotate, the rotation of the screw rod 21 makes the screw block 23 move linearly along the sliding groove 24, the sliding rail 25 is fixedly connected between the outer sliding groove 24, the outer surface of the sliding block 26 is attached to the inner wall of the outer sliding groove 24, the sliding block 26 slides on the sliding rail 25, the screw block 23 and the two sliding blocks 26 jointly drive the stripper plate 34 to move upwards, with the movement of the stripper plate 34, the top rod 37 on the side of the positioning plate 33 close to the stripper plate 34 moves relative to the stripper plate 34, since one end of the top rod 37 is movably penetrated through the stripper plate 34 and extends into the second shaping groove 36, the top rod 37 will push out the shaped capacitor switch from the second shaping groove 36, at the same time, the upward movement of the stripper plate 34 also makes the capacitor switch gradually separate from the first shaping groove 35, so that the shaped capacitor switch can be taken out, thereby achieving the purpose of effectively demolding the capacitor switch.

[0026] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A capacitive switch injection mould structure comprising a base (1) characterised in that: The base (1) is internally provided with a demolding device (2), and the top surface of the base (1) is provided with a shaping device (3); The shaping device (3) comprises an injection molding plate (31), the bottom surface of the injection molding plate (31) is fixedly connected with the base (1), one side of the injection molding plate (31) is provided with an injection molding port (39), and the injection molding plate (31) is fixedly connected with four connecting rods (32) arranged in a rectangular array on one side; the outer surface of the connecting rod (32) is movably sleeved with a positioning plate (33), the bottom surface of the positioning plate (33) is fixedly connected with the base (1), the outer surface of the connecting rod (32) is movably sleeved with a demolding plate (34), the side, close to the demolding plate (34), of the injection molding plate (31) is provided with a first shaping groove (35), and the side, close to the injection molding plate (31), of the demolding plate (34) is provided with a second shaping groove (36).

2. A plastic injection mold structure for a capacitive switch according to claim 1, wherein: The demolding device (2) comprises a lead screw (21) and two symmetrically-distributed sliding rails (25), one side of the base (1) is fixedly connected with a motor (22), the output end of the motor (22) extends into the base (1) and is fixedly connected with the lead screw (21), the top surface of the base (1) is provided with three sliding grooves (24) arranged at equal intervals, the outer surface of the lead screw (21) is threadedly sleeved with a lead block (23), and the upper end of the sliding rail (25) is slidably connected with a sliding block (26); the top surfaces of the lead block (23) and the two sliding blocks (26) are fixedly connected with the demolding plate (34).

3. A plastic injection mold structure for a capacitive switch according to claim 1, wherein: The injection molding port (39) extends into the first shaping groove (35).

4. A plastic injection mold structure for a capacitive switch according to claim 1, wherein: The first shaping groove (35) and the second shaping groove (36) are used in cooperation.

5. A plastic injection mold structure for a capacitive switch according to claim 1, wherein: The side, close to the demolding plate (34), of the positioning plate (33) is fixedly connected with four ejector rods (37) arranged in an annular array, one end of the ejector rod (37) movably penetrates through the demolding plate (34) and extends into the second shaping groove (36).

6. A plastic injection mold structure for a capacitive switch according to claim 2, wherein: The end, away from the demolding plate (34), of the connecting rod (32) is fixedly connected with a limiting plate (38).

7. A plastic injection mold structure for a capacitive switch according to claim 2, wherein: Both ends of the lead screw (21) are rotatably connected with the sliding groove (24) located in the middle, and the outer surface of the lead block (23) is attached to the inner wall of the sliding groove (24) located in the middle.

8. A plastic injection mold structure for a capacitive switch according to claim 2, wherein: Both ends of the sliding rail (25) are fixedly connected with the sliding groove (24) located on the outer side, and the outer surface of the sliding block (26) is attached to the inner wall of the sliding groove (24) located on the outer side.