CN223750123U - A capacitor opening injection molding structure - Google Patents

Abstract

This utility model discloses a capacitor switch injection molding structure, relating to the field of injection molding technology. The utility model includes a base, with a shaping device on the top surface of the base. The shaping device includes an injection plate, with an injection port on one side of the injection plate. Four connecting rods arranged in a rectangular array are fixedly connected to one side of the injection plate. A positioning plate is movably sleeved on the outer surface of each connecting rod, and the bottom surface of the positioning plate is fixedly connected to the base. A demolding template is movably sleeved on the outer surface of each connecting rod. A first shaping groove is formed on the side of the injection plate near the demolding template, and a second shaping groove is formed on the side of the demolding template near the injection plate. Four push rods arranged in a circular array are fixedly connected to the side of the positioning plate near the demolding template. This utility model can effectively perform injection molding and shaping of a capacitor switch, and facilitates demolding of the capacitor switch.

Description

Injection mold structure of capacitive switch

Technical Field

The utility model relates to the technical field of injection molds, in particular to a capacitor switch injection mold structure.

Background

Injection mold is widely used in various industries, and is a tool for manufacturing plastic products, which is to inject molten plastic into a mold cavity to form plastic products with required shapes after cooling and solidifying, and a capacitance switch is a device for realizing control by utilizing a capacitance principle, and the capacitance switch is required to be processed by the injection mold during production.

However, the prior art has the following problems:

Firstly, the size and the shape of the injection mold are customized according to the specific specification requirements of the capacitance switch, the existing injection mold in the market cannot completely form a cavity when the capacitance switch is injection molded, the quality of a product of the capacitance switch is not too close, the capacitance switch cannot be injection molded conveniently and effectively, and the subsequent assembly and use requirements cannot be met.

Secondly, after the capacitor is opened and concerned with the end of the molding, the capacitor switch needs to be taken out, but the capacitor switch after the molding is inconvenient, fast and effective in demolding from the injection mold, and the capacitor switch is inconvenient to take out, so that the demolding efficiency is seriously affected.

In view of the above, the inventor proposes a capacitive switch injection mold structure for solving the above problem.

Disclosure of utility model

The utility model aims to solve the problems that the capacitive switch is not convenient to carry out injection molding and shaping effectively and is inconvenient to carry out rapid and effective demoulding from an injection mould, and provides a capacitive switch injection mould structure.

In order to solve the technical problems, the capacitor switch injection mold structure comprises a base, a demolding device is arranged in the base, a shaping device is arranged on the top surface of the base, the shaping device comprises an injection molding plate, the bottom surface of the injection molding plate is fixedly connected with the base, an injection molding opening is formed in one side of the injection molding plate, four connecting rods distributed in a rectangular array are fixedly connected to one side of the injection molding plate, a limiting plate is fixedly connected to the end part of the connecting rod, far away from the demolding plate, a positioning plate is movably sleeved on the outer surface of the connecting rod, the bottom surface of the positioning plate is fixedly connected with the base, a demolding plate is movably sleeved on the outer surface of the connecting rod, a first shaping groove is formed in one side, close to the demolding plate, of the injection molding plate, a second shaping groove is formed in one side, close to the demolding plate, a mandril part on the positioning plate is positioned in the demolding plate and does not extend into a molding cavity, plastic melt is injected from the injection molding opening, extends into the first shaping groove, four connecting rods distributed in a rectangular array along a channel, the positioning plate is fixedly connected to one side, and extends into the first molding cavity through the four mandril distributed in the annular array, and extends into the second molding groove.

Preferably, the demoulding device comprises a screw rod and two slide rails which are symmetrically distributed, 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 screw rod, three slide grooves which are distributed at equal intervals are formed in the top surface of the base, screw blocks are sleeved on the outer surface threads of the screw rod, the upper end of the slide rail is slidably connected with a slide block, two ends of the screw rod are rotationally connected with the slide grooves close to the middle, the outer surfaces of the screw blocks are attached to the inner walls of the slide grooves close to the middle, two ends of the slide rail are fixedly connected with the slide grooves close to the outer sides, the screw blocks are linearly moved along the slide grooves by rotation of the screw rod, the outer surfaces of the slide blocks are attached to the inner walls of the slide grooves close to the outer sides, the screw blocks and the two slide blocks drive the demoulding plates to move together, and the outer surfaces of the slide blocks are attached to the inner walls of the slide grooves close to the outer sides, and the top surfaces of the two slide blocks are fixedly connected with the demoulding plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the plastic melt can be injected from the injection molding opening, the injection molding opening extends into the first shaping groove, the plastic melt flows into the cavity formed by the first shaping groove and the second shaping groove along the channel until the cavity is filled, and in the process, the melt is gradually cooled and shaped in the cavity to form the basic shape of the capacitance switch, so that the purpose of effectively injection molding and shaping the capacitance switch is achieved;

2. According to the utility model, the stripper plate can be driven to move towards the direction through the wire blocks and the two sliding blocks, and along with the movement of the stripper plate, the ejector rod on one side of the positioning plate, which is close to the stripper plate, moves relative to the stripper plate, and the ejector rod can eject the formed capacitor switch from the second shaping groove, so that the purpose of effectively stripping the capacitor switch is achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic front view of the shaping device of the present utility model.

FIG. 3 is a schematic side view of the setting device of the present utility model.

FIG. 4 is a schematic view of a stripping apparatus of the present utility model.

In the figure, 1, a base; 2, a demoulding device, 3, a shaping device, 21, a screw rod, 22, a motor, 23, a screw block, 24, a chute, 25, a slide rail, 26, a slide block, 31, an injection molding plate, 32, a connecting rod, 33, a positioning plate, 34, a demoulding plate, 35, a first shaping groove, 36, a second shaping groove, 37, a push rod, 38, a limiting plate and 39 and an injection molding opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides a capacitor switch injection mold structure, as shown in fig. 1-4, which comprises a base 1, wherein a demolding device 2 is arranged in the base 1, 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 opening 39, one side of the injection molding plate 31 is fixedly connected with four connecting rods 32 distributed in a rectangular array, the outer surface of the connecting rods 32 is movably sleeved with a positioning plate 33, the bottom surface of the positioning plate 33 is fixedly connected with the base 1, and the outer surface of the connecting rods 32 is movably sleeved with a demolding plate 34.

The first shaping groove 35 is formed in one side of the injection molding plate 31, which is close to the stripper plate 34, the injection molding opening 39 extends into the first shaping groove 35, the second shaping groove 36 is formed in one side of the stripper plate 34, which is close to the injection molding plate 31, the first shaping groove 35 and the second shaping groove 36 are mutually matched, a complete capacitance switch forming cavity is formed by the first shaping groove 35 and the second shaping groove 36, plastic melt flows into the cavity formed by the first shaping groove 35 and the second shaping groove 36 along a channel until the cavity is filled, a limiting plate 38 is fixedly connected to the end part of the connecting rod 32, which is far away from the stripper plate 34, four ejector rods 37 distributed in an annular array are fixedly connected to one side of the positioning plate 33, which is close to the stripper plate 34, the ejector rods 37 eject the formed capacitance switch out of the second shaping groove 36, meanwhile, the capacitance switch is gradually separated from the first shaping groove 35 by the upward movement of the stripper plate 34, one end of the ejector rods 37 and the stripper plate 34 movably penetrate through and extend into the second shaping groove 36.

The demoulding device 2 comprises a screw rod 21 and two symmetrically distributed slide 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 screw rod 21, three slide grooves 24 which are distributed at equal intervals are formed in the top surface of the base 1, wire blocks 23 are sleeved on the outer surface of the screw rod 21 in a threaded manner, two ends of the screw rod 21 are rotationally connected with the slide grooves 24 close to the middle, and the outer surface of the wire blocks 23 is attached to the inner wall of the slide grooves 24 close to the middle.

The upper end sliding connection of slide rail 25 has slider 26, and slider 26 slides at slide rail 25, and silk piece 23 and two sliders 26 drive stripper plate 34 upwards jointly, and along with stripper plate 34 removes, ejector pin 37 that locating plate 33 is close to stripper plate 34 one side moves relative stripper plate 34, fixed connection between the both ends of slide rail 25 and the outside spout 24, and the surface of slider 26 is laminated with the inner wall of spout 24 that is close to the outside, and silk piece 23 and the top surface and the stripper plate 34 fixed connection of two sliders 26.

The working principle is that the stripper plate 34 is in an initial position under the limit of the positioning plate 33 and the connecting rod 32, the first shaping groove 35 and the second shaping groove 36 are matched with each other to form a complete capacitance switch forming cavity, a push rod 37 on the positioning plate 33 is positioned in the stripper plate 34 and does not extend into the forming cavity, plastic melt is injected from an injection molding opening 39, the injection molding opening 39 extends into the first shaping groove 35, the plastic melt flows into the cavity formed by the first shaping groove 35 and the second shaping groove 36 along a channel until the cavity is filled, and in the process, the melt is gradually cooled and shaped in the cavity to form the basic shape of the capacitance switch, so that the purpose of effectively carrying out injection molding on the capacitance switch is achieved;

When the capacitor switch needs to be demolded, the motor 22 is started, the motor 22 drives the screw rod 21 to rotate, the screw rod 21 rotates to enable the screw block 23 to linearly move along the sliding groove 24, two ends of the sliding rail 25 are fixedly connected with 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 demolding plate 34 to move, along with the movement of the demolding plate 34, the ejector rod 37 on one side, close to the demolding plate 34, of the positioning plate 33 moves relative to the demolding plate 34, and as one end of the ejector rod 37 movably penetrates through the demolding plate 34 and extends into the second shaping groove 36, the ejector rod 37 ejects the formed capacitor switch from the second shaping groove 36, and meanwhile, the upward movement of the demolding plate 34 enables the capacitor switch to be gradually separated from the first shaping groove 35, so that the formed capacitor switch can be taken out, and the purpose of demolding of the capacitor switch can be achieved effectively.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (8)

1. The capacitive switch injection mold structure comprises a base (1) and is characterized in that a demolding device (2) is arranged in the base (1), and a shaping device (3) is arranged on the top surface of the base (1);

The shaping device comprises an injection molding plate (31), wherein the bottom surface of the injection molding plate (31) is fixedly connected with a base (1), an injection molding opening (39) is formed in one side of the injection molding plate (31), four connecting rods (32) which are distributed in a rectangular array are fixedly connected to one side of the injection molding plate (31), a positioning plate (33) is movably sleeved on the outer surface of the connecting rod (32), the bottom surface of the positioning plate (33) is fixedly connected with the base (1), a stripper plate (34) is movably sleeved on the outer surface of the connecting rod (32), a first shaping groove (35) is formed in one side, close to the stripper plate (34), of the injection molding plate (31), and a second shaping groove (36) is formed in one side, close to the injection molding plate (34).

2. The capacitive switch injection mold structure of claim 1, wherein the demolding device (2) comprises a screw rod (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 screw rod (21), three equally spaced sliding grooves (24) are formed in the top surface of the base (1), wire blocks (23) are sleeved on the outer surface of the screw rod (21) in a threaded manner, sliding blocks (26) are slidably connected to the upper ends of the sliding rails (25), and the wire blocks (23) are fixedly connected with the top surfaces of the two sliding blocks (26) and the demolding plate (34).

3. A capacitive switch injection mold structure as claimed in claim 1, wherein said injection molding opening (39) extends into the first molding groove (35).

4. The capacitive switch injection mold structure according to claim 1, wherein the first shaping groove (35) and the second shaping groove (36) are matched with each other.

5. The capacitive switch injection mold structure of claim 1, wherein four ejector rods (37) distributed in an annular array are fixedly connected to one side of the positioning plate (33) close to the stripper plate (34), and one end of each ejector rod (37) and the stripper plate (34) movably penetrate through and extend into the second shaping groove (36).

6. The capacitive switch injection mold structure of claim 2, wherein the end of the connecting rod (32) away from the stripper plate (34) is fixedly connected with a limiting plate (38).

7. The capacitive switch injection mold structure according to claim 2, wherein two ends of the screw rod (21) are rotatably connected with the runner (24) near the middle, and the outer surface of the screw block (23) is attached to the inner wall of the runner (24) near the middle.

8. The capacitive switch injection mold structure of claim 2, wherein two ends of the sliding rail (25) are fixedly connected with the outer sliding groove (24), and the outer surface of the sliding block (26) is attached to the inner wall of the outer sliding groove (24).