Substrate cutting machine for miniature potentiometer

Abstract

The substrate cutting machine comprises a cutting blade, a protective shell and a plurality of limiting shells, the limiting shells are transversely and oppositely arranged, the interiors of the limiting shells are combined to form a limiting cavity matched with a substrate, a cutting channel is formed between the limiting shells, the protective shell and the cutting channel are vertically and oppositely arranged, and the limiting shells are arranged on the cutting blade. A cutting blade is arranged in the protective shell, positioning plates are vertically installed on the two sides of the protective shell, a plurality of sliding grooves are formed in the inner side faces of the positioning plates, sliding blocks are installed on the two side faces, right opposite to the sliding grooves, of the limiting shell, and the sliding blocks are arranged in the sliding grooves in a sliding mode. The base plate cutting device is simple in structure, a base plate can be directly placed in the limiting cavity, the base plate can be positioned through the limiting cavity, and after the base plate is pressed by a thumb, the limiting shell can be pressed downwards along the sliding groove, so that the base plate can make contact with the rotating cutting piece, and stable cutting operation is conducted on the base plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to micro potentiometer technical field, concretely relates to a base plate segmentation machine for micro potentiometer. BACKGROUND

[0002] Micro potentiometer is a kind of electronic component with small volume, adjustable resistance characteristics, and is widely used in various electronic equipment.

[0003] Micro potentiometer uses base plate (circuit board) in the process of production, and there is strong electromagnetic interference in the working environment of micro potentiometer, or its signal needs to be highly accurate and stable, so that the base plate can be segmented to reduce interference, and the base plate can be segmented to effectively isolate different signal paths and prevent mutual influence between them.

[0004] But the cutting device of the prior art has simple structure, generally only cutting operation is carried out by rotating cutting piece, and cutting piece or base plate is easy to swing in the process of cutting, thereby affecting the quality of cutting, and the overall cutting efficiency is reduced, and the segmentation speed is affected. SUMMARY

[0005] The utility model wants to solve the technical problem to provide a base plate segmentation machine for micro potentiometer, and the base plate can be positioned in the limiting cavity, and segmentation operation can be completed after pressing down, to solve the problems in the background art.

[0006] The utility model is realized through the following technical schemes: a base plate segmentation machine for micro potentiometer, including cutting piece, protection shell and a plurality of limiting shell, the limiting shell is transversely opposite and is arranged, and the inside of limiting shell is combined to form the limiting cavity matched with base plate, and the cutting channel is formed between limiting shell, and the protection shell is vertically opposite and is arranged with cutting channel, and the inside of protection shell is equipped with cutting piece, and the both sides of protection shell are vertically installed with positioning plate, and a plurality of sliding grooves are equipped on the inner side of positioning plate, and the both sides of limiting shell are installed with sliding block opposite to sliding groove, and sliding block is slidably arranged in sliding groove.

[0007] As a preferred technical scheme, the side of protection shell is equipped with arc-shaped groove, the outside of protection shell is equipped with motor, the rotating shaft of motor passes through arc-shaped groove and is fixedly connected with the center hole of cutting piece, the motor is not arranged below limiting shell, and connecting plate is installed between motor and protection shell.

[0008] As a preferred technical scheme, the top hole is equipped on limiting shell, the top rod is equipped in top hole, one end of top rod is flush with the inner wall of limiting shell, the other end extends to the outside, and is installed with push block, the first compression spring is sleeved on top rod, one end of first compression spring is installed on limiting shell, and the other end is installed on push block.

[0009] Preferably, the sliding block and the sliding groove are both in a trapezoidal structure, and the second compression spring is arranged between the sliding block and the sliding groove.

[0010] Preferably, the bottom is arranged on the end face of the protective shell away from the limiting block.

[0011] Preferably, the limiting shell is made of metal material.

[0012] Preferably, the top rod is arranged away from the rotating shaft of the motor.

[0013] The utility model discloses a simple structure, and the base plate can be directly placed into the limiting cavity, and the base plate can be positioned through the limiting cavity, and after the base plate is pressed by the thumb, the limiting shell can be pressed down along the sliding groove, so that the base plate can be in contact with the rotating cutting piece and be stably divided, and after the pressing block is pressed, the base plate can be pushed out through the rising top rod, so that the base plate can be conveniently taken out. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the side view of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the utility model after removing the limiting shell.

[0018] 1, limiting shell, 2, cutting channel, 3, protective shell, 4, cutting piece, 5, positioning plate, 6, sliding block, 7, second compression spring, 8, top rod, 9, motor, 10, connecting plate, 11, base, 12, first compression spring, 13, pressing block. DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as the limitation of the utility model.

[0020] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, can be combined in any combination, except combinations where at least some of such features and / or steps are mutually exclusive.

[0021] Any feature in the present specification, unless explicitly stated to the contrary, is intended to be an example of an equivalent or similar feature. In other words, in the context of this specification, the use of the word "example" to modify a feature, or the use of language such as "for example", "for instance" or "as an example", does not mean that a feature is merely an example and not an exhaustive list.

[0022] As shown in Figure 1 , Figure 2 and Figure 3 , the utility model discloses a base plate cutting machine for micro potentiometer, including cutting piece 4, protective shell 3 and a plurality of limit shell 1, the limit shell 1 between transverse opposite arrangement, the inside combination of limit shell 1 forms the limit cavity that matches with base plate, and forms cutting channel 2 between limit shell 1, protective shell 3 and cutting channel 2 vertical opposite arrangement, the inside of protective shell 3 is equipped with cutting piece 4, and both sides of protective shell 3 are vertically installed with positioning plate 5, and the inner side of positioning plate 5 is equipped with a plurality of sliding slots, and the both sides of limit shell 1 are installed with sliding block 6 opposite the sliding slot, and sliding block 6 are all slidingly arranged in the sliding slot.

[0023] Among them, through positioning plate and protective shell can as far as possible the cutting piece of blocking, greatly reduce the cutting piece to the harm of staff.

[0024] In the embodiment, the side surface of the protective shell 3 is provided with an arc-shaped groove, the outer side of the protective shell 3 is provided with a motor 9, the rotating shaft of the motor 9 is fixedly connected with the center hole of the cutting piece 4 through the arc-shaped groove, the motor 9 is not arranged below the limit shell 1, and the connecting plate 10 is arranged between the motor 9 and the protective shell 3.

[0025] In the embodiment, the limit shell 1 is provided with an ejection hole, the ejection hole is provided with a ejector rod 8, one end of the ejector rod 8 is flush with the inner wall surface of the limit shell 1, the other end of the ejector rod 8 extends to the outside and is provided with a push block 13, the first compression spring 12 is sleeved on the ejector rod 8, one end of the first compression spring 12 is arranged on the limit shell 1, and the other end of the first compression spring 12 is arranged on the push block 13.

[0026] In the embodiment, the cross section of the sliding block 6 and the sliding groove is in a trapezoidal structure, the second compression spring 7 is arranged between the sliding block 6 and the sliding groove, so that the sliding block and the limit shell can only move up and down along the sliding groove, and the inclination of the limit shell is avoided, so as to ensure the positioning effect on the base plate.

[0027] In the embodiment, the end surface of the protective shell 3 away from the limit block is provided with a base 11.

[0028] In the embodiment, the limit shell 1 is made of metal material, so that the firmness and service life are improved.

[0029] In the embodiment, the ejector rod is arranged away from the rotating shaft of the motor 9, so that the limiting shell can be fully lowered, and the lowering is not blocked by the ejector rod.

[0030] In use, the substrate is directly placed into the limiting cavity, the substrate is positioned by the limiting shell wrapped outside, the motor is started, the starting of the motor drives the cutting piece, after the thumb is pressed against the substrate, the limiting shell can be pressed down along the sliding groove, the limiting shell can be stably lowered, and is in contact with the rotating cutting piece to perform the splitting operation, the positioning of the substrate and the cutting piece increases the stability in the splitting process;

[0031] After the splitting is completed, the limiting shell is slowly released, the limiting shell and the substrate are returned, and are separated from the cutting piece, after being in position, the push block can be pressed upward, the movement of the push block drives the ejector rod, the substrate can be pushed out by the rising ejector rod, and the substrate taking operation is facilitated.

[0032] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement without creative labor is covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.

Claims

1. A substrate dividing machine for micro potentiometers, characterized by: The device includes a cutting blade (4), a protective shell (3), and multiple limiting shells (1). The limiting shells (1) are arranged laterally opposite each other. The internal combination of the limiting shells (1) forms a limiting cavity that matches the substrate. A cutting channel (2) is formed between the limiting shells (1). The protective shell (3) is arranged perpendicularly opposite to the cutting channel (2). The cutting blade (4) is provided inside the protective shell (3). Positioning plates (5) are vertically installed on both sides of the protective shell (3). Multiple sliding grooves are provided on the inner side of the positioning plates (5). Slider blocks (6) are installed on both sides of the limiting shell (1) directly opposite the sliding grooves. The sliders (6) are slidably disposed in the sliding grooves.

2. The micro-potentiometer substrate dicing machine according to claim 1, characterized by: An arc-shaped groove is provided on one side of the protective shell (3), and a motor (9) is provided on the outside of the protective shell (3). The rotating shaft of the motor (9) passes through the arc-shaped groove and is fixedly connected to the center hole of the cutting blade (4). The motor (9) is not located below the limiting shell (1). A connecting plate (10) is installed between the motor (9) and the protective shell (3).

3. The micro-potentiometer substrate dicing machine according to claim 1, characterized by: Each limiting shell (1) is provided with an ejection hole, and each ejection hole is provided with a push rod (8). One end of the push rod (8) is flush with the inner wall of the limiting shell (1), and the other end extends to the outside and is equipped with a push block (13). Each push rod (8) is fitted with a first compression spring (12). One end of the first compression spring (12) is installed on the limiting shell (1), and the other end is installed on the push block (13).

4. The micro-potentiometer substrate dicing machine according to claim 1, characterized by: Both the slider (6) and the groove have trapezoidal cross sections, and a second compression spring (7) is installed between the slider (6) and the groove.

5. The micro-potentiometer substrate dicing machine according to claim 1, characterized by: A base (11) is installed on the end face of the protective shell (3) away from the limit block.

6. The micro-potentiometer substrate dicing machine according to claim 1, characterized by: The limiting shell (1) is made of metal.

7. The micro-potentiometer substrate dicing machine according to claim 3, characterized by: The push rod is offset from the shaft of the motor (9).

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