CN218802708U

CN218802708U - PCB cutting device

Info

Publication number: CN218802708U
Application number: CN202223158959.7U
Authority: CN
Inventors: 曹相泽
Original assignee: Shenzhen Jinbangda Electronics Co ltd
Current assignee: Shenzhen Jinbangda Electronics Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-07
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a PCB cutting device, which comprises a bottom plate, a cutting device and a cutting device, wherein the bottom plate comprises two first slide rails which are arranged in parallel, and the first slide rails are fixed on the long edges of the bottom plate; the fixing pressure lever is fixedly arranged on the short edge of the bottom plate and used for fixing the PCB on the bottom plate; the sliding frame is arranged between the two first sliding rails in a spanning mode, and two ends of the sliding frame are connected with the first sliding rails in a sliding mode respectively; the sliding frame is also connected with a cutting device in a sliding manner, and the cutting device is used for cutting the PCB; the cutting device can be adjusted in one direction at will through the first sliding rail, and is connected to the sliding frame in a sliding mode, so that the cutting device can cut in a sliding mode in the second direction, cutting of any specification and any size can be achieved, the freedom degree of movement is high, and fixing of the PCB is very convenient through the fixing pressing rod; the overall cutting frame connection is more stable.

Description

PCB cutting device

Technical Field

The utility model relates to a PCB board cuts appurtenance technical field, especially relates to a PCB board cutting device.

Background

In the production process, in order to adapt to different required sizes, the PCB substrate is required to be subjected to customized shape and customized size cutting treatment, other pretreatment is not performed on the PCB substrate at the moment, and therefore shaking and instability phenomena easily occur in the manual cutting process, so that the problem of poor size is easily caused, burrs are easily caused on the cutting edge during the cutting process, the burrs are easily caused on the welding resistance ink treatment and the pad windowing treatment of the follow-up procedures, and therefore a device capable of enabling a user to stably cut when the customized size cutting is performed is required.

SUMMERY OF THE UTILITY MODEL

Aiming at the technology, the method comprises the following steps: the existing cutting device for the PCB is low in stability; provides a technical scheme for solving the problem.

In order to achieve the above object, the utility model provides a PCB board cutting device, include:

a bottom plate, a plurality of first connecting plates,

the first sliding rail comprises two first sliding rails which are arranged in parallel, and the first sliding rails are fixed on the long edges of the bottom plate;

the fixing compression bar is fixedly arranged on the short side of the bottom plate and used for fixing the PCB on the bottom plate;

the sliding frame is arranged between the two first sliding rails in a crossing manner, and two ends of the sliding frame are respectively connected with the first sliding rails in a sliding manner; still sliding connection has cutting device on the carriage, cutting device is used for cutting the PCB board.

Preferably, the first slide rail includes fixed terminals, a first guide rail and a first slide bar, the two fixed terminals are respectively fixed on the bottom plate, two ends of the first guide rail and the first slide bar are respectively connected with the two fixed terminals, and the first guide rail is located on one side of the first slide bar, which is far away from the bottom plate.

Preferably, the first sliding rod and the bottom plate are arranged at intervals; the first slide bar is a ball screw.

Preferably, the sliding frame comprises a connecting end, a second guide rail and a second sliding rod, one end, close to the bottom plate, of the connecting end is connected to the first guide rail and the first sliding rod in a sliding mode, and one end, far away from the first guide rail, of the connecting end is arranged on the second guide rail and the second sliding rod in a sliding mode.

Preferably, the two second guide rails are included, the second slide bar is located between the two second guide rails, and the second slide bar is a ball screw.

Preferably, the cutting device comprises a fixed seat, a driving motor and a cutting knife; the fixed seat is connected to the second sliding rod in a sliding mode and is provided with a through hole for the second guide rail to pass through; the driving motor is arranged at one end of the fixed seat far away from the bottom plate, and the output shaft of the driving motor extends towards the direction close to the bottom plate; the output shaft is sleeved with a cutter support, and when the driving motor drives the output shaft to rotate, the cutter support is configured to reciprocate in the axial direction of the output shaft; and a cutting knife is fixed on one side of the knife tool bracket, which is close to the bottom plate.

Preferably, the tool support comprises a connecting part and an extending part, the extending part is connected with the second sliding rod and the second guide rail in a sliding manner, one end of the extending part is connected with the connecting part, and the other end of the extending part is obliquely arranged towards one side close to the bottom plate; the cutting knife is fixed at one end of the extending part close to the bottom plate.

The utility model has the advantages that: the utility model discloses a PCB cutting device, which comprises a bottom plate, a cutting device and a cutting device, wherein the bottom plate comprises two first slide rails which are arranged in parallel, and the first slide rails are fixed on the long edges of the bottom plate; the fixing compression bar is fixedly arranged on the short edge of the bottom plate and used for fixing the PCB on the bottom plate; the sliding frame is arranged between the two first sliding rails in a spanning mode, and two ends of the sliding frame are connected with the first sliding rails in a sliding mode respectively; the sliding frame is also connected with a cutting device in a sliding manner, and the cutting device is used for cutting the PCB; the cutting device can be adjusted in one direction at will through the first sliding rail, and is connected to the sliding frame in a sliding mode, so that the cutting device can cut in a sliding mode in the second direction, cutting of any specification and any size can be met, the freedom degree of movement is high, and fixing of the PCB is very convenient through the fixing pressing rod; the overall cutting frame connection is more stable.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the carriage of the present invention;

fig. 4 is a structural diagram of the cutting device of the present invention.

The main component symbols are as follows:

1. a base plate;

2. a first slide rail; 21. a fixed terminal; 22. a first guide rail; 23. a first slide bar;

3. fixing the compression bar;

4. a carriage; 41. a connecting end; 42. a second guide rail; 43. a second slide bar;

5. a cutting device; 51. a fixed seat; 511. a third guide rail; 52. a drive motor; 521. an output shaft; 53. cutting a knife;

6. a tool holder; 61. cutting knife; 62. a connecting portion; 63. an extension portion.

Detailed Description

In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.

In the following description, general example details are given to provide a more thorough understanding of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

The utility model provides a PCB cutting device, please refer to FIGS. 1-4; the method comprises the following steps:

the bottom plate (1) is provided with a plurality of grooves,

the first slide rail 2 comprises two first slide rails 2 which are arranged in parallel, and the first slide rails 2 are fixed on the long edges of the bottom plate;

the fixing pressure lever 3 is fixedly arranged on the short edge of the bottom plate 1, and the fixing pressure lever 3 is used for fixing the PCB on the bottom plate; the form of the fixed pressure lever can be various, such as a locking screw, a spring buckle, a pressing fastener and the like, and the fixed pressure lever mainly plays a role in locking, pressing and fixing and is commonly used in the prior art, so that the details are not repeated;

the sliding frame 4 is arranged between the two first sliding rails 2 in a crossing manner, and two ends of the sliding frame 4 are respectively connected with the first sliding rails 2 in a sliding manner; wherein, still sliding connection has cutting device 5 on the carriage 4, and cutting device 5 is used for cutting the PCB board. The carriage itself can slide in a first direction by means of the first slide rail, while the cutting device slides in a second direction by means of the carriage, so that in a specific use process the range of movement of the cutting device covers the entire floor plane, and the course of the movement is limited and coordinated in position by means of the parallel first slide rail and carriage, so that the cutting process can be moved in a stable manner.

In this embodiment, the first slide rail 2 includes a fixed terminal 21, a first guide rail 22 and a first slide bar 23, the two fixed terminals 21 are respectively fixed on the bottom plate 1, two ends of the first guide rail 22 and the first slide bar 23 are respectively connected with the two fixed terminals 21, and the first guide rail 22 is located on one side of the first slide bar 23 away from the bottom plate. The first guide rail mainly plays a role in enabling the sliding process to be more stable and smooth, and the first guide rail and the first sliding rod jointly act to form movement restraint, so that movement is more stable.

In the embodiment, the first sliding rod 23 is spaced from the bottom plate 1; the reserved gap is convenient for placing and taking out the PCB; the first slide bar 23 is a ball screw; further improving the rigidity and the sliding stability of the whole structure. More preferably, the first slide rail is driven by a motor, and a feed screw nut is embedded at the joint of the slide frame, so that accurate movement is achieved.

In this embodiment, the sliding rack 4 comprises a connecting end 41, a second guide rail 42 and a second sliding rod 43, wherein one end of the connecting end 41 close to the bottom plate is slidably connected to the first guide rail and the first sliding rod, and one end of the connecting end 41 far away from the first guide rail is slidably arranged on the second guide rail and the second sliding rod. The sliding in the first direction is the axial direction of the first sliding rod, the first direction is the long side direction, the distance is longer, and the first direction is the main moving direction in the cutting process, so that the first sliding rod is connected to the bottom of the connecting end, and the moving process can be more stable; the sliding movement in the second direction is the axial direction of the second slide bar, which requires adjustment of the height of the tool, so that the connection at the upper end of the connecting end provides a certain adjustment space.

In this embodiment, two second guide rails 42 are included, and the second slide rod 41 is located between the two second guide rails, and the second slide rod is a ball screw. Similarly, the second guide rail mainly plays a role in guiding and structural stability so as to increase the rigidity of the whole structure and enable the whole transmission process to be more stable.

In the present embodiment, the cutting device 5 includes a fixed base 51, a drive motor 52, and a cutting blade 53; the fixed seat 51 is slidably connected to the second sliding rod 41 and is provided with a through hole for the second guide rail 42 to pass through; the driving motor 52 is arranged at one end of the fixed seat 51 far away from the bottom plate, and an output shaft 521 of the driving motor 52 extends towards the direction close to the bottom plate; the output shaft 521 is sleeved with a cutter support 6, and when the driving motor drives the output shaft to rotate, the cutter support is configured to reciprocate in the axial direction of the output shaft; a cutting knife 61 is fixed on one side of the cutter bracket 6 close to the bottom plate; the cutter support can perform cutting movement in a first direction and a second direction, and a specific movement process is that a user pushes the fixed seat to move, so that customized cutting is realized; meanwhile, the output shaft of the driving motor is limited to rotate on the fixing seat, the third guide rails 511 are arranged on two sides of the output shaft, and the tool support is subjected to motion constraint simultaneously, so that the tool support can realize reciprocating motion in the axial direction of the output shaft during rotation of the output shaft, acting force between the cutting tool and a PCB is adjusted, the driving motor is driven more stably, and the fineness of the cutting process is higher.

In this embodiment, the tool support 6 includes a connecting portion 62 and an extending portion 63, the connecting portion 63 is slidably connected to the second slide bar 41 and the second guide rail 42, one end of the extending portion 63 is connected to the connecting portion 62, and the other end is disposed to be inclined toward a side close to the bottom plate; a cutting blade 53 is fixed to the end of the extension near the base plate. Because the output shaft can not directly abut against the PCB, in order to enable the cutter to be attached to the PCB, the cutter support is required to have a part of structure which can be close to the PCB so that the cutter can be cut, and an included angle is formed between the extending part of the cutter support and the connecting piece.

The utility model has the advantages that:

the cutting device can be adjusted in one direction at will through the first sliding rail, and is connected to the sliding frame in a sliding mode, so that the cutting device can cut in a sliding mode in the second direction, cutting of any specification and any size can be achieved, the freedom degree of movement is high, and fixing of the PCB is very convenient through the fixing pressing rod; the overall cutting frame connection is more stable.

The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a PCB board cutting device which characterized in that includes:

a bottom plate is arranged on the bottom plate,

2. The PCB board cutting device of claim 1, wherein the first slide rail comprises a fixed terminal, a first guide rail and a first slide bar, two of the fixed terminals are respectively fixed on the bottom board, two ends of the first guide rail and the first slide bar are respectively connected with two of the fixed terminals, and the first guide rail is located on a side of the first slide bar away from the bottom board.

3. The PCB board cutting device of claim 2, wherein the first slide bar is spaced from the base plate; the first slide bar is a ball screw.

4. The PCB board cutting device according to claim 2, wherein the sliding rack comprises a connecting end, a second guide rail and a second sliding rod, wherein one end of the connecting end close to the bottom plate is slidably connected to the first guide rail and the first sliding rod, and one end of the connecting end far away from the first guide rail is slidably arranged on the second guide rail and the second sliding rod.

5. The PCB board cutting device of claim 4, wherein two of the second guide rails are included, the second slide bar is located between the two second guide rails, and the second slide bar is a ball screw.

6. The PCB cutting device of claim 4, wherein the cutting device comprises a fixed base, a driving motor and a cutting knife; the fixed seat is connected to the second sliding rod in a sliding manner and is provided with a through hole for the second guide rail to pass through; the driving motor is arranged at one end of the fixed seat far away from the bottom plate, and the output shaft of the driving motor extends towards the direction close to the bottom plate; a cutter support is sleeved on the output shaft, and when the driving motor drives the output shaft to rotate, the cutter support is configured to reciprocate in the axial direction of the output shaft; and a cutting knife is fixed on one side of the knife tool bracket, which is close to the bottom plate.

7. The PCB cutting device of claim 6, wherein the cutter bracket comprises a connecting part and an extending part, the connecting part is slidably connected with the second slide bar and the second guide rail, one end of the extending part is connected with the connecting part, and the other end of the extending part is obliquely arranged towards one side close to the bottom plate; the cutting knife is fixed at one end of the extending part close to the bottom plate.