CN220915107U - On-board stepping motor driver - Google Patents

Abstract

The utility model discloses an onboard stepping motor driver, and belongs to the technical field of stepping motor driving and mounting. The circuit board comprises a circuit board, wherein the side surface of the circuit board is connected with a motor interface, and the motor interface is connected with a connecting wire. The stepping motor is connected with a fixed plate, the other end of the connecting wire is connected with a motor interface positioned on the side face of the fixed plate, and the lower end of the circuit board is connected with a splicing device. The circuit board downside is connected with many extension bars, and first recess has all been seted up to many extension bars, and flexible piece one end is located first recess and with first recess sliding connection. The first spring is located between the first groove and the telescopic block, a plurality of second grooves are formed in the upper portion of the fixing plate, and the second grooves are arranged corresponding to the extension rods. A third groove is formed in the inner wall of the second groove, and the fixing block and the third groove are correspondingly arranged. The stay cord is located the expansion block outside and with expansion block sliding connection. The problem that the existing driver is usually fixed and connected, so that the driver is inconvenient to detach and replace, and the installation steps are too complicated is solved.

Description

On-board stepping motor driver

Technical Field

The utility model belongs to the technical field of stepping motor drive installation, and particularly relates to an on-board stepping motor driver.

Background

The current stepping motor driver is connected with the stepping motor by adopting a plug-in type wiring terminal connection mode, and the wiring mode is complex; when in installation, the stepping motor and the driver are required to be respectively and independently installed, so that the difficulty of layout and wiring is increased; the existing stepping motor driver is controlled by adopting pulse signals (PWM), and cannot meet the requirement of simultaneously controlling a plurality of stepping motors. Meanwhile, when drivers of different types need to be replaced, the existing drivers are usually fixedly connected, so that the drivers are inconvenient to detach and replace, and the installation steps are too complicated.

Disclosure of Invention

Accordingly, the present utility model is directed to an on-board stepper motor driver to solve the problems that the existing driver is usually fixed and connected, and is inconvenient to detach and replace, and the mounting steps are too complicated.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model discloses a board-mounted stepping motor driver, which comprises a circuit board, wherein the side surface of the circuit board is connected with a motor interface, the motor interface is connected with a connecting wire, the stepping motor is connected with a fixed plate, the other end of the connecting wire is connected with a motor interface positioned on the side surface of the fixed plate, the lower end of the circuit board is connected with a splicing device, and the splicing device comprises: extension rod, first spring, expansion block, fixed block and stay cord, the circuit board downside is connected with many extension rods, and is many the first recess has all been seted up to the extension rod, expansion block one end is located first recess and with first recess sliding connection, first spring is located between first recess and the expansion block, a plurality of second recesses have been seted up on fixed plate upper portion, and is a plurality of the second recess corresponds the setting with the extension rod, the third recess has been seted up to second recess inner wall, the fixed block is located the expansion block outside, the fixed block is corresponding the setting with the third recess, the stay cord is located the expansion block outside and with expansion block sliding connection, the stay cord is connected with tightening means.

Further, the tightening device includes: the device comprises a pressing rod, a pressing plate, a fixing shell and a second spring, wherein one end of a pull rope is fixedly connected with the fixing shell, the other end of the pull rope penetrates through the fixing shell and is in sliding connection with the fixing shell, the pressing plate is located in the fixing shell and is in sliding connection with the fixing shell, one end of the pressing rod penetrates through the fixing shell and is fixedly connected with the pressing plate, the other end of the pressing rod extends out of the fixing shell, and the second spring is located between the pressing plate and the fixing shell.

Further, the outside of the telescopic block is connected with a fixed ring, and the pull rope penetrates through the fixed ring and is in sliding connection with the fixed ring.

Further, the upper part of the circuit board is connected with a key interface and a bus interface.

Further, the upper portion of the circuit board is connected with a protection plate, and a notch is formed in the protection plate.

Further, the circuit board is connected with a control chip.

Further, a driving chip is connected to the circuit board.

The utility model has the beneficial effects that:

According to the on-board stepping motor driver, the circuit board can be quickly installed with the motor through the assembling device, and the on-board stepping motor driver is convenient to detach and improves the installation efficiency; the telescopic block is retracted into the first groove by pulling the pull rope, at the moment, the extension rod is inserted into the second groove, the first spring of the pull rope is loosened to drive the telescopic block to reset with the fixed block, and the fixed block stretches into the third groove to fix the circuit board, so that the purpose of quickly installing the circuit board is achieved; the length of the pull rope is adjusted through the tightening device, so that the pull rope controls the extension block to extend out.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:

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

FIG. 2 is a schematic diagram of components such as a circuit board of the present utility model;

FIG. 3 is a schematic view of the pull cord and other components of the present utility model;

FIG. 4 is a partial view of a splice device of the present utility model;

FIG. 5 is a cross-sectional view of the tightening device of the present utility model.

The figures are marked as follows: 1. a circuit board; 2. a motor interface; 3. a connecting wire; 4. a fixing plate; 5. a stepping motor; 6. a splicing device; 61. an extension rod; 62. a telescopic block; 63. a pull rope; 64. a first spring; 65. a fixed block; 7. a second groove; 8. a tightening device; 81. a fixed case; 82. pressing a pressing rod; 83. a pressing plate; 84. a second spring; 9. a fixing ring; 10. a bus interface; 11. a key interface; 12. a protection plate; 13. a notch; 14. a control chip; 15. a driving chip; 16. a third groove; 17. a first groove.

Detailed Description

As shown in fig. 1-4, the on-board stepper motor driver comprises a circuit board 1, wherein a motor interface 2 is connected to the side surface of the circuit board 1, a connecting wire 3 is connected to the motor interface 2, a fixed plate 4 is connected to a stepper motor 5, the other end of the connecting wire 3 is connected to the motor interface 2 located on the side surface of the fixed plate 4, and the stepper motor 5 is electrified through the motor interface 2. The upper part of the circuit board 1 is connected with a key interface 11 and a bus interface 10, and the key interface 11 can be electrically connected with the bus interface 10. The upper part of the circuit board 1 is connected with a protection plate 12, and the protection plate 12 is used for preventing the impact of the outside on the circuit board 1. The protection plate 12 is provided with a notch 13 for connection. The circuit board 1 is connected with a control chip 14, and the control chip 14 is used for giving instructions to the stepping motor 5. The circuit board 1 is connected with a driving chip 15 to start or stop the motor. The lower extreme of circuit board 1 is connected with the splicing apparatus 6 that is used for the quick connect stepper motor 5, splicing apparatus 6 includes: extension rod 61, first spring 64, expansion block 62, fixed block 65 and pull cord 63. The circuit board 1 downside is connected with many extension bars 61, and is many extension bars 61 have all seted up first recess 17, flexible piece 62 one end is located first recess 17 and with first recess 17 sliding connection, first recess 17 width is greater than flexible piece 62. The first spring 64 is located between the first groove 17 and the telescopic block 62, and the first spring 64 is in a normal state of being stretched so that one end of the telescopic block 62 extends out of the first groove 17. The upper part of the fixing plate 4 is provided with a plurality of second grooves 7, a plurality of second grooves 7 are correspondingly arranged with the extension rods 61, and the diameter of each second groove 7 is larger than that of each extension rod 61, so that each extension rod 61 can extend into each second groove 7. The inner wall of the second groove 7 is provided with a third groove 16, the fixed block 65 is positioned at the outer side of the telescopic block 62, the fixed block 65 is correspondingly arranged with the third groove 16, and the fixed block 65 can extend into the third groove 16 so as to fix the extension rod 61. The stay cord 63 is located the flexible piece 62 outside and with flexible piece 62 sliding connection, flexible piece 62 outside is connected with retainer plate 9, stay cord 63 wears to establish retainer plate 9 and with retainer plate 9 sliding connection, through retainer plate 9 in order to prevent stay cord 63 landing, pulls stay cord 63 and makes flexible piece 62 shrink to in the first recess 17. The pull rope 63 is connected with a tightening device 8 for tightening the pull rope 63.

As shown in fig. 1 to 5, the tightening device 8 includes: a pressing lever 82, a pressing plate 83, a fixing case 81, and a second spring 84. One end of the pull rope 63 is fixedly connected with the fixed shell 81, the other end of the pull rope 63 penetrates through the fixed shell 81 and is in sliding connection with the fixed shell 81, and the pull rope 63 is pulled to retract the pull rope 63 so that the telescopic block 62 is retracted into the first groove 17. The pressing plate 83 is located in the fixing shell 81 and is slidably connected with the fixing shell 81, one end of the pressing rod 82 penetrates through the fixing shell 81 and is fixedly connected with the pressing plate 83, and the pulling rope 63 is fixed through the pressing plate 83. The other end of the pressing rod 82 extends out of the fixing shell 81, and the pressing rod 82 enables the pressing plate 83 not to contact the pull rope 63 any more, so that the pull rope 63 is loosened. The second spring 84 is located between the pressing plate 83 and the fixing case 81, and the pressing plate 83 is pressed by the second spring 84.

The working process of the scheme comprises the following steps: when the circuit board 1 is required to be mounted on the rear side of the stepping motor 5, the pressing rod 82 is pressed to enable the pressing plate 83 not to abut against the pull rope 63 any more, and at the moment, the pull rope 63 is pulled, and the pull rope 63 drives the telescopic block 62 to retract into the first groove 17. At this time, the extension rod 61 is inserted into the second groove 7, the pull rope 63 is loosened to enable the first spring 64 to drive the telescopic block 62 to reset, and the fixing block 65 extends into the third groove 16 to fix the circuit board 1. After the circuit board 1 is installed, the motor interface 2 is connected through the connecting wire 3, so that the circuit board 1 can control the stepping motor 5. When the circuit board 1 needs to be disassembled, the pressing rod 82 is pressed to enable the pressing plate 83 not to abut against the pull rope 63 any more, and at the moment, the pull rope 63 is pulled, and the pull rope 63 drives the telescopic block 62 to retract into the first groove 17. At this time, the extension rod 61 is pulled out of the second groove 7, so as to achieve the effect of quick disassembly.

The scheme has the beneficial effects that: the circuit board 1 can be quickly installed with the motor through the assembling device, and the assembling device is convenient to detach, so that the installation efficiency is improved; the telescopic block 62 is retracted into the first groove 17 by pulling the pull rope 63, at the moment, the extension rod 61 is inserted into the second groove 7, the first spring 64 of the pull rope 63 is loosened to drive the telescopic block 62 to reset with the fixed block 65, and the fixed block 65 stretches into the third groove 16 to fix the circuit board 1, so that the purpose of rapidly installing the circuit board 1 is achieved; the length of the pull rope 63 is adjusted by the tightening device 8, so that the pull rope 63 controls the extension of the telescopic block 62.

Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.

Claims (7)

1. An on-board stepper motor driver, characterized in that: including circuit board (1) and step motor (5), circuit board (1) side is connected with motor interface (2), motor interface (2) are connected with connecting wire (3), step motor (5) are connected with fixed plate (4), the connecting wire (3) other end be connected with be located motor interface (2) of fixed plate (4) side, circuit board (1) lower extreme is connected with splicing apparatus (6), splicing apparatus (6) include: extension pole (61), first spring (64), telescopic block (62), fixed block (65) and stay cord (63), circuit board (1) downside is connected with many extension poles (61), many first recess (17) have all been seted up to extension pole (61), telescopic block (62) one end is located first recess (17) and with first recess (17) sliding connection, first spring (64) are located between first recess (17) and telescopic block (62), a plurality of second recesses (7) have been seted up on fixed plate (4) upper portion, a plurality of second recesses (7) correspond the setting with extension pole (61), third recess (16) have been seted up to second recess (7) inner wall, fixed block (65) are located telescopic block (62) outside, fixed block (65) are corresponding with third recess (16) and set up, stay cord (63) are located telescopic block (62) outside and with telescopic block (62) sliding connection, tightening means (8) are connected with stay cord (63).

2. An on-board stepper motor driver as defined in claim 1, wherein: the tightening device (8) comprises: pressing rod (82), clamp plate (83), fixed shell (81) and second spring (84), stay cord (63) one end and fixed shell (81) fixed connection, stay cord (63) other end wear to establish fixed shell (81) and with fixed shell (81) sliding connection, clamp plate (83) are located fixed shell (81) and with fixed shell (81) sliding connection, pressing rod (82) one end wear to establish fixed shell (81) and with clamp plate (83) fixed connection, pressing rod (82) other end extends fixed shell (81), second spring (84) are located between clamp plate (83) and fixed shell (81).

3. An on-board stepper motor driver as defined in claim 1, wherein: the outside of the telescopic block (62) is connected with a fixed ring (9), and the pull rope (63) passes through the fixed ring (9) and is in sliding connection with the fixed ring (9).

4. An on-board stepper motor driver as defined in claim 1, wherein: the upper part of the circuit board (1) is connected with a key interface (11) and a bus interface (10).

5. An on-board stepper motor driver as defined in claim 1, wherein: the upper portion of the circuit board (1) is connected with a protection plate (12), and a notch (13) is formed in the protection plate (12).

6. An on-board stepper motor driver as defined in claim 1, wherein: the circuit board (1) is connected with a control chip (14).

7. An on-board stepper motor driver as defined in claim 1, wherein: the circuit board (1) is connected with a driving chip (15).