Portable CNC track drill and control method thereof

Abstract

The present invention discloses a portable CNC rail drill and a control method thereof. The portable CNC rail drill includes a main body, a drilling device, and a positioning assist mechanism, the drilling device and positioning assist mechanism being mounted on the main body. The main body is provided with a push rod, a clamping mechanism, and a sliding mechanism. One end of the push rod is mounted on the main body, and the clamping mechanism is mounted on the bottom of the main body and can clamp the rail. The drilling device is mounted on the sliding mechanism and can slide along a set trajectory. The drilling device includes a drill assembly, a drive mechanism, and a transmission mechanism. The output shaft of the drive mechanism is connected to the transmission mechanism, which is connected to the drill assembly, and the drill assembly can rotate under the drive of the drive mechanism. The positioning assist mechanism is mounted on one side of the drilling device and is configured to emit light, the center of which corresponds to the drilling center of the drill assembly. The portable CNC rail drill proposed by the present invention can reduce work intensity, save manpower and material resources, and improve drilling accuracy and work efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of drilling tools and relates to a rail drilling tool, in particular to a portable numerically controlled rail drill and a control method thereof. Background Art

[0002] A rail drill is a tool for drilling holes in rails. Existing rail drills have the following drawbacks:

[0003] (1) Only one hole can be drilled at a time; the track drill can only drill one hole each time it is fixed. When the position is changed, it needs to be fixed again and the next hole needs to be drilled.

[0004] (2) The center is unstable and easy to deviate when it is clamped on one side; the power unit and drilling device are offset to one side, the center of gravity is not on the rail, and it is difficult to maintain balance.

[0005] (3) Railways of different specifications require different fixing blocks, which is cumbersome to operate and requires many accessories. 50-gauge and 60-gauge rails are commonly used, and different specifications of rails require different fixing blocks to ensure the fixing effect.

[0006] (4) It cannot be pushed on the track and needs to be transported; the rails are drilled with one or more holes at a certain interval, and the track drill has no moving device and requires tools to be transported.

[0007] In view of this, there is an urgent need to design a new rail boring tool so as to overcome at least some of the above-mentioned defects of the existing rail boring tools. Summary of the Invention

[0008] The present invention provides a portable numerically controlled rail drill and a control method thereof, which can reduce work intensity, save manpower and material resources, and improve drilling accuracy and work efficiency.

[0009] In order to solve the above technical problems, according to one aspect of the present invention, the following technical solution is adopted:

[0010] A portable CNC rail drill, comprising a body, a drilling device and a positioning auxiliary mechanism, wherein the drilling device and the positioning auxiliary mechanism are arranged on the body;

[0011] The fuselage is provided with a push rod, a clamping mechanism, and a sliding mechanism; one end of the push rod is provided on the fuselage, the clamping mechanism is provided on the bottom of the fuselage and can clamp the track; the drilling device is provided on the sliding mechanism and can slide along a set track;

[0012] The drilling device includes a drill bit assembly, a driving mechanism, and a transmission mechanism. The output shaft of the driving mechanism is connected to the transmission mechanism, and the transmission mechanism is connected to the drill bit assembly. The drill bit assembly can rotate under the drive of the driving mechanism.

[0013] The positioning auxiliary mechanism is arranged on one side of the drilling device to assist the drilling device in locating the drilling position.

[0014] As an embodiment of the present invention, the positioning auxiliary mechanism is provided on one side of the drilling device for emitting light, and the center of the emitted light corresponds to the drilling center of the drill assembly.

[0015] As an embodiment of the present invention, the positioning auxiliary mechanism includes an infrared light emitter.

[0016] As an embodiment of the present invention, the positioning auxiliary mechanism includes a camera mechanism, an image processing module, a comparison database, an image comparison module, and a movement parameter determination module;

[0017] The camera is configured to acquire an image of a set location;

[0018] The image processing module is used to process the image acquired by the camera;

[0019] The comparison database is used to store the images to be compared and the movement parameters corresponding to each image;

[0020] The image comparison module is used to compare the image processed by the image processing module with the images in the comparison database to obtain an image that meets the set standard;

[0021] The hole position determination module is used to determine movement parameters according to the comparison result of the image comparison module. The movement parameters include the required moving distance and the moving direction.

[0022] As an embodiment of the present invention, the image processing module is used to obtain the number of pixels between the center position of the image taken by the camera mechanism and the first hole position in the image; the data stored in the comparison database includes the number of pixels between the center position of the image and the first hole position in the image and the corresponding movement distance data.

[0023] As an embodiment of the present invention, the positioning auxiliary mechanism includes: a camera mechanism, a mathematical model building module, and a moving distance generating module;

[0024] The camera is configured to acquire an image of a set location;

[0025] The mathematical model building module is used to conduct autonomous learning based on the historical data captured by the camera mechanism and the corresponding movement distance, thereby building a corresponding mathematical model;

[0026] The moving distance generating module inputs the image captured by the camera mechanism into the mathematical model established by the mathematical model establishing module to obtain the distance data required to be moved.

[0027] As an embodiment of the present invention, the fuselage is provided with a brake mechanism.

[0028] As an embodiment of the present invention, the fuselage is connected to a push rod, the fuselage is provided with a push rod fixing seat, and the push rod is arranged through the push rod fixing seat.

[0029] As an embodiment of the present invention, the driving mechanism includes an internal combustion engine power system.

[0030] As an embodiment of the present invention, the portable CNC rail drill further includes a drill bit precision movement drive mechanism, which is connected to the drill bit assembly and can drive the drill bit assembly to move a set distance.

[0031] As an embodiment of the present invention, the drill bit assembly includes a drill bit, a cooling medium flow channel is provided in the drill bit, and one end of the cooling medium flow channel is provided at the head of the drill bit; the portable CNC rail drill includes a drill bit cooling system;

[0032] The drill bit cooling system includes a cooling pipeline, a cooling medium container, a cooling medium driving mechanism, and a cooling medium driving control circuit;

[0033] The cooling medium container is connected to the cooling medium flow channel through a cooling pipeline, and the cooling medium drive control circuit is connected to the cooling medium drive mechanism to control the cooling medium drive mechanism to transport the cooling medium in the cooling medium container to the cooling medium flow channel of the drill bit through the cooling pipeline.

[0034] According to another aspect of the present invention, the following technical solution is adopted: a control method of the above-mentioned portable CNC rail drill, the control method comprising the following steps:

[0035] The control system controls the drilling device to drill a hole at a first position of the first rail to form a first hole position;

[0036] The drilling device is driven by a precise movement drive mechanism of the drill head to move a set distance to drill a hole on the first rail at a set distance from the first position; the holes are drilled in this manner so that a preset number of holes are drilled in the set area of ​​the first rail;

[0037] moving the portable CNC rail drill to a second rail opposite to the first rail, near a position on the second rail opposite to the first hole position of the first rail;

[0038] Acquire images of each hole position of the first rail by a camera mechanism;

[0039] performing setting processing on the image acquired by the camera mechanism;

[0040] Comparing the processed image with images in a comparison database to obtain an image that meets the set standard; the comparison database stores the images to be compared and the movement parameters corresponding to each image;

[0041] Determine movement parameters according to the comparison results, wherein the movement parameters include the required movement distance and the movement direction;

[0042] The drilling device is driven by a mobile driving mechanism to move a movement distance corresponding to the movement parameter; the image of each hole position of the first rail is again acquired by a camera mechanism, and the images are processed and compared to obtain the corresponding movement parameters, until the movement distance corresponding to the movement parameter is 0, indicating that the drilling device is in the correct position;

[0043] The control system controls the drilling device to drill a hole to form a second hole position;

[0044] The drilling device is driven to move a set distance by the precise movement drive mechanism of the drill bit, and a hole is drilled on the second rail at a set distance from the second hole position; by drilling in this way, the number of holes drilled in the set area of ​​the second rail reaches a preset number, completing the drilling work at that location.

[0045] The beneficial effects of the present invention are as follows: the portable CNC track drill and the control method thereof proposed in the present invention can reduce work intensity, save manpower and material resources, and improve drilling accuracy and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 Schematic diagram of the composition of a portable CNC rail drill according to one embodiment of the present invention.

[0047] Figure 2 Schematic diagram of the structure of a portable CNC rail drill in one embodiment of the present invention.

[0048] Figure 3 Schematic diagram of the structure of a portable CNC rail drill in one embodiment of the present invention.

[0049] Figure 4 Schematic diagram of the composition of the positioning auxiliary mechanism in one embodiment of the present invention.

[0050] Figure 5 Schematic diagram of the composition of the positioning auxiliary mechanism in one embodiment of the present invention. DETAILED DESCRIPTION

[0051] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0052] In order to further understand the present invention, preferred embodiments of the present invention are described below in conjunction with examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0053] The description in this section is only for several typical embodiments, and the present invention is not limited to the scope of the embodiments described. The same or similar existing technical means and some technical features of the embodiments are mutually replaced within the scope of the description and protection of the present invention.

[0054] The term “connection” in the specification includes both direct connection and indirect connection.

[0055] The present invention discloses a portable numerically controlled track drill. Figure 1 Schematic diagram of the composition of a portable CNC rail drill according to one embodiment of the present invention. Figure 2 、 Figure 3 This is a schematic diagram of the structure of a portable CNC rail drill according to an embodiment of the present invention; Figures 1 to 3 The portable CNC rail drill includes a body 1, a drilling device 2, and a positioning assist mechanism 3, wherein the drilling device 2 and the positioning assist mechanism 3 are disposed on the body 1. In one embodiment, the portable CNC rail drill further includes a control system 4, which is connected to the body 1, the drilling device 2, and the positioning assist mechanism 3 respectively.

[0056] In addition, the portable CNC rail drill may further include a drill bit precise movement driving mechanism 5 , which is connected to the drill bit assembly 201 and can drive the drill bit assembly 201 to move a set distance.

[0057] The body 1 is equipped with a clamping mechanism 101 and a sliding mechanism 102. The clamping mechanism 101 is located at the bottom of the body and can clamp the rail. The drilling device 2 is located on the sliding mechanism 102 and can slide along a set track. In one embodiment, the clamping mechanism 101 includes two sets of rail clamping mechanisms 1011 and a clamping shaft 1012. The ends of the clamping shaft 1012 are connected to a set of rail clamping mechanisms 1011. Each set of rail clamping mechanisms 1011 includes two clamping claws, which are controlled by the clamping shaft 1012 to clamp and release.

[0058] The drilling device 2 includes a drill bit assembly 201 , a driving mechanism 202 , and a transmission mechanism. The output shaft of the driving mechanism 202 is connected to the transmission mechanism, and the transmission mechanism is connected to the drill bit assembly 201 . The drill bit assembly can rotate under the drive of the driving mechanism 202 .

[0059] The drive mechanism 202 may include an internal combustion engine power system; however, an electric motor connected to a battery may also be used. The internal combustion engine power system may provide power to the entire portable CNC rail drill, or a power module such as a lithium battery may be used to provide the required power to the portable CNC rail drill.

[0060] The drill bit assembly 201 may include a drill bit having a cooling medium flow channel therein, one end of which is disposed at the head of the drill bit; the portable CNC rail drill includes a drill bit cooling system. The drill bit cooling system includes a cooling pipeline, a cooling medium container, a cooling medium drive mechanism, and a cooling medium drive control circuit. The cooling medium container is connected to the cooling medium flow channel via a cooling pipeline, and the cooling medium drive control circuit is connected to the cooling medium drive mechanism, which controls the cooling medium drive mechanism to transport the cooling medium in the cooling medium container to the cooling medium flow channel of the drill bit via the cooling pipeline. The cooling medium container may be disposed on a platform; the platform may be provided with a pulley that can be connected to the main body of the portable CNC rail drill and can follow the main body of the portable CNC rail drill in its forward motion.

[0061] The positioning assist mechanism 3 is disposed on one side of the drilling device 2 to assist the drilling device 2 in locating the drilling position. In one embodiment of the present invention, the positioning assist mechanism 3 is configured to emit light, the center of which corresponds to the drilling center of the drill head assembly 2. In one embodiment, the positioning assist mechanism 3 includes an infrared light emitter.

[0062] The machine body 1 may also be provided with a brake mechanism 103; the brake mechanism 103 may be a manual brake device or an electronically controlled brake device. Furthermore, the machine body 1 may be connected to a push rod, which is provided with a push rod mounting bracket, and the push rod is mounted via the push rod mounting bracket. The push rod allows a worker to propel the portable CNC rail drill.

[0063] Figure 4 This is a schematic diagram of the positioning auxiliary mechanism in one embodiment of the present invention; please refer to Figure 4 In one embodiment of the present invention, the positioning assistance mechanism 3 (or it can be called a positioning assistance module) includes a camera mechanism 301, an image processing module 302, a comparison database 303, an image comparison module 304, and a movement parameter determination module 305.

[0064] The camera mechanism 301 is used to acquire an image at a set position; the image processing module 302 is used to process the image acquired by the camera mechanism; and the comparison database 303 is used to store images to be compared and movement parameters corresponding to each image.

[0065] The image comparison module 304 is used to compare the image processed by the image processing module with the images in the comparison database to obtain an image that meets a set standard.

[0066] The hole position determination module 305 is used to determine movement parameters according to the comparison result of the image comparison module. The movement parameters include the required moving distance and the moving direction.

[0067] In one embodiment, the image processing module 304 is used to obtain the number of pixels from the center position of the image captured by the camera mechanism to the first hole position in the image (it can also be the ratio of the corresponding distance to the length of the line in the corresponding direction of the entire image); the data stored in the comparison database 303 includes the number of pixels from the center position of the image to the first hole position in the image and the corresponding movement distance data.

[0068] Figure 5 This is a schematic diagram of the positioning auxiliary mechanism in one embodiment of the present invention; please refer to Figure 5 In one embodiment of the present invention, the positioning assist mechanism 3 includes: a camera mechanism 301, a mathematical model building module 306, and a movement distance generation module 307. The camera mechanism 301 is used to capture images of a set location; the mathematical model building module 306 is used to autonomously learn from historical data captured by the camera mechanism 301 and the corresponding movement distances, thereby establishing a corresponding mathematical model. The movement distance generation module 307 inputs the images captured by the camera mechanism 301 into the mathematical model established by the mathematical model building module to obtain the required movement distance data.

[0069] The present invention further discloses a control method for the portable CNC rail drill, the control method comprising the following steps:

[0070] [Step S1] The control system controls the drilling device to drill a hole at a first position on the first rail to form a first hole position;

[0071] [Step S2] The drilling device is driven by a precise drill movement drive mechanism to move a set distance, thereby drilling a hole on the first rail at a set distance from the first position; the holes are drilled in this manner so that a predetermined number of holes are drilled in the set area of ​​the first rail;

[0072] [Step S3] Moving the portable CNC rail drill to a second rail opposite to the first rail, close to a position on the second rail opposite to the first hole position of the first rail;

[0073] [Step S4] Acquire images of each hole position of the first rail by a camera mechanism;

[0074] [Step S5] performing setting processing on the image acquired by the imaging mechanism;

[0075] [Step S6] Comparing the processed image with images in a comparison database to obtain an image that meets a set standard; the comparison database stores the images to be compared and the movement parameters corresponding to each image;

[0076] [Step S7] Determine movement parameters based on the comparison results, wherein the movement parameters include the required movement distance and movement direction;

[0077] [Step S8] driving the drilling device by the movement drive mechanism to move the movement distance corresponding to the movement parameter; again acquiring images of the respective hole positions of the first rail by the camera mechanism, processing and comparing the images to obtain corresponding movement parameters, until the movement distance corresponding to the movement parameter reaches 0, indicating that the drilling device is in the correct position;

[0078] [Step S9] The control system controls the drilling device to drill a hole to form a second hole position;

[0079] [Step S10] The drilling device is driven to move a set distance by the precise movement drive mechanism of the drill bit, and a hole is drilled on the second rail at a set distance from the second hole position; the holes are drilled in this manner so that the number of holes drilled in the set area of ​​the second rail reaches a preset number, thereby completing the drilling work at that location.

[0080] In summary, the portable CNC rail drill and the control method thereof proposed in the present invention can reduce work intensity, save manpower and material resources, and improve drilling accuracy and work efficiency.

[0081] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0082] The description and application of the present invention here are illustrative and are not intended to limit the scope of the present invention to the above-described embodiments. The effects or advantages involved in the embodiments may not be embodied in the embodiments due to interference from various factors, and the description of the effects or advantages is not used to limit the embodiments. Variations and changes to the embodiments disclosed here are possible, and the replacement of the embodiments and various equivalent components are well known to those of ordinary skill in the art. It should be clear to those skilled in the art that the present invention can be implemented in other forms, structures, arrangements, proportions, and with other components, materials, and parts without departing from the spirit or essential characteristics of the present invention. Other variations and changes can be made to the embodiments disclosed here without departing from the scope and spirit of the present invention.

Claims

1. A control method for a portable CNC rail drill, characterized in that: The portable CNC rail drill comprises a body, a drilling device and a positioning auxiliary mechanism, wherein the drilling device and the positioning auxiliary mechanism are arranged on the body; The fuselage is provided with a push rod, a clamping mechanism, and a sliding mechanism; one end of the push rod is provided on the fuselage, the clamping mechanism is provided on the bottom of the fuselage and can clamp the track; the drilling device is provided on the sliding mechanism and can slide along a set track; The drilling device includes a drill bit assembly, a driving mechanism, and a transmission mechanism. The output shaft of the driving mechanism is connected to the transmission mechanism, and the transmission mechanism is connected to the drill bit assembly. The drill bit assembly can rotate under the drive of the driving mechanism. The positioning auxiliary mechanism is provided on one side of the drilling device to assist the drilling device in locating the drilling position; The positioning auxiliary mechanism includes a camera mechanism, an image processing module, a comparison database, an image comparison module, and a movement parameter determination module; The camera is configured to acquire an image of a set location; The image processing module is used to process the image acquired by the camera; The comparison database is used to store the images to be compared and the movement parameters corresponding to each image; The image comparison module is used to compare the image processed by the image processing module with the images in the comparison database to obtain an image that meets the set standard; The movement parameter determination module is used to determine the movement parameters according to the comparison result of the image comparison module, and the movement parameters include the distance to be moved and the direction of movement; The portable CNC rail drill further comprises a drill bit precision movement drive mechanism, the drill bit precision movement drive mechanism being connected to the drill bit assembly and capable of driving the drill bit assembly to move a set distance; The control method comprises the following steps: The control system controls the drilling device to drill a hole at a first position of the first rail to form a first hole position; The drilling device is driven by a precise movement drive mechanism of the drill head to move a set distance to drill a hole on the first rail at a set distance from the first position; the holes are drilled in this manner so that a preset number of holes are drilled in the set area of ​​the first rail; moving the portable CNC rail drill to a second rail opposite to the first rail, near a position on the second rail opposite to the first hole position of the first rail; Acquire images of each hole position of the first rail by a camera mechanism; performing setting processing on the image acquired by the camera mechanism; Comparing the processed image with images in a comparison database to obtain an image that meets the set standard; the comparison database stores the images to be compared and the movement parameters corresponding to each image; Determine movement parameters according to the comparison results, wherein the movement parameters include the required movement distance and the movement direction; The drilling device is driven by a mobile driving mechanism to move a movement distance corresponding to the movement parameter; the image of each hole position of the first rail is again acquired by a camera mechanism, and the images are processed and compared to obtain the corresponding movement parameters, until the movement distance corresponding to the movement parameter is 0, indicating that the drilling device is in the correct position; The control system controls the drilling device to drill a hole to form a second hole position; The drilling device is driven to move a set distance by the precise movement drive mechanism of the drill bit, and a hole is drilled on the second rail at a set distance from the second hole position; by drilling in this way, the number of holes drilled in the set area of ​​the second rail reaches a preset number, completing the drilling work at that location.

2. The control method according to claim 1, wherein: The image processing module is used to obtain the number of pixels from the center position of the image taken by the camera mechanism to the first hole position in the image; the data stored in the comparison database includes the number of pixels from the center position of the image to the first hole position in the image and the corresponding movement distance data.

3. The portable CNC rail drill according to claim 1, characterized in that: The fuselage is provided with a brake mechanism; the driving mechanism includes an internal combustion engine power system; The fuselage is connected with a push rod, and the fuselage is provided with a push rod fixing seat, and the push rod is arranged through the push rod fixing seat.

4. The portable CNC rail drill according to claim 1, characterized in that: The drill bit assembly includes a drill bit, a cooling medium flow channel is provided in the drill bit, and one end of the cooling medium flow channel is provided at the head of the drill bit; the portable CNC rail drill includes a drill bit cooling system; The drill bit cooling system includes a cooling pipeline, a cooling medium container, a cooling medium driving mechanism, and a cooling medium driving control circuit; The cooling medium container is connected to the cooling medium flow channel through a cooling pipeline, and the cooling medium drive control circuit is connected to the cooling medium drive mechanism to control the cooling medium drive mechanism to transport the cooling medium in the cooling medium container to the cooling medium flow channel of the drill bit through the cooling pipeline.

Images