CN215632811U - Drilling machine based on rolling linear feeding mechanism - Google Patents
Drilling machine based on rolling linear feeding mechanism Download PDFInfo
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- CN215632811U CN215632811U CN202122393372.3U CN202122393372U CN215632811U CN 215632811 U CN215632811 U CN 215632811U CN 202122393372 U CN202122393372 U CN 202122393372U CN 215632811 U CN215632811 U CN 215632811U
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- guide rail
- rolling
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- drilling machine
- feed mechanism
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Abstract
The utility model belongs to the technical field of drilling machines, and particularly discloses a drilling machine based on a rolling linear feeding mechanism, which comprises: the drilling unit comprises a drill rod and a power head for driving the drill rod to rotate; the rolling linear feeding unit comprises a guide rail seat, a guide rail and a moving piece, wherein the guide rail is rigidly connected to the guide rail seat, and the moving piece is connected to the guide rail in a rolling manner; the moving piece is rigidly connected with a carriage, and the power head is rigidly connected with the carriage; the guide rail seat is also provided with a driving component for driving the carriage to reciprocate along the guide rail. The rolling body and the guide rail are in point contact or line contact, so that the friction between the rolling body and the guide rail can be greatly reduced, and the moving smoothness of the feeding mechanism is improved; the rolling bodies which roll circularly can be stressed uniformly, the abrasion rate of the sliding block is reduced, and the overall service life is prolonged; the bearing capacity is compared in current feed mechanism and is promoted by a wide margin, can satisfy the requirement of big bearing, high accuracy, high speed.
Description
Technical Field
The utility model belongs to the technical field of drilling machines, and particularly relates to a drilling machine based on a rolling linear feeding mechanism.
Background
The drilling machine is a mechanical device which drives a drilling tool to drill underground to obtain real geological data in exploration or mineral resource (including solid ore, liquid ore, gas ore and the like) development, and the drilling machine drives a power head to reciprocate by means of a feeding mechanism so as to realize drilling.
At present, the matching modes between the power head and the guide rail of the existing drilling machine are sliding connection modes, for example, a double-guide-rail drilling machine propulsion device disclosed in CN209539287U, and a drilling machine double-cylinder propulsion mechanism based on a rolling linear feeding mechanism disclosed in CN213478246U, although the feeding mechanism in the above patent documents has the advantages of large stroke, strong adaptability and the like, the feeding mechanism also has the defects of large friction force, fast abrasion, low rigidity and the like, and the requirements of large bearing capacity, high precision and high speed of the drilling machine are difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rolling linear feeding mechanism with large bearing capacity, high precision and high speed.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a drilling rig based on a rolling linear feed mechanism comprising:
the drilling unit comprises a drill rod and a power head for driving the drill rod to rotate;
the rolling linear feeding unit comprises a guide rail seat, a guide rail and a moving piece, wherein the guide rail is rigidly connected to the guide rail seat, and the moving piece is connected to the guide rail in a rolling manner; the moving piece is rigidly connected with a carriage, and the power head is rigidly connected with the carriage; the guide rail seat is also provided with a driving component for driving the carriage to reciprocate along the guide rail.
Based on the scheme, the moving member is in rolling connection with the guide rail, the moving member and the guide rail are in line contact or point contact under the rolling connection structure, and when the driving assembly drives the power head and the drill rod to reciprocate for drilling, the contact area between the moving member and the guide rail is small, the friction resistance is small, and therefore the power head can easily perform linear motion with high precision with the guide rail.
Preferably, the moving member is provided with a rolling body, the guide rail is provided with a raceway adapted to the rolling body, the moving member is arranged on the guide rail, and the rolling body on the moving member is fitted in the raceway so that the moving member can move along the guide rail.
Preferably, the moving member comprises a sliding block, a circulation channel is arranged on the sliding block, a retainer is arranged in the circulation channel, and the rolling bodies are sequentially arranged on the retainer.
Preferably, the rolling elements are spherical balls or cylindrical rollers.
Preferably, the circulation channel comprises an inner channel and an outer channel, the ends of the inner channel and the outer channel are communicated, the inner channel is arranged in the sliding block, the outer channel is of a slotted structure, and one side of the outer channel, which is close to the guide rail, is slotted.
Preferably, the raceways include a support raceway facing upward and an auxiliary positioning raceway facing downward.
Preferably, the moving member comprises a sliding block, the rolling body is a roller rotatably mounted on the sliding block, and the roller is in rolling fit with the raceway.
Preferably, the moving member is further provided with a dustproof assembly and a lubricating assembly.
Preferably, the drive assembly is a cylinder assembly or a rack and pinion drive assembly or a chain drive assembly or a belt drive assembly or a ball screw assembly.
Preferably, the end of the guide rail is provided with a limiting component.
The beneficial effect of this scheme: the rolling body and the guide rail are in point contact or line contact, so that the friction between the rolling body and the guide rail can be greatly reduced, the moving smoothness of the feeding mechanism is improved, and the requirement of a drilling machine on high speed is met; the rolling bodies which roll circularly can be stressed uniformly, the abrasion rate of the sliding block is reduced, and the overall service life is prolonged; compared with the existing feeding mechanism, the bearing capacity is greatly improved, and the requirements of large bearing capacity, high precision and high speed of the drilling machine can be met.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a rolling linear feed unit of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of a moving member in the embodiment;
FIG. 5 is a sectional view of the moving part in embodiment 1;
FIG. 6 is a schematic view of a guide rail in embodiment 1;
FIG. 7 is a sectional view of the moving part in embodiment 2;
FIG. 8 is a sectional view of a moving member in embodiment 3.
Reference numerals in the drawings of the specification include: the drilling unit 100, the power head 101, the chuck 102, the dust cap 103, the guide holder 104, the rolling linear feeding unit 200, the guide rail holder 1, the guide rail 2, the carriage 3, the moving member 4, the roller 5, the limiting component 6, the mandrel 7, the raceway 21, the supporting raceway 211, the auxiliary positioning raceway 212, the slider 41, the circulation passage 42, the inner passage 421, the outer passage 422, the rolling body 43, the retainer 44, the sealing end cover 45 and the oil filling hole 46.
Detailed Description
Various embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Here, it is to be noted that, in the drawings, the same reference numerals are given to constituent parts having substantially the same or similar structures and functions, and repeated description thereof will be omitted. The term "sequentially comprising A, B, C, etc" merely indicates the order of the included elements A, B, C, etc. and does not exclude the possibility of including other elements between a and B and/or between B and C. The description of "first" and its variants is merely for distinguishing the components and does not limit the scope of the utility model, and "first" may be written as "second" and the like without departing from the scope of the utility model.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships.
Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to fig. 1 to 6.
Example 1
Referring to fig. 1-6, the present embodiment provides a drilling machine based on a rolling linear feed mechanism, comprising:
the drilling unit 100 comprises a drill rod and a power head 101 for driving the drill rod to rotate;
the rolling linear feeding unit 200 comprises a guide rail seat 1, a guide rail 2 and a moving member 4, wherein the guide rail 2 is rigidly connected to the guide rail seat 1, and the moving member 4 is connected to the guide rail 2 in a rolling manner; the moving piece 4 is rigidly connected with a carriage 3, and the power head 101 is rigidly connected with the carriage 3; the guide rail seat 1 is also provided with a driving component for driving the carriage 3 to reciprocate along the guide rail 2.
Based on the scheme, the principle of the utility model is that the moving member 4 is in rolling connection with the guide rail 2, the moving member 4 and the guide rail 2 are in line contact or point contact under the rolling connection structure, and when the driving assembly drives the power head 101 and the drill rod to reciprocate for drilling, the contact area between the moving member 4 and the guide rail 2 is small, and the friction resistance is small, so that the power head 101 can easily perform linear motion with high precision with the guide rail 2.
Referring to fig. 1, the boring unit 100 is provided on the rolling linear feed unit 200, and the boring bar is driven to reciprocate linearly by the rolling linear feed unit 200. The drilling unit 100 specifically includes a drill rod, a power head 101 and a guide seat 104, wherein the power head 101 includes components such as a rotary driving device, a gearbox, a main shaft and a chuck 102, the drill rod (not shown in the figure) is fixed on the power head 101 through the chuck 102, and the drill rod can be replaced as required, the rotary driving device is usually a hydraulic motor, when in use, the hydraulic motor transmits power to the main shaft through the gearbox, and the main shaft drives the chuck 102 and a drill bit to rotate together, so as to implement drilling operation. The guide seat 104 is fixedly installed at the front end of the guide rail seat 1 through fasteners such as screws, and the drill rod can axially move to penetrate through the guide seat 104, so that the drill rod cannot be deviated left and right during drilling operation.
Referring to fig. 2, the rail housing 1 is a generally steel member, such as a welding assembly selected for use in the present embodiment, and serves primarily as a support for the feed mechanism, providing support for the rail 2, power head 101, drive assembly, and the like.
Referring to fig. 2, the guide rail 2 is rigidly connected to the guide rail seat 1 by means of screws, welding, or the like, and is disposed along the axial direction of the guide rail seat 1. The number of the guide rails 2 is at least two, the number of the guide rails 2 in this embodiment is preferably two, and the two guide rails 2 are symmetrically arranged on two sides of the guide rail seat 1.
Referring to fig. 1, in the present embodiment, four moving members 4 are provided and are respectively mounted on the guide rails 2. Wherein, the moving member 4 includes a sliding block 41, the sliding block 41 is installed on the guide rail 2, specifically, referring to fig. 5, in this embodiment, the cross section of the guide rail 2 is similar to an i shape, and a sliding groove with a shape matched with the shape of the guide rail 2 is opened at the bottom of the sliding block 41. The slider 41 is provided with four circulation channels 42, the circulation channels 42 are arranged symmetrically left and right, the circulation channels 42 are divided into an inner channel 421 and an outer channel 422, the ends of the inner channel 421 and the outer channel 422 are respectively communicated, wherein the inner channel 421 is arranged in the slider 41, and the outer channel 422 is a slotted structure and is slotted on one side close to the guide rail 2.
In the present embodiment, the rolling elements 43 are spherical balls, and specifically, the rolling elements 43 are steel balls. The rolling bodies 43 are installed in the circulation channel 42 and can circularly roll along the circulation channel 42, and specifically, referring to fig. 4, a retainer 44 is installed in the circulation raceway 21, the retainer 44 is similar to the retainer 44 in a ball bearing structure, the rolling bodies 43 are sequentially installed on the retainer 44, the retainer 44 can ensure the distance between two adjacent rolling bodies 43, avoid interference between the rolling bodies 43, ensure smooth movement of the rolling bodies 43, and the retainer 44 can also avoid the rolling bodies 43 from falling off from the outer channel 422.
Referring to fig. 5 and 6, the guide rail 2 is provided with a raceway 21 at a position corresponding to the outer channel 422, the raceway 21 is an arc groove structure adapted to the shape of the rolling element 43, in this embodiment, the guide rail 2 is provided with four raceways 21, namely two supporting raceways 211 and two auxiliary positioning raceways 212, wherein the two supporting raceways 211 face upward, the two auxiliary positioning raceways 212 face downward, specifically, the upper side and the lower side of the left and right sides of the top of the guide rail 2 are provided with inclined surfaces, the two supporting raceways 211 are provided on the left and right inclined surfaces of the upper side of the guide rail 2, the inclination angle of the two supporting raceways 211 is 30-45 degrees, the two auxiliary positioning raceways 212 are provided on the inclined surfaces of the lower side of the top of the guide rail 2, and the depths of the supporting raceways 211 and the auxiliary positioning raceways 212 are 1/5-1/4 of the diameter of the rolling element 43, so as to increase the fitting depth of the rolling element 43 and the raceway 21, the rolling bodies 43 can be prevented from being easily disengaged from the raceways 21. When assembled, the four sets of rolling bodies 43 on the slider 41 are respectively inserted into the four raceways 21.
Referring to fig. 1 and 2, in the present embodiment, the carriage 3 is fixed to the four sliders 41 by screws, and the power head 101 is fixed to the carriage 3 by screws.
Referring to fig. 4, in some embodiments, the moving member 4 is further provided with a dust-proof assembly and a lubricating assembly, the dust-proof assembly includes end caps 45 fixedly mounted at two ends of the sliding block 41, and the end caps 45 are used for preventing foreign matters such as dust and impurities from entering the circulation channel 42 from two ends of the sliding block 41; the lubricating component comprises an oil filling hole 46 arranged on the sealing end cover 45, the inner end of the oil filling hole 46 is connected with the circulating channel 42, lubricating oil is filled into the circulating channel 42 through the oil filling hole 46 when lubrication is needed, and the lubricating component can also be an oil cup and the like.
In some embodiments, the driving assembly is disposed at the rear end of the guide rail seat 1, and is specifically a cylinder assembly, a rack and pinion assembly, a chain transmission assembly, a belt transmission assembly, a ball screw assembly, or the like, in this embodiment, the driving assembly is preferably a cylinder assembly, a cylinder portion of the cylinder assembly is fixed on the guide rail seat 1 by a connecting member such as a screw, and an output shaft portion of the cylinder assembly is fixedly connected with the bottom of the carriage 3.
Referring to fig. 1 and 2, in some embodiments, the end portion of the guide rail seat 1 is provided with a limiting assembly 6, the limiting assembly 6 is specifically a limiting clamping block or a clamping plate, or the guide rail 2 is embedded into the guide rail seat 1, so that the moving member cannot slide out from the end portion of the guide rail 2, and the limiting assembly 6 is used for preventing the carriage 3 (and the drilling machine power head 101 connected thereto) from falling off from the two ends of the guide rail 2 when the carriage 3 and the driving assembly fail.
Referring to fig. 1 and 2, in some embodiments, a dust cover 103 is further fixedly mounted on the guide rail seat 1, and the dust cover 103 is located between the guide seat 104 and the guide rail 2.
Example 2
The present embodiment differs from embodiment 1 in that the structures of the rolling elements 43, the raceways 21 and the circulation channels 42 are different, specifically, referring to fig. 7, the rolling elements 43 are cylindrical rollers in the present embodiment, and correspondingly, the structures of the cage 44 and the circulation channels 42 are adapted to the rollers. In this embodiment, the supporting raceway 211 is disposed on an upper inclined surface of a lower portion of the guide rail 2, and the auxiliary positioning raceway 212 is disposed on a lower inclined surface of an upper portion of the guide rail 2. In this embodiment, the cylindrical roller is used instead of the ball, and the point contact of the ball is changed into the line contact, so that the contact area between the guide rail 2 and the rolling body 43 is increased, and the bearing capacity of the feeding mechanism is further improved.
Example 3
The present embodiment differs from embodiment 1 in that the rolling bodies 43, the raceways 21 and the guide rails 2 have different structures, specifically, referring to fig. 8, in the present embodiment, the slider 41 has a hollow housing structure, the rolling bodies 43 are two sets of rollers 5 rotatably mounted inside the slider 41 by the mandrel 7, and the guide rails 2 are located between the two sets of rollers 5. Referring to fig. 8, the cross section of the end of the roller 5 is W-shaped in the present embodiment, and the cross sections of both sides of the guide rail 2 are M-shaped to fit the roller 5 on the raceway 21 of the guide rail 2. Of course, the shape of the raceway 21 and the roller 5 may be other shapes, for example, a disc roller 5, a cylindrical roller 5, etc., and is not limited in this embodiment.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A drill based on a rolling linear feed mechanism, comprising:
the drilling unit (100) comprises a drill rod and a power head (101) for driving the drill rod to rotate;
the rolling linear feeding unit (200) comprises a guide rail seat (1), a guide rail (2) and a moving piece (4), wherein the guide rail (2) is rigidly connected to the guide rail seat (1), and the moving piece (4) is connected to the guide rail (2) in a rolling manner; the moving piece (4) is rigidly connected with a carriage (3), and the power head (101) is rigidly connected with the carriage (3); the guide rail seat (1) is also provided with a driving component for driving the carriage (3) to reciprocate along the guide rail (2).
2. A drilling machine based on a rolling linear feed mechanism according to claim 1, characterized in that: the moving piece (4) is provided with a rolling body (43), the guide rail (2) is provided with a roller path (21) matched with the rolling body (43), the moving piece (4) is arranged on the guide rail (2), and the rolling body (43) on the moving piece (4) is matched in the roller path (21) to enable the moving piece (4) to move along the guide rail (2).
3. A drilling machine based on a rolling linear feed mechanism according to claim 2, characterized in that: the moving piece (4) comprises a sliding block (41), a circulating channel (42) is arranged on the sliding block (41), a retainer (44) is arranged in the circulating channel (42), and the rolling bodies (43) are sequentially arranged on the retainer (44).
4. A drilling machine based on a rolling linear feed mechanism according to claim 3, characterized in that: the rolling bodies (43) are spherical balls or cylindrical rollers.
5. A drilling machine based on a rolling linear feed mechanism according to claim 3 or 4, characterized in that: the circulating channel (42) comprises an inner channel (421) and an outer channel (422), the ends of the inner channel (421) and the outer channel (422) are communicated, the inner channel (421) is arranged in the sliding block (41), the outer channel (422) is of a slotted structure, and one side of the outer channel (422), which is close to the guide rail (2), is slotted.
6. A drilling machine based on a rolling linear feed mechanism according to claim 5, characterized in that: the raceway (21) includes a support raceway (211) and an auxiliary positioning raceway (212), the support raceway (211) faces upward, and the auxiliary positioning raceway (212) faces downward.
7. A drilling machine based on a rolling linear feed mechanism according to claim 2, characterized in that: the moving piece (4) comprises a sliding block (41), the rolling body (43) is a roller (5) rotatably mounted on the sliding block (41), and the roller (5) is in rolling fit with the roller path (21).
8. A drilling machine based on a rolling linear feed mechanism according to claim 2, 3, 4 or 7, characterized in that: the moving piece (4) is also provided with a dustproof component and a lubricating component.
9. A drilling machine based on a rolling linear feed mechanism according to claim 1, characterized in that: the driving assembly is an oil cylinder assembly or a gear rack transmission assembly or a chain transmission assembly or a belt transmission assembly or a ball screw assembly.
10. A drilling machine based on a rolling linear feed mechanism according to claim 1, 2, 3, 4, 6 or 7, characterized in that: the end part of the guide rail (2) is provided with a limiting component (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393372.3U CN215632811U (en) | 2021-09-30 | 2021-09-30 | Drilling machine based on rolling linear feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393372.3U CN215632811U (en) | 2021-09-30 | 2021-09-30 | Drilling machine based on rolling linear feeding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN215632811U true CN215632811U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122393372.3U Active CN215632811U (en) | 2021-09-30 | 2021-09-30 | Drilling machine based on rolling linear feeding mechanism |
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|---|---|
| CN (1) | CN215632811U (en) |
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2021
- 2021-09-30 CN CN202122393372.3U patent/CN215632811U/en active Active
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