CN220006044U

CN220006044U - Drilling machine

Info

Publication number: CN220006044U
Application number: CN202320875714.1U
Authority: CN
Inventors: 梁广强; 梁华生
Original assignee: Guangdong Shunde Timbery Technology Glass Co ltd
Current assignee: Guangdong Shunde Timbery Technology Glass Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-11-14
Anticipated expiration: 2033-04-18

Abstract

The utility model provides a drilling machine which comprises a drilling module, an up-down driving mechanism, a rotary driving mechanism, a left-right driving mechanism, a front-back driving mechanism and a positioning assembly. The drilling module, the up-and-down driving mechanism, the rotary driving mechanism, the left-and-right driving mechanism, the front-and-back driving mechanism and the positioning assembly are sequentially connected and are matched to drive the drilling module to rotate and reciprocate along the front-and-back direction, the left-and-right direction and the up-and-down direction. According to the utility model, the positioning assembly is matched with the workpiece to be drilled, the front-back driving mechanism, the left-right driving mechanism and the rotary driving mechanism are matched to drive the drilling module to rapidly move to the position corresponding to the region to be drilled of the workpiece to be drilled, and the upper-lower driving mechanism can drive the drilling module to move along the region to be drilled close to or far away from the region to be drilled, so that the drilling module can automatically and accurately drill the workpiece to be drilled, the drilling machine is not required to be reinstalled, the use requirement is met, and the convenience and the drilling efficiency of the drilling machine are improved.

Description

Drilling machine

Technical Field

The utility model relates to the technical field of drilling equipment, in particular to a drilling machine.

Background

In toughened glass equipment, cold air is blown into the surface of glass by utilizing a blowing hole on the special aluminum material, so that high-temperature glass is rapidly and uniformly cooled, and the effect of glass toughening is achieved. In order to enable the surface of the glass to uniformly dissipate heat in the tempering process, a plurality of blowing holes with different sizes and directions are required to be drilled in the aluminum material. However, the existing drilling machine is troublesome to install, can not rapidly position the body to be machined, is low in drilling efficiency, and can not well meet the use requirements.

Disclosure of Invention

Based on this, it is troublesome to have to install to current drilling machine, can not be quick treat the machined part body and fix a position, drilling efficiency is low, can't fine satisfy the problem of operation requirement, provides a drilling machine.

The technical scheme is as follows:

in one aspect, a drilling machine is provided, comprising:

the drilling module is used for drilling the workpiece to be processed;

the upper and lower driving mechanism is connected with the drilling module and used for driving the drilling module to reciprocate along the upper and lower directions;

the rotary driving mechanism is connected with the upper and lower driving mechanisms and is used for driving the upper and lower driving mechanisms to rotate;

the left-right driving mechanism is connected with the rotary driving mechanism and is used for driving the rotary driving mechanism to reciprocate along the left-right direction;

the front-back driving mechanism is connected with the left-right driving mechanism and is used for driving the left-right driving mechanism to reciprocate along the front-back direction;

and the positioning assembly is connected with the front and rear driving mechanism and is used for being matched with the workpiece to be processed in a positioning way.

When the drilling machine in the above embodiment is used, first, the to-be-machined piece is placed on the positioning component, so that the to-be-machined piece is matched with the positioning component in a positioning mode. Then, the front and back driving mechanism works, so that the front and back driving mechanism moves along the front and back direction through the left and right driving mechanism, the rotary driving mechanism and the upper and lower driving mechanism, and the drilling module can move along the front and back direction to a position corresponding to a region to be drilled on a workpiece to be drilled. Secondly, the left-right driving mechanism works, so that the left-right driving mechanism moves along the left-right direction through the rotary driving mechanism and the up-down driving mechanism, and the drilling module can move to a position corresponding to a region to be drilled on a workpiece to be drilled along the left-right direction. Then, the rotary driving mechanism works, so that the rotary driving mechanism rotates through the upper driving mechanism and the lower driving mechanism with the drilling module, and the drilling module can rotate to an angle corresponding to a region to be drilled on a workpiece to be drilled. Finally, the upper and lower driving mechanism and the drilling module work, so that the upper and lower driving mechanism can drive the drilling module to move along the upper and lower directions, and the drilling module can move along the direction close to the workpiece to be drilled so as to drill the region to be drilled. Compared with the traditional drilling machine, the drilling machine has the advantages that the positioning assembly is matched with the to-be-machined piece, the front-back driving mechanism, the left-right driving mechanism and the rotary driving mechanism are matched to drive the drilling module to rapidly move to the position corresponding to the to-be-drilled area of the to-be-machined piece, the upper-lower driving mechanism can drive the drilling module to move along the area close to or far away from the to-be-drilled area, the drilling module can automatically and accurately drill the to-be-machined piece, the drilling machine is not required to be reinstalled, the use requirement is met, and the convenience and the drilling efficiency of the drilling machine are improved.

The technical scheme is further described as follows:

in one embodiment, the drilling module comprises a first motor and a chuck, wherein the first motor is provided with a first output shaft, the first output shaft is in transmission connection with the chuck, and the chuck is used for clamping a drill bit.

In one embodiment, the up-down driving mechanism comprises a first installation body, a second motor, a screw rod and a sliding block, wherein the first installation body is connected with the rotary driving mechanism, the second motor is installed on the first installation body, the second motor is provided with a second output shaft, the second output shaft is connected with the screw rod in a transmission manner, the screw rod is arranged in the up-down direction and is rotationally connected with the first installation body, the sliding block is provided with a threaded hole, the screw rod is in threaded fit with the inner wall of the threaded hole, and the sliding block is connected with the drilling module.

In one embodiment, the first installation body is provided with a first sliding rail extending along the up-down direction, and the sliding block is in sliding fit with the first sliding rail.

In one embodiment, the rotary driving mechanism comprises a third motor and a harmonic reducer, the third motor is connected with the left driving mechanism and the right driving mechanism, the third motor is provided with a third output shaft, the third output shaft is in transmission connection with the harmonic reducer, and the harmonic reducer is connected with the upper driving mechanism and the lower driving mechanism.

In one embodiment, the left-right driving mechanism comprises a second installation body, a fourth motor, a pulley and a second sliding rail, wherein the second installation body is connected with the rotary driving mechanism, the second installation body is in sliding fit with the front-rear driving mechanism along the left-right direction, the fourth motor is installed on the second installation body, the fourth motor is provided with a fourth output shaft, the fourth output shaft is in transmission fit with the pulley, the second sliding rail is installed on the front-rear driving mechanism along the left-right direction, and the second sliding rail is in rolling fit with the pulley.

In one embodiment, the front-rear driving mechanism comprises a bridge, a fifth motor, a gear and a rack, the bridge is connected with the left-right driving mechanism, the bridge and the positioning assembly are in sliding fit along the front-rear direction, the fifth motor is mounted on the bridge, the fifth motor is provided with a fifth output shaft, the fifth output shaft is in transmission fit with the gear, the gear is meshed with the rack, and the rack is mounted on the positioning assembly along the front-rear direction.

In one embodiment, the number of the drilling modules, the up-down driving mechanisms, the rotation driving mechanisms, the left-right driving mechanisms and the front-back driving mechanisms is at least two, and each drilling module, the up-down driving mechanisms, the rotation driving mechanisms, the left-right driving mechanisms and the front-back driving mechanisms are all arranged in one-to-one correspondence, and each front-back driving mechanism is mounted on the positioning assembly.

In one embodiment, the positioning assembly comprises a frame, a working platform and a positioning piece, wherein the frame is connected with the front-rear driving mechanism, the working platform is installed at the top of the frame, the positioning piece is installed on the working platform, and the positioning piece is used for being matched with the workpiece to be positioned.

In one embodiment, the positioning assembly further comprises a pressing member mounted on the working platform and used for pressing the workpiece to be processed on the working platform.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a drilling machine according to an embodiment.

Fig. 2 is a schematic structural diagram of the drilling mold and the up-down driving mechanism in fig. 1.

Fig. 3 is a schematic view of the drilling machine in fig. 1 with the positioning assembly omitted.

Fig. 4 is a schematic view of the drill in fig. 3 from another perspective.

Reference numerals illustrate:

10. a drilling machine; 100. a drilling module; 110. a first motor; 120. a chuck; 130. a drill bit; 200. an up-down driving mechanism; 210. a first mounting body; 220. a second motor; 230. a screw rod; 240. a slide block; 250. a first slide rail; 300. a rotary driving mechanism; 310. a third motor; 320. a harmonic reducer; 400. a left-right driving mechanism; 410. a second mounting body; 420. a fourth motor; 430. a second slide rail; 500. a front-rear driving mechanism; 510. a bridge; 520. a fifth motor; 600. a positioning assembly; 610. a frame; 620. a working platform; 630. a positioning piece; 640. and a pressing member.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1, in one embodiment, a drilling machine 10 is provided that includes a drilling module 100, an up-down drive mechanism 200, a rotary drive mechanism 300, a left-right drive mechanism 400, a front-rear drive mechanism 500, and a positioning assembly 600. The drilling module 100 is used for drilling a workpiece to be processed; the up-and-down driving mechanism 200 is connected with the drilling module 100 and is used for driving the drilling module 100 to reciprocate along the up-and-down direction (shown as a direction in fig. 1); the rotation driving mechanism 300 is connected with the up-down driving mechanism 200 and is used for driving the up-down driving mechanism 200 to rotate; the left-right driving mechanism 400 is connected to the rotation driving mechanism 300, and is used for driving the rotation driving mechanism 300 to reciprocate in the left-right direction (as shown in the direction B in fig. 1); the front-rear driving mechanism 500 is connected to the left-right driving mechanism 400, and is used for driving the left-right driving mechanism 400 to reciprocate in the front-rear direction (as shown in the direction C in fig. 1); the positioning assembly 600 is connected to the front-rear driving mechanism 500 and is used for positioning and matching with a workpiece to be processed.

In use of the drill 10 of the above embodiment, first, a workpiece is placed on the positioning assembly 600 so that the workpiece is in positioning engagement with the positioning assembly 600. Then, the front-rear driving mechanism 500 is operated, so that the front-rear driving mechanism 500 moves in the front-rear direction with the drilling module 100 by the left-right driving mechanism 400, the rotation driving mechanism 300, and the up-down driving mechanism 200, and the drilling module 100 can move in the front-rear direction to a position corresponding to the region to be drilled on the workpiece to be drilled. Next, the left-right driving mechanism 400 is operated such that the left-right driving mechanism 400 moves in the left-right direction with the drilling module 100 by the rotation driving mechanism 300 and the up-down driving mechanism 200, thereby enabling the drilling module 100 to move in the left-right direction to a position corresponding to a region to be drilled on a workpiece to be drilled. Then, the rotation driving mechanism 300 is operated such that the rotation driving mechanism 300 rotates with the drilling module 100 by the up-down driving mechanism 200, thereby enabling the drilling module 100 to rotate to an angle corresponding to the region to be drilled on the workpiece to be drilled. Finally, the up-down driving mechanism 200 and the drilling module 100 work, so that the up-down driving mechanism 200 can drive the drilling module 100 to move along the up-down direction, and the drilling module 100 can move along the direction close to the workpiece to be drilled so as to drill the region to be drilled. Compared with the traditional drilling machine, the drilling machine has the advantages that the positioning assembly 600 is matched with a workpiece to be drilled, the front-back driving mechanism 500, the left-right driving mechanism 400 and the rotary driving mechanism 300 are matched to drive the drilling module 100 to rapidly move to the position corresponding to the region to be drilled of the workpiece to be drilled, the upper-lower driving mechanism 200 can drive the drilling module 100 to move along the region close to or far away from the region to be drilled, the drilling module 100 can automatically and accurately drill the workpiece to be drilled, the drilling machine 10 is not required to be reinstalled, the use requirement is met, and the convenience and the drilling efficiency of the drilling machine 10 are improved.

As shown in fig. 1 and 2, further, the drilling module 100 includes a first motor 110 and a chuck 120, the first motor 110 is provided with a first output shaft, the first output shaft is in transmission connection with the chuck 120, and the chuck 120 is used for clamping the drill bit 130. In this way, the first motor 110 can drive the drill bit 130 to rotate through the first output shaft and the chuck 120, so that the drill bit 130 can be processed in the region to be drilled of the workpiece to be drilled to form a drilled hole, and the reliability of the drilling machine 10 is improved. In addition, the drill bit 130 is detachably connected with the chuck 120, so that a new drill bit 130 or a drill bit 130 with a different model is conveniently replaced, and the service life and applicability of the drilling machine 10 are improved. Specifically, in the present embodiment, the first motor 110 is a high-speed spindle motor.

The up-down driving mechanism 200 may be a screw-nut mechanism, an electric sliding table, a telescopic cylinder or other driving structures.

As shown in fig. 1 and 2, optionally, the up-down driving mechanism 200 includes a first mounting body 210, a second motor 220, a screw 230 and a slider 240, where the first mounting body 210 is connected with the rotation driving mechanism 300, the second motor 220 is mounted on the first mounting body 210, the second motor 220 is provided with a second output shaft, the second output shaft is in transmission connection with the screw 230, the screw 230 is disposed along the up-down direction and is in rotation connection with the first mounting body 210, the slider 240 is provided with a threaded hole, the screw 230 is in threaded fit with the inner wall of the threaded hole, and the slider 240 is connected with the drilling module 100. In this way, the second motor 220 can drive the drilling module 100 to reciprocate along the up-down direction through the second output shaft, the screw 230 and the slider 240, thereby improving the reliability of the drilling machine 10. In particular, in the present embodiment, the second motor 220 is provided as a servo motor.

As shown in fig. 2, the first mounting body 210 is optionally provided with a first slide rail 250 extending in the up-down direction, and the slider 240 is slidably engaged with the first slide rail 250. In this way, the first installation body 210 can play a guiding role on the sliding block 240, so that the up-down driving mechanism 200 can stably and reliably drive the drilling module 100 to move along the up-down direction, so that the drilling module 100 can process and form a drilling hole in a region to be drilled, and the reliability of the drilling machine 10 is improved. In other embodiments, the first mounting body 210 is provided with a first sliding slot extending in the up-down direction, and the slider 240 is slidingly engaged with the first sliding slot.

The rotary driving mechanism 300 may be a rotary motor, a rotary cylinder, a rotary hydraulic cylinder, or other driving structure.

As shown in fig. 1 and 3, in one embodiment, the rotary driving mechanism 300 includes a third motor 310 and a harmonic reducer 320, the third motor 310 is connected to the left-right driving mechanism 400, the third motor 310 is provided with a third output shaft, the third output shaft is in transmission connection with the harmonic reducer 320, and the harmonic reducer 320 is connected to the up-down driving mechanism 200. In this way, the third output shaft can drive the harmonic reducer 320 to rotate, so that the harmonic reducer 320 can drive the drilling module 100 to rotate by any angle through the upper and lower driving mechanism 200, the drill bit 130 is ensured to be correspondingly arranged with the area to be drilled, and the reliability of the drilling machine 10 is improved. In particular, in the present embodiment, the third motor 310 is provided as a servo motor.

The left-right driving mechanism 400 may be a screw-nut mechanism, an electric sliding table, a telescopic cylinder or other driving structures.

As shown in fig. 1 and 4, the left-right driving mechanism 400 further includes a second mounting body 410, a fourth motor 420, a pulley and a second sliding rail 430, the second mounting body 410 is connected with the rotation driving mechanism 300, the second mounting body 410 is slidably matched with the front-rear driving mechanism 500 along the left-right direction, the fourth motor 420 is mounted on the second mounting body 410, the fourth motor 420 is provided with a fourth output shaft, the fourth output shaft is in transmission fit with the pulley, the second sliding rail 430 is mounted on the front-rear driving mechanism 500 along the left-right direction, and the second sliding rail 430 is in rolling fit with the pulley. In this way, the pulley can drive the second installation body 410 to move along the left-right direction, so that the second installation body 410 can drive the drilling module 100 to move along the left-right direction through the rotary driving mechanism 300 and the up-down driving mechanism 200, the drilling module 100 is guaranteed to move to a position corresponding to the region to be drilled along the left-right direction, and the reliability of the drilling machine 10 is improved. In other embodiments, the front-rear driving mechanism 500 is provided with a second chute extending in the left-right direction, and the pulley is in rolling engagement with the second chute. The fourth motor 420 is provided as a servo motor.

The second mounting body 410 is slidably engaged with the front-rear driving mechanism 500 along the left-right direction, and may be engaged with the sliding block by a sliding groove, the sliding rail by a sliding wheel, or other sliding engagement methods.

As shown in fig. 1 and 4, optionally, the front-rear driving mechanism 500 includes a bridge 510, a fifth motor 520, a gear and a rack, where the bridge 510 is connected with the left-right driving mechanism 400, the bridge 510 is slidably matched with the positioning assembly 600 along the front-rear direction, the fifth motor 520 is mounted on the bridge 510, the fifth motor 520 is provided with a fifth output shaft, the fifth output shaft is matched with the gear in a transmission manner, the gear is meshed with the rack, and the rack is mounted on the positioning assembly 600 along the front-rear direction. In this way, the gear can drive the bridge 510 to move along the front-back direction, so that the bridge 510 can drive the drilling module 100 to move along the front-back direction through the left-right driving mechanism 400, the rotary driving mechanism 300 and the up-down driving mechanism 200, the drilling module 100 is ensured to move to a position corresponding to the region to be drilled along the front-back direction, and the reliability of the drilling machine 10 is improved.

Wherein, the bridge 510 is slidingly engaged with the positioning assembly 600 along the front-rear direction, and may be engaged with the sliding block by a sliding groove, a sliding rail, or other sliding engagement means.

In this embodiment, the number of the fifth motors 520, the number of the gears and the number of the racks are two, the two ends of the bridge frame 510 are in one-to-one correspondence with the two sides of the positioning assembly 600, and are in sliding fit along the front-to-back direction, the two fifth motors 520 are correspondingly installed at the two ends of the bridge frame 510, and the two fifth motors 520 are in one-to-one correspondence with the two gears and the two racks. In this way, the reliability of the drill 10 is improved.

As shown in fig. 1, in one embodiment, at least two drilling modules 100, up-down driving mechanisms 200, rotation driving mechanisms 300, left-right driving mechanisms 400, and front-rear driving mechanisms 500 are provided, and each drilling module 100 is configured to be uniformly and correspondingly aligned with each up-down driving mechanism 200, each rotation driving mechanism 300, each left-right driving mechanism 400, and each front-rear driving mechanism 500 is mounted on the positioning assembly 600. In this way, the drilling machine 10 can drill holes in a plurality of areas to be drilled on the workpiece to be drilled at the same time, and the drilling efficiency of the drilling machine 10 is improved.

As shown in fig. 1, the positioning assembly 600 further includes a frame 610, a working platform 620 and a positioning member 630, the frame 610 is connected with the front-rear driving mechanism 500, the working platform 620 is mounted on the top of the frame 610, the positioning member 630 is mounted on the working platform 620, and the positioning member 630 is used for positioning and matching with a workpiece to be processed. In this way, the workpiece to be machined can be quickly and accurately installed at the preset position of the working platform 620, so that the convenience and the drilling efficiency of the drilling machine 10 are improved.

The positioning element 630 may be a positioning block, a positioning plate, a positioning strip, or other positioning structures. In this embodiment, two ends of the bridge 510 are slidably engaged with two sides of the frame 610 along the front-rear direction, and two fifth motors 520, two gears and two racks are disposed on two sides of the frame 610 correspondingly. In this way, the interference between the front and rear driving mechanisms 500 and the workpiece to be machined is avoided, and the reliability of the drilling machine 10 is improved.

As shown in fig. 1, the positioning assembly 600 optionally further includes a pressing member 640, where the pressing member 640 is mounted on the working platform 620 and is used to press the workpiece to be processed against the working platform 620. Thus, the workpiece to be machined cannot move relative to the working platform 620 in the drilling process, and the drilling accuracy and reliability of the drilling machine 10 are improved.

The pressing member 640 may be a pressing block, a pressing plate, a pressing clip, or other pressing structure.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A drilling machine, comprising:

the drilling module is used for drilling the workpiece to be processed;

2. The drilling machine of claim 1, wherein the drilling module comprises a first motor and a chuck, the first motor is provided with a first output shaft, the first output shaft is in transmission connection with the chuck, and the chuck is used for clamping a drill bit.

3. The drilling machine according to claim 1, wherein the up-down driving mechanism comprises a first mounting body, a second motor, a screw rod and a sliding block, the first mounting body is connected with the rotary driving mechanism, the second motor is mounted on the first mounting body, the second motor is provided with a second output shaft, the second output shaft is in transmission connection with the screw rod, the screw rod is arranged in the up-down direction and is in rotary connection with the first mounting body, the sliding block is provided with a threaded hole, the screw rod is in threaded fit with the inner wall of the threaded hole, and the sliding block is connected with the drilling module.

4. A drilling machine according to claim 3, wherein the first mounting body is provided with a first slide rail extending in the up-down direction, and the slider is in sliding engagement with the first slide rail.

5. The drilling machine according to claim 1, wherein the rotary driving mechanism comprises a third motor and a harmonic reducer, the third motor is connected with the left and right driving mechanisms, the third motor is provided with a third output shaft, the third output shaft is in transmission connection with the harmonic reducer, and the harmonic reducer is connected with the upper and lower driving mechanisms.

6. The drilling machine according to claim 1, wherein the left-right driving mechanism comprises a second mounting body, a fourth motor, a pulley and a second slide rail, the second mounting body is connected with the rotary driving mechanism, the second mounting body is in sliding fit with the front-rear driving mechanism along the left-right direction, the fourth motor is mounted on the second mounting body, the fourth motor is provided with a fourth output shaft, the fourth output shaft is in transmission fit with the pulley, the second slide rail is mounted on the front-rear driving mechanism along the left-right direction, and the second slide rail is in rolling fit with the pulley.

7. The drilling machine of claim 1, wherein the front-rear driving mechanism comprises a bridge, a fifth motor, a gear and a rack, the bridge is connected with the left-right driving mechanism, the bridge is in sliding fit with the positioning assembly along the front-rear direction, the fifth motor is mounted on the bridge, the fifth motor is provided with a fifth output shaft, the fifth output shaft is in driving fit with the gear, the gear is meshed with the rack, and the rack is mounted on the positioning assembly along the front-rear direction.

8. The drilling machine of any one of claims 1 to 7, wherein the number of the drilling modules, the vertical driving mechanisms, the rotational driving mechanisms, the horizontal driving mechanisms, and the vertical driving mechanisms is at least two, and each drilling module is disposed in one-to-one correspondence with each vertical driving mechanism, each rotational driving mechanism, each horizontal driving mechanism, and each vertical driving mechanism, and each horizontal driving mechanism, and each vertical driving mechanism is mounted on the positioning assembly.

9. The drilling machine of any one of claims 1 to 7, wherein the positioning assembly comprises a frame, a work platform and a positioning member, the frame is connected with the front-rear driving mechanism, the work platform is mounted on the top of the frame, the positioning member is mounted on the work platform, and the positioning member is used for positioning and matching with the workpiece to be machined.

10. The drilling machine of claim 9, wherein the positioning assembly further comprises a hold-down member mounted to the work platform and configured to hold down the work piece to be worked against the work platform.