Hardware drilling device

Abstract

The utility model belongs to the technical field of hardware machining, and particularly relates to a hardware drilling device which comprises a drilling device body and further comprises a fixing plate, the fixing plate is fixedly connected to the drilling device body, two first sliding grooves communicated with the outside are formed in the fixing plate, two first sliding blocks are connected in the two first sliding grooves in a sliding mode respectively, and the two first sliding blocks are arranged in the fixing plate. Two first threaded rods are in threaded connection with the interiors of the two first sliding blocks correspondingly, and the two first threaded rods are located in the two first sliding grooves correspondingly and rotationally connected with the two first sliding grooves correspondingly. The rotating assembly is located in the fixing plate and used for driving the two first threaded rods to rotate; the sliding plate is fixedly connected between the two first sliding blocks, the sliding plate is located in an inner cavity of the fixing plate and is in sliding connection with the fixing plate, and the problems that when a user fixes the hardware on the drilling device and finds deviation, the user cannot adjust the position of the hardware under the fixing condition, and practicability is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hardware machining technical field especially relates to a hardware drilling device. BACKGROUND

[0002] Hardware drilling device refers to the tool that leaves the cylindrical hole or the hole on the hardware by the way of rotating cutting or rotating extrusion, and its working principle is mainly based on the rotating cutting or rotating extrusion of drill bit, when the motor drives the drill bit to rotate, the drill bit contacts the hardware and applies pressure, and forms the cylindrical hole on the hardware by cutting or extruding.

[0003] For example, the Chinese patent with the announcement number CN217858866U discloses a hardware drilling device, which comprises a body, the body is provided with a workbench, the workbench is provided with a fixed groove, the workbench is provided with a clamping plate, the clamping plate is fixedly connected with a shell, the shell is rotatably connected with a winding rod, the outer wall of the winding rod is wound with a limiting belt, and the limiting belt penetrates through the shell and is fixedly connected at the bottom of the fixed groove.

[0004] The above-mentioned patent has the following problems:

[0005] The patent has some shortcomings when in use, such as: the above-mentioned drilling device can fix hardware of any size when in use, but when the user finds that the hardware is offset after being fixed on the drilling device, the user cannot adjust the position of the hardware under the fixed condition, and the practicality is low. In view of this, we provide a hardware drilling device. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a hardware drilling device to solve the problems in the background art.

[0007] Therefore, the utility model provides a hardware drilling device, which comprises a drilling device and further comprises:

[0008] The fixed plate is fixedly connected to the drilling device, two first sliding grooves are formed in the fixed plate and are connected to the outside, two first sliding blocks are slidably connected to the two first sliding grooves, two first threaded rods are threadedly connected to the two first sliding blocks, and the two first threaded rods are located in the two first sliding grooves and are rotatably connected to the two first sliding grooves.

[0009] A rotating assembly is arranged in the fixed plate and used to drive the two first threaded rods to rotate;

[0010] A sliding plate is fixedly connected between the two first sliding blocks, and is arranged in the inner cavity of the fixed plate and slidably connected with the fixed plate. A second sliding groove is formed in the top surface of the sliding plate. A second sliding block is slidably connected in the second sliding groove. An extrusion block is arranged below the second sliding block and slidably connected with the second sliding groove.

[0011] A driving assembly is arranged between the second sliding block and the supporting plate and used to drive the extrusion block to move.

[0012] The supporting plate is fixedly connected to the top end of the second sliding block. Two supports are fixedly connected to the top surface of the supporting plate. Two electric telescopic rods are respectively fixedly connected to the two supports. One end of each of the two electric telescopic rods extends outside through the two supports. Two clamping plates are respectively fixedly connected to one end of each of the two electric telescopic rods.

[0013] Based on the above structure, the electric telescopic rods and the clamping plates are arranged to ensure that when the user starts the two electric telescopic rods, one end of each of the two electric telescopic rods drives the two clamping plates to move close to each other, so that the two clamping plates can clamp and fix the hardware. The first sliding groove, the first sliding block and the sliding plate are arranged to ensure that the two first sliding blocks can slide in the two first sliding grooves respectively and drive the sliding plate to move. The rotating assembly is arranged to ensure that the user can drive the two first threaded rods to rotate through the rotating assembly, so that the two first sliding blocks can be moved along the two first sliding grooves respectively. The second sliding groove, the second sliding block and the supporting plate are arranged to ensure that the second sliding block can drive the supporting plate to slide along the second sliding groove. The driving assembly and the extrusion block are arranged to ensure that the user can drive the extrusion block to move through the driving assembly, so that the extrusion block moves up and down in the second sliding groove. When the extrusion block moves to a position where it cannot move, the second sliding block is fixed in the second sliding groove and cannot move.

[0014] In the above technical solution, further, the rotating assembly comprises;

[0015] A movable groove is formed in the fixed plate. Two sprockets are rotatably connected in the movable groove. One end of each of the two sprockets extends through the inner wall of the movable groove and extends into the two first sliding grooves to be fixed with one end of each of the two first threaded rods. A chain is engaged between the two sprockets. A first rotating rod is fixedly connected to one of the sprockets. One end of the first rotating rod extends through the inner wall of the movable groove and extends outside to be rotatably connected with the fixed plate.

[0016] In the technical solution, the position of the skateboard can be adjusted according to the use requirement of the user.

[0017] In the technical solution, the end of the chain wheel is rotatably connected with the first sliding groove.

[0018] In the technical solution, the end of the chain wheel can normally rotate in the first sliding groove.

[0019] In the technical solution, the driving assembly comprises:

[0020] The first rotating groove is arranged in the second sliding block and is communicated with the second sliding groove, the threaded sleeve rod is rotatably connected in the first rotating groove, the second threaded rod is threadedly connected in the threaded sleeve rod, and the bottom end of the second threaded rod is fixed to the top surface of the extruding block.

[0021] The gear groove is arranged in the supporting plate and is communicated with the first rotating groove, the first bevel gear and the second bevel gear are rotatably connected in the gear groove, the first bevel gear and the second bevel gear are meshed with each other, one end of the first bevel gear penetrates through the inner wall of the gear groove and extends into the first rotating groove and is fixed to the top end of the threaded sleeve rod, the second rotating rod is fixedly connected to the second bevel gear, and one end of the second rotating rod penetrates through the inner wall of the gear groove and extends to the outside and is rotatably connected with the supporting plate.

[0022] In the technical solution, the second sliding block can be fixed in the second sliding groove and cannot move.

[0023] In the technical solution, one end of the first bevel gear is rotatably connected with the first rotating groove.

[0024] In the technical solution, one end of the first bevel gear can normally rotate in the first rotating groove.

[0025] In the technical solution, one end of the second rotating rod is fixedly connected with the anti-skid block.

[0026] In the technical solution, the user can drive the second rotating rod to rotate through the anti-skid block at one end of the second rotating rod.

[0027] In the technical solution, the threads on the two first threaded rods are in the same direction.

[0028] In the technical solution, when the two first threaded rods rotate, the two first sliding blocks are respectively subjected to the action of the threads of the two first threaded rods and move along the two first sliding grooves.

[0029] The beneficial effects of the utility model are as follows:

[0030] The five hardware drilling device, through the setting electric telescopic rod and clamping plate, ensure that when the user starts two electric telescopic rods, one end of the two electric telescopic rods drives two clamping plates to approach each other, so that the two clamping plates can clamp and fix the hardware, through the setting first sliding groove, first sliding block and sliding plate, ensure that two first sliding blocks can slide in two first sliding grooves respectively, and drive the sliding plate to move, through the setting rotating assembly, ensure that the user can drive two first threaded rods to rotate through the rotating assembly, so that two first sliding blocks can be respectively affected by two first threaded rods, and move along two first sliding grooves respectively, through the setting second sliding groove, second sliding block and supporting plate, ensure that the second sliding block can drive the supporting plate to slide along the second sliding groove, through the setting driving assembly and extrusion block, ensure that the user can drive the extrusion block to move through the driving assembly, so that the extrusion block moves up and down in the second sliding groove, when the extrusion block moves to a position where it cannot move, the second sliding block will be fixed in the second sliding groove and cannot move, solve the problem that when the user finds that the hardware is offset after being fixed on the drilling device, the user cannot adjust the position of the hardware under the fixed condition, and the practicability is low. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the overall structure schematic diagram of the utility model;

[0032] Figure 2 It is the internal structure schematic diagram of the utility model fixed plate;

[0033] Figure 3 It is the area structure schematic diagram of the utility model supporting plate;

[0034] Figure 4 It is the internal structure schematic diagram of the utility model supporting plate one;

[0035] Figure 5 It is the internal structure schematic diagram of the utility model supporting plate two.

[0036] The mark in the drawing indicates that:

[0037] 1, drilling device; 2, fixed plate; 3, first sliding groove; 4, first sliding block; 5, first threaded rod; 6, sliding plate; 7, second sliding groove; 8, second sliding block; 9, extrusion block; 10, supporting plate; 11, support; 12, electric telescopic rod; 13, clamping plate; 14, movable groove; 15, chain wheel; 16, chain; 17, first rotating rod; 18, first rotating groove; 19, threaded sleeve rod; 20, second threaded rod; 21, gear groove; 22, first bevel gear; 23, second bevel gear; 24, second rotating rod. DETAILED DESCRIPTION

[0038] With reference to the drawings and the embodiments described herein, it will be understood that the drawings and embodiments are illustrative of only a few of the embodiments of the present application and are not therefore to be considered limiting of its scope, for the application is not limited to the embodiments illustrated in the description below.

[0039] In the description of the present application, it should be understood that the terms used herein are for the purpose of describing specific embodiments and are not intended to limit the example embodiments of the present application. For the purpose of clarity, the dimensions of the various parts shown in the drawings are not drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill are not discussed in detail because they would be understood that the techniques, methods, and apparatus are part of the prior art and should be understood to be incorporated into the disclosure in order to fully enable the present application. In all examples shown and discussed herein, any specific values are to be interpreted as illustrative only and not limiting. Thus, other examples of the example embodiments can have different values. It is to be noted that like terminology is used throughout the following description and appended claims for the purpose of clarity and description not limitation. Thus, no limitations are to be implied therefrom as to specific embodiments that can have now been described in sufficient detail.

[0040] It should be noted that the terms "first", "second", and the like, used in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of these terms herein is merely for distinguishing between the similar elements and is not meant to or used implying a specific order or sequence. Further, the terms "comprises", "comprising", "includes", "including" and the like are synonymous with the term "containing" and are used in the above description as well as in the following claims as an open-ended transition that, in addition to the meaning of "including", also means "consisting of" and / or "consisting essentially of" unless the context clearly dictates otherwise. The use of any of these just-mentioned parallel terms is not intended to exclude the presence of any additional similar features or steps or elements which could possibly be used in addition to or instead of those described as the essential features or steps or elements of the present application.

[0041] It should be noted that the terms "front", "rear", "upper", "lower", "left", "right", "horizontal", "vertical", "top", "bottom", and the like as can be used herein are used for convenience and are not intended to be limiting as to a specific orientation of the application or to indicate that a particular element must have a particular orientation. It is to be understood that the terms so used are intended to encompass different orientations of the application and as such are to be interpreted as being a non-limiting example of an orientation of the application. Furthermore, terms such as "inner", "outer", "front", "back", "forward", "reverse", "up", "down", "top", "bottom", "under", "over", "above", "below", "upward", "downward", "forwardly", "rearwardly", and the like are used for convenience and are not intended to be limiting as to a particular orientation of the application or to indicate that a particular element must have a particular orientation. These terms are used in conjunction with the sense of the other terms to indicate relative positions approaching or departing opposite directions.

[0042] It should be noted that in this application, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements not only include those elements, but also include other elements that are not expressly listed, or other elements that are inherent in such processes, methods, articles, or apparatuses. Without more limitations, an element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be pointed out that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0043] Embodiment 1:

[0044] Please refer to Figure 1 - Figure 5 As shown in the figure, the embodiment provides a hardware drilling device, which comprises a drilling device 1, further comprising:

[0045] A fixed plate 2 is fixedly connected to the drilling device 1, and two first sliding grooves 3 are formed in the fixed plate 2 and are connected to the outside. Two first sliding blocks 4 are respectively and slidably connected in the two first sliding grooves 3, two first threaded rods 5 are respectively and threadedly connected in the two first sliding blocks 4, and the two first threaded rods 5 are respectively located in the two first sliding grooves 3 and are rotatably connected with the two first sliding grooves 3;

[0046] A rotating assembly is located in the fixed plate 2 and is used to drive the two first threaded rods 5 to rotate;

[0047] A sliding plate 6 is fixedly connected between the two first sliding blocks 4, and the sliding plate 6 is located in the inner cavity of the fixed plate 2 and is slidably connected with the fixed plate 2. A second sliding groove 7 is formed in the top surface of the sliding plate 6, a second sliding block 8 is slidably connected in the second sliding groove 7, and an extrusion block 9 is arranged below the second sliding block 8 and is slidably connected with the second sliding groove 7;

[0048] A driving assembly is located between the second sliding block 8 and the supporting plate 10 and is used to drive the extrusion block 9 to move;

[0049] The top plate 10 is fixedly connected to the top end of the second sliding block 8, the top surface of the top plate 10 is fixedly connected with two supports 11, two electric telescopic rods 12 are fixedly connected to the two supports 11 respectively, one end of the two electric telescopic rods 12 respectively penetrates through the two supports 11 and extends to the outside, and two clamping plates 13 are fixedly connected to one end of the two electric telescopic rods 12 respectively.

[0050] Embodiment 2

[0051] The embodiment provides a hardware drilling device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the rotating assembly comprises;

[0052] The movable groove 14 is arranged in the fixed plate 2, two sprockets 15 are rotatably connected in the movable groove 14, one end of the two sprockets 15 penetrates through the inner wall of the movable groove 14 and extends into the two first sliding grooves 3, and is fixed with one end of the two first threaded rods 5 respectively, and the chain 16 is engaged between the two sprockets 15, one of the sprockets 15 is fixedly connected with the first rotating rod 17, and one end of the first rotating rod 17 penetrates through the inner wall of the movable groove 14 and extends to the outside and is rotatably connected with the fixed plate 2.

[0053] When in use, the user rotates the first rotating rod 17 by hand, so that the first rotating rod 17 drives one of the sprockets 15 to rotate in the movable groove 14, so that one of the sprockets 15 drives the other sprocket 15 to rotate through the chain 16, when the two sprockets 15 rotate, the two first threaded rods 5 are driven to rotate in the two first sliding grooves 3 respectively, when the two first threaded rods 5 rotate, the two first sliding blocks 4 are driven to move along the two first sliding grooves 3 respectively, so that the two first sliding blocks 4 drive the sliding plate 6 to move, ensuring that the user can adjust the position of the sliding plate 6 according to the use requirement.

[0054] Embodiment 3

[0055] The embodiment provides a hardware drilling device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, one end of the sprocket 15 is rotatably connected with the first sliding groove 3.

[0056] The end of the sprocket 15 can normally rotate in the first sliding groove 3.

[0057] Embodiment 4

[0058] The embodiment provides a hardware drilling device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the driving assembly comprises:

[0059] The first rotating groove 18 is arranged in the second sliding block 8 and communicates with the second sliding groove 7, the threaded sleeve rod 19 is rotatably connected in the first rotating groove 18, the second threaded rod 20 is threadedly connected in the threaded sleeve rod 19, and the bottom end of the second threaded rod 20 is fixed to the top surface of the extrusion block 9;

[0060] The gear groove 21 is arranged in the supporting plate 10 and communicates with the first rotating groove 18, the first bevel gear 22 and the second bevel gear 23 are rotatably connected in the gear groove 21, the first bevel gear 22 and the second bevel gear 23 are meshed with each other, one end of the first bevel gear 22 penetrates through the inner wall of the gear groove 21 and extends into the first rotating groove 18 and is fixed to the top end of the threaded sleeve rod 19, the second rotating rod 24 is fixedly connected to the second bevel gear 23, and one end of the second rotating rod 24 penetrates through the inner wall of the gear groove 21 and extends to the outside and is rotatably connected with the supporting plate 10.

[0061] When the supporting plate 10 is slid to a suitable position, the user rotates the second rotating rod 24 by hand, so that the second rotating rod 24 drives the second bevel gear 23 to rotate in the gear groove 21, the second bevel gear 23 drives the first bevel gear 22 to rotate in the gear groove 21, when the first bevel gear 22 rotates, the first bevel gear 22 drives the threaded sleeve rod 19 to rotate in the first rotating groove 18, so that the second threaded rod 20 is driven to move downward by the threaded action of the threaded sleeve rod 19, when the extrusion block 9 moves downward to a position where it cannot move, the extrusion block 9 is tightly extruded on the inner wall bottom surface of the second sliding groove 7, so that the second sliding block 8 can be fixed in the second sliding groove 7 and cannot move.

[0062] Embodiment 5:

[0063] The embodiment provides a hardware drilling device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features, one end of the first bevel gear 22 is rotatably connected with the first rotating groove 18.

[0064] Among them, ensure that one end of the first bevel gear 22 can normally rotate in the first rotating groove 18.

[0065] Embodiment 6:

[0066] The embodiment provides a hardware drilling device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features, one end of the first bevel gear 22 is rotatably connected with the first rotating groove 18.

[0067] Among them, ensure that the user can drive the second rotating rod 24 to rotate through the anti-skid block at one end of the second rotating rod 24.

[0068] Embodiment 7:

[0069] The embodiment provides a hardware drilling device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the screw rotation directions of the two first threaded rods 5 are same.

[0070] Wherein, ensure that when the two first threaded rods 5 rotate, the two first sliding blocks 4 are respectively subjected to the action of the threads of the two first threaded rods 5, and respectively move along the two first sliding grooves 3.

[0071] In use, the user places the hardware between the two clamping plates 13, then the user starts the two electric telescopic rods 12, so that the one end of the two electric telescopic rods 12 drives the two clamping plates 13 to move close to each other, when the two clamping plates 13 move close to each other to a position where they cannot move, the two clamping plates 13 clamp and fix the hardware, then the user rotates the first rotating rod 17 by hand, so that the first rotating rod 17 drives one of the chain wheels 15 to rotate in the movable groove 14, and one of the chain wheels 15 drives the other chain wheel 15 to rotate through the chain 16, when the two chain wheels 15 rotate, the two chain wheels 15 drive the two first threaded rods 5 to rotate in the two first sliding grooves 3 respectively, when the two first threaded rods 5 rotate, the two first sliding blocks 4 are respectively subjected to the action of the threads of the two first threaded rods 5, and respectively move along the two first sliding grooves 3, so that the two first sliding blocks 4 drive the sliding plate 6 to move, to ensure that the user can adjust the position of the sliding plate 6 according to the use requirement, when the position adjustment of the sliding plate 6 is completed, the user slides the supporting plate 10 by hand, so that the supporting plate 10 drives the second sliding block 8 to slide in the second sliding groove 7, when the supporting plate 10 slides to a suitable position, the user rotates the second rotating rod 24 by hand, so that the second rotating rod 24 drives the second bevel gear 23 to rotate in the gear groove 21, and the second bevel gear 23 drives the first bevel gear 22 to rotate in the gear groove 21, when the first bevel gear 22 rotates, the first bevel gear 22 drives the threaded sleeve rod 19 to rotate in the first rotating groove 18, so that the second threaded rod 20 is driven by the threaded sleeve rod 19 to move downwards, when the extruding block 9 moves downwards to a position where it cannot move, the extruding block 9 is tightly extruded against the inner wall bottom surface of the second sliding groove 7, to ensure that the second sliding block 8 can be fixed in the second sliding groove 7 and cannot move, then the user starts the drilling device 1, so that the drilling device 1 drills the hardware.

[0072] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not limited, and those skilled in the art can make many forms under the guidance of the application without departing from the purpose of the application and the scope protected by the claims, and all the forms belong to the protection of the application.

Claims

1. A device for drilling holes in hardware, comprising a drilling device (1), characterized in that, Also include: The fixed plate (2) is fixedly connected on the drilling device (1), two first sliding grooves (3) are opened in the fixed plate (2), two first sliding blocks (4) are slidably connected in the two first sliding grooves (3), two first threaded rods (5) are threadedly connected in the two first sliding blocks (4), and the two first threaded rods (5) are located in the two first sliding grooves (3) and are rotatably connected with the two first sliding grooves (3); The rotating assembly is located in the fixed plate (2) and is used to drive the two first threaded rods (5) to rotate; The sliding plate (6) is fixedly connected between the two first sliding blocks (4), and the sliding plate (6) is located in the inner cavity of the fixed plate (2) and is slidably connected with the fixed plate (2), a second sliding groove (7) is opened in the top surface of the sliding plate (6), a second sliding block (8) is slidably connected in the second sliding groove (7), and an extrusion block (9) is arranged below the second sliding block (8) and is slidably connected in the second sliding groove (7); The driving assembly is located between the second sliding block (8) and the supporting plate (10) and is used to drive the extrusion block (9) to move; The supporting plate (10) is fixedly connected to the top end of the second sliding block (8), two supports (11) are fixedly connected to the top surface of the supporting plate (10), two electric telescopic rods (12) are fixedly connected to the two supports (11) respectively, one end of the two electric telescopic rods (12) extends to the outside through the two supports (11) respectively, and two clamping plates (13) are fixedly connected to one end of the two electric telescopic rods (12) respectively.

2. A hardware drilling apparatus according to claim 1, wherein The rotating assembly includes; The movable groove (14) is opened in the fixed plate (2), two sprockets (15) are rotatably connected in the movable groove (14), one end of the two sprockets (15) penetrates the inner wall of the movable groove (14) and extends into the two first sliding grooves (3), and is fixed to one end of the two first threaded rods (5) respectively, a chain (16) is engaged between the two sprockets (15), one of the sprockets (15) is fixedly connected with a first rotating rod (17), and one end of the first rotating rod (17) penetrates the inner wall of the movable groove (14) and extends to the outside and is rotatably connected with the fixed plate (2).

3. A hardware drilling apparatus according to claim 2, wherein One end of the sprocket (15) is rotatably connected with the first sliding groove (3).

4. The hardware drilling apparatus of claim 1, wherein, The driving assembly includes: The first rotating groove (18) is opened in the second sliding block (8) and is connected with the second sliding groove (7), the threaded sleeve rod (19) is rotatably connected in the first rotating groove (18), the second threaded rod (20) is threadedly connected in the threaded sleeve rod (19), and the bottom end of the second threaded rod (20) is fixed with the top surface of the extrusion block (9); Gear slot (21), the gear slot (21) is opened in the supporting plate (10) and is linked with the first rotating groove (18), the gear slot (21) is rotatably connected with the first bevel gear (22) and the second bevel gear (23), and the first bevel gear (22) and the second bevel gear (23) are engaged with each other, one end of the first bevel gear (22) extends to the first rotating groove (18) and is fixed with the top end of the threaded sleeve rod (19) through the inner wall of the gear slot (21), the second bevel gear (23) is fixedly connected with the second rotating rod (24), and one end of the second rotating rod (24) extends to the outside and is rotatably connected with the supporting plate (10) through the inner wall of the gear slot (21).

5. A hardware drilling apparatus according to claim 4, wherein One end of the first bevel gear (22) is rotatably connected with the first rotating groove (18).

6. A hardware drilling apparatus according to claim 4, wherein One end of the second rotating rod (24) is fixedly connected with the anti-skid block.

7. The hardware drilling apparatus of claim 1, wherein, The threads on the two first threaded rods (5) are in the same direction.

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