Adjustable drill bit and drilling machine

By designing the rotating components and limiting components of adjustable drill bits, the problem that the drill bit cannot be adjusted in an angle is solved, and the drill bit is flexible and stable locked at different angles is achieved, which improves the operating flexibility and efficiency of the drill bit.

CN222902712UActive Publication Date: 2025-05-27GUIYANG ARCHITECTURAL SURVEY & DESIGN CO LTD
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Patent Information

Application Number
CN202420937450.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-05-27
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The drill bits of existing drilling machines cannot adjust the angle, making it difficult to drill holes in environments with small space environments or inconvenient conditions.

Method used

An adjustable drill bit is designed, including a drill bit body, a rotating assembly and a restricting assembly. By connecting the ball and the semicircle plate, the drill bit can be adjusted within a certain angle range, and self-locking is achieved through the structure of the locking groove and locking strip to ensure stable angle.

Benefits of technology

It realizes flexible adjustment and stable locking of the drill bit at different angles, and is suitable for various complex drilling environments, improving the operating flexibility and efficiency of the drilling machine.

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Abstract

The utility model discloses an adjustable drill bit and a drilling machine, the adjustable drill bit comprises a drill bit body, the drill bit body comprises a shell, a placing cavity arranged at the front end of the shell and a drill bit rod body arranged in the placing cavity, and a drill bit is arranged at one end, far away from the shell, of the drill bit rod body; the rotating assembly comprises a semicircular plate arranged at the end, away from the shell, of the drill bit rod body and a connecting ball connected into the semicircular plate, the rear end of the drill bit is connected with a connecting rod, the connecting ball is connected to the end, away from the drill bit, of the connecting rod, and a driving part for driving the drill bit to rotate is arranged between the connecting ball and the drill bit; and the limiting assembly is arranged between the semicircular plate and the connecting ball.
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Description

Technical Field

[0001] The utility model relates to the technical field of drilling machines, in particular to an adjustable drill bit and a drilling machine. Background Art

[0002] Drilling machine refers to the general term for machinery and equipment that uses a tool that is harder and sharper than the target object to leave a cylindrical hole or hole on the target object by means of rotary cutting or rotary extrusion. It is also called drilling machine, punching machine, eyelet drilling machine, through-hole machine, etc. It achieves the desired effect by drilling holes in precision parts. Drilling machines include semi-automatic drilling machines and fully automatic drilling machines. With the increase in human resource costs, most companies consider fully automatic drilling machines as a development direction.

[0003] However, the drill bits of most existing drilling machines are often unable to adjust the angle. When drilling is required in a small space or in an inconvenient environment, the drilling operation often cannot be carried out smoothly. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing adjustable drill bit and drilling machine, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide an adjustable drill bit and a drilling machine.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an adjustable drill bit and a drilling machine, comprising: a drill bit body, including a shell, a placement cavity opened at the front end of the shell and a drill bit rod body arranged in the placement cavity, and a drill bit is arranged at the end of the drill bit rod body away from the shell; a rotating assembly, including a semicircular plate arranged at the end of the drill bit rod body away from the shell and a connecting ball connected to the semicircular plate, a connecting rod is connected to the rear end of the drill bit, the connecting ball is connected to the end of the connecting rod away from the drill bit, and a driving component for driving the drill bit to rotate is arranged between the connecting ball and the drill bit; and a limiting assembly, wherein the rotating component is arranged between the semicircular plate and the connecting ball.

[0008] As a preferred solution of the adjustable drill bit and drilling machine described in the utility model, the limiting component includes a locking groove opened on the inner side of the semicircular plate, a first locking strip slidably connected in the locking groove, a second locking strip connected to the rear end of the locking groove, and a latching tooth arranged on the side of the locking strip close to the connecting ball, and the connecting ball is provided with a first latching strip that cooperates with the latching tooth, wherein the first locking strip and the second locking strip are arranged perpendicular to each other, the second locking strip is also provided with a latching tooth, and the rear end of the first locking strip is provided with a second latching strip that cooperates with the latching tooth.

[0009] As a preferred solution of the adjustable drill bit and drilling machine of the utility model, arc-shaped baffles are arranged on the side walls of the first locking bar and the second locking bar.

[0010] As a preferred solution of the adjustable drill bit and drilling machine of the utility model, a conical block is arranged at one end where the first clamping strip and the second clamping strip cooperate with the clamping teeth.

[0011] The utility model also discloses a drilling machine, which also includes a bearing assembly, including a receiving body, a feeding piece arranged on the receiving body and a unloading piece arranged on the receiving body; and an installation assembly, including a drilling piece arranged on the receiving body and a transporting piece arranged on the receiving body.

[0012] As a preferred solution of the adjustable drill bit and drilling machine described in the utility model, the drilling component includes a first drilling plate arranged on a receiving body, a second drilling plate slidably connected to the receiving body, and an adjustable drill bit detachably arranged between the first drilling plate and the second drilling plate.

[0013] As a preferred solution of the adjustable drill bit and drilling machine of the utility model, it also includes:

[0014] The transport component comprises a processing frame arranged on a receiving body and a plurality of hooks arranged on the processing frame.

[0015] The beneficial effects of the utility model are as follows: when the operator rotates the connecting ball, the operator grasps the drill bit and then turns it in the required angle direction. When turning in the forward direction, the first clamping strip at the rear end of the connecting ball moves on the clamping teeth of the first locking strip, and then moves along the length direction of the second locking strip. At this time, the connecting ball is integrated with the first locking strip, and the second clamping strip at the rear end of the first locking strip will move on the clamping teeth of the second locking strip. At this time, the first locking strip completes lateral movement on the second locking strip, which also drives the position of the connecting ball to change. When it moves into place, because the first clamping strip or the second clamping strip is in a meshing state with the clamping teeth, the position of the first locking strip and the connecting ball is locked, and it is difficult to be moved due to external forces. Therefore, this arrangement completes self-locking after the connecting ball moves to the appropriate position, and the same is true for reverse turning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of the adjustable drill bit of the utility model.

[0018] Figure 2 This is a schematic diagram of the connecting ball structure of the adjustable drill bit of the utility model.

[0019] Figure 3 This is a schematic diagram of the limiting assembly of the adjustable drill bit of the utility model.

[0020] Figure 4 It is a cross-sectional schematic diagram of the adjustable drill bit of the utility model.

[0021] Figure 5 The utility model is a schematic diagram of the overall structure of the drilling machine. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] Example 1

[0027] Reference Figure 1-Figure 5 An adjustable drill bit includes a drill body 100, including a shell 101, a placement cavity 503 opened at the front end of the shell 101, and a drill rod 103 arranged in the placement cavity 503; a rotating assembly 200, including a semicircular plate 201 arranged at the end of the drill rod 103 away from the shell 101, a connecting ball 202 connected to the semicircular plate 201, and a drill bit 104 connected to the connecting ball 202, and a driving component for driving the drill bit 104 to rotate is provided between the connecting ball 202 and the drill bit 104; and a limiting assembly 300, wherein the limiting assembly 300 is arranged between the semicircular plate 201 and the connecting ball 202.

[0028] Specifically, the main structure of the utility model includes a drill body 100. In the present embodiment, the drill body 100 includes a shell 101, which is cylindrical in shape, and a placement cavity is provided at the front end of the shell 101. The length direction of the placement cavity 503 is parallel to the length direction of the shell 101, and a drill rod body 103 is detachably connected in the placement cavity, with one end extending outward from the placement cavity, and a cross-sectional shape of the drill rod body 103 is hexagonal. The hexagonal shape can enhance the hardness and strength of the drill rod body 103 itself. A connecting rod 105 is also connected to the front end of the drill rod body 103, and the connecting rod 105 is cylindrical in shape. A drill bit 104 is connected to the end of the connecting rod 105 away from the drill rod body 103.

[0029] Furthermore, a rotating assembly 200 is provided between the drill bit body 103 and the drill bit 104. The rotating assembly 200 can rotate the drill bit 104, and then the drill bit 104 and the drill bit body 103 present different angles. In this embodiment, the rotating assembly 200 includes a semicircular plate 201 provided at one end of the drill bit body 103 away from the housing 101, and the semicircular plate 201 is close to the drill bit body 103. A truncated cone-shaped rubber ring is arranged on the side, and then connected to the drill rod body 103. At the same time, a connecting ball 202 is also connected in the semicircular plate 201, and the connecting ball 202 is connected to the inner wall of the semicircular plate 201. Then, the port at the end of the semicircular plate 201 away from the drill rod body 103 is arranged to be close to the center of the semicircular plate 201. When rotation is required, the operator rotates the drill bit 104, and the connecting ball 202 at the rear end of the drill bit 104 will rotate in the semicircular plate 201, so that the angle can be adjusted at will.

[0030] Furthermore, a limiting component is provided between the semicircular plate 201 and the connecting ball 202 , and the limiting component can limit the rotation of the connecting ball 202 .

[0031] Furthermore, in order to realize automatic screwing operation, a driving component for driving the drill bit 104 to rotate automatically is provided between the connecting ball 202 and the drill bit 104. After the operator rotates the drill bit 104 to a certain position, the driving component is started and the drill bit 104 rotates. In this embodiment, the driving component is a motor.

[0032] Operation process: When drilling, the operator grabs the drill bit 104, and then rotates the drill bit 104 with the cooperation of the connecting ball 202 at the rear end of the drill bit 104 and the semicircular plate 201. When it is rotated to a suitable position, the drill bit 104 is connected to the screw, and then the connecting ball 202 is fixed in position with the cooperation of the limiting component. Then the operator starts the driving component to rotate the drill bit 104.

[0033] The limiting component 300 includes a locking groove 301 provided on the inner side of the semicircular plate 201, a first locking bar 302 slidably connected in the locking groove 301, a second locking bar 303 connected to the rear end of the locking groove 301, and a latching tooth 304 arranged on the first locking bar 302 and the second locking bar 303, and a first latching bar 305 cooperating with the latching tooth 304 is provided on the connecting ball 202, wherein the first locking bar 302 and the second locking bar 303 are arranged perpendicular to each other, and the second locking bar 303 is also provided with a latching tooth 304, and a second latching bar 306 cooperating with the latching tooth 304 is provided at the rear end of the first locking bar 302, and an arc-shaped baffle 308 is provided on the side walls of the first locking bar 302 and the second locking bar 303, and a conical block 307 is provided at one end of the first latching bar 305 and the second latching bar 306 cooperating with the latching tooth 304.

[0034] Specifically, in the present embodiment, the limiting component 300 includes a locking groove 301 provided on the inner side of the semicircular plate 201, and then a first locking bar 302 is slidably connected inside the locking groove 301, and then the sliding direction of the first locking bar 302 is along the ball diameter direction perpendicular to the length direction of the first locking bar 302, and then a second locking bar 303 is fixed between the locking groove 301 and the first locking bar 302, and from the perspective of observing from the upper end, the first locking bar 302 and the second locking bar 303 are arranged perpendicular to each other, and then a latch tooth 304 is arranged on the outward side of the first locking bar 302 and the second locking bar 303, and the latch tooth 304 is shaped as a plurality of tightly connected triangular prism blocks, and all face the notch direction of the locking groove 301.

[0035] Furthermore, a second clamping strip 306 is fixed to one end of the first locking strip 302 close to the second locking strip 303. The second clamping strip 306 always cooperates with the locking tooth 304 on the second locking strip 303, and a conical block 307 is provided at the end of the second clamping strip 306 that cooperates with the locking tooth 304. The conical block 307 can make the second clamping strip 306 and the locking tooth 304 more stable when cooperating.

[0036] Furthermore, a first clamping strip 305 is fixed on the side of the connecting ball 202 close to the first locking strip 302. The shape of the first clamping strip 305 is the same as the second shape, and the first clamping strip 305 is engaged with the tooth 304 of the first locking strip 302. When the connecting ball 202 rotates along the length direction of the first locking strip 302, the first clamping strip 305 will move on the tooth 304 of the first locking strip 302. When it moves to a suitable position, the first clamping strip 305 is engaged with the tooth 304, and the position of the connecting ball 202 is locked.

[0037] Furthermore, an arc-shaped baffle 308 is fixed on the side walls of the first locking bar 302 and the second locking bar 303. The shape of the arc-shaped baffle 308 is the same as the cross-sectional shape of the first locking bar 302 and the second locking bar 303, and the area of ​​the arc-shaped baffle 308 is slightly larger, and the height is the height of the latch tooth 304. The purpose of providing the arc-shaped baffle 308 is that when the connecting ball 202 wants to move in the length direction of the second locking bar 303, the first locking bar 305 will drive the first locking bar 302 to move under the action of the arc-shaped baffle 308, so that the first locking bar 302 can slide on the second locking bar 303, thereby realizing the movement of the connecting ball 202 in the length direction of the second locking bar 303. At the same time, when the first locking bar 305 or the second locking bar 306 moves on their respective first locking bar 302 or second locking bar 303, the arc-shaped baffle 308 will prevent the first locking bar 305 or the second locking bar 306 from disengaging from the first locking bar 302 or the second locking bar 303.

[0038] When the user presses the key 304 to move the first locking bar 302 in the forward direction, the second locking bar 303 is moved along the length direction of the second locking bar 303, and the first locking bar 302 is moved along the length direction of the second locking bar 303.

[0039] Example 2

[0040] Reference Figure 5This embodiment is different from the above embodiments in that: a drilling machine includes a bearing assembly 400. In this embodiment, the bearing assembly 400 includes a receiving body 401. The receiving body 401 is the main structure of the entire drilling and forming device. The receiving body 401 is placed on the ground as a whole and has a rectangular shape as a whole. A feeding piece 402 is also provided on the receiving body 401. In this embodiment, the feeding piece 402 includes a containing box provided at one end of the receiving body 401. At the same time, a placing plate is provided on a side of the receiving body 401 close to the containing box, which is used for an operator to place auxiliary tools or transport some equipment. A unloading piece 403 is also provided on the side of the receiving body 401 away from the equipment table 402.

[0041] The mounting assembly 404 includes a drilling member 405 disposed on the receiving body 401 and a transport member 406 disposed on the receiving body 401; and

[0042] Furthermore, in the present embodiment, the drilling member 405 includes a first drilling plate 405a arranged on the receiving body 401, the first drilling plate 405a is arranged on the receiving body 401 and always remains in a flat state, and a second drilling plate 405b is also slidably connected to the upper end position of the receiving body 401, the second drilling plate 405b slides in the vertical direction, and the shape of the second drilling plate 405b is consistent with the shape of the first drilling plate 405a, thereby ensuring the alignment of the first drilling plate 405a and the second drilling plate 405b during drilling, and an adjustable drill bit between the first drilling plate 405a and the second drilling plate 405b, the adjustable drill bit can be removed from the first drilling plate 405a and the second drilling plate 405b.

[0043] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An adjustable drill bit, characterized in that: include, The drill body (100) comprises a housing (101), a placement cavity (503) opened at the front end of the housing (101), and a drill rod (103) arranged in the placement cavity (503), wherein a drill bit (104) is arranged at one end of the drill rod (103) away from the housing (101); The rotating assembly (200) comprises a semicircular plate (201) arranged at one end of the drill bit rod body (103) away from the housing (101) and a connecting ball (202) connected to the semicircular plate (201); the rear end of the drill bit (104) is connected to a connecting rod (105); the connecting ball (202) is connected to one end of the connecting rod (105) away from the drill bit (104); a driving component for driving the drill bit (104) to rotate is arranged between the connecting ball (202) and the drill bit (104); and, A limiting component (300) is arranged between the semicircular plate (201) and the connecting ball (202).

2. The adjustable drill bit according to claim 1, characterized in that: The limiting assembly (300) comprises a locking groove (301) provided on the inner side of the semicircular plate (201), a first locking bar (302) slidably connected in the locking groove (301), a second locking bar (303) connected to the rear end of the locking groove (301), and latching teeth (304) arranged on the first locking bar (302) and the second locking bar (303), and a first latching bar (305) cooperating with the latching teeth (304) is arranged on the connecting ball (202). The first locking bar (302) and the second locking bar (303) are arranged perpendicular to each other, the second locking bar (303) is also provided with a latching tooth (304), and the rear end of the first locking bar (302) is provided with a second latching bar (306) that cooperates with the latching tooth (304).

3. The adjustable drill bit according to claim 2, characterized in that: Arc-shaped baffles (308) are provided on the side walls of the first locking bar (302) and the second locking bar (303).

4. The adjustable drill bit according to claim 2, characterized in that: A conical block (307) is provided at one end of the first clamping strip (305) and the second clamping strip (306) that cooperate with the clamping teeth (304).

5. A drilling machine, characterized in that: The adjustable drill bit comprises any one of claims 1 to 4, further comprising: The bearing assembly (400) comprises a receiving body (401), a feeding member (402) arranged on the receiving body (401), and a discharging member (403) arranged on the receiving body (401); and, The mounting assembly (404) comprises a drilling member (405) arranged on the receiving body (401) and a transport member (406) arranged on the receiving body (401).

6. The drilling machine according to claim 5, characterized in that: The drilling member (405) comprises a first drilling plate (405a) arranged on a receiving body (401), a second drilling plate (405b) slidably connected to the receiving body (401), and an adjustable drill bit detachably arranged between the first drilling plate (405a) and the second drilling plate (405b), and the housing (101) is detachably connected to the first drilling plate (405a).

7. The drilling machine according to claim 6, characterized in that: Also includes, A transport component (500) comprises a processing frame (501) arranged on a receiving body (401) and a plurality of hooks arranged on the processing frame (501).