Rapid drilling twist drill

Abstract

The utility model relates to the field of twist drills, and discloses a quick drilling twist drill which comprises a twist drill body, and a drilling auxiliary positioning mechanism is arranged on the twist drill body. The drilling auxiliary positioning mechanism comprises a bearing, a support, a sleeve plate, an arc-shaped piece, a positioning piece, a bottom plate and a suction cup. The bearing is fixedly arranged on the outer side of the twist drill body in a sleeving mode, the sleeve plate is vertically and slidably arranged on the outer side of the support in a sleeving mode, the arc-shaped piece is fixedly connected with the sleeve plate, the inner side of the arc-shaped piece abuts against the bearing, the positioning piece is fixedly installed on the arc-shaped piece, the positioning piece and the bearing are clamped, and the bottom plate is fixedly installed at the bottom of the support. The suction cup is fixedly installed at the bottom of the bottom plate. Compared with the prior art, the twist drill has the advantages that the twist drill body can be accurately guided, the skewing phenomenon in the drilling process is prevented, the drilling accuracy of the twist drill body can be guaranteed, and the drilling quality and efficiency are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of twist drill, especially a quick drilling twist drill. BACKGROUND

[0002] Twist drill is a tool that drills a round hole in a workpiece by rotating about a fixed axis, and is named after its helical flutes. Twist drills can be held in hand-held drilling tools, drill presses, milling machines, lathes, and even machining centers, and the drill bit is usually made of high-speed tool steel or hard alloy.

[0003] The twist drill in the prior art does not have an auxiliary positioning function, and manual alignment is required for drilling, which is difficult to accurately align, and the drill bit is easy to deviate and tilt during drilling due to the lack of positioning, which affects the quality and efficiency of drilling, therefore, a quick drilling twist drill needs to be designed to solve the above problems.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be regarded as an acknowledgment or any form of suggestion that it forms prior art of this utility model. SUMMARY

[0005] The utility model aims at providing a quick drilling twist drill to solve the above problems.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a quick drilling twist drill, comprising:

[0007] A twist drill body, wherein a drilling auxiliary positioning mechanism is arranged on the twist drill body;

[0008] The drilling auxiliary positioning mechanism comprises a bearing, a support, a sleeve plate, an arc-shaped piece, a positioning piece, a bottom plate, and a suction cup;

[0009] The bearing is fixedly sleeved on the outer side of the twist drill body, the sleeve plate is vertically slidably sleeved on the outer side of the support, the arc-shaped piece is fixedly connected with the sleeve plate, the inner side of the arc-shaped piece abuts against the bearing, the positioning piece is fixedly installed on the arc-shaped piece, the positioning piece is clamped with the bearing, the bottom plate is fixedly installed at the bottom of the support, and the suction cup is fixedly installed at the bottom of the bottom plate.

[0010] The utility model further comprises a frame and a locking screw, the left support is fixedly connected with the frame, the locking screw is threadedly installed on the right support, and the locking screw is threadedly connected with the frame.

[0011] The further setting of the utility model discloses: locking screw groove is set up on the frame side, locking screw and locking screw groove are connected in screw thread.

[0012] Through the above technical scheme, two supports are conveniently combined.

[0013] The further setting of the utility model discloses: the locating groove is set up on the bearing, and the locating piece is clamped with the locating groove.

[0014] The further setting of the utility model discloses: the baffle is fixedly arranged on the top of the support.

[0015] Through the above technical scheme, the sleeve plate is limited.

[0016] The further setting of the utility model discloses: the two arc-shaped pieces abut on one side of each other.

[0017] Through the above technical scheme, two arc-shaped pieces are conveniently butt-jointed.

[0018] The further setting of the utility model discloses: the bottom of the twist drill body is penetrated through the frame.

[0019] The further setting of the utility model discloses: the number of suction discs is multiple, and multiple suction discs are arranged at equal intervals.

[0020] The utility model discloses the beneficial effect is:

[0021] The utility model discloses a drilling auxiliary positioning mechanism can be assembled on the outside of the twist drill body quickly, then through locking screw is screwed into locking screw groove and is combined locking to two supports, then the suction disc is adsorbed to the workpiece to be drilled, so that the twist drill body can be accurately guided during the hole turning process, so that the hole turning process can be prevented from being skewed, so that the hole turning precision of the twist drill body can be guaranteed, and the quality and efficiency of the hole turning can be guaranteed. ACCURACY

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0023] Figure 1 It is the structure diagram of the utility model discloses a kind of quick drilling twist drill Figure 1 .

[0024] Figure 2It is the structure diagram of the A part in the quick drilling twist drill Figure 2 .

[0025] Figure 3 It is the structure diagram of the A part in the quick drilling twist drill Figure 2 .

[0026] Figure 4 It is the structure diagram of the B part in the quick drilling twist drill Figure 2 .

[0027] In the figure, 1, twist drill main body;2, bearing;3, support;4, cover plate;5, arc-shaped piece;6, positioning piece;7, positioning groove;8, baffle;9, bottom plate;10, suction cup;11, frame;12, locking screw;13, locking screw groove. Specific embodiments

[0028] In the description of the utility model, need explanation, unless have explicit stipulation and limitation, term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication, for ordinary skilled person in the art, can pass through concrete case understanding above-mentioned term in the utility model's concrete meaning.

[0029] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0030] Referring to Figure 1 , Figure 2 , Figure 3 And Figure 4 , the utility model provides a kind of quick drilling twist drill, comprising:

[0031] Twist drill main body 1 is provided with drilling auxiliary positioning mechanism on twist drill main body 1, it needs to be explained, by the drilling auxiliary positioning mechanism of setting, when twist drill main body 1 is drilled to workpiece, can be assisted positioning processing to twist drill main body 1, so it can guarantee the precision of twist drill main body 1 drilling, guarantee the quality and efficiency of drilling;

[0032] Drilling auxiliary positioning mechanism includes bearing 2, support 3, cover plate 4, arc-shaped piece 5, positioning piece 6, bottom plate 9 and suction cup 10;

[0033] The bearing 2 is fixedly sleeved outside the twist drill body 1, the sleeve plate 4 is vertically slidably sleeved outside the support 3, the arc-shaped piece 5 is fixedly connected with the sleeve plate 4, the inner side of the arc-shaped piece 5 abuts against the bearing 2, the positioning piece 6 is fixedly installed on the arc-shaped piece 5, the positioning piece 6 is clamped with the bearing 2, and it should be noted that the inner ring of the bearing 2 is fixedly connected with the twist drill body 1, the outer ring of the bearing 2 is clamped with the positioning piece 6, so that the twist drill body 1 drives the inner ring of the bearing 2 to rotate synchronously when rotating, and the outer ring of the bearing 2 is stationary.

[0034] The bottom plate 9 is fixedly installed at the bottom of the support 3, and the suction disc 10 is fixedly installed at the bottom of the bottom plate 9.

[0035] Through the above-mentioned drilling auxiliary positioning mechanism, the two arc-shaped pieces 5 are sleeved on the bearing 2, the positioning piece 6 on the arc-shaped piece 5 is clamped into the positioning groove 7 on the bearing 2, and the suction disc 10 is adsorbed on the workpiece to be drilled, so that the twist drill body 1 can be accurately guided during the rotation and downward movement of the twist drill body 1, preventing the phenomenon of skewing during drilling, so as to ensure the drilling precision of the twist drill body 1 and the quality and efficiency of drilling.

[0036] Specifically, the drilling auxiliary positioning mechanism further comprises a frame 11 and a locking screw 12, the left support 3 is fixedly connected with the frame 11, the locking screw 12 is threadedly installed on the right support 3, the locking screw 12 is threadedly connected with the frame 11, and the frame 11 is provided with a locking screw groove 13 on the side surface, and the locking screw 12 is threadedly connected with the locking screw groove 13.

[0037] Through the above-mentioned drilling auxiliary positioning mechanism, the twist drill body 1 is first passed through the frame 11, then the two arc-shaped pieces 5 are sleeved on the bearing 2, and after the butt joint is completed, the locking screw 12 is rotated to make the locking screw 12 rotate into the locking screw groove 13 on the frame 11, so that the two supports 3 can be combined and limited.

[0038] Specifically, the bearing 2 is provided with a positioning groove 7, the positioning piece 6 is clamped with the positioning groove 7, and the two arc-shaped pieces 5 abut against each other on one side, and it should be noted that the arc-shaped piece 5 can be butt jointed with the bearing 2.

[0039] Specifically, the support 3 is provided with a baffle 8 at the top, and it should be noted that the sleeve plate 4 can be limited.

[0040] Specifically, the bottom of the twist drill body 1 penetrates the frame 11, and it should be noted that the rotation and vertical movement of the twist drill body 1 are not affected.

[0041] Specifically, the number of suction discs 10 is multiple, and the multiple suction discs 10 are arranged at equal intervals, and it should be noted that the suction disc 10 is adsorbed on the workpiece to be drilled.

[0042] Working principle:

[0043] S1: the bottom of the twist drill body 1 is passed through the frame 11, then the two arc-shaped parts 5 are sleeved on the bearing 2, so that the positioning parts 6 on the arc-shaped parts 5 are clamped into the positioning grooves 7 on the bearing 2, after the butt joint is completed, the locking screw 12 is rotated, so that the locking screw 12 is screwed into the locking screw groove 13 on the frame 11, so that the two supports 3 can be combined and limited;

[0044] S2: the suction cup 10 is adsorbed on the workpiece to be drilled, in the process of rotating and moving down of the twist drill body 1, the bearing 2 is driven to move down synchronously, the bearing 2 drives the arc-shaped part 5 to move down through the positioning part 6, the arc-shaped part 5 drives the sleeve plate 4 to move down, so that the twist drill body 1 can be accurately guided, and the phenomenon of skewing in the drilling process is prevented, so that the drilling precision of the twist drill body 1 can be ensured, and the drilling quality and efficiency can be ensured.

[0045] The above describes a quick drilling twist drill provided by the utility model in detail. The principles and implementation modes of the utility model are described by applying specific embodiments in this paper, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, the utility model can be improved and modified in many ways without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A quick drilling twist drill, characterized by, Include: The twist drill body (1), the twist drill body (1) is provided with a drilling auxiliary positioning mechanism; The drilling auxiliary positioning mechanism includes bearing (2), support (3), cover plate (4), arc piece (5), positioning piece (6), bottom plate (9) and suction cup (10); The bearing (2) is fixedly sleeved on the outer side of the twist drill body (1), the cover plate (4) is vertically slidably sleeved on the outer side of the support (3), the arc piece (5) is fixedly connected with the cover plate (4), the inner side of the arc piece (5) abuts with the bearing (2), the positioning piece (6) is fixedly installed on the arc piece (5), the positioning piece (6) is clamped with the bearing (2), the bottom plate (9) is fixedly installed on the bottom of the support (3), and the suction cup (10) is fixedly installed on the bottom of the bottom plate (9).

2. A quick drilling twist drill according to claim 1, characterized in that The drilling auxiliary positioning mechanism further includes frame (11) and locking screw (12), left support (3) is fixedly connected with frame (11), locking screw (12) is threadedly installed on right support (3), and locking screw (12) is threadedly connected with frame (11).

3. A quick drilling twist drill according to claim 2, characterized in that The frame (11) side is provided with locking screw groove (13), and the locking screw (12) is threadedly connected with the locking screw groove (13).

4. A quick drilling twist drill according to claim 1, wherein The bearing (2) is provided with a positioning groove (7), and the positioning piece (6) is clamped with the positioning groove (7).

5. A quick drilling twist drill according to claim 1, wherein The support (3) is provided with a baffle (8) on the top.

6. A quick drilling twist drill according to claim 1, wherein Two arc pieces (5) abut on one side close to each other.

7. A quick drilling twist drill according to claim 2, wherein The bottom of the twist drill body (1) penetrates the frame (11).

8. A quick drilling twist drill according to claim 1, wherein The number of suction cups (10) is multiple, and multiple suction cups (10) are arranged at equal intervals.

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