Drill bit with automatic cooling function

Abstract

The drill bit with the automatic cooling function comprises a supporting plate, a fixing base, a milling drill bit, a cooling mechanism and a linkage mechanism, the fixing base is fixed to the supporting plate, the milling drill bit is connected to the fixing base, and the cooling mechanism and the linkage mechanism are both arranged on the supporting plate. The cooling mechanism and the linkage mechanism are arranged, cooling liquid is sprayed through a cooling liquid spray head in the cooling mechanism to actively cool a milling drill bit, and during cooling, a servo motor drives a linkage rotating disc to rotate and drives a sliding rod to slide in an adjusting sliding groove, so that a driven plate is synchronously driven to rotate; a driven plate drives an adjusting rod to be in linkage, then a linkage plate rotates, a first limiting rod slides in a first sliding groove in a reciprocating mode through rotation of the linkage plate, then a bearing plate is driven to be in linkage through a transmission rod, then the angle of a cooling liquid spray head is adjusted, and cooling liquid can be evenly sprayed to the surface of a milling drill bit.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drill bit, concretely is a drill bit with independent cooling function belongs to drill bit cutter technical field. BACKGROUND

[0002] Drill bit cutter, the traditional craft is on the solid round bar and carries out the blade treatment, and the drill bit needs to be in contact with the workpiece of high -speed rotation when working, and the material hardness of processing is relatively high, so a large amount of heat is often generated in the process of processing due to the reason of friction, when the temperature reaches certain value, directly influence the working efficiency and service life of drill bit cutter, therefore need to carry out the cooling of the surface of drill bit.

[0003] However, the existing drill bit cutter mostly exists various problems, for example, in the drill bit cutter disclosed in the public number CN207900306U, although the drill bit cutter can be cooled independently when working, and the phenomenon of drill body breakage by external force can be prevented, but in most of the drill bit cutter at present, the drill bit cutter is cooled by the way that the external cooling liquid is sprayed to the outer surface of the drill bit, and the cooling liquid generally needs to flow from one end of the drill bit to the other end, in the process of flowing, the cooling liquid is heated, resulting in that the cooling effect of the cooling liquid is greatly discounted, and then the cooling effect of the drill bit is greatly discounted, which is easy to cause the temperature of the drill bit to be too high and affect the working efficiency and service life, and there is great safety hazard. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme provides the solution scheme that is significantly different from prior art in view of the technical problem that prior art solution scheme is too single, specifically, the purpose of the utility model is to solve the above-mentioned shortcomings in prior art, and a drill bit with independent cooling function is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a drill bit with independent cooling function, comprising support plate, fixed base, milling drill bit, cooling mechanism and linkage mechanism, the fixed base is fixed on the support plate, the milling drill bit is connected on the fixed base, the cooling mechanism and linkage mechanism are all arranged on the support plate;

[0006] The cooling mechanism includes linkage plate, transmission rod, butt joint plate, supporting plate and cooling liquid spray head, one end of the linkage plate is rotatably connected on the support plate, the transmission rod is rotatably connected on the other end of the linkage plate, one end of the butt joint plate is fixed on the transmission rod, the supporting plate is fixed on the other end of the butt joint plate, the cooling liquid spray head is arranged on the supporting plate, and the cooling liquid spray head is above the milling drill bit.

[0007] Preferably, the linkage mechanism comprises a connecting plate, a first limiting rod and a first sliding groove, one side of the connecting plate is fixed on the transmission rod away from the butt plate, the first limiting rod is arranged on the other side of the connecting plate, the first sliding groove is arranged through the support plate, and the first limiting rod is slidingly connected in the first sliding groove.

[0008] Preferably, the linkage mechanism further comprises a linkage turntable, a driven plate, an adjusting rod, an adjusting sliding groove and a sliding rod, the linkage turntable is rotationally connected on the support plate, the driven plate is in a V-shaped structure, the center of the driven plate is rotationally connected with the support plate through a rotating rod, the two ends of the adjusting rod are rotationally connected between one end of the driven plate and the linkage plate, the adjusting sliding groove in a special-shaped structure is arranged on the linkage turntable, and the sliding rod is connected to the other end of the driven plate and slidingly connected in the adjusting sliding groove.

[0009] Preferably, a servo motor is fixed on the support plate, and an output shaft of the servo motor is fixed at the center of the linkage turntable.

[0010] Preferably, a screw port is arranged on the cooling liquid nozzle, a conduit is connected in the screw port through threads, and one end of the conduit is connected with an external flow guide device.

[0011] Preferably, an arc-shaped second sliding groove is arranged through the support plate, and a second limiting rod is fixed on the linkage plate, and the second limiting rod is slidingly connected in the second sliding groove.

[0012] The utility model discloses a milling drill bit cooling device, which comprises a support plate, a transmission rod, a butt plate, a linkage plate, a linkage mechanism and a cooling mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the cooling mechanism and whole connection structure schematic diagram of the utility model;

[0015] Figure 3 It is the linkage mechanism structure schematic diagram of the utility model;

[0016] Figure 4This is a schematic diagram of the second limiting rod and its connection structure of the present invention.

[0017] In the diagram: 1. Support plate, 2. Fixed base, 3. Milling drill bit, 4. Cooling mechanism, 41. Linkage plate, 42. Transmission rod, 43. Connecting plate, 44. Support plate, 45. Coolant nozzle, 5. Linkage mechanism, 51. Connecting plate, 52. First limit rod, 53. First slide groove, 54. Linkage turntable, 55. Driven plate, 56. Adjusting rod, 57. Adjusting slide groove, 58. Slide rod, 59. Servo motor, 6. Second limit rod, 7. Second slide groove. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1, as Figures 1 to 4 As shown, a drill bit with an autonomous cooling function includes a support plate 1, a fixed base 2, a milling drill bit 3, a cooling mechanism 4, and a linkage mechanism 5. The fixed base 2 is fixed on the support plate 1, the milling drill bit 3 is connected to the fixed base 2, and the cooling mechanism 4 and the linkage mechanism 5 are both set on the support plate 1.

[0020] The cooling mechanism 4 includes a linkage plate 41, a transmission rod 42, a docking plate 43, a support plate 44, and a coolant nozzle 45. One end of the linkage plate 41 is rotatably connected to the support plate 1, the transmission rod 42 is rotatably connected to the other end of the linkage plate 41, one end of the docking plate 43 is fixed to the transmission rod 42, the support plate 44 is fixed to the other end of the docking plate 43, and the coolant nozzle 45 is disposed on the support plate 44 and is located above the milling drill bit 3.

[0021] The linkage mechanism 5 includes a connecting plate 51, a first limiting rod 52 and a first sliding groove 53. One side of the connecting plate 51 is fixed to the end of the transmission rod 42 away from the docking plate 43. The first limiting rod 52 is set on the other side of the connecting plate 51. The first sliding groove 53 is set through the support plate 1, and the first limiting rod 52 is slidably engaged in the first sliding groove 53.

[0022] The linkage mechanism 5 further comprises a linkage rotating disc 54, a driven plate 55, an adjusting rod 56, an adjusting sliding groove 57 and a sliding rod 58, the linkage rotating disc 54 is rotationally connected to the supporting plate 1, the driven plate 55 is in a V-shaped structure, and the center of the driven plate 55 is rotationally connected to the supporting plate 1 through a rotating rod, the two ends of the adjusting rod 56 are respectively rotationally connected between one end of the driven plate 55 and the linkage plate 41, the adjusting sliding groove 57 in a special-shaped structure is arranged on the linkage rotating disc 54, the sliding rod 58 is connected to the other end of the driven plate 55 and is slidingly connected in the adjusting sliding groove 57, and the supporting plate 1 is fixed with a servo motor 59, and the output shaft of the servo motor 59 is fixed at the center of the linkage rotating disc 54.

[0023] In the utility model, the cooling liquid in the cooling mechanism 4 is sprayed on the milling drill bit 3 to actively cool the milling drill bit 3, and at the same time of cooling, the servo motor 59 drives the linkage rotating disc 54 to rotate and drives the sliding rod 58 to slide in the adjusting sliding groove 57, thereby synchronously driving the driven plate 55 to rotate, the driven plate 55 drives the adjusting rod 56 to link, thereby making the linkage plate 41 rotate, the first limiting rod 52 reciprocatingly slides in the first sliding groove 53 through the rotation of the linkage plate 41, thereby driving the supporting plate 44 to link through the transmission rod 42, thereby realizing the adjustment of the angle of the cooling liquid spray head 45, and thereby making the cooling liquid uniformly sprayed on the surface of the milling drill bit 3, effectively avoiding the situation that the cooling liquid is heated, thereby reducing the cooling effect.

[0024] In the embodiment two, as shown in the figure, Figures 1 to 4 The cooling liquid spray head 45 is provided with a screw port, a conduit is connected to the screw port through threads, one end of the conduit is connected with an external flow guide device, external cooling liquid is introduced into the cooling liquid spray head 45 through the conduit, and is sprayed out through the cooling liquid spray head 45.

[0025] The second sliding groove 7 in an arc-shaped structure is arranged through the supporting plate 1, and the second limiting rod 6 is fixed on the linkage plate 41 and slidingly connected in the second sliding groove 7, thereby limiting the linkage plate 41 through the second sliding groove 7.

[0026] In use, the cooling liquid nozzle 45 is connected to the external flow guide device through the conduit, then the high-speed rotating workpiece is abutted with the milling drill 3, and the workpiece is milled by the milling drill 3, and at the same time of milling, the cooling liquid nozzle 45 sprays the cooling liquid to actively cool the milling drill 3, and at the same time of cooling, the servo motor 59 drives the linkage turntable 54 to rotate, and drives the slide rod 58 to slide in the adjusting sliding groove 57, thereby synchronously driving the driven plate 55 to rotate, and the driven plate 55 drives the adjusting rod 56 to link, thereby making the linkage plate 41 rotate, the first limiting rod 52 reciprocatingly slides in the first sliding groove 53 through the rotation of the linkage plate 41, thereby driving the supporting plate 44 to link through the transmission rod 42, thereby realizing the adjustment of the angle of the cooling liquid nozzle 45, and thereby the cooling liquid can be uniformly sprayed on the surface of the milling drill 3.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A drill bit with an independent cooling function, comprising a support plate (1), a fixed base (2), a milling drill bit (3), a cooling mechanism (4), and a linkage mechanism (5), characterized in that, The fixed base (2) is fixed on the support plate (1), the milling drill bit (3) is connected to the fixed base (2), and the cooling mechanism (4) and the linkage mechanism (5) are both set on the support plate (1); The cooling mechanism (4) includes a linkage plate (41), a transmission rod (42), a docking plate (43), a support plate (44), and a coolant nozzle (45). One end of the linkage plate (41) is rotatably connected to the support plate (1), the transmission rod (42) is rotatably connected to the other end of the linkage plate (41), one end of the docking plate (43) is fixed to the transmission rod (42), the support plate (44) is fixed to the other end of the docking plate (43), and the coolant nozzle (45) is set on the support plate (44) and is located above the milling drill bit (3).

2. The drill bit according to claim 1, characterized in that: The linkage mechanism (5) includes a connecting plate (51), a first limiting rod (52) and a first sliding groove (53). One side of the connecting plate (51) is fixed on the transmission rod (42) away from the docking plate (43). The first limiting rod (52) is set on the other side of the connecting plate (51). The first sliding groove (53) is set through the support plate (1), and the first limiting rod (52) is slidably engaged in the first sliding groove (53).

3. The drill bit according to claim 1, characterized in that: The linkage mechanism (5) further includes a linkage turntable (54), a driven plate (55), an adjusting rod (56), an adjusting groove (57), and a sliding rod (58). The linkage turntable (54) is rotatably connected to the support plate (1). The driven plate (55) has a V-shaped structure, and the center of the driven plate (55) is rotatably connected to the support plate (1) through a rotating rod. The two ends of the adjusting rod (56) are respectively rotatably connected between one end of the driven plate (55) and the linkage plate (41). The irregularly shaped adjusting groove (57) is set on the linkage turntable (54). The sliding rod (58) is connected to the other end of the driven plate (55) and is slidably engaged in the adjusting groove (57).

4. The drill bit according to claim 3, characterized in that: A servo motor (59) is fixed on the support plate (1), and the output shaft of the servo motor (59) is fixed at the center of the linkage turntable (54).

5. The drill bit according to claim 1, characterized in that: The coolant nozzle (45) is provided with a screw port, and a conduit is connected to the screw port by a thread, and one end of the conduit is connected to an external flow guiding device.

6. The drill bit according to claim 1, characterized in that: The support plate (1) has a second sliding groove (7) with an arc structure, and a second limiting rod (6) is fixed on the linkage plate (41). The second limiting rod (6) is slidably engaged in the second sliding groove (7).

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