Drill bit machining positioning device

Abstract

The utility model relates to the field of drill bit machining equipment, in particular to a drill bit machining positioning device which comprises a box body and an abutting seat, the box body is provided with a containing cavity, the containing cavity is used for allowing a drill bit to be embedded, a machining hole is formed in the cavity wall of the containing cavity, the abutting seat is slidably embedded in the containing cavity, and the sliding direction of the abutting seat is parallel to the axis direction of the machining hole. A conical abutting groove is formed in the side, close to the machining hole, of the abutting base, the axis of the abutting groove coincides with the axis of the machining hole, and the abutting groove is used for abutting against the end, away from the machining hole, of the drill bit. The box body is provided with the containing cavity, the containing cavity is used for allowing a drill bit to be embedded, the possibility that in the machining process, an external object collides with a workpiece, and consequently the workpiece deviates is reduced, the abutting base is provided with the conical abutting groove, the positioning device is suitable for drill bits of more sizes, and the application range of the device is widened; the abutting groove abuts against the end, away from the machining hole, of the workpiece, the axis of the workpiece coincides with the axis of the machining hole, and the machining precision of the center hole of the drill bit is improved.

Description

Technical Field

[0001] This application relates to the technical field of drill bit processing equipment, and particularly to a positioning device for drill bit processing. Background Art

[0002] During drilling, a positioning device for the workpiece being processed is indispensable to ensure reliable drilling accuracy. Especially in the production process of drill tools, the positioning device is particularly important.

[0003] When machining the center hole of an existing drill bit, the drill bit is mainly positioned by a flat block abutting against both ends of the drill bit. There is a situation where the axis of the theoretical center hole deviates from the axis of the actually machined center hole. The positioning accuracy of the positioning device is relatively low, which affects the machining accuracy of the center hole of the drill bit. Utility Model Content

[0004] In order to improve the machining accuracy of drill bit processing equipment, this application provides a positioning device for drill bit processing.

[0005] The positioning device for drill bit processing provided by this application adopts the following technical solutions:

[0006] A positioning device for drill bit processing includes a box body and an abutting seat. The box body is provided with a receiving cavity for the drill bit to be inserted. A processing hole is provided on the wall of the receiving cavity, which is connected to the outside. The axis of the processing hole coincides with the axis of the drill bit. The processing hole is for a drilling mechanism to extend into for processing the drill bit. The abutting seat is slidably inserted into the receiving cavity, and the sliding direction of the abutting seat is parallel to the axis direction of the processing hole. On the side of the abutting seat close to the processing hole, there is an abutting groove, which is conical. The axis of the abutting groove coincides with the axis of the processing hole, and the abutting groove is used to abut against one end of the drill bit away from the processing hole.

[0007] By adopting the above technical solutions, the box body is provided with a receiving cavity for the drill bit to be inserted, reducing the possibility of the workpiece being offset due to collision with external objects during processing. The abutting seat is provided with a conical abutting groove, making the positioning device applicable to drill bits of more sizes and improving the applicable range of the device. The axis of the abutting groove coincides with the axis of the processing hole, and the abutting groove abuts against one end of the workpiece away from the processing hole, making the axis of the workpiece coincide with the axis of the processing hole, improving the positioning accuracy of the device and the machining accuracy of the center hole of the drill bit.

[0008] Preferably, it further includes a driving cylinder, which is connected to the box body and is used to drive the abutting seat to slide.

[0009] By adopting the above technical solutions, the driving cylinder pushes the abutting seat to slide, improving the sliding stability of the abutting seat, the positioning accuracy of the device, and the machining accuracy of the center hole of the drill bit.

[0010] Preferably, it further includes a guide rail and a sliding seat. The guide rail is embedded in the accommodating cavity, and the length direction of the guide rail is parallel to the sliding direction of the abutting seat. The sliding seat is slidably connected to the guide rail, and the sliding direction of the sliding seat is parallel to the length direction of the guide rail. The abutting seat is connected to the sliding seat.

[0011] By adopting the above technical solution, the guide rail and the sliding seat are provided. The guide rail is connected to the wall of the accommodating cavity, the sliding seat is slidably connected to the guide rail, the sliding direction of the sliding seat is parallel to the sliding direction of the abutting seat, and the abutting seat is connected to the sliding seat, so that the sliding seat can slide stably when driven by the driving cylinder.

[0012] Preferably, there are two guide rails, and the two guide rails are symmetrically distributed along the direction perpendicular to the sliding direction of the sliding seat.

[0013] By adopting the above technical solution, the two guide rails are symmetrically distributed along the direction perpendicular to the sliding direction of the sliding seat, improving the stability when the abutting seat abuts against the drill bit.

[0014] Preferably, the sliding seat is provided with a fixing hole, and the abutting seat is provided with a connecting hole for a bolt to pass through and be threadedly connected to the fixing hole.

[0015] By adopting the above technical solution, the bolt passes through the connecting hole and is threadedly connected to the fixing hole, which facilitates the installation and disassembly of the abutting seat and the sliding seat. When replacing, the sliding seat or the abutting seat can be replaced separately, reducing the production cost.

[0016] Preferably, the outer wall of one end of the abutting seat away from the abutting groove is provided with a positioning groove. The wall of the positioning groove abuts against the surface of one side of the sliding seat close to the mounting seat, and the bottom of the positioning groove fits with the surface of one side of the sliding seat away from the guide rail.

[0017] By adopting the above technical solution, when installing the abutting seat, the wall of the positioning groove is abutted against the wall of the sliding seat to realize the preliminary positioning of the abutting seat and the sliding seat, which is convenient for the subsequent bolt to pass through the connecting hole and be embedded in the fixing hole, improving the installation efficiency of the abutting seat and the sliding seat.

[0018] Preferably, it further includes a mounting seat. The mounting seat is connected to the wall of the accommodating cavity. The mounting seat is provided with a mounting groove for one end of the drill bit to be processed to be embedded. The bottom of the mounting groove is provided with a through hole, and the axis of the through hole coincides with the axis of the processing hole.

[0019] By adopting the above technical solution, the mounting seat is provided. The mounting seat is provided with a mounting groove, and one end of the drill bit is embedded in the mounting groove, reducing the possibility that the offset distance between the axis of the drill bit and the axis of the abutting groove is relatively large, contributing to the abutting seat abutting tightly against the drill bit and improving the feeding efficiency of the drill bit.

[0020] Preferably, it further includes an airbag, a slider and a first reset member. A sliding groove is provided at the bottom of the installation groove. The slider is slidably embedded in the sliding groove. The sliding direction of the slider is parallel to the axis direction of the through hole. The first reset member is connected between the slider and the mounting seat. The first reset member makes one end of the slider away from the bottom of the sliding groove tend to extend out of the sliding groove. An embedding groove is provided at the wall of the installation groove. The airbag is embedded in the embedding groove. A connection channel is provided at the bottom of the embedding groove. The connection channel is communicated with the sliding groove.

[0021] By adopting the above technical solution, the abutting seat abuts against the drill bit, so that the drill bit abuts against the bottom of the installation groove. The drill bit pushes the slider to overcome the elastic force of the first reset member and slide into the sliding groove. The gas in the sliding groove is pressed into the embedding groove through the connection channel and then into the airbag. The airbag expands and tightly abuts against the outer wall of the drill bit, reducing the possibility of the drill bit shifting during the machining process, improving the clamping stability of the device, and improving the machining accuracy of the center hole of the drill bit.

[0022] Preferably, the sliding groove is annular. The axis of the sliding groove coincides with the axes of the through hole and the installation groove. There are several embedding grooves. The several embedding grooves are evenly distributed circumferentially around the axis of the through hole. The number of the airbags and the connection channels is the same as that of the embedding grooves and they correspond one by one.

[0023] By adopting the above technical solution, the sliding groove is annular and the axis of the sliding groove coincides with the axis of the through hole, so that the thrust of the drill bit on the slider acts evenly on each part of the slider, improving the smoothness of the slider sliding. There are several airbags. The multiple airbags simultaneously abut against the outer wall of the drill bit, reducing the possibility of the drill bit shifting during the machining process, and improving the clamping and positioning stability of the device.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The box body is provided with a receiving cavity for the drill bit to be embedded, reducing the possibility that an external object collides with the workpiece during the machining process and causing the workpiece to shift. The abutting seat is provided with a conical abutting groove, making the positioning device applicable to drill bits of more sizes, improving the application range of the device. The axis of the abutting groove coincides with the axis of the machining hole. The abutting groove abuts against one end of the workpiece away from the machining hole, making the axis of the workpiece coincide with the axis of the machining hole, improving the positioning accuracy of the device and the machining accuracy of the center hole of the drill bit;

[0026] 2. A guide rail and a sliding seat are provided. The guide rail is connected to the wall of the receiving cavity. The sliding seat is slidably connected to the guide rail. The sliding direction of the sliding seat is parallel to the sliding direction of the abutting seat. The abutting seat is connected to the sliding seat, so that the sliding seat can slide stably when driven by the driving cylinder;

[0027] 3. Set up an installation base. The installation base is provided with an installation groove, and one end of the drill bit is embedded in the installation groove, reducing the possibility of a large offset distance between the axis of the drill bit and the axis of the abutting groove, which helps the abutting seat to tightly hold the drill bit and improves the feeding efficiency of the drill bit. Brief Description of the Drawings

[0028] Figure 1 It is a schematic structural diagram of a drill bit processing and positioning device.

[0029] Figure 2 It is a cross-sectional view of the drill bit processing and positioning device.

[0030] Figure 3 It is Figure 2 The enlarged view of part A in

[0031] Description of the Reference Numerals:

[0032] 1. Box body; 11. Accommodating cavity; 12. Processing hole; 13. Reinforcing rib; 14. Connecting hole;

[0033] 2. Abutting seat; 21. Abutting groove; 22. Connecting hole; 23. Positioning groove;

[0034] 3. Driving cylinder;

[0035] 4. Sliding assembly; 41. Guide rail; 42. Sliding seat; 421. Fixing hole;

[0036] 5. Installation base; 51. Connecting plate; 52. Boss; 53. Installation groove; 54. Through hole; 55. Chute; 56. Embedding groove; 57. Connecting channel;

[0037] 6. Clamping assembly; 61. Slide block; 62. First reset member; 63. Airbag. Detailed Embodiment

[0038] The following further describes the present application in detail with reference to the accompanying drawings.

[0039] Referring to Figure 1 , an embodiment of the present application discloses a drill bit processing and positioning device including a box body 1. One side of the box body 1 is provided with an accommodating cavity 11 for embedding the drill bit. A processing hole 12 is provided on one side wall of the accommodating cavity 11 along the length direction of the box body 1. The processing hole 12 is communicated with the outside, and the axis of the processing hole 12 coincides with the axis of the drill bit. The processing hole 12 is used for a drilling mechanism to extend into and process the drill bit.

[0040] Reinforcing ribs 13 are fixedly connected to the wall of the accommodating cavity 11. The reinforcing ribs 13 extend from the wall of the accommodating cavity 11 to the bottom of the accommodating cavity 11. In this embodiment, there are two reinforcing ribs 13, and the two reinforcing ribs 13 are symmetrically distributed along the direction perpendicular to the length direction of the box body 1.

[0041] Referring toFigure 2 and Figure 3 , a drill bit processing positioning device further includes a mounting base 5 and a clamping assembly 6. The mounting base 5 includes a connecting plate 51 and a boss 52. The connecting plate 51 is fixedly connected to the wall of the accommodating cavity 11. One end of the boss 52 is coaxially and fixedly connected to the surface of the connecting plate 51 away from the wall of the accommodating cavity 11. An installation groove 53 is coaxially provided at the end of the boss 52 away from the connecting plate 51 for the end of the drill bit to be processed to be embedded. A through hole 54 is coaxially provided at the bottom of the installation groove 53, and the axis of the through hole 54 coincides with the axis of the processing hole 12. The clamping assembly 6 includes a slider 61, a first reset member 62, and an airbag 63. A sliding groove 55 is provided at the bottom of the installation groove 53. The sliding groove 55 is annular, and the axis of the sliding groove 55 coincides with the axis of the through hole 54. The slider 61 is slidably embedded in the sliding groove 55, and the sliding direction of the slider 61 is parallel to the axis direction of the through hole 54. The first reset member 62 is connected between the slider 61 and the mounting base 5, and the first reset member 62 makes one end of the slider 61 away from the sliding groove 55 tend to extend out of the sliding groove 55. In this embodiment, the first reset member 62 is a spring. One end of the first reset member 62 is connected to the bottom of the sliding groove 55, and the other end of the first reset member 62 is connected to one end of the slider 61 close to the bottom of the sliding groove 55. There are several first reset members 62, and several reset members are evenly distributed circumferentially around the axis of the through hole 54. In this embodiment, there are four first reset members 62. Embedding grooves 56 are provided on the wall of the installation groove 53. There are several embedding grooves 56, and several embedding grooves 56 are evenly distributed circumferentially around the axis of the installation groove 53. In this embodiment, there are four embedding grooves 56. A connection channel 57 is provided at the bottom of the embedding groove 56, and the connection channel 57 communicates with the sliding groove 55. The number of airbags 63 is the same as the number of embedding grooves 56 and corresponds one by one. The airbags 63 are embedded in the embedding grooves 56, and the airbags 63 are used to abut against the outer wall of the drill bit.

[0042] Referring to Figure 1 and Figure 2 , a drill bit processing positioning device further includes a sliding assembly 4. The sliding assembly 4 includes a guide rail 41 and a sliding seat 42. The length direction of the guide rail 41 is parallel to the length direction of the box body 1. The guide rail 41 is fixedly connected to the bottom of the accommodating cavity 11. There are two guide rails 41, and the two guide rails 41 are symmetrically distributed along the direction perpendicular to the length direction of the guide rail 41. The sliding seat 42 is slidably connected to the guide rail 41, and the sliding direction of the sliding seat 42 is parallel to the length direction of the guide rail 41.

[0043] A drill bit processing positioning device further includes an abutting seat 2. The abutting seat 2 is slidably embedded in the accommodating cavity 11. The sliding direction of the abutting seat 2 is parallel to the sliding direction of the sliding seat 42. On the side of the abutting seat 2 close to the mounting seat 5, an abutting groove 21 is coaxially provided. The abutting groove 21 is conical. The axis of the abutting groove 21 coincides with the axis of the mounting seat 5. The groove wall of the abutting groove 21 is used to abut against one end of the drill bit away from the mounting seat 5. On the outer wall of the end of the abutting seat 2 away from the mounting seat 5, there are two positioning grooves 23. The two positioning grooves 23 are symmetrically distributed along the direction perpendicular to the length direction of the box body 1. The sliding seat 42 is embedded in any one of the positioning grooves 23. The surface of the sliding seat 42 away from the bottom of the accommodating cavity 11 fits with the bottom of the positioning groove 23. The surface of the sliding seat 42 close to the mounting seat 5 abuts against the groove wall of the positioning groove 23. There are a number of connecting holes 22 provided at the bottom of the positioning groove 23. The number of connecting holes 22 is several, and the several connecting holes 22 are spaced along the axis of the abutting seat 2. In this embodiment, there are two connecting holes 22. On the surface of the sliding seat 42 away from the bottom of the accommodating cavity 11, there are fixing holes 421. The number of fixing holes 421 is the same as the number of connecting holes 22 and they correspond one by one. The connecting holes 22 are used for bolts to pass through and be threadedly connected with the fixing holes 421.

[0044] A drill bit processing positioning device further includes a driving cylinder 3. The driving cylinder 3 is connected to the box body 1. The driving cylinder 3 is used to drive the sliding seat 42 to slide. In this embodiment, the driving cylinder 3 is a hydraulic cylinder. The cylinder body of the driving cylinder 3 is fixedly connected to the outer wall of the box body 1. The cylinder body of the driving cylinder 3 is located on the side of the box body 1 away from the processing hole 12 along the length direction of the box body 1. The box body 1 is provided with a communication hole 14. The communication hole 14 is communicated with the accommodating cavity 11. The piston rod of the driving cylinder 3 passes through the communication hole 14 and is fixedly connected to the side of the abutting seat 2 away from the processing hole 12.

[0045] The implementation principle of a drill bit processing positioning device in an embodiment of the present application is as follows: One end of the drill bit that needs to process the center hole is embedded in the installation groove 53. The piston rod of the driving cylinder 3 extends, pushing the sliding seat 42 to slide in the direction close to the mounting seat 5, driving the abutting seat 2 to slide, so that the groove wall of the abutting groove 21 abuts against one end of the drill bit away from the mounting seat 5, making the axis of the drill bit coincide with the axes of the abutting groove 21, the through hole 54, and the processing hole 12. The drill bit pushes the slider 61 to slide and embed into the sliding groove 55 against the elastic force of the first resetting member 62. The slider 61 presses the air in the sliding groove 55 into the embedding groove 56 through the connecting channel 57, and then enters the airbag 63. The airbag 63 expands and presses tightly against the outer wall of the drill bit. The drilling mechanism processes the center hole of the drill bit.

[0046] After the processing is completed, the drilling mechanism moves away from the drill bit. The piston rod of the driving cylinder 3 contracts, driving the sliding seat 42 to slide in the direction away from the mounting seat 5, driving the abutting seat 2 away from the drill bit. The first resetting member 62 pushes the slider 61 to extend out of the sliding groove 55. The gas in the airbag 63 flows to the sliding groove 55 through the connecting channel 57, facilitating the staff to take out the drill bit.

[0047] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A positioning device for drill bit processing, characterized in that: It includes a box body (1) and an abutting seat (2); the box body (1) is provided with a receiving cavity (11); the receiving cavity (11) is used for a drill bit to be embedded; a processing hole (12) is provided at the wall of the receiving cavity (11); the processing hole (12) communicates with the outside; the axis of the processing hole (12) coincides with the axis of the drill bit; the processing hole (12) is used for a drilling mechanism to extend into for processing the drill bit; the abutting seat (2) is slidably embedded in the receiving cavity (11); the sliding direction of the abutting seat (2) is parallel to the axis direction of the processing hole (12); on the side of the abutting seat (2) close to the processing hole (12), there is an abutting groove (21); the abutting groove (21) is conical; the axis of the abutting groove (21) coincides with the axis of the processing hole (12); the abutting groove (21) is used for abutting against one end of the drill bit far from the processing hole (12).

2. The drill bit processing and positioning device according to claim 1, characterized in that: It further includes a driving cylinder (3); the driving cylinder (3) is connected to the box body (1); the driving cylinder (3) is used for driving the abutting seat (2) to slide.

3. The drill bit processing and positioning device according to claim 2, characterized in that: It further includes a guide rail (41) and a sliding seat (42); the guide rail (41) is embedded in the receiving cavity (11); the length direction of the guide rail (41) is parallel to the sliding direction of the abutting seat (2); the sliding seat (42) is slidably connected to the guide rail (41); the sliding direction of the sliding seat (42) is parallel to the length direction of the guide rail (41); the abutting seat (2) is connected to the sliding seat (42).

4. The drill bit processing and positioning device according to claim 3, characterized in that: There are two guide rails (41); the two guide rails (41) are symmetrically distributed along the direction perpendicular to the sliding direction of the sliding seat (42).

5. The drill bit processing and positioning device according to claim 3, characterized in that: The sliding seat (42) is provided with a fixing hole (421); the abutting seat (2) is provided with a connecting hole (22); the connecting hole (22) is used for a bolt to pass through and be threadedly connected with the fixing hole (421).

6. The drill bit processing and positioning device according to claim 5, wherein: On the outer wall of one end of the abutting seat (2) far from the abutting groove (21), there is a positioning groove (23); the wall of the positioning groove (23) abuts against the surface of the side of the sliding seat (42) close to the mounting seat (5); the bottom of the positioning groove (23) fits against the surface of the side of the sliding seat (42) far from the guide rail (41).

7. The drill bit processing positioning device according to claim 1, characterized in that: It further includes a mounting seat (5); the mounting seat (5) is connected to the wall of the receiving cavity (11); the mounting seat (5) is provided with a mounting groove (53); the mounting groove (53) is used for one end of the drill bit to be processed to be embedded; a through hole (54) is provided at the bottom of the mounting groove (53); the axis of the through hole (54) coincides with the axis of the processing hole (12).

8. The drill bit processing and positioning device according to claim 7, characterized in that: It further includes an airbag (63), a slider (61) and a first reset member (62); a sliding groove (55) is provided at the bottom of the installation groove (53); the slider (61) is slidably embedded in the sliding groove (55); the sliding direction of the slider (61) is parallel to the axis direction of the through hole (54); the first reset member (62) is connected between the slider (61) and the mounting seat (5); the first reset member (62) makes one end of the slider (61) away from the bottom of the sliding groove (55) have a tendency to protrude from the sliding groove (55); an embedding groove (56) is provided at the groove wall of the installation groove (53); the airbag (63) is embedded in the embedding groove (56); a connection channel (57) is provided at the bottom of the embedding groove (56); the connection channel (57) is communicated with the sliding groove (55).

9. The drill bit processing positioning device according to claim 8, wherein: The sliding groove (55) is annular; the axis of the sliding groove (55) coincides with the axes of the through hole (54) and the installation groove (53); several embedding grooves (56) are provided; the several embedding grooves (56) are evenly distributed circumferentially around the axis of the through hole (54); the number of the airbags (63) and the connection channels (57) is the same as the number of the embedding grooves (56) and they correspond to each other one by one.

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