Auxiliary jig for production of high-spiral-margin auger bit and using method of auxiliary jig for production of high-spiral-margin auger bit

Abstract

The invention discloses an auxiliary jig for production of a high-spiral-margin auger bit and a using method thereof.The auxiliary jig comprises a fixed base, a movable base, a supporting base, an X-axis moving assembly, a Y-axis moving assembly and a height adjusting assembly, the movable base is arranged on the fixed base through the X-axis moving assembly, the supporting base is installed at one end of the fixed base, and the Y-axis moving assembly is installed at the other end of the fixed base; a moving plate is arranged on the moving base through a Y-axis moving assembly. Micro adjustment of the position of a to-be-ground twist drill is achieved, the machining precision of the twist drill is improved, manual movement is not needed, safety is improved, along with rotation of a fourth threaded rod, a bearing sleeve is driven to move, a linkage push plate can push a shifting block to move on a vertical rod, a limiting clamping plate is driven to move, and the machining precision of the twist drill is improved. And the limiting clamping plate abuts against the handle portion of the twist drill, the twist drill is fixed, and the stability of the twist drill in the machining process is improved.

Description

Technical Field

[0001] The invention relates to an auxiliary jig for producing a high-helical-edge-band twist drill and a use method thereof. Background Art

[0002] A twist drill is a tool that drills a circular hole in a workpiece by rotating it relative to a fixed axis. It is named because its chip groove is spiral and looks like a twist.

[0003] During the production process, the twist drill needs to be milled to make its surface twisted. However, during the milling process, the position of the twist drill needs to be adjusted according to the position of the milling head, which has a high risk factor. In addition, the twist drill is prone to shaking during the production process, resulting in inaccurate twist milling. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a high-spiral-blade twist drill production auxiliary jig and a use method thereof, by rotating a first handle and a second handle in sequence, the first moving block and the second moving block are driven to move on the first threaded rod and the second threaded rod respectively, thereby driving the moving base to move in the X-axis direction of the fixed base, and the moving plate to move in the Y-axis direction of the moving base, thereby achieving fine-adjustment of the position of the twist drill to be ground and processed, improving the accuracy of twist drill processing, and eliminating the need for manual movement, thereby improving safety. As the fourth threaded rod rotates, the bearing sleeve is driven to move, so that the connecting push plate can push the shift block to move on the vertical rod, thereby driving the movement of the limit splint, so that the limit splint abuts against the shank of the twist drill, fixes the twist drill, and improves the stability of the twist drill during processing.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an auxiliary jig for producing high-spiral-blade twist drills, comprising a fixed base, a mobile base, a supporting base, an X-axis moving assembly, a Y-axis moving assembly and a height adjustment assembly, wherein the mobile base is arranged on the fixed base through the X-axis moving assembly, the supporting base is installed on one end of the fixed base, a mobile plate is arranged on the mobile base through the Y-axis moving assembly, a limiting assembly for fixing the twist drill to be processed is installed on the mobile plate, a lifting frame is arranged on the supporting base through the height adjustment assembly, and a processing assembly for producing twist drills is arranged on the lifting frame.

[0006] As a preferred technical solution of the present invention, the X-axis moving assembly includes a first groove opened in a fixed base, a first threaded rod is inserted in the first groove, a first moving block is sleeved on the outside of the first threaded rod, the upper surface of the first moving block is connected to the lower surface of the moving base, the first threaded rod passes through the first groove and extends to the outside of the fixed base, and is connected to a first handle.

[0007] As a preferred technical solution of the present invention, first protrusions are extended outwardly on both sides of the upper surface of the fixed base, and first slide rails matched with the first protrusions are opened on both sides of the lower surface of the movable base.

[0008] As a preferred technical solution of the present invention, the Y-axis moving assembly includes a second groove opened in the moving base, a second threaded rod is inserted in the second groove, a second moving block is sleeved on the second threaded rod, the upper surface of the second moving block is connected to the lower surface of the moving plate, two sliding grooves are opened on the upper surface of the moving base, and a sliding block adapted to the sliding groove is provided on the lower surface of the moving plate, the second threaded rod passes through the second groove and extends to the outside of the moving base, and is connected to a second handle.

[0009] As a preferred technical solution of the present invention, the height adjustment component includes a third groove opened in the support base, a third threaded rod is inserted in the third groove, a first motor is arranged on the upper surface of the support base, a power output end of the first motor is connected to the third threaded rod, a third moving block is sleeved on the outer side of the third threaded rod, and the third moving block is connected to the lifting frame.

[0010] As a preferred technical solution of the present invention, the processing component includes a second motor arranged on the lifting frame, the power output end of the second motor extends into the lifting frame and is connected to the driving wheel, a rotating shaft is arranged in the lifting frame, a driven wheel is arranged outside the rotating shaft, a transmission belt is arranged between the driving wheel and the driven wheel, and the rotating shaft extends to the outside of the lifting frame and is connected to a grinding head.

[0011] As a preferred technical solution of the present invention, the limiting assembly includes a first support plate and a second support plate arranged on the upper surface of the movable plate, a fourth threaded rod is inserted into the first support plate, a bearing sleeve is sleeved on the outer side of the fourth threaded rod, and connecting push plates are equidistantly arranged around the outer side of the bearing sleeve.

[0012] As a preferred technical solution of the present invention, a circular plate is arranged on the second support plate, a through hole for inserting a twist drill is provided in the center of the surface of the circular plate, and three square grooves are provided at intervals around the surface of the circular plate, a vertical rod is arranged in the square groove, a shift block is arranged on the vertical rod, and the shift block extends outside the square groove and is connected to a limiting clamp.

[0013] As a preferred technical solution of the present invention, the end of the connecting push plate away from the bearing sleeve is connected to the shift block, a strip groove is opened on the surface of the movable plate, a vertical plate is arranged in the strip groove, and the end of the fourth threaded rod away from the first support plate is connected to the vertical plate.

[0014] A method for using an auxiliary jig for producing a high spiral blade twist drill, the specific steps are as follows: S1. First, place the twist drill to be processed into the through hole, rotate the fourth threaded rod, slide it in the strip groove through the vertical plate, drive the bearing sleeve on the fourth threaded rod to move toward the circular plate, and drive the shift block to slide on the vertical rod under the push of the connecting push plate, so that the four limit clamps abut against the shank of the twist drill; S2, rotating the first handle to drive the first threaded rod to rotate, and the first protrusion slides in the first slide rail to drive the first moving block to move along the length direction of the first threaded rod, so as to move the moving base into the grinding area of ​​the grinding head; S3, rotating the second handle to drive the rotation of the second threaded rod, and as the slider slides in the slide groove, driving the second moving block to move on the second threaded rod, driving the moving plate to move on the moving base, so that the twist drill to be polished and the polishing head are on the same vertical line; S4, starting the first motor, the power output end of the first motor drives the third threaded rod to rotate, so that the third moving block moves on the third threaded rod, thereby driving the lifting frame to descend, so that the grinding head contacts the twist drill to be processed; S5, start the second motor, the power output end of the second motor drives the driving wheel to rotate, and with the transmission of the transmission belt, the driven wheel follows the rotation, drives the rotating shaft to rotate, and drives the high-speed rotation of the grinding head to process the twist drill bit.

[0015] Compared with the prior art, the beneficial effects that the present invention can achieve are: by rotating the first handle and the second handle in sequence, the first moving block and the second moving block are driven to move on the first threaded rod and the second threaded rod respectively, thereby driving the moving base to move in the X-axis direction of the fixed base, and the moving plate to move in the Y-axis direction of the moving base, thereby achieving fine-tuning of the position of the twist drill to be polished and processed, improving the accuracy of the twist drill processing, and no manual movement is required, thereby improving safety. As the fourth threaded rod rotates, the bearing sleeve is driven to move, so that the connecting push plate can push the shift block to move on the vertical rod, thereby driving the movement of the limit splint, so that the limit splint abuts against the shank of the twist drill, fixes the twist drill, and improves the stability of the twist drill during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic structural diagram of a first threaded rod of the present invention; Figure 3 is a schematic structural diagram of a first protrusion of the present invention; Figure 4 It is a schematic diagram of the structure in the lifting frame of the present invention; Figure 5 It is a structural schematic diagram of the first viewing angle of the limiting assembly of the present invention; Figure 6 It is a structural schematic diagram of the second viewing angle of the limiting assembly of the present invention.

[0017] Among them: 1. fixed base; 2. mobile base; 3. supporting base; 4. mobile plate; 5. lifting frame; 6. first threaded rod; 7. first moving block; 8. first handle; 9. first protrusion; 10. first slide rail; 11. second threaded rod; 12. second moving block; 13. second handle; 14. third threaded rod; 15. first motor; 16. third moving block; 17. second motor; 18. driving wheel; 19. rotating shaft; 20. driven wheel; 21. transmission belt; 22. grinding head; 23. first supporting plate; 24. second supporting plate; 25. fourth threaded rod; 26. bearing sleeve; 27. connecting push plate; 28. round plate; 29. ​​through hole; 30. square groove; 31. vertical rod; 32. shift block; 33. limit clamp; 34. strip groove; 35. vertical plate. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can be obtained from commercial channels.

[0019] Example: like Figure 1 - Figure 6 As shown, this embodiment proposes an auxiliary jig for producing high spiral blade twist drills, comprising a fixed base 1, a mobile base 2, a supporting base 3, an X-axis moving assembly, a Y-axis moving assembly and a height adjustment assembly, wherein the mobile base 2 is arranged on the fixed base 1 through the X-axis moving assembly, the supporting base 3 is installed on one end of the fixed base 1, a mobile plate 4 is arranged on the mobile base 2 through the Y-axis moving assembly, a limiting assembly for fixing the twist drill to be processed is installed on the mobile plate 4, a lifting frame 5 is arranged on the supporting base 3 through the height adjustment assembly, and a processing assembly for producing twist drills is arranged on the lifting frame 5; By rotating the fourth threaded rod 25, the bearing sleeve 26 is driven to move, so that the connecting push plate 27 can push the shift block 32 to move on the vertical rod 31, thereby driving the movement of the limit clamp 33, so that the limit clamp 33 abuts against the shank of the twist drill, fixes the twist drill, and improves the stability of the twist drill during processing. The first handle 8 and the second handle 13 are rotated in turn to drive the first moving block 7 and the second moving block 12 to move on the first threaded rod 6 and the second threaded rod 11 respectively, thereby driving the moving base 2 to move in the X-axis direction of the fixed base 1, and the moving plate 4 to move in the Y-axis direction of the moving base 2, so as to achieve micro-adjustment of the position of the twist drill to be ground and the accuracy of the twist drill processing is improved without manual movement.

[0020] The X-axis moving assembly includes a first groove opened in the fixed base 1, a first threaded rod 6 is inserted in the first groove, a first moving block 7 is sleeved on the outside of the first threaded rod 6, the upper surface of the first moving block 7 is connected to the lower surface of the moving base 2, the first threaded rod 6 passes through the first groove and extends to the outside of the fixed base 1, and is connected to a first handle 8. As the first handle 8 rotates, the first threaded rod 6 is driven to rotate, and at this time, the first protrusion 9 slides along the first slide rail 10, so as to limit the rotation of the first moving block 7, convert the rotational motion into linear motion, realize the first moving block 7 to move along the first threaded rod 6, and drive the moving base 2 to move on the surface of the fixed base 1. The first protrusions 9 extend outward on both sides of the upper surface of the fixed base 1, and the first slide rails 10 adapted to the first protrusions 9 are opened on both sides of the lower surface of the moving base 2. The Y-axis moving assembly includes a second groove opened in the moving base 2, a second threaded rod 11 is inserted in the second groove, a second moving block 12 is sleeved on the second threaded rod 11, the upper surface of the second moving block 12 is connected to the lower surface of the moving plate 4, two slide grooves are opened on the upper surface of the moving base 2, and a slider adapted to the slide groove is provided on the lower surface of the moving plate 4. The second threaded rod 11 passes through the second groove and extends to the outside of the moving base 2, and is connected to a second handle 13. By rotating the second handle 13, the second threaded rod 11 is driven to rotate. At this time, the slider slides in the slide groove, thereby limiting the rotation of the second moving block 12, so that the second moving block 12 moves along the second threaded rod 11, and the moving plate 4 is moved on the surface of the moving base 2.

[0021] The height adjustment assembly includes a third groove provided in the support base 3, a third threaded rod 14 is inserted in the third groove, a first motor 15 is provided on the upper surface of the support base 3, a power output end of the first motor 15 is connected to the third threaded rod 14, a third moving block 16 is sleeved on the outer side of the third threaded rod 14, and the third moving block 16 is connected to the lifting frame 5. A second slide rail is provided on the support base 3 toward the lifting frame 5, and a second slider adapted to the second slide rail is provided on the lifting frame 5 toward the support base 3. The second slider slides in the second slide rail to rotate and limit the third moving block 16. With the movement of the third threaded rod 14, the third moving block 16 can drive the lifting frame 5 to rise or fall. The processing assembly includes a second motor 17 arranged on the lifting frame 5, the power output end of the second motor 17 extends into the lifting frame 5 and is connected to the driving wheel 18, a rotating shaft 19 is arranged in the lifting frame 5, a driven wheel 20 is arranged outside the rotating shaft 19, a transmission belt 21 is arranged between the driving wheel 18 and the driven wheel 20, the rotating shaft 19 extends to the outside of the lifting frame 5 and is connected to a grinding head 22, after the second motor 17 drives the driving wheel 18 to rotate, the driven wheel 20 is driven by the transmission belt 21, and the rotating shaft 19 can drive the grinding head 22 to rotate at a high speed, so that the twist drill can be finely ground and processed. The first motor 15 and the second motor 17 are both forward and reverse motors.

[0022] Furthermore, the position limiting assembly includes a first support plate 23 and a second support plate 24 arranged on the upper surface of the movable plate 4, a fourth threaded rod 25 is inserted on the first support plate 23, a bearing sleeve 26 is sleeved on the outer side of the fourth threaded rod 25, and connecting push plates 27 are arranged at equal intervals around the outer side of the bearing sleeve 26, and the two ends of the connecting push plates 27 are respectively connected to the bearing sleeve 26 and the shifting block 32 by hinged means. When the bearing sleeve 26 moves on the fourth threaded rod 25, the connecting push plate 27 is pushed, and the angle between the two changes. In the hinged state, the shifting block 32 is pushed and slides along the direction of the vertical rod 31, thereby driving the four position limiting clamps 33 to move toward the center of the through hole 29, abut against the twist drill, fix the twist drill, and improve the stability of the twist drill in the subsequent processing process. The second support plate 24 is provided with a circular plate 28, and a through hole 29 for inserting a twist drill is provided in the center of the surface of the circular plate 28. The twist drill is inserted into the through hole 29, and the limit clamp 33 abuts against the twist drill to achieve fixation. Three square grooves 30 are provided around the surface of the circular plate 28 at intervals, and a vertical rod 31 is provided in the square groove 30. A shift block 32 is provided on the vertical rod 31. The shift block 32 extends to the outside of the square groove 30 and is connected to the limit clamp 33. With the push of the connecting push plate 27, the shift block 32 slides along the vertical rod 31, which can drive the movement of the limit clamp 33. The end of the connecting push plate 27 away from the bearing sleeve 26 is connected to the shift block 32, and a strip groove 34 is opened on the surface of the movable plate 4. A vertical plate 35 is arranged in the strip groove 34, and the end of the fourth threaded rod 25 away from the first support plate 23 is connected to the vertical plate 35. By moving the vertical plate 35 in the strip groove 34, the bearing sleeve 26 can be rotationally limited, and the rotational motion is converted into linear motion, so that the bearing sleeve 26 can move on the fourth threaded rod 25.

[0023] A method for using an auxiliary jig for producing a high spiral blade twist drill, the specific steps are as follows: S1. First, place the twist drill to be processed into the through hole 29, rotate the fourth threaded rod 25, slide the vertical plate 35 in the strip groove 34, drive the bearing sleeve 26 on the fourth threaded rod 25 toward the circular plate 28, and drive the shift block 32 to slide on the vertical rod 31 under the push of the connecting push plate 27, so that the four limit clamps 33 abut against the shank of the twist drill; S2, rotating the first handle 8 to drive the first threaded rod 6 to rotate, and the first protrusion 9 slides in the first slide rail 10, driving the first moving block 7 to move along the length direction of the first threaded rod 6, and moving the moving base 2 to the grinding area of ​​the grinding head 22; S3, rotating the second handle 13, driving the second threaded rod 11 to rotate, as the slider slides in the slide groove, driving the second moving block 12 to move on the second threaded rod 11, driving the moving plate 4 to move on the moving base 2, so that the twist drill to be polished and the polishing head 22 are on the same vertical line; S4, start the first motor 15, the power output end of the first motor 15 drives the third threaded rod 14 to rotate, so that the third moving block 16 moves on the third threaded rod 14, thereby driving the lifting frame 5 to descend, so that the grinding head 22 contacts the twist drill to be processed; S5, start the second motor 17, the power output end of the second motor 17 drives the driving wheel 18 to rotate, and with the transmission of the transmission belt 21, the driven wheel 20 rotates accordingly, driving the rotating shaft 19 to rotate, and driving the grinding head 22 to rotate at high speed to process the twist drill.

[0024] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above implementation regulations. The above implementation regulations and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high helical blade twist drill production auxiliary jig, characterized in that: The invention comprises a fixed base (1), a movable base (2), a supporting base (3), an X-axis movable assembly, a Y-axis movable assembly and a height adjustment assembly, wherein the movable base (2) is arranged on the fixed base (1) via the X-axis movable assembly, the supporting base (3) is mounted on one end of the fixed base (1), the movable base (2) is provided with a movable plate (4) via the Y-axis movable assembly, the movable plate (4) is provided with a limit assembly for fixing a twist drill to be processed, the supporting base (3) is provided with a lifting frame (5) via the height adjustment assembly, and the lifting frame (5) is provided with a processing assembly for producing a twist drill.

2. The high helical blade twist drill production auxiliary jig according to claim 1, characterized in that: The X-axis moving assembly comprises a first groove formed in a fixed base (1), a first threaded rod (6) being inserted into the first groove, a first moving block (7) being sleeved on the outer side of the first threaded rod (6), an upper surface of the first moving block (7) being connected to a lower surface of the moving base (2), the first threaded rod (6) passing through the first groove and extending to the outside of the fixed base (1), and being connected to a first handle (8).

3. The auxiliary jig for producing high helical blade twist drill according to claim 1, characterized in that: First protrusions (9) extend outwardly from both sides of the upper surface of the fixed base (1), and first slide rails (10) matching the first protrusions (9) are provided on both sides of the lower surface of the movable base (2).

4. The auxiliary jig for producing high helical blade twist drill according to claim 1, characterized in that: The Y-axis moving assembly comprises a second groove formed in the moving base (2), a second threaded rod (11) being inserted into the second groove, a second moving block (12) being sleeved on the second threaded rod (11), an upper surface of the second moving block (12) being connected to a lower surface of the moving plate (4), two sliding grooves being formed on the upper surface of the moving base (2), a sliding block matched with the sliding grooves being provided on the lower surface of the moving plate (4), the second threaded rod (11) passing through the second groove and extending to the outside of the moving base (2), and being connected to a second handle (13).

5. The high helical blade twist drill production auxiliary jig according to claim 1, characterized in that: The height adjustment assembly comprises a third groove formed in the support base (3), a third threaded rod (14) being inserted into the third groove, a first motor (15) being arranged on the upper surface of the support base (3), a power output end of the first motor (15) being connected to the third threaded rod (14), a third moving block (16) being sleeved on the outer side of the third threaded rod (14), and the third moving block (16) being connected to the lifting frame (5).

6. The high helical blade twist drill production auxiliary jig according to claim 1, characterized in that: The processing assembly comprises a second motor (17) arranged on the lifting frame (5); a power output end of the second motor (17) extends into the lifting frame (5) and is connected to a driving wheel (18); a rotating shaft (19) is arranged in the lifting frame (5); a driven wheel (20) is arranged outside the rotating shaft (19); a transmission belt (21) is arranged between the driving wheel (18) and the driven wheel (20); and the rotating shaft (19) extends to the outside of the lifting frame (5) and is connected to a grinding head (22).

7. The high helical blade twist drill production auxiliary jig according to claim 1, characterized in that: The limit assembly comprises a first support plate (23) and a second support plate (24) which are arranged on the upper surface of the movable plate (4); a fourth threaded rod (25) is inserted into the first support plate (23); a bearing sleeve (26) is sleeved on the outer side of the fourth threaded rod (25); and connecting push plates (27) are arranged at equal intervals around the outer side of the bearing sleeve (26).

8. The auxiliary jig for producing high helical blade twist drill according to claim 7, characterized in that: A circular plate (28) is arranged on the second support plate (24); a through hole (29) for inserting a twist drill is provided in the center of the surface of the circular plate (28); three square grooves (30) are provided at intervals around the surface of the circular plate (28); a vertical rod (31) is provided in the square groove (30); a shifting block (32) is provided on the vertical rod (31); the shifting block (32) extends to the outside of the square groove (30) and is connected to a limiting clamping plate (33).

9. The auxiliary jig for producing high helical blade twist drill according to claim 8, characterized in that: The end of the connecting push plate (27) away from the bearing sleeve (26) is connected to the shifting block (32), the surface of the movable plate (4) is provided with a strip groove (34), a vertical plate (35) is arranged in the strip groove (34), and the end of the fourth threaded rod (25) away from the first support plate (23) is connected to the vertical plate (35).

10. The method for using the auxiliary jig for producing high helical edge twist drills according to any one of claims 1 to 9, characterized in that: S1. First, place the twist drill to be processed into the through hole (29), rotate the fourth threaded rod (25), slide the vertical plate (35) in the strip groove (34), drive the bearing sleeve (26) on the fourth threaded rod (25) toward the circular plate (28), and drive the shift block (32) to slide on the vertical rod (31) under the push of the connecting push plate (27), so that the four limit clamps (33) are in contact with the shank of the twist drill; S2, rotating the first handle (8) to drive the first threaded rod (6) to rotate, and the first protrusion (9) slides in the first slide rail (10), driving the first moving block (7) to move along the length direction of the first threaded rod (6), and moving the moving base (2) into the grinding area of ​​the grinding head (22); S3, rotating the second handle (13) to drive the second threaded rod (11) to rotate, and as the slider slides in the slide groove, the second moving block (12) is driven to move on the second threaded rod (11), and the moving plate (4) is driven to move on the moving base (2), so that the twist drill to be polished and the polishing head (22) are on the same vertical line; S4, starting the first motor (15), the power output end of the first motor (15) drives the third threaded rod (14) to rotate, so that the third moving block (16) moves on the third threaded rod (14), thereby driving the lifting frame (5) to descend, so that the grinding head (22) contacts the twist drill to be processed; S5, starting the second motor (17), the power output end of the second motor (17) drives the driving wheel (18) to rotate, and with the transmission of the transmission belt (21), the driven wheel (20) rotates accordingly, driving the rotating shaft (19) to rotate, and driving the grinding head (22) to rotate at a high speed, thereby processing the twist drill bit.

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