Combined clamp for drill bit production and machining

Abstract

The utility model relates to a combined clamp for drill bit production and processing, which comprises a base, and a chip collecting groove is arranged on the right side of the top of the base. The driving box is installed on the left side of the top of the base, a circular groove is formed in the right side of the driving box, and an adjusting groove is machined in the left side of the circular groove. The utility model relates to the technical field of drill bit machining. According to the combined clamp for drill bit production and machining, through the arranged adjusting assembly, the control unit can be rotated to enable the worm gear to rotate, so that the meshing unit drives the sliding sleeve to rotate, the chuck rotates to achieve rotation of the drill bit, different cutting edges of the drill bit can be machined conveniently, and the practicability of the clamp is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drill bit processing, especially to a combined fixture for drill bit production and processing. BACKGROUND

[0002] Drill bits are cutting tools used for drilling holes in various materials, widely used in mechanical processing, construction and other industrial fields. Drill bits are usually made of high-speed steel, hard alloy and other materials, which have good hardness and wear resistance to meet the high requirements in the drilling process.

[0003] In the prior art, the drill bit is mostly spiral-shaped and has at least two cutting edges, which makes it necessary to polish multiple edge openings when the drill bit is sharpened. This requires multiple adjustments of the installation angle of the drill bit when sharpening, increasing the processing difficulty of the drill bit and affecting the sharpening efficiency of the drill bit. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a combined fixture for drill bit production and processing to solve the technical problems mentioned in the background.

[0005] The above technical purpose of the utility model is achieved by the following technical solutions:

[0006] A combined fixture for drill bit production and processing includes a base, a chip collection groove is formed in the top right side of the base;

[0007] A drive box is installed on the top left side of the base, a circular groove is formed in the right side of the drive box, and an adjusting groove is formed in the left side of the circular groove;

[0008] A chuck is arranged on the right side of the drive box, the chuck is rotatably arranged in the circular groove, and the chuck is used to clamp the drill bit;

[0009] An adjusting assembly is arranged in the drive box, the adjusting assembly includes a worm gear, a connecting rod, a sliding sleeve, a clamping unit and a control unit, the left side of the adjusting groove is rotatably connected with the worm gear, the bottom of the worm gear is provided with a control unit for controlling the rotation of the worm gear, the right side of the worm gear is connected with the sliding sleeve through the clamping unit, the right side of the sliding sleeve is fixedly connected with the chuck, a plurality of track grooves are formed in the outer side of the clamping unit in the side wall of the worm gear, the connecting rod is slidably connected in the track groove, and a circular groove is formed in the left side of the sliding sleeve.

[0010] Further, the clamping unit includes a connecting shaft and a clamping block, the right side of the worm gear is fixedly connected with the connecting shaft, one end of the connecting shaft away from the worm gear is inserted into the sliding sleeve and fixedly connected with the clamping block, and the inner wall of the sliding sleeve is protruded to form a clamping part engaged with the clamping block.

[0011] Further, the spacing between the side wall end face of the clamping part and the chuck is greater than the thickness of the clamping block, so that the clamping block is separated from the clamping part when the clamping block contacts the chuck.

[0012] Further, the depth gradually increases from left to right along the length direction of the track groove.

[0013] Further, the adjusting groove is provided with an oil storage groove at the position between the worm wheel and the sliding sleeve, the oil storage groove is rotationally connected with an adjusting disc, and the surface of the adjusting disc is provided with a circular hole in sliding connection with the connecting rod.

[0014] Further, the control unit comprises a worm, a rotating shaft and a driving wheel, the worm is engaged at the bottom of the worm wheel, the end of the worm is fixedly connected with the rotating shaft, the end of the rotating shaft away from the worm extends out of the driving box and is fixedly connected with the driving wheel.

[0015] Further, the connecting rod is fixedly connected with a limiting block at the end close to the sliding sleeve, and the inner wall of the circular ring groove is provided with a limiting groove for sliding of the limiting block.

[0016] In summary, the utility model has at least one of the following beneficial technical effects:

[0017] 1. The combined clamp for drill bit production and machining, through the adjusting assembly, the rotating control unit is rotated to rotate the worm wheel, the sliding sleeve is rotated through the engagement unit, the chuck is rotated to realize the rotation of the drill bit, so that different cutting edges of the drill bit are conveniently machined, the practicality of the clamp is improved, the track groove arranged on the worm wheel can make the connecting rod slide in the track groove when the worm wheel is reversed, so that the depth of the connecting rod inserted into the track groove is increased, the connecting rod moves left to make the engagement unit unlocked at this time, the chuck can be directly pushed to rotate at this time, the angle of the drill bit is quickly adjusted, and the machining efficiency of the drill bit can be effectively improved.

[0018] 2. The combined clamp for drill bit production and machining, through the oil storage groove and the adjusting disc, the connecting rod is applied with a resistance through the resistance of the damping oil injected into the oil storage groove when the worm wheel rotates, the connecting rod can be deeply inserted into the track groove when the worm wheel is reversed, and the operation stability of the connecting rod can be ensured. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, 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 creative labor.

[0020] Figure 1The utility model discloses a kind of combined fixture for drill bit production and processing structure schematic view.

[0021] Figure 2 The utility model discloses a kind of combined fixture for drill bit production and processing structure schematic view of adjusting component.

[0022] Figure 3 The utility model discloses a kind of combined fixture for drill bit production and processing structure schematic view of adjusting component.

[0023] Figure 4 The utility model discloses a kind of combined fixture for drill bit production and processing structure schematic view of occlusion unit.

[0024] Figure 5 The utility model discloses a kind of combined fixture for drill bit production and processing structure schematic view of worm gear.

[0025] Figure 6 The utility model discloses a kind of combined fixture for drill bit production and processing right view of sliding sleeve.

[0026] In the drawing, 1, base; 2, drive box; 3, chuck; 4, adjusting component; 41, worm gear; 42, connecting rod; 43, sliding sleeve; 44, occlusion unit; 441, connecting shaft; 442, clamping block; 45, control unit; 451, worm; 452, rotating shaft; 453, drive wheel; 5, chip collecting groove; 6, circular groove; 7, adjusting groove; 8, track groove; 9, circular ring groove; 10, clamping portion; 11, oil storage groove; 12, adjusting disc; 13, round hole; 14, limiting block; 15, limiting groove. DETAILED DESCRIPTION

[0027] The utility model makes further detailed description in combination with the drawing. EMBODIMENT

[0028] REFERENCE Figure 1 - Figure 6 The utility model discloses a kind of combined fixture for drill bit production and processing, including base 1, the top right side of base 1 is set with chip collecting groove 5;

[0029] Drive box 2, it is installed in the top left side of base 1, the right side of drive box 2 is set with circular groove 6, and the left side of circular groove 6 is processed with adjusting groove 7;

[0030] Chuck 3, it is set in the right side of drive box 2, chuck 3 rotation is set in circular groove 6, for clamping drill bit;

[0031] The adjusting assembly 4 is arranged in the driving box 2, the adjusting assembly 4 comprises a worm wheel 41, a connecting rod 42, a sliding sleeve 43, a clamping unit 44 and a control unit 45, the left side of the adjusting groove 7 is rotatably connected with the worm wheel 41, the bottom of the worm wheel 41 is provided with the control unit 45 for controlling the rotation of the worm wheel 41, the right side of the worm wheel 41 is connected with the sliding sleeve 43 through the clamping unit 44, the right side of the sliding sleeve 43 is fixedly connected with the chuck 3, a plurality of track grooves 8 are arranged on the side wall of the worm wheel 41 and located outside the clamping unit 44, the connecting rod 42 is slidably connected in the track groove 8, and the left side of the sliding sleeve 43 is provided with a circular groove 9, and one end of the connecting rod 42 away from the track groove 8 is slidably arranged in the circular groove 9.

[0032] In this embodiment, it is observed that Figure 1 and Figure 2 It can be found that the driving box is arranged on the top left side of the base 1, the right side of the driving box 2 is provided with a circular groove 6, and the chuck 3 is rotatably connected in the circular groove 6, which can be used for clamping the drill bit, and the processing of the drill bit is facilitated.

[0033] Since the drill bit is mostly spiral-shaped and has at least two cutting edges, the drill bit needs to be adjusted multiple times when the cutting edges are ground, which increases the processing difficulty of the drill bit and affects the opening efficiency of the cutting edges.

[0034] Therefore, in combination with Figure 2 and Figure 3 It can be found that the adjusting assembly 4 is arranged in the driving box 2, the adjusting assembly 4 comprises a worm wheel 41, a connecting rod 42, a sliding sleeve 43, a clamping unit 44 and a control unit 45, the left side of the adjusting groove 7 is rotatably connected with the worm wheel 41, the bottom of the worm wheel 41 is provided with the control unit 45 for controlling the rotation of the worm wheel 41, the right side of the worm wheel 41 is connected with the sliding sleeve 43 through the clamping unit 44, the right side of the sliding sleeve 43 is fixedly connected with the chuck 3. At this time, if the drill bit needs to be rotated, the control unit 45 can be rotated to rotate the worm wheel 41, so that the sliding sleeve 43 is rotated through the clamping unit 44, the chuck 3 is rotated, the rotation of the drill bit is realized, and the different cutting edges of the drill bit are facilitated to be processed, and the practicability of the clamp is improved.

[0035] The rotation of the worm wheel 41 is relatively slow through the control unit 45, which is suitable for accurately controlling the rotation angle of the rotating head, and can improve the opening effect of the cutting edges of the drill bit. However, this method will reduce the adjustment efficiency of the drill bit and affect the processing of the drill bit.

[0036] Therefore, in combination with Figure 4 and Figure 5It can be found that the side wall of the worm wheel 41 is provided with a plurality of track grooves 8 outside the outer annular array of the clamping unit 44, the connecting rod 42 is slidably connected in the track groove 8, the left side of the sliding sleeve 43 is provided with a circular groove 9, and the end of the connecting rod 42 away from the track groove 8 is slidably arranged in the circular groove 9. Figure 5 It can be seen that the depth of the track groove 8 gradually increases from left to right along the length direction of the track groove 8, so that the depth of the connecting rod 42 inserted into the track groove 8 increases, the connecting rod 42 pulls the sliding sleeve 43 to move left, and at this time the clamping unit 44 is unlocked.

[0037] Finally, when the drill bit is rotated to the adjustment angle close to the cutting edge, the chuck 3 is stopped, and then the worm wheel 41 is rotated in the positive direction, so that the track groove 8 pushes out the connecting rod 42, thereby pushing the sliding sleeve 43 to move right, so that the clamping unit 44 is re-clamped, and then the worm wheel 41 is rotated to slowly adjust the rotation of the drill bit, thereby ensuring the machining precision of the cutting edge.

[0038] In order to make the end of the connecting rod 42 always fit the groove bottom of the track groove 8, a sliding groove with the same inclination angle as the track groove 8 can be arranged on the groove bottom of the track groove 8, and then a sliding block fixedly connected with the connecting rod 42 is arranged in the sliding groove, so that the end of the connecting rod 42 is always in contact with the groove bottom of the track groove 8 during the rotation of the worm wheel 41.

[0039] In further preferable embodiments of the present application, as shown in Figure 3 , Figure 4 and Figure 6 , the clamping unit 44 comprises a connecting shaft 441 and a clamping block 442, the right side of the worm wheel 41 is fixedly connected with the connecting shaft 441, the end of the connecting shaft 441 away from the worm wheel 41 is inserted into the sliding sleeve 43 and fixedly connected with the clamping block 442, and the inner wall of the sliding sleeve 43 is protruded to form a clamping portion 10 engaged with the clamping block 442.

[0040] The distance between the side wall end face of the clamping portion 10 and the chuck 3 is greater than the thickness of the clamping block 442, so that the clamping block 442 is separated from the clamping portion 10 when the clamping block 442 is in contact with the chuck 3.

[0041] In the present embodiment, it can be observed that Figure 4 and Figure 6It can be found that by making the clamping unit 44 include a connecting shaft 441 and a clamping block 442, the connecting shaft 441 is fixedly connected to the right side of the worm wheel 41, the end of the connecting shaft 441 away from the worm wheel 41 is inserted into the sliding sleeve 43 and is fixedly connected with the clamping block 442, and the inner wall of the sliding sleeve 43 is protruded to form a clamping portion 10 that is clamped with the clamping block 442, the clamping disc 3 and the worm wheel 41 can be conveniently connected, so that the clamping disc 3 and the worm wheel 41 are synchronously rotated.

[0042] And observation Figure 3 It can be found that by making the spacing between the side wall end face of the clamping portion 10 and the clamping disc 3 greater than the thickness of the clamping block 442, the clamping block 442 is separated from the clamping portion 10 when the clamping block 442 is in contact with the clamping disc 3, and the clamping disc 3 and the worm wheel 41 are disconnected when the drill bit needs to be quickly rotated.

[0043] In further preferable embodiments of the utility model, as shown in Figure 3 The adjusting groove 7 is provided with an oil storage groove 11 at the position between the worm wheel 41 and the sliding sleeve 43, the oil storage groove 11 is rotationally connected with an adjusting disc 12, and the surface of the adjusting disc 12 is provided with a circular hole 13 that is slidably connected with the connecting rod 42.

[0044] In the embodiment, when the worm wheel 41 rotates, the sliding sleeve 43 is rotated through the clamping unit 44, so that the clamping disc 3 rotates, and the connecting rod 42 is slidably arranged between the worm wheel 41 and the sliding sleeve 43, which causes the connecting rod 42 to be unable to move in the track groove 8 when the worm wheel 41 reverses.

[0045] Therefore, observation Figure 3 It can be found that by making the adjusting groove 7 be provided with the oil storage groove 11 at the position between the worm wheel 41 and the sliding sleeve 43, the oil storage groove 11 is rotationally connected with the adjusting disc 12, and the surface of the adjusting disc 12 is provided with the circular hole 13 that is slidably connected with the connecting rod 42, at this time, only the damping oil with high viscosity needs to be injected into the oil storage groove 11, so that the adjusting disc 12 can apply a resistance to the connecting rod 42 through the resistance of the damping oil when the worm wheel 41 rotates, the connecting rod 42 can be deeply inserted into the track groove 8 when the worm wheel 41 reverses, and the running stability of the connecting rod 42 can be guaranteed.

[0046] The damping oil can be a viscous fluid with excellent damping performance, such as a BX-803 series high-viscosity damping oil, a JHSW8101 high-loss damping material, etc.

[0047] In further preferable embodiments of the utility model, as shown in Figure 2As shown, the control unit 45 comprises a worm 451, a rotating shaft 452 and a driving wheel 453, the worm 451 is engaged at the bottom of the worm wheel 41, the end of the worm 451 is fixedly connected with the rotating shaft 452, the end of the rotating shaft 452 away from the worm 451 extends out of the driving box 2 and is fixedly connected with the driving wheel 453.

[0048] In the embodiment, by making the control unit 45 comprise the worm 451, the rotating shaft 452 and the driving wheel 453, the worm 451 is engaged at the bottom of the worm wheel 41, the end of the worm 451 is fixedly connected with the rotating shaft 452, the end of the rotating shaft 452 away from the worm 451 extends out of the driving box 2 and is fixedly connected with the driving wheel 453, the rotating shaft 452 can be rotated by rotating the driving wheel 453, thereby rotating the worm 451, so that the effect of controlling the rotation of the worm wheel 41 is realized.

[0049] In the further preferable embodiment of the utility model, as shown in the figure, Figure 4 The end of the connecting rod 42 close to the sliding sleeve 43 is fixedly connected with a limiting block 14, and the inner wall of the circular ring groove 9 is provided with a limiting groove 15 for sliding of the limiting block 14.

[0050] In the embodiment, in order to ensure that the connecting rod 42 can move with the sliding sleeve 43 when sliding in the track groove 8, and at the same time, the sliding sleeve 43 will not interfere with the connecting rod 42 when rotating, the sliding sleeve 43 is fixedly connected with the limiting block 14, and the inner wall of the circular ring groove 9 is provided with the limiting groove 15 for sliding of the limiting block 14, so that the running stability of the connecting rod 42 can be effectively ensured. Figure 4

[0051] The embodiments of the specific embodiment are preferable embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.​

Claims

1. A combination fixture for drill bit manufacturing, characterized in that, Base (1) is provided with a groove (5) on the right side of the top of the base (1); Drive box (2) is installed on the left side of the top of the base (1), and the right side of the drive box (2) is provided with a circular groove (6), and the left side of the circular groove (6) is processed with an adjusting groove (7); Chuck (3) is arranged on the right side of the drive box (2), and the chuck (3) is rotatably arranged in the circular groove (6), which is used for clamping drill bit; Adjusting assembly (4) is arranged in the drive box (2), and the adjusting assembly (4) comprises worm gear (41), connecting rod (42), sliding sleeve (43), engagement unit (44) and control unit (45), the left side of the adjusting groove (7) is rotatably connected with the worm gear (41), the bottom of the worm gear (41) is provided with the control unit (45) for controlling the rotation of the worm gear (41), the right side of the worm gear (41) is connected with the sliding sleeve (43) through the engagement unit (44), the right side of the sliding sleeve (43) is fixedly connected with the chuck (3), a plurality of track grooves (8) are arranged on the outer side of the engagement unit (44) of the side wall of the worm gear (41), the connecting rod (42) is slidably connected in the track groove (8), and the left side of the sliding sleeve (43) is provided with a circular groove (9), one end of the connecting rod (42) away from the track groove (8) is slidably arranged in the circular groove (9).

2. The combined fixture for machining a drill head according to claim 1, wherein The engagement unit (44) comprises a connecting shaft (441) and a clamping block (442), the right side of the worm gear (41) is fixedly connected with the connecting shaft (441), one end of the connecting shaft (441) away from the worm gear (41) is inserted into the sliding sleeve (43) and is fixedly connected with the clamping block (442), and the inner wall of the sliding sleeve (43) is protruded to form a clamping part (10) engaged with the clamping block (442).

3. The combined fixture for machining a drill head according to claim 2, characterized in that, The distance between the side wall end face of the clamping part (10) and the chuck (3) is greater than the thickness of the clamping block (442), so that the clamping block (442) is separated from the clamping part (10) when the clamping block (442) contacts the chuck (3).

4. The combined fixture for machining a drill head according to claim 3, wherein The depth gradually increases from left to right along the length direction of the track groove (8).

5. The combined fixture for machining a drill head according to claim 4, characterized in that, The adjusting groove (7) is provided with an oil storage groove (11) between the worm gear (41) and the sliding sleeve (43), the oil storage groove (11) is rotatably connected with an adjusting disc (12), and the surface of the adjusting disc (12) is provided with a circular hole (13) slidably connected with the connecting rod (42).

6. The combined fixture for machining a drill head according to claim 5, wherein The control unit (45) comprises a worm (451), a rotating shaft (452) and a drive wheel (453), the worm (451) is engaged in the bottom of the worm gear (41), the end of the worm (451) is fixedly connected with the rotating shaft (452), one end of the rotating shaft (452) away from the worm (451) extends out of the drive box (2) and is fixedly connected with the drive wheel (453).

7. The combined fixture for machining a drill head according to claim 6, wherein One end of the connecting rod (42) close to the sliding sleeve (43) is fixedly connected with a limiting block (14), and the inner wall of the circular groove (9) is provided with a limiting groove (15) for sliding of the limiting block (14).

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