TWM581950U - Cutting tool with blade fine adjustment function - Google Patents

Abstract

The present invention provides a cutting tool having a blade fine-tuning function, which mainly comprises: a cutter bar having a head end and a shaft; a receiving groove disposed at the head end of the cutter bar, and having a fixing hole and a mounting The hole has a threaded section and a receiving section; a blade has a sleeve hole and a pushed portion, and the sleeve hole is positioned on the fixing hole by using a fixing member; the resisting member has a cylindrical shape and has a threaded section, a first cylinder, a second cylinder and an adjusting portion, the threaded section is connected to the first cylinder, the threaded section is screwed to the threaded section, and the first cylinder is sunk in the receiving section, The second cylinder protrudes from the surface of the receiving groove; a resisting block has a sleeve portion and a pushing portion, and the sleeve portion is sleeved on the eccentric portion, and the pushing portion and the pushed portion cooperate with each other to push the pushing portion radially The brake type of the pusher of the blade.

Description

Cutting tool with blade fine adjustment function

This creation relates to a cutting tool with a fine-tuning function of the blade, in particular to an innovative designer who adjusts the cutting amount of the blade by a small amount of axial adjustment of the blade.

Most of the processing of domestic mechanical parts is based on NC or CNC numerical processing machinery. Due to the computer numerical control, the processing size can be more precise and the quality is stable. It replaces the traditional working machine that needs to be operated by technicians to effectively improve the manufacturing efficiency. And convenience; and the inner diameter hole is required in the part to be processed, so the numerical processing machine needs to use the opposite cutting tool for the inner diameter cutting work.

According to the cutting tools currently sold on the market, most of the structural components are made up of fine-tuning screws, blades, cutter shafts, knives, auxiliary members, and screw holes, and the knives are disposed at the head end of the arbor; The sleeve is sleeved on the adjusting blade, and the auxiliary member is sleeved on the adjusting screw, and the screw hole is provided with a fine adjustment screw and is adjusted to adjust the blade.

However, this type of structure has found that the following problems still exist in the actual use experience. For example, due to the inclined arrangement of the screw holes, the blades are longitudinally arranged, and an angle is generated between the configurations of the two, thereby fine-tuning The screw drives the auxiliary member against the blade during the screw locking process, so that the blade can be axially displaced inward or outward, but the operation requires a large rotation of the fine adjustment screw to drive the auxiliary member against the blade (eg, to move the blade) 0.1mm, need to rotate the fine adjustment screw 2 to 3 turns), the fine-tuning effect is bad in the future, but  Those who need to be improved.  

The main purpose of this creation is to provide a cutting tool with a fine-tuning function of the blade. The technical problem to be solved is to develop a new cutting tool type with blade fine-tuning function which is more ideal and practical. Innovate breakthroughs.

Based on the foregoing objective, the present invention provides a cutting tool having a blade fine-tuning function, the cutting tool mainly comprising: a cutter bar having a head end and a shaft body; and a receiving groove disposed at the head end of the cutter bar and provided The fixing hole has a fixing hole and a mounting hole, and the mounting hole has a screw portion and a receiving portion; a blade has a sleeve hole and a pushing portion, and the sleeve hole is disposed by the fixing member through the sleeve and positioned in the receiving groove a fixing hole; a pressing member having a cylindrical shape, a threaded section, a first cylinder body, a second cylinder body and an adjusting portion, the threaded section being connected with the first cylinder body and being coaxial with each other, the threaded section screw Locking the threaded portion of the mounting hole, the first cylinder has a larger diameter than the second cylinder and sinks into the receiving portion, the second cylinder has an eccentric portion and protrudes from the receiving groove surface, and the second The cylinder is connected to the other end of the first cylinder relative to the threaded section, the centerline position of the second cylinder is different from the centerline position of the first cylinder, and the offset is generated by the rotation of the adjusting portion; , having a sleeve portion and a pushing portion, the sleeve portion is sleeved on the eccentric portion, and the pushing portion and the pushed portion are matched with each other , The pushing portion pushes the form of braking patterns by receiving the radial portion of the pushing blades.

With this innovative unique pattern and technical features, the present invention has an axial configuration relationship with the blade according to the prior art, and the eccentricity of the eccentric portion of the abutting member is During the fine adjustment rotation, the eccentric portion can be offset and the resisting block can be driven against the blade (for example, to move the blade by 0.1 mm, the rotation adjustment portion should be finely adjusted by about 30 to 40 degrees) to make the blade outward. Radial displacement, so as to achieve a substantial increase in fine-tuning effect of practical progress and better industrial utilization.

Referring to Figures 1 through 2, this is a preferred embodiment of a cutting tool having a blade trimming function, but such embodiments are for illustrative purposes only and are not limited by this structure in the patent application.

The cutting tool has a blade fine-tuning function, and the cutting tool comprises the following components: a cutter bar 10 having a head end 11 and a shaft 12; a receiving groove 20 disposed at the head end of the tool bar 10 And a fixing hole 21 and a mounting hole 22; a blade 30 having a hole 31 and a receiving portion 32, the sleeve hole 31 is sleeved in the receiving groove 20 by a fixing member 40. a fixing hole 21; a pressing member 50 having a cylindrical shape, a threaded section 51, a first cylinder 52, a second cylinder 53 and an adjusting portion 54, wherein the threaded section 51 and the The first cylinders 52 are connected to each other and are coaxial with each other. The threaded section 51 is screwed to the threaded section 221 of the mounting hole 22, and the first cylinder 52 has a larger diameter than the second cylinder 53. A cylinder 52 is sunk in the accommodating section 222. The second cylinder 53 has the eccentric portion 531 and protrudes from the surface of the accommodating groove 20. The second cylinder 53 is connected to the first cylinder 52. With respect to the other end of the threaded section 51, the centerline position of the second cylinder 53 is different from the centerline position of the first cylinder 52, and the eccentric portion 531 is deflected by the adjustment portion 54. Shift (Note: there is a tolerance value when the threaded section 51 of the abutting member 50 is made, so that a gap is generated when the threaded section 51 and the threaded section 221 are coupled to each other, and the shaking affects the offset of the eccentric portion 531. The effect is that the first cylinder 52 is accommodated in the accommodating section 222 so that the abutting member 50 does not sway, so that the eccentric portion 531 can accurately adjust the distance of the blade 30; and a resisting block 60 has a a sleeve portion 61 and a pushing portion 62. The sleeve portion 61 is sleeved on the eccentric portion 531. The pushing portion 62 and the pushed portion 32 cooperate to push the pushing portion 62 radially against the blade 30. The brake type of the pusher 32.

As shown in FIG. 2, in this example, the threaded section 51 is provided with an adjusting portion 54 with respect to the other end of the first cylinder 52, and the second cylinder 53 is opposite to the first cylinder 52. A locking portion 533 is disposed at one end, and the locking block 533 is fixed to the locking portion 533 by a screw 70. The embodiment of the present embodiment mainly explains that the screw 70 is screwed to the fixing portion 533. Faster and firmer.

With the above-mentioned structural composition and technical features, the use of the present invention is explained as follows: As shown in FIGS. 3 and 4, the cutting tool having the fine adjustment function of the blade 30 is adjusted by rotating the resisting member 50. The portion 54 is eccentric because the center of the eccentric portion 531 of the second cylinder 53 is different from the center position of the threaded portion 51, so that the pushing portion 62 of the abutting block 60 is pushed radially against the blade 30. The portion 32 causes the blade 30 to be radially displaced outward (as shown in FIG. 4). At this time, during the adjustment process, the fixing member 40 for fixing the blade 30 is in an unlocked state, and the fixing member is to be adjusted after completion. 40 is locked to the blade 30; the present invention mainly uses the abutting member 50 and the blade 30 to be axially disposed, and the eccentric portion 531 of the abutting member 50 is eccentrically disposed, so the adjusting portion 53 is being performed. During the fine adjustment rotation, the 偏 can cause the eccentric portion 531 to shift and drive the abutting block 60 against the blade 30 (eg, to move the blade 30 by 0.1 mm, the rotation adjustment portion 54 needs to be finely adjusted by about 30 to 40 degrees). The blade 30 is radially displaced outwardly, thereby achieving a greatly improved fine adjustment effect.

As shown in FIG. 5, in the present example, the center of the threaded section 51 defines a first axis 511, and the center of the eccentric portion 531 defines a second axis 532, the first axis 511 and the second An offset distance is formed between the axes 532 (shown by W); the embodiment of the present embodiment mainly states that the center position of the thread segment 51 is different from the center position of the eccentric portion 531, thereby causing eccentricity and threading. The center of the segment 51 defines the center of the first axis 511 and the eccentric portion 531 to define the second axis 532, and the first axis 511 and the second axis 532 are offset and formed in the fine adjustment state. Offset distance.

As shown in the sixth and seventh figures, in this example, the abutting block 60B is in a C-shaped configuration and is sleeved on the eccentric portion 531; in this example, the resisting block 60B can be the same as the foregoing The different implementation types revealed in Figures 3 and 4 can also achieve the equivalent effect of their claims.

As shown in Fig. 8, in this example, the top end surface of the eccentric portion 531 has a scale, and the scale is divided into five, ten, and fifteen (0.05 mm, 0.10 mm, 0.15 mm), and the head end 11 sets a reference line 80 alignment; the purpose of setting the scale in this example is mainly to adjust the scale according to the depth of cut required by the operator during the fine adjustment process, and align the reference line 80 to make the depth of cut More accurate.

As shown in Fig. 9, in this example, the top surface of the screw 70 has a scale, and the scale is divided into 5, 10, and 15 (0.05 mm, 0.10 mm, 0.15 mm), and the head end 11 A reference line 80 is set to be aligned; in this example, the scale can be an implementation form of the top end of the different parts as disclosed in Fig. 8 above, and the equivalent effect of the claim can be achieved.

10‧‧‧Cutter

11‧‧‧ head end

12‧‧‧ shaft

20‧‧‧ accommodating slots

21‧‧‧Fixed holes

22‧‧‧Installation holes

221‧‧ ‧ thread section

222‧‧‧ Included section

30‧‧‧blade

31‧‧‧ Set of holes

32‧‧‧Subjected

40‧‧‧Fixed parts

50‧‧‧Committed parts

51‧‧‧Threaded section

511‧‧‧first axis

52‧‧‧First cylinder

53‧‧‧Second cylinder

531‧‧‧Eccentric parts

532‧‧‧second axis

533‧‧‧Locking

54‧‧‧Adjustment Department

60, 60B‧‧‧

61‧‧‧Setting Department

62‧‧‧Promotion Department

70‧‧‧ screws

80‧‧‧ baseline

Figure 1 is a combined perspective view of a preferred embodiment of the present authoring structure.  Figure 2 is an exploded perspective view of a preferred embodiment of the present authoring structure.  Fig. 3 is a diagram showing an embodiment of the state of use of the present creation.  Fig. 4 is a diagram showing an embodiment of the state of use of the present creation.  Figure 5 is a cross-sectional view of the state of use of the present creation.  Figure 6 is a perspective view of the C-shaped pattern of the creation resisting block.  Fig. 7 is a view showing another embodiment of the state of use of the present creation.  Figure 8 is a diagram showing an example of a scale at the top of the eccentric portion of the creation.  Figure 9 is a diagram showing an example of a scale at the top of the screw.  

Claims (9)

A cutting tool having a blade trimming function, the cutting tool comprising:  a shank with a head end and a shaft;  a receiving slot is disposed at the head end of the arbor, and is provided with a fixing hole and a mounting hole, the mounting hole has a threaded section and a receiving section;  a blade having a set of holes and a pushing portion, the sleeve hole being positioned by the fixing sleeve to be fixed to the fixing hole provided in the receiving groove;  An abutting member having a cylindrical shape, a threaded section, a first cylinder, a second cylinder and an adjusting portion, wherein the threaded section is connected to the first cylinder and is coaxial with each other. The threaded section is screwed to the threaded section of the mounting hole, the first cylinder has a larger diameter than the second cylinder, the first cylinder sinks into the receiving section, and the second cylinder has The eccentric portion protrudes from the surface of the accommodating groove, the second column is connected to the other end of the first cylinder relative to the threaded portion, and the center line position of the second cylinder and the center of the first cylinder The position of the line is different, and the eccentric portion is offset by the rotation of the adjustment portion;  a splicing block having a set portion and a pushing portion, the sleeve portion is sleeved on the eccentric portion, and the pushing portion and the pushed portion cooperate with each other to cause the pushing portion to push radially against the blade The brake type of the push part.   A cutting tool having a blade fine adjustment function according to claim 1, wherein a center of the thread segment defines a first axis, and a center of the eccentric portion defines a second axis, the first axis and An offset distance is formed between the second axes. Cutting with a blade fine adjustment function as described in any one of claims 1 or 2  The cutter, wherein the second cylinder is provided with a locking portion opposite to the other end of the first cylinder, and is screwed to the locking portion to fix the abutting block.   A cutting tool having a blade fine adjustment function according to claim 2, wherein the threaded section is provided with an adjustment portion with respect to the other end of the first cylinder. A cutting tool having a blade fine adjustment function according to claim 3, wherein the threaded section is provided with an adjustment portion with respect to the other end of the first cylinder. The cutting tool having the blade fine adjustment function according to claim 1, wherein the eccentric portion has a scale on the top surface, and the scale is divided into 5, 10, and 15 (0.05 mm, 0.10 mm, 0.15 mm). ), and is aligned with a reference line set at the head end. A cutting tool having a blade fine adjustment function according to claim 3, wherein the top surface of the screw has a scale, and the scale is divided into 5, 10, and 15 (0.05 mm, 0.10 mm, 0.15 mm). And aligned with a reference line set at the head end. The cutting tool having the blade fine-tuning function according to claim 1, wherein the abutting block is in a C-shaped shape and is sleeved on the eccentric portion. A cutting tool having a blade fine adjustment function according to the third aspect of the invention, wherein the abutting block is in a C-shaped configuration and is sleeved on the eccentric portion.