Welded anti-vibration combined T-shaped milling cutter

Abstract

The utility model belongs to the technical field of T-shaped milling cutters, and particularly relates to a welding type anti-vibration combined T-shaped milling cutter which comprises a connecting rod, a fixed sleeve is fixed at the bottom end of the connecting rod, a penetrating rod penetrates out of the bottom end of the fixed sleeve, a cutter body is connected below the penetrating rod, and the cutter body is connected with the fixed sleeve. A supporting mechanism is arranged at the end, penetrating into the fixing sleeve, of the penetrating-out rod. The supporting mechanism comprises a sliding groove, the sliding groove is formed in the outer wall of the fixing sleeve, and a sliding rod is slidably connected into the sliding groove. When the cutter body abuts against materials, the penetrating-out rod penetrates into the fixing sleeve, the inserting rod penetrates through the sleeve block through the limiting hole, and then the damping spring is compressed through the limiting block; and a certain vibration reduction effect is achieved in the compression process, the sliding rod is limited through the sliding groove, the shaking condition is avoided, and therefore the cutter body can be kept stable, and the excessive shaking condition is avoided.

Description

Technical Field

[0001] The utility model relates to a T-type milling cutter, in particular to a welded vibration-resistant combined T-type milling cutter, belonging to the technical field of T-type milling cutters. Background Art

[0002] T-type milling cutters are tools used on milling machines to cut T-shaped grooves and side grooves on workpieces. Also known as T-type milling cutters, semicircular milling cutters, or keyway milling cutters, T-type cutters perfectly machine these grooves and side grooves, maintaining their cutting performance even at high temperatures.

[0003] In the prior art, there is a welded vibration-resistant combination T-type milling cutter disclosed in announcement number CN207942033U. The welded vibration-resistant combination T-type milling cutter has a blade that forms a front angle and a back angle 7 with the vertical reference and the horizontal reference respectively. Since a narrow blade band is ground on the back blade surface to form a back angle, the cutting angle is reasonable, the life of the milling cutter is improved, and the operation can be performed better. The device is provided with a reference center hole, which can make the milling cutter better used, and the milling cutter can reduce vibration, make the cutting amount of the milling cutter circular blade uniform, and the cutting expansion amount is similar to the original value, without affecting the processing accuracy and tool life. The device is made of high-speed steel and can still maintain a high hardness at a high temperature of 600°C. It has good edge strength and toughness and strong vibration resistance, so that the device can better resist vibration, improve the service life of the device, and reduce the occurrence of chipping.

[0004] However, in the implementation of relevant technologies, it was found that the welded anti-vibration combination T-type milling cutter of the above design has the following problems: in the prior art, the cooperation of components such as the back angle can improve the cutting of the contact surface with the material and thus improve the anti-vibration effect. However, in the actual use process, if the hardness of the material is high, it is difficult to cut during the friction process and is prone to shaking, which has a certain impact on the anti-vibration performance. In view of this, a welded anti-vibration combination T-type milling cutter is provided to overcome the above defects. Utility Model Content

[0005] The utility model provides a welded anti-vibration combined T-type milling cutter to solve the problem that the cutting is difficult during the collision process and thus shaking occurs easily, which has a certain impact on the anti-vibration performance.

[0006] The utility model achieves the above-mentioned object through the following technical solutions: a welded anti-vibration combination T-shaped milling cutter, comprising a connecting rod, a fixed sleeve fixed to the bottom end of the connecting rod, a penetration rod extending from the bottom end of the fixed sleeve, a cutter body connected below the penetration rod, and a support mechanism provided at one end of the penetration rod that penetrates the fixed sleeve;

[0007] The supporting mechanism includes a slide groove, which is opened on the outer wall of the fixed sleeve, and the inside of the slide groove is slidably connected to a sliding rod, a sleeve block is fixed on the inner wall of the sliding rod at a position corresponding to the position of the protruding rod, and a limiting hole is opened inside the sleeve block, an insertion rod is fixed at the top end of the protruding rod at a position corresponding to the limiting hole, and one end of the insertion rod protruding from the limiting hole is connected to the limiting block, and a damping spring is installed between the limiting block and the fixed sleeve.

[0008] As a further solution of the present invention: the sliding rod forms a sliding structure with the fixed sleeve through the sliding groove, and the sliding rod forms a clamping structure with the insertion rod through the limiting hole.

[0009] As a further solution of the present invention: the outer dimensions of the insertion rod are consistent with the outer dimensions of the limiting hole, and the insertion rod is tightly fitted with the sleeve block.

[0010] As a further solution of the present invention: a positioning mechanism is provided below the blade, the positioning mechanism includes an arc-shaped blade, the arc-shaped blade is fixed to the bottom end of the blade, and a positioning cone is connected to the center position of the bottom end of the blade, and a connecting blade is fixed between the positioning cone and the arc-shaped blade.

[0011] As a further solution of the present invention: a limiting mechanism is provided below the sliding rod, and the limiting mechanism includes a rotating rod, which is rotatably connected to the bottom end of the sliding rod, and an insert plate is fixed on one end of the rotating rod that passes through the sliding rod, and the interior of the insert plate is rotatably connected to a support shaft.

[0012] As a further solution of the present invention: the limiting mechanism also includes a connecting sleeve, which is sleeved on the end of the rotating rod away from the insertion plate, and a telescopic spring is fixed to the end of the rotating rod that penetrates the connecting sleeve.

[0013] As a further solution of the present invention: a sliding structure is formed between the connecting sleeve and the rotating rod, and a rotating structure is formed between the connecting sleeve and the sliding rod through the rotating rod.

[0014] The beneficial effects of the utility model are as follows: when the cutter body contacts the material, the penetrating rod penetrates the fixed sleeve, passes through the sleeve block through the insertion rod through the limiting hole, and then compresses the damping spring through the limiting block, which has a certain vibration reduction effect during the compression process, and limits the sliding rod through the slide groove to avoid shaking, thereby keeping the cutter body stable and avoiding excessive shaking; the positioning cone contacts the surface of the material before processing to play a positioning effect to avoid deviation, and through the arc-shaped blade with a wide upper and a pointed lower end and the connecting blade, it contacts the material in advance to avoid the situation where the cutter body is too wide or too flat, making it difficult to quickly open the material, thereby causing vibration and shaking; when the sliding rod slides, the two rotating rods are respectively connected to the penetrating rod and the sliding rod through the corresponding insertion plate and the support shaft, and at the same time, the two rotating rods penetrate the connecting sleeve and are elastically pushed by the telescopic spring, which can improve stability during the movement process and avoid shaking. At the same time, the angle is automatically adjusted during the adjustment process through the insertion plate and the support shaft to improve applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the fixed sleeve structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the block structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the connecting blade structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the telescopic spring structure of the utility model.

[0020] In the figure: 1. Connecting rod; 2. Fixed sleeve; 3. Penetrating rod; 4. Cutting body; 5. Support mechanism; 501. Slide groove; 502. Sliding rod; 503. Bushing block; 504. Limiting hole; 505. Insertion rod; 506. Limiting block; 507. Damping spring; 6. Positioning mechanism; 601. Arc blade; 602. Positioning cone; 603. Connecting blade; 7. Limiting mechanism; 701. Rotating rod; 702. Insertion plate; 703. Support shaft; 705. Connecting sleeve; 706. Telescopic spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0022] like Figures 1 to 5 As shown, a welded anti-vibration combination T-type milling cutter comprises a connecting rod 1, a fixed sleeve 2 is fixed at the bottom end of the connecting rod 1, a penetration rod 3 is passed through the bottom end of the fixed sleeve 2, a cutter body 4 is connected below the penetration rod 3, and a support mechanism 5 is provided at one end of the penetration rod 3 that penetrates the fixed sleeve 2; the support mechanism 5 comprises a slide groove 501, the slide groove 501 is provided on the outer wall of the fixed sleeve 2, a sliding rod 502 is slidably connected to the inside of the slide groove 501, a sleeve block 503 is fixed to the inner wall of the sliding rod 502 corresponding to the position of the penetration rod 3, a limiting hole 504 is provided inside the sleeve block 503, and the penetration rod 3 The top of the corresponding limit hole 504 is fixed with an insertion rod 505, and one end of the insertion rod 505 passing through the limit hole 504 is connected to the limit block 506. A damping spring 507 is installed between the limit block 506 and the fixed sleeve 2. The sliding rod 502 forms a sliding structure with the fixed sleeve 2 through the slide groove 501, and the sliding rod 502 forms a locking structure with the insertion rod 505 through the limit hole 504. The outer dimensions of the insertion rod 505 are consistent with the outer dimensions of the limit hole 504, and the insertion rod 505 is tightly fitted with the sleeve block 503; when the cutter body 4 contacts the material, the insertion rod 3 Insert the fixed sleeve 2, pass the insert rod 505 through the limiting hole 504 to pass through the sleeve block 503, and then compress the damping spring 507 through the limiting block 506, which has a certain vibration reduction effect during the compression process, and limits the sliding rod 502 through the sliding groove 501 to avoid shaking, thereby keeping the blade 4 stable and avoiding excessive shaking. Example 2

[0023] In addition to all the technical features of Example 1, this embodiment also includes: a positioning mechanism 6 is provided below the cutter body 4, the positioning mechanism 6 includes an arc-shaped blade 601, the arc-shaped blade 601 is fixed to the bottom end of the cutter body 4, a positioning cone 602 is connected to the center position of the bottom end of the cutter body 4, and a connecting blade 603 is fixed between the positioning cone 602 and the arc-shaped blade 601; the positioning cone 602 contacts the surface of the material before processing to play a positioning effect to avoid deviation, and through the arc-shaped blade 601 with a wide top and a pointed bottom and the connecting blade 603, the material is contacted in advance to avoid the cutter body 4 being too wide or too flat, making it difficult to quickly open the material, thereby causing vibration and shaking. Example 3

[0024] In addition to all the technical features of the first embodiment, the present embodiment also includes: a limiting mechanism 7 is provided below the sliding rod 502, the limiting mechanism 7 includes a rotating rod 701, the rotating rod 701 is rotatably connected to the bottom end of the sliding rod 502, the end of the rotating rod 701 that penetrates the sliding rod 502 is fixed with an insert plate 702, the interior of the insert plate 702 is rotatably connected to a support shaft 703, the limiting mechanism 7 also includes a connecting sleeve 705, the connecting sleeve 705 is sleeved on the end of the rotating rod 701 away from the insert plate 702, the end of the rotating rod 701 that penetrates the connecting sleeve 705 is fixed with a telescopic spring 7 06. A sliding structure is formed between the connecting sleeve 705 and the rotating rod 701, and a rotating structure is formed between the connecting sleeve 705 and the sliding rod 502 through the rotating rod 701; when the sliding rod 502 slides, the two rotating rods 701 are respectively connected to the outlet rod 3 and the sliding rod 502 through the corresponding insertion plates 702 and support shafts 703. At the same time, the two rotating rods 701 penetrate into the connecting sleeve 705 and are elastically pushed by the telescopic spring 706, which can improve stability during the movement process and avoid shaking. At the same time, the angle is automatically adjusted during the adjustment process through the insertion plate 702 and the support shaft 703 to improve applicability.

[0025] Working principle: The connecting rod 1 is connected to the power end of the machine tool, the rod 3 is inserted into the fixed sleeve 2, and is connected to the sleeve 503 of the sliding rod 502 through the insertion rod 505 and the limit block 506, and is engaged with the limit hole 504. When working, the cutter body 4 is pressed against the rod 3, and the damping spring 507 is forced to shrink under the action of the limit block 506 to play a certain vibration reduction role, and the sliding rod 502 is limited by the slide groove 501 to avoid excessive shaking. 02 is convenient for inserting objects, and through the connecting blade 603 and the arc blade 601, it can resist and cut into the material to avoid deviation, avoid shaking during the processing and improve vibration reduction. When the blade body 4 is subjected to the force damping spring 507 and contracts, the telescopic spring 706 is compressed by the rotating rod 701 and slides inside the connecting sleeve 705, further improving the vibration reduction. In conjunction with the insertion plate 702 and the support shaft 703, the angle of the rotating rod 701 can be automatically adjusted according to the degree of compression to improve adaptability.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A welded anti-vibration combined T-type milling cutter, comprising a connecting rod (1), characterized in that: A fixed sleeve (2) is fixed to the bottom end of the connecting rod (1), and a protruding rod (3) is passed through the bottom end of the fixed sleeve (2), a cutter body (4) is connected below the protruding rod (3), and a support mechanism (5) is provided at one end of the protruding rod (3) that passes through the fixed sleeve (2); The support mechanism (5) includes a slide groove (501), the slide groove (501) is provided on the outer wall of the fixed sleeve (2), and the interior of the slide groove (501) is slidably connected to a sliding rod (502), a sleeve block (503) is fixed on the inner wall of the sliding rod (502) at a position corresponding to the position of the protruding rod (3), and a limiting hole (504) is provided inside the sleeve block (503), an insertion rod (505) is fixed at a position corresponding to the limiting hole (504) at the top end of the protruding rod (3), and one end of the insertion rod (505) that protrudes from the limiting hole (504) is connected to a limiting block (506), and a damping spring (507) is installed between the limiting block (506) and the fixed sleeve (2).

2. The welded vibration-resistant combined T-type milling cutter according to claim 1, characterized in that: The sliding rod (502) forms a sliding structure with the fixed sleeve (2) through the sliding groove (501), and the sliding rod (502) forms a snap-fit ​​structure with the insertion rod (505) through the limiting hole (504).

3. The welded vibration-resistant combined T-type milling cutter according to claim 1, characterized in that: The outer dimensions of the insertion rod (505) match those of the limiting hole (504), and the insertion rod (505) fits tightly with the sleeve block (503).

4. The welded vibration-resistant combined T-type milling cutter according to claim 1, characterized in that: A positioning mechanism (6) is provided below the blade body (4), the positioning mechanism (6) comprising an arc-shaped blade (601), the arc-shaped blade (601) being fixed to the bottom end of the blade body (4), and a positioning cone (602) being connected to the center position of the bottom end of the blade body (4), and a connecting blade (603) being fixed between the positioning cone (602) and the arc-shaped blade (601).

5. The welded vibration-resistant combined T-type milling cutter according to claim 1, characterized in that: A limiting mechanism (7) is provided below the sliding rod (502), and the limiting mechanism (7) includes a rotating rod (701), the rotating rod (701) is rotatably connected to the bottom end of the sliding rod (502), and an insertion plate (702) is fixed to one end of the rotating rod (701) that penetrates into the sliding rod (502), and a support shaft (703) is rotatably connected inside the insertion plate (702).

6. The welded vibration-resistant combined T-type milling cutter according to claim 5, characterized in that: The limiting mechanism (7) further comprises a connecting sleeve (705), wherein the connecting sleeve (705) is sleeved on one end of the rotating rod (701) away from the insertion plate (702), and a telescopic spring (706) is fixed to one end of the rotating rod (701) that penetrates the connecting sleeve (705).

7. The welded vibration-resistant combined T-type milling cutter according to claim 6, characterized in that: A sliding structure is formed between the connecting sleeve (705) and the rotating rod (701), and a rotating structure is formed between the connecting sleeve (705) and the sliding rod (502) through the rotating rod (701).

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