Turning tool for V-shaped ball and using method of turning tool

Abstract

The invention relates to the technical field of part machining, and discloses a turning tool for a V-shaped ball and a using method of the turning tool, and solves the problem that the shape of a machined spherical surface is easy to be elliptical in the machining process of the V-shaped ball at present, the turning tool comprises a V-shaped ball body, and a balance weight mechanism is arranged on the outer side of the V-shaped ball body; a fine adjustment mechanism and a driving mechanism are arranged on the counterweight mechanism; according to the invention, through the cooperation among the outer ring, the side ring and the side rod, the V-shaped ball body can conveniently sleeve the outer side of the core shaft, and through the cooperation between the screw rod and the nut, the counterweight hemispheroid and the V-shaped ball body can be fixed, so that the counterweight hemispheroid and the V-shaped ball body form complementation to form a whole ball, vibration caused by intermittent cutting of a cutter is avoided, and the service life of the cutter is prolonged. Meanwhile, measurement is facilitated, and the problem that the spherical surface of the V-shaped ball body is not accurately measured is solved, so that the problem that the spherical surface of the V-shaped ball body is subjected to ellipse turning is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of parts processing, and in particular relates to a lathe tool for a V-shaped ball and a use method thereof. Background Art

[0002] At present, the surface of a V-shaped hemispherical part needs to be processed. The V-shaped hemispherical part has an irregular shape and its center of gravity deviates from the center of the ball. During the processing of such eccentric parts, due to the existence of eccentric force, the processed spherical surface will be elliptical, which cannot meet the surface processing accuracy of the ball. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a lathe for V-shaped balls and a method of using the same, which effectively solves the problem that the V-shaped balls are prone to having an elliptical spherical shape during machining.

[0004] To achieve the above object, the present invention provides the following technical solutions: a lathe for a V-shaped ball, comprising a V-shaped ball body, a counterweight mechanism is provided on the outer side of the V-shaped ball body, and a fine adjustment mechanism and a driving mechanism are provided on the counterweight mechanism;

[0005] The counterweight mechanism includes a counterweight hemisphere located outside the V-shaped ball body. The outer surface of the counterweight hemisphere is a sphere and the size is the same as that of the V-shaped ball body. A positioning column is fixedly installed inside the counterweight hemisphere. A positioning hole is provided inside the V-shaped ball body, and the positioning column is inserted into the positioning hole. A clamping block is fixedly connected to the counterweight hemisphere, and a clamping groove is provided on the outside of the V-shaped ball body. The clamping block is inserted into the clamping groove. Two inner rods are symmetrically fixedly connected inside the clamping groove, and the clamping block is sleeved on the outside of the two inner rods.

[0006] Preferably, a core shaft is inserted into the interior of the V-shaped ball body, one end of the core shaft is located on the outside of the V-shaped ball body, the other end of the core shaft abuts against the inner wall of the V-shaped ball body and is fixedly connected with a screw, the end of the screw away from the core shaft extends to the outside of the V-shaped ball body, and the screw passes through the block, and a nut is threadedly sleeved on the outer side of the screw, and the nut abuts against the block.

[0007] Preferably, an outer ring is fixedly sleeved on the outer side of the core shaft, a side ring is fixedly installed on the outer side of the V-shaped ball body, the core shaft passes through the side ring, and the outer ring abuts against the side ring, and two side rods are symmetrically fixedly connected to the side of the side ring away from the V-shaped ball body, and the outer ring is sleeved on the outside of the two side rods.

[0008] Preferably, the fine-tuning mechanism comprises an arc-shaped round rod located in the counterweight hemisphere, both ends of the arc-shaped round rod are fixedly connected with support blocks, both support blocks are fixedly connected to the counterweight hemisphere, and an arc-shaped fine-tuning plate is movably sleeved on the outer side of the arc-shaped round rod.

[0009] Preferably, a sleeve block is fixedly sleeved on the outer side of the positioning column, and a rotating shaft is rotatably connected to the outer side of the sleeve block, and one end of the rotating shaft away from the sleeve block extends to the outer side of the counterweight hemisphere.

[0010] Preferably, a gear one is fixedly mounted on the outer side of the rotating shaft, the gear one is located inside the counterweight hemisphere, an arc-shaped toothed plate is fixedly mounted on the inner surface of the arc-shaped fine-tuning plate, and the arc-shaped toothed plate is meshingly connected with the gear one.

[0011] Preferably, the driving mechanism includes a U-shaped plate fixed to the outside of the counterweight hemisphere, the U-shaped plate is located above the rotating shaft, a square tooth plate is movably installed inside the U-shaped plate, and gear 2 is fixedly installed on the outside of the rotating shaft, gear 2 is located on the outside of the counterweight hemisphere, and gear 2 is meshingly connected with the square tooth plate.

[0012] Preferably, a guide column is fixedly connected to the inside of the U-shaped plate, a guide plate is movably sleeved on the outside of the guide column, and a square tooth plate is fixed to the bottom of the guide plate.

[0013] Preferably, the U-shaped plate is rotatably connected to a screw rod inside, one end of which extends to the outside of the U-shaped plate and is fixedly connected to a turntable, a nut is threadedly sleeved on the outside of the screw rod, and a guide plate is fixed to the bottom of the nut.

[0014] A method for using a V-shaped ball turning tool comprises the following steps:

[0015] Step 1: First, place the counterweight hemisphere on the outside of the V-shaped ball body, insert the positioning column into the positioning hole, and at the same time, the clamping block is clamped in the clamping groove and sleeved on the outside of the two inner rods, and then insert the mandrel into the V-shaped ball body, and fix the counterweight hemisphere to the V-shaped ball body through the screw and nut to complete the installation of the counterweight hemisphere;

[0016] Step 2: Then rotate the turntable to drive the screw to rotate, and drive the guide plate to slide along the guide column through the nut, so that the rotation of the shaft is realized under the cooperation between the square tooth plate and the gear 2;

[0017] Step 3: Finally, with the cooperation of gear 1 and the arc-shaped toothed plate, the arc-shaped fine-tuning plate is driven to slide along the arc-shaped round rod to complete the adjustment of the position of the arc-shaped fine-tuning plate.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] (1) The present invention facilitates the placement of the counterweight hemisphere on the outside of the V-shaped ball body through the cooperation between the positioning column and the positioning hole and between the clamping block and the inner rod, and facilitates the sleeve of the V-shaped ball body on the outside of the core shaft through the cooperation between the outer ring and the side ring and the side rod, and can fix the counterweight hemisphere to the V-shaped ball body through the cooperation between the screw rod and the nut, so that the counterweight hemisphere and the V-shaped ball body complement each other to form a whole ball, avoiding the vibration caused by intermittent cutting of the tool, improving the spherical surface processing accuracy, and facilitating measurement at the same time, solving the problem of inaccurate spherical surface measurement of the V-shaped ball body, thereby solving the problem of elliptical spherical surface machining of the V-shaped ball body.

[0020] (2) The invention achieves this by cooperating between the rotating shaft, gear 1, and the arc-shaped toothed plate. When the rotating shaft rotates, the arc-shaped fine-adjustment plate can be driven to slide along the arc-shaped round rod, and then the position of the arc-shaped fine-adjustment plate can be adjusted, thereby facilitating adjustment of the center of gravity of the entire ball formed by the V-shaped ball body and the counterweight hemisphere to meet the spherical surface processing accuracy.

[0021] (3) The invention facilitates the sliding of the guide plate along the guide column through the cooperation between the turntable, the screw rod and the nut, and facilitates the rotation of the shaft through the cooperation between the guide plate and the gear 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0023] In the attached picture:

[0024] Figure 1 It is a schematic diagram of the structure of the turning tooling for V-shaped balls of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of the counterweight mechanism of the present invention;

[0026] Figure 3 This is a schematic diagram of the disassembled structure of the weighted hemisphere and the V-shaped ball body of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the V-shaped ball body of the present invention;

[0028] Figure 5 This is a schematic diagram of the fine-tuning mechanism structure of the present invention;

[0029] Figure 6 It is a schematic diagram of the driving mechanism structure of the present invention.

[0030] In the figure: 1. V-shaped ball body; 2. counterweight mechanism; 201. counterweight hemisphere; 202. positioning column; 203. core shaft; 204. nut; 205. screw; 206. clamping block; 207. outer ring; 208. inner rod; 209. clamping groove; 2010. positioning hole; 2011. side rod; 2012. side ring; 3. fine-tuning mechanism; 301. arc-shaped round rod; 302. support block; 303. sleeve block; 304. rotating shaft; 305. gear one; 306. arc-shaped tooth plate; 307. arc-shaped fine-tuning plate; 4. driving mechanism; 401. U-shaped plate; 402. square tooth plate; 403. gear two; 404. guide plate; 405. guide column; 406. screw rod; 407. nut; 408. turntable. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] Embodiment 1, by Figure 1-Figure 6 The present invention comprises a V-shaped ball body 1 , a counterweight mechanism 2 is arranged on the outer side of the V-shaped ball body 1 , and a fine adjustment mechanism 3 and a driving mechanism 4 are arranged on the counterweight mechanism 2 .

[0033] Embodiment 2, on the basis of embodiment 1, the counterweight mechanism 2 includes a counterweight hemisphere 201 located outside the V-shaped ball body 1, the outer surface of the counterweight hemisphere 201 is a sphere, the size of which is the same as that of the V-shaped ball body 1, a positioning column 202 is fixedly installed inside the counterweight hemisphere 201, a positioning hole 2010 is provided inside the V-shaped ball body 1, the positioning column 202 is inserted into the positioning hole 2010, a clamping block 206 is fixedly connected to the counterweight hemisphere 201, a clamping groove 209 is provided on the outside of the V-shaped ball body 1, the clamping block 206 is inserted into the clamping groove 209, two inner rods 208 are symmetrically fixedly connected inside the clamping groove 209, the clamping block 206 is sleeved on the outside of the two inner rods 208, a core shaft 203 is inserted into the inside of the V-shaped ball body 1, and the core shaft 203 One end of the core shaft 203 is located on the outside of the V-shaped ball body 1, and the other end of the core shaft 203 abuts against the inner wall of the V-shaped ball body 1 and is fixedly connected with a screw rod 205. The end of the screw rod 205 away from the core shaft 203 extends to the outside of the V-shaped ball body 1, and the screw rod 205 passes through the clamping block 206. The outer thread of the screw rod 205 is sleeved with a nut 204, and the nut 204 abuts against the clamping block 206. The outer side of the core shaft 203 is fixedly sleeved with an outer ring 207. The outer side of the V-shaped ball body 1 is fixedly installed with a side ring 2012. The core shaft 203 passes through the side ring 2012, and the outer ring 207 abuts against the side ring 2012. The side ring 2012 away from the V-shaped ball body 1 is symmetrically fixedly connected with two side rods 2011, and the outer ring 207 is sleeved on the outside of the two side rods 2011;

[0034] First, place the counterweight hemisphere 201 on the outside of the V-shaped ball body 1, so that the positioning column 202 is inserted into the positioning hole 2010, and the block 206 is stuck in the groove 209 and sleeved on the outside of the two inner rods 208. Then the core shaft 203 passes through the side ring 2012 and is inserted into the V-shaped ball body 1. At the same time, the screw 205 passes through the block 206 until the outer ring 207 is sleeved on the outside of the two side rods 2011 and abuts against the side ring 2012. Then the nut 204 is sleeved on the outside of the screw 205 and tightened to fix the counterweight hemisphere 201 to the V-shaped ball body 1, so that the counterweight hemisphere 201 and the V-shaped ball body 1 complement each other to form a whole ball. Finally, the problem of spherical machining of ellipse of the V-shaped ball body 1 is solved.

[0035] Embodiment 3, on the basis of embodiment 1, the fine-tuning mechanism 3 comprises an arc-shaped round rod 301 located in the counterweight hemisphere 201, both ends of the arc-shaped round rod 301 are fixedly connected with support blocks 302, the two support blocks 302 are fixedly connected with the counterweight hemisphere 201, the outer side of the arc-shaped round rod 301 is movably sleeved with an arc-shaped fine-tuning plate 307, the outer side of the positioning column 202 is fixedly sleeved with a sleeve block 303, the outer side of the sleeve block 303 is rotatably connected with a rotating shaft 304, the end of the rotating shaft 304 away from the sleeve block 303 extends to the outside of the counterweight hemisphere 201, the outer side of the rotating shaft 304 is fixedly installed with a gear 1 305, the gear 1 305 is located inside the counterweight hemisphere 201, the inner surface of the arc-shaped fine-tuning plate 307 is fixedly installed with an arc-shaped toothed plate 306, and the arc-shaped toothed plate 306 is meshingly connected with the gear 1 305;

[0036] First, the rotating shaft 304 is rotated to drive the gear 1 305 to rotate. Since the gear 1 305 is meshed with the arc tooth plate 306, the arc fine-tuning plate 307 is driven to slide along the arc round rod 301, and the position of the arc fine-tuning plate 307 inside the counterweight hemisphere 201 is adjusted. Finally, the center of gravity of the entire ball formed by the V-shaped ball body 1 and the counterweight hemisphere 201 is adjusted to meet the spherical surface processing accuracy.

[0037] Embodiment 4, on the basis of embodiment 1, the driving mechanism 4 includes a U-shaped plate 401 fixed to the outside of the counterweight hemisphere 201, the U-shaped plate 401 is located above the rotating shaft 304, a square tooth plate 402 is movably installed inside the U-shaped plate 401, a gear 2 403 is fixedly installed on the outside of the rotating shaft 304, the gear 2 403 is located on the outside of the counterweight hemisphere 201, and the gear 2 403 is meshed and connected with the square tooth plate 402, a guide column 405 is fixedly connected inside the U-shaped plate 401, the guide column 405 is movably sleeved with the guide plate 404 on the outside, the square tooth plate 402 is fixed to the bottom of the guide plate 404, a screw rod 406 is rotatably connected inside the U-shaped plate 401, one end of the screw rod 406 extends to the outside of the U-shaped plate 401 and is fixedly connected with a turntable 408, a nut 407 is threadedly sleeved on the outside of the screw rod 406, and the guide plate 404 is fixed to the bottom of the nut 407;

[0038] First, the turntable 408 is rotated to drive the screw rod 406 to rotate, and the guide plate 404 is driven to slide along the guide column 405 through the nut 407, and the square tooth plate 402 is driven to move. Since the square tooth plate 402 is meshed and connected with the gear 2 403, the rotation of the shaft 304 is finally realized.

Claims

1. A tool for turning a V-shaped ball, comprising a V-shaped ball body (1), characterized in that: A counterweight mechanism (2) is provided on the outer side of the V-shaped ball body (1), and a fine adjustment mechanism (3) and a driving mechanism (4) are provided on the counterweight mechanism (2); The counterweight mechanism (2) comprises a counterweight hemisphere (201) located outside the V-shaped ball body (1); the outer surface of the counterweight hemisphere (201) is a sphere, and the size is the same as that of the V-shaped ball body (1); a positioning column (202) is fixedly installed inside the counterweight hemisphere (201); a positioning hole (2010) is provided inside the V-shaped ball body (1); the positioning column (202) is inserted into the positioning hole (2010); a clamping block (206) is fixedly connected to the counterweight hemisphere (201); a clamping groove (209) is provided outside the V-shaped ball body (1); the clamping block (206) is inserted into the clamping groove (209); two inner rods (208) are symmetrically fixedly connected inside the clamping groove (209); the clamping block (206) is sleeved on the outer sides of the two inner rods (208).

2. A tooling device for V-shaped balls according to claim 1, characterized in that: A core shaft (203) is inserted into the interior of the V-shaped ball body (1), one end of the core shaft (203) is located outside the V-shaped ball body (1), the other end of the core shaft (203) is in contact with the inner wall of the V-shaped ball body (1) and is fixedly connected with a screw rod (205), one end of the screw rod (205) away from the core shaft (203) extends to the outside of the V-shaped ball body (1), and the screw rod (205) passes through a clamping block (206), and a nut (204) is threadedly sleeved on the outer side of the screw rod (205), and the nut (204) is in contact with the clamping block (206).

3. A tooling device for V-shaped balls according to claim 2, characterized in that: The outer side of the core shaft (203) is fixedly sleeved with an outer ring (207), the outer side of the V-shaped ball body (1) is fixedly installed with a side ring (2012), the core shaft (203) passes through the side ring (2012), and the outer ring (207) abuts against the side ring (2012), and two side rods (2011) are symmetrically fixedly connected to the side of the side ring (2012) away from the V-shaped ball body (1), and the outer ring (207) is sleeved on the outer sides of the two side rods (2011).

4. A V-shaped ball turning tool according to claim 1, characterized in that: The fine-tuning mechanism (3) comprises an arc-shaped round rod (301) located in the counterweight hemisphere (201), both ends of the arc-shaped round rod (301) are fixedly connected to support blocks (302), both support blocks (302) are fixedly connected to the counterweight hemisphere (201), and an arc-shaped fine-tuning plate (307) is movably sleeved on the outer side of the arc-shaped round rod (301).

5. The lathe for V-shaped ball according to claim 1, characterized in that: The outer side of the positioning column (202) is fixedly sleeved with a sleeve block (303), and the outer side of the sleeve block (303) is rotatably connected with a rotating shaft (304), and one end of the rotating shaft (304) away from the sleeve block (303) extends to the outer side of the counterweight hemisphere (201).

6. A tooling device for V-shaped balls according to claim 5, characterized in that: A gear 1 (305) is fixedly mounted on the outer side of the rotating shaft (304), and the gear 1 (305) is located inside the counterweight hemisphere (201). An arc-shaped toothed plate (306) is fixedly mounted on the inner surface of the arc-shaped fine-tuning plate (307), and the arc-shaped toothed plate (306) is meshingly connected with the gear 1 (305).

7. A tooling device for V-shaped balls according to claim 1, characterized in that: The driving mechanism (4) comprises a U-shaped plate (401) fixed to the outside of the counterweight hemisphere (201), the U-shaped plate (401) is located above the rotating shaft (304), a square tooth plate (402) is movably installed inside the U-shaped plate (401), a second gear (403) is fixedly installed outside the rotating shaft (304), the second gear (403) is located outside the counterweight hemisphere (201), and the second gear (403) is meshingly connected with the square tooth plate (402).

8. A tooling device for V-shaped balls according to claim 7, characterized in that: The U-shaped plate (401) is fixedly connected to a guide column (405) inside, a guide plate (404) is movably sleeved on the outside of the guide column (405), and a square tooth plate (402) is fixed to the bottom of the guide plate (404).

9. A tooling device for V-shaped balls according to claim 7, characterized in that: The U-shaped plate (401) is rotatably connected to a screw rod (406) inside, one end of the screw rod (406) extends to the outside of the U-shaped plate (401) and is fixedly connected to a turntable (408), a nut (407) is threadedly sleeved on the outside of the screw rod (406), and the guide plate (404) is fixed to the bottom of the nut (407).

10. A method for using the V-shaped ball turning tool as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: First, place the counterweight hemisphere (201) on the outside of the V-shaped ball body (1), so that the positioning column (202) is inserted into the positioning hole (2010), and the clamping block (206) is clamped in the clamping groove (209) and sleeved on the outside of the two inner rods (208), and then insert the core shaft (203) into the V-shaped ball body (1), and fix the counterweight hemisphere (201) and the V-shaped ball body (1) by the screw (205) and the nut (204), and complete the installation of the counterweight hemisphere (201); Step 2: Then rotate the turntable (408) to drive the screw (406) to rotate, and drive the guide plate (404) to slide along the guide column (405) through the nut (407), and realize the rotation of the shaft (304) under the cooperation between the square tooth plate (402) and the gear 2 (403); Step 3: Finally, the arc-shaped fine-tuning plate (307) is driven to slide along the arc-shaped round rod (301) under the cooperation of gear 1 (305) and arc-shaped toothed plate (306), thereby completing the adjustment of the position of the arc-shaped fine-tuning plate (307).

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