Clamping tool for grinding outer circle of annular target material

Abstract

The utility model belongs to the technical field of target material machining equipment, and particularly relates to a clamping tool for polishing the outer circle of an annular target material. According to the technical scheme, the clamping tool for grinding the outer circle of the annular target material comprises a mounting frame, a rotating shaft is rotationally connected to the mounting frame, a center bevel gear is fixed to the other end of the rotating shaft, the center bevel gear is meshed with a plurality of driven bevel gears, the driven bevel gears are connected with lead screw nut mechanisms, and the lead screw nut mechanisms are mounted on the mounting frame; the output end of the lead screw nut mechanism is connected with a clamping mechanism used for clamping the inner side of the annular target material. The utility model provides a clamping tool for polishing the outer circle of an annular target material.

Description

Technical Field

[0001] The utility model belongs to the technical field of target material processing equipment, in particular to a clamping tool for grinding the outer circle of annular target material. Background Art

[0002] At present, impurities and foreign matter on the main surface of the target are mainly removed by polishing with a polishing machine. However, the removal of foreign matter, oxides, and non-target material on the outer circle of the target is mainly achieved by using manual sandpaper or pneumatic polishing machines. It is difficult to remove copper rust by sandpaper polishing, and the efficiency is low. In addition, the roughness is unstable and highly volatile when polishing directly with sandpaper or pneumatic polishing machines, resulting in unstable quality, which is difficult to meet the current total production volume and quality requirements.

[0003] In particular, there is no dedicated clamping tooling for polishing and grinding the outer circle of annular target materials in the prior art. Utility Model Content

[0004] In order to solve the above problems existing in the prior art, the purpose of the utility model is to provide a clamping tool for grinding the outer circle of annular target material.

[0005] The technical solution adopted by the utility model is:

[0006] A clamping tool for grinding the outer circle of an annular target material comprises a mounting frame, a rotating shaft is rotatably connected to the mounting frame, a central bevel gear is fixed to the other end of the rotating shaft, the central bevel gear is meshed with a plurality of driven bevel gears, the driven bevel gears are connected to a lead screw and nut mechanism, the lead screw and nut mechanism is mounted on the mounting frame, and the output end of the lead screw and nut mechanism is connected to a clamping mechanism for clamping the inner side of the annular target material.

[0007] When the rotating shaft of the utility model rotates, the central bevel gear rotates accordingly, and the central bevel gear drives a plurality of driven bevel gears to rotate. The driven bevel gear drives the lead screw nut mechanism to move, and the output end of the lead screw nut mechanism drives the clamping mechanism to move away from or close to the central bevel gear. When clamping the annular target material, the plurality of clamping mechanisms move away from the central bevel gear and then clamp the annular target material from the inner side of the annular target material, thereby clamping the annular target material.

[0008] The clamping tool of the utility model clamps the annular target material from the inner side thereof, and will not block the outer cylindrical surface of the annular target material, thereby facilitating grinding and polishing the outer cylindrical surface of the annular target material.

[0009] The utility model drives a plurality of driven bevel gears to rotate through a central bevel gear, so that a plurality of clamping mechanisms can move synchronously and at the same speed, ensuring that each clamping mechanism can evenly clamp the annular target material and can simplify the structure.

[0010] After the clamping mechanism of the utility model moves to be separated from the annular target material, the annular target material is automatically unlocked, so the clamping or disassembly of the annular target material is convenient.

[0011] As a preferred embodiment of the utility model, the screw nut mechanism includes a polygonal tube, which is fixed on a mounting frame, a nut is sleeved inside the polygonal tube, a screw is threadedly connected to the nut, one end of the screw is fixed to a driven bevel gear, a telescopic tube is fixed on the nut, and a clamping mechanism is connected to an end of the telescopic tube away from the driven bevel gear. The polygonal tube is fixed on the mounting frame, so that the nut sleeved inside the polygonal tube will not rotate. When the driven bevel gear drives the screw to rotate, the screw drives the nut to move linearly. The telescopic tube on the nut pushes the clamping mechanism to move, so that a plurality of clamping mechanisms can be moved to a position where they can clamp the inner side of the annular target.

[0012] As a preferred solution of the utility model, a stopper for blocking the nut is provided at one end of the lead screw away from the driven bevel gear. The stopper can limit the nut to prevent the nut from falling off the lead screw.

[0013] As a preferred solution of the utility model, a section of the lead screw connected to the driven bevel gear is a polished rod section, and the polished rod section is connected to the mounting frame through a bearing. The polished rod section of the lead screw is supported by the bearing to improve the stability of the lead screw during rotation.

[0014] As a preferred embodiment of the utility model, the clamping mechanism includes a fixed rod, a supporting cross bar for supporting the lower edge of the annular target is fixed on the lower side of the fixed rod, a telescopic rod is sleeved on the upper side of the fixed rod, a clamping cross bar is fixed on the upper end of the telescopic rod, a compression spring is connected between the clamping cross bar and the fixed rod, and the compression spring is sleeved on the telescopic rod. Before the clamping mechanism moves into place, pull up the clamping cross bar, and then continue to move the clamping mechanism so that the clamping cross bar and the supporting cross bar can extend to the upper and lower edges of the inner side of the annular target respectively. Then release the clamping cross bar, and under the action of the restoring force of the compression spring, the clamping cross bar presses the upper side of the annular target to achieve reliable clamping of the annular target.

[0015] As a preferred solution of the utility model, a locking mechanism for locking the rotating shaft is installed on the mounting frame. After the annular target is clamped, the rotation is locked by the locking mechanism to avoid the annular target from moving during the grinding process.

[0016] As a preferred solution of the utility model, the locking mechanism includes a sleeve, the sleeve is fixed on the mounting frame, a pawl assembly is arranged in the sleeve, a ratchet wheel is fixed on the rotating shaft, and the ratchet assembly is engaged with the ratchet wheel. After the ratchet assembly engages the ratchet wheel, the rotating shaft can no longer rotate, ensuring the stable position of the clamping mechanism.

[0017] As a preferred embodiment of the utility model, the ratchet assembly includes a sleeve rod, a ratchet is fixed at one end of the sleeve rod, the ratchet is engaged with the ratchet wheel, a sleeve plate is fixed in the sleeve, the sleeve rod is sleeved in the sleeve plate, a connecting ring is fixed on the sleeve rod, a tension spring is connected between the connecting ring and the sleeve plate, and the tension spring is sleeved on the sleeve rod. In the process of moving the clamping mechanism, the sleeve rod is moved away from the ratchet wheel, the ratchet is separated from the ratchet wheel, the rotating shaft can rotate freely, and it is convenient to drive the clamping mechanism to move. After the clamping mechanism clamps the annular target material, the sleeve rod is released, and under the action of the restoring force of the tension spring, the sleeve rod moves in the sleeve plate toward the ratchet wheel, and the ratchet is engaged with the ratchet wheel to achieve locking of the rotating shaft.

[0018] As a preferred solution of the utility model, a pulling handle is fixed to the end of the sleeve rod away from the ratchet, and one end of the pulling handle extends out of the sleeve. When the sleeve is pulled out, the operation is performed by pulling the handle.

[0019] As a preferred solution of the utility model, a rotating hand wheel is fixed on the rotating shaft. When driving the central bevel gear, the rotating hand wheel is operated to make the central bevel gear drive the plurality of driven bevel gears to rotate.

[0020] The beneficial effects of the utility model are:

[0021] 1. The clamping tool of the utility model clamps the annular target from the inner side, and will not block the outer cylindrical surface of the annular target, thereby facilitating the grinding and polishing of the outer cylindrical surface of the annular target.

[0022] 2. The utility model drives a plurality of driven bevel gears to rotate through a central bevel gear, so that a plurality of clamping mechanisms can move synchronously and at the same speed, ensuring that each clamping mechanism can evenly clamp the annular target material and can simplify the structure.

[0023] 3. After the clamping mechanism of the utility model moves to be separated from the annular target, the annular target is automatically unlocked, which makes it convenient to clamp or disassemble the annular target. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a top view of the utility model;

[0025] Figure 2 It is the front view of the utility model;

[0026] Figure 3 It is a partial structural diagram of the utility model;

[0027] Figure 4 is a structural schematic diagram of the locking mechanism;

[0028] Figure 5 It is a schematic diagram of the structure of the ring target.

[0029] In the figure: 1-mounting frame; 2-rotating shaft; 3-center bevel gear; 4-driven bevel gear; 5-screw nut mechanism; 6-clamping mechanism; 7-locking mechanism; 8-annular target; 9-grinding tool; 21-rotating hand wheel; 51-polygonal tube; 52-nut; 53-screw; 54-telescopic tube; 55-limiting head; 56-light rod section; 61-fixing rod; 62-support cross bar; 63-telescopic rod; 64-pressing cross bar; 65-compression spring; 71-sleeve; 72-ratchet; 73-sleeve rod; 74-ratchet; 75-sleeve plate; 76-connecting ring; 77-tension spring; 78-pull handle; 91-annular guide rail. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0032] like Figure 1 , Figure 2 and Figure 5 As shown, the clamping tool for grinding the outer circle of the annular target material of this embodiment includes a mounting frame 1, on which a rotating shaft 2 is rotatably connected, a center bevel gear 3 is fixed to the other end of the rotating shaft 2, the center bevel gear 3 is meshed with a plurality of driven bevel gears 4, the driven bevel gears 4 are connected to a screw nut mechanism 5, the screw nut mechanism 5 is installed on the mounting frame 1, and the output end of the screw nut mechanism 5 is connected to a clamping mechanism 6 for clamping the inner side of the annular target material 8.

[0033] When the rotating shaft 2 of the utility model rotates, the central bevel gear 3 rotates accordingly, and the central bevel gear 3 drives a plurality of driven bevel gears 4 to rotate. The driven bevel gears 4 drive the lead screw nut mechanism 5 to operate, and the output end of the lead screw nut mechanism 5 drives the clamping mechanism 6 to move away from or close to the central bevel gear 3. When clamping the annular target 8, the plurality of clamping mechanisms 6 move away from the central bevel gear 3 and then clamp the annular target 8 from the inner side of the annular target 8, thereby clamping the annular target 8.

[0034] The clamping tool of the utility model clamps the annular target material from the inner side, and will not block the outer cylindrical surface of the annular target material 8 , thereby facilitating the grinding and polishing of the outer cylindrical surface of the annular target material 8 .

[0035] In the utility model, a central bevel gear 3 drives a plurality of driven bevel gears 4 to rotate, so that a plurality of clamping mechanisms 6 can move synchronously and at the same speed, ensuring that each clamping mechanism 6 can evenly clamp the annular target material 8 and simplifying the structure.

[0036] After the clamping mechanism 6 of the present invention moves to be separated from the annular target material 8, the annular target material 8 is automatically unlocked, so the clamping or disassembly of the annular target material 8 is convenient.

[0037] An annular guide rail 91 is arranged on the periphery of the mounting frame 1, and a grinding tool 9 is mounted on the annular guide rail 91, and the grinding tool 9 contacts the outer circle of the annular target 8. After the annular target 8 is clamped, the grinding tool 9 is started, and the grinding tool 9 grinds the outer circle of the annular target 8. By pushing the grinding tool 9 to move along the annular guide rail 91, all areas on the outer circle of the annular target 8 can be grinded.

[0038] Specifically, Figure 3 As shown, the screw nut mechanism 5 includes a polygonal tube 51, which is fixed on the mounting frame 1. A nut 52 is sleeved inside the polygonal tube 51. The nut 52 is threadedly connected with a screw 53. One end of the screw 53 is fixed to the driven bevel gear 4. A telescopic tube 54 is fixed on the nut 52. The clamping mechanism 6 is connected to the end of the telescopic tube 54 away from the driven bevel gear 4. The polygonal tube 51 is fixed on the mounting frame 1, so that the nut 52 sleeved inside the polygonal tube 51 will not rotate. When the driven bevel gear 4 drives the screw 53 to rotate, the screw 53 drives the nut 52 to move linearly. The telescopic tube 54 on the nut 52 pushes the clamping mechanism to move, so that a plurality of clamping mechanisms 6 can be moved to a position where they can clamp the inner side of the annular target 8.

[0039] Among them, the end of the lead screw 53 away from the driven bevel gear 4 is provided with a limiting head 55 for blocking the nut 52. The limiting head 55 can limit the nut 52 to prevent the nut 52 from coming off the lead screw 53.

[0040] The section of the lead screw 53 connected to the driven bevel gear 4 is a polished rod section 56, and the polished rod section 56 is connected to the mounting frame 1 through a bearing. The polished rod section 56 of the lead screw 53 is supported by the bearing to improve the stability of the lead screw 53 during rotation.

[0041] Specifically, Figure 3As shown, the clamping mechanism 6 includes a fixed rod 61, a supporting cross bar 62 for supporting the lower edge of the annular target 8 is fixed to the lower side of the fixed rod 61, a telescopic rod 63 is sleeved on the upper side of the fixed rod 61, a clamping cross bar 64 is fixed to the upper end of the telescopic rod 63, a compression spring 65 is connected between the clamping cross bar 64 and the fixed rod 61, and the compression spring 65 is sleeved on the telescopic rod 63. Before the clamping mechanism 6 moves into place, the clamping cross bar 64 is pulled up, and then the clamping mechanism 6 is continuously moved so that the clamping cross bar 64 and the supporting cross bar 62 can extend to the upper and lower edges of the inner side of the annular target 8 respectively. Then the clamping cross bar 64 is released, and under the restoring force of the compression spring 65, the clamping cross bar 64 presses the upper side of the annular target 8, thereby realizing reliable clamping of the annular target 8.

[0042] In order to lock the position of the clamping mechanism 6 after the clamping mechanism 6 clamps the annular target 8, a locking mechanism 7 for locking the rotating shaft 2 is installed on the mounting frame 1. After the annular target 8 is clamped, the rotation is locked by the locking mechanism 7 to prevent the annular target 8 from moving during the grinding process.

[0043] Specifically, Figure 4 As shown, the locking mechanism 7 includes a sleeve 71, which is fixed on the mounting frame 1, a pawl assembly is arranged in the sleeve 71, a ratchet 72 is fixed on the rotating shaft 2, and a ratchet 74 assembly is engaged with the ratchet 72. After the ratchet 74 assembly engages the ratchet 72, the rotating shaft 2 will no longer be able to rotate, ensuring the stable position of the clamping mechanism.

[0044] The ratchet 74 assembly includes a sleeve rod 73, one end of which is fixed with a ratchet 74, which is engaged with the ratchet wheel 72, a sleeve plate 75 is fixed in the sleeve 71, the sleeve rod 73 is sleeved in the sleeve plate 75, a connecting ring 76 is fixed on the sleeve rod 73, a tension spring 77 is connected between the connecting ring 76 and the sleeve plate 75, and the tension spring 77 is sleeved on the sleeve rod 73. In the process of moving the clamping mechanism 6, the sleeve rod 73 is moved away from the ratchet wheel 72, the ratchet 74 is separated from the ratchet wheel 72, and the shaft 2 can rotate freely, which is convenient for driving the clamping mechanism 6 to move. After the clamping mechanism 6 clamps the annular target 8, the sleeve rod 73 is released, and under the action of the restoring force of the tension spring 77, the sleeve rod 73 moves in the sleeve plate 75 in the direction close to the ratchet wheel 72, and the ratchet 74 is engaged with the ratchet wheel 72 to achieve locking of the shaft 2.

[0045] A pulling handle 78 is fixed to one end of the sleeve rod 73 away from the ratchet 74, and one end of the pulling handle 78 extends out from the sleeve 71. When the sleeve is pulled out, the pulling handle 78 is operated.

[0046] In order to facilitate the rotation of the rotating shaft 2, a rotating hand wheel 21 is fixed on the rotating shaft 2. When the central bevel gear 3 is driven, the rotating hand wheel 21 is operated to make the central bevel gear 3 drive the plurality of driven bevel gears 4 to rotate.

[0047] The present utility model is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A clamping tool for grinding the outer circle of annular target, characterized in that: The invention comprises a mounting frame (1), a rotating shaft (2) being rotatably connected to the mounting frame (1), a central bevel gear (3) being fixed to the other end of the rotating shaft (2), the central bevel gear (3) being meshed with a plurality of driven bevel gears (4), the driven bevel gears (4) being connected to a lead screw nut mechanism (5), the lead screw nut mechanism (5) being mounted on the mounting frame (1), and the output end of the lead screw nut mechanism (5) being connected to a clamping mechanism (6) for clamping the inner side of an annular target material (8).

2. The clamping tool for grinding the outer circle of annular target according to claim 1, characterized in that: The lead screw and nut mechanism (5) comprises a polygonal tube (51), the polygonal tube (51) being fixed on the mounting frame (1), a nut (52) being sleeved inside the polygonal tube (51), a lead screw (53) being threadedly connected to the nut (52), one end of the lead screw (53) being fixed to the driven bevel gear (4), a telescopic tube (54) being fixed to the nut (52), and a clamping mechanism (6) being connected to one end of the telescopic tube (54) away from the driven bevel gear (4).

3. The clamping tool for grinding the outer circle of annular target according to claim 2, characterized in that: A limiting head (55) for blocking the nut (52) is provided at one end of the lead screw (53) away from the driven bevel gear (4).

4. The clamping tool for grinding the outer circle of annular target according to claim 2, characterized in that: A section of the lead screw (53) connected to the driven bevel gear (4) is a bare rod section (56), and the bare rod section (56) is connected to the mounting frame (1) via a bearing.

5. The clamping tool for grinding the outer circle of annular target according to claim 1, characterized in that: The clamping mechanism (6) comprises a fixed rod (61), a supporting cross rod (62) for supporting the lower edge of the annular target material (8) being fixed to the lower side of the fixed rod (61), a telescopic rod (63) being sleeved on the upper side of the fixed rod (61), a clamping cross rod (64) being fixed to the upper end of the telescopic rod (63), a compression spring (65) being connected between the clamping cross rod (64) and the fixed rod (61), and the compression spring (65) being sleeved on the telescopic rod (63).

6. The clamping tool for grinding the outer circle of annular target according to claim 1, characterized in that: A locking mechanism (7) for locking the rotating shaft (2) is installed on the mounting frame (1).

7. The clamping tool for grinding the outer circle of annular target according to claim 6, characterized in that: The locking mechanism (7) comprises a sleeve (71) which is fixed on the mounting frame (1). A ratchet assembly is arranged in the sleeve (71). A ratchet wheel (72) is fixed on the rotating shaft (2). A ratchet tooth (74) assembly is engaged with the ratchet wheel (72).

8. The clamping tool for grinding the outer circle of annular target according to claim 7, characterized in that: The ratchet (74) assembly comprises a sleeve rod (73), one end of which is fixed with a ratchet (74), the ratchet (74) being engaged with a ratchet wheel (72), a sleeve plate (75) being fixed in the sleeve tube (71), the sleeve rod (73) being sleeved in the sleeve plate (75), a connecting ring (76) being fixed on the sleeve rod (73), a tension spring (77) being connected between the connecting ring (76) and the sleeve plate (75), and the tension spring (77) being sleeved on the sleeve rod (73).

9. The clamping tool for grinding the outer circle of annular target according to claim 8, characterized in that: A pulling handle (78) is fixed to one end of the sleeve rod (73) away from the ratchet (74), and one end of the pulling handle (78) extends out from the sleeve (71).

10. A clamping tool for grinding the outer circle of an annular target according to any one of claims 1 to 9, characterized in that: A rotating hand wheel (21) is fixed on the rotating shaft (2).

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