Tungsten rod transposition type clamping mechanism for thread milling cutter machining

Abstract

The utility model discloses a transposition type clamping mechanism of a tungsten rod for thread milling cutter machining, which comprises a base and a turntable, the turntable is connected with a fixed seat, the fixed seat is connected with a rotating shaft, the rotating shaft is connected with a connecting rod, the connecting rod is connected with a first push-pull rod and a second push-pull rod, and both the first push-pull rod and the second push-pull rod are connected with a movable seat. The movable seat is connected with a connecting frame, the connecting frame is connected with a fixing frame, and the fixing seat is connected with an electric push rod. By arranging the electric telescopic rod and the fixing frames, a tungsten rod needing to be machined is placed between the two fixing frames, the electric telescopic rod pulls the second push-pull rod, the second push-pull rod pulls the moving frame to move through the moving base, the fixing frames are further driven to move, and therefore the fixing frames on the two sides are made to be close to the center of the fixing base. The tungsten rod is clamped and fixed from the two sides, the tungsten rod cannot fall off, the fixing mode is simple and firm, and the tungsten rod cannot fall off.

Description

Technical Field

[0001] The utility model belongs to the technical field of tungsten rod processing, in particular to a transfer type clamping mechanism for a tungsten rod used for thread milling. Background Art

[0002] Chinese patent document CN221696053U discloses an indexing clamping mechanism for a tungsten rod used for thread milling, comprising a machining platform, an upper end surface of which is mounted a clamping indexing disk, a power input end of which is connected to an indexing drive assembly, a plurality of tungsten rod clamping assembly grooves distributed at equal angles being provided on the end surface of the clamping indexing disk, a tungsten rod clamping assembly being provided on the outer side of the tungsten rod clamping assembly groove, a machining protection mechanism being mounted on the upper end surface of the clamping indexing disk, and a power supply being fixedly mounted at the middle position inside the clamping indexing disk. The indexing drive assembly provided in the present invention drives the clamping indexing disk to rotate, so that the clamping indexing disk and the entire thread milling cutter processing system can cooperate with each other, realize the effect of circulating supply of tungsten rods, and improve the efficiency of processing tungsten rods into thread milling cutters; at the same time, through the provision of multiple groups of tungsten rod clamping assemblies, multiple tungsten rods can be conveniently clamped, thereby improving the processing efficiency of tungsten rods; however, this design has the following defects: the clamping mechanism of this design is a spring setting, and the tungsten rod is clamped and fixed by the spring. Since the tungsten rod processing needs to be frequently replaced, the connection method of the spring buckle may not be strong enough and is easy to loosen or fall off, especially in a vibrating or frequently used environment. In order to solve the above problems, a indexing clamping mechanism for tungsten rods for thread milling cutter processing is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a tungsten rod indexable clamping mechanism for thread milling cutter processing, so as to solve the problem that the existing tungsten rod indexable clamping mechanism for thread milling cutter processing is provided with a spring, and the tungsten rod is clamped and fixed by the spring. Since the tungsten rod processing needs to be frequently replaced, the connection method of the spring buckle may not be firm enough and is easy to loosen or fall off, especially in a vibrating or frequently used environment.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The utility model is a tungsten rod indexing clamping mechanism for thread milling cutter processing, comprising a base and a turntable, the upper surface of the turntable is fixedly connected to a plurality of fixed seats, the upper surface of the fixed seat is connected to a rotating shaft, the upper end of the rotating shaft is fixedly connected to a connecting rod, the bottom surface of the connecting rod is connected to a first push-pull rod and a second push-pull rod, one end of the first push-pull rod and the second push-pull rod are both connected to a movable seat, the peripheral side surface of the movable seat is fixedly connected to a connecting frame, one surface of the connecting frame is fixedly connected to the fixed frame, one side surface of the fixed seat is connected to an electric push rod, and the output end of the electric push rod is connected to the second push-pull rod.

[0006] Preferably, the bottom surface of the inner wall of the base is connected to a main gear and a sub-gear, the upper surface of the main gear is fixedly connected to a turning handle, the upper surface of the sub-gear is fixedly connected to a turning rod, the upper surface of the base is fixedly connected to a mounting plate, a surface of the mounting plate is provided with a slot, a screw sleeve is fixedly installed in the slot, a screw rod is installed in the screw sleeve, and one end of the screw rod is connected to a limiting plate.

[0007] Preferably, the upper surface of the fixing seat is fixedly connected to the limiting frame, and the second push-pull rod and the fixing seat are both hinged to the electric push rod.

[0008] Preferably, the rotating shaft is rotatably connected to the fixing seat, and the first push-pull rod and the second push-pull rod are both rotatably connected to the connecting rod.

[0009] Preferably, the upper surface of the fixed seat is fixedly connected to the limiting slide rail, the movable seat is installed on the peripheral side of the limiting slide rail, and the movable seat is slidably matched with the limiting slide rail.

[0010] Preferably, the main gear, sub-gear, turning handle and turning rod are all rotatably connected to the base, and the main gear is meshed with the sub-gear.

[0011] Preferably, the screw rod is threadably matched with the threaded sleeve, and the screw rod is rotationally connected to the limiting plate.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model sets an electric telescopic rod and a fixed frame. The tungsten rod to be processed is placed between the two fixed frames. The electric telescopic rod pulls the second push-pull rod to one side of the first push-pull rod. The second push-pull rod pulls the mobile frame to move through the mobile seat, further driving the fixed frame to move. When the first push-pull rod rotates, it drives the connecting rod to rotate, further driving the first push-pull rod to rotate. The first push-pull rod pulls the mobile seat to move at the same time, so that the fixed frames on both sides are close to the center of the fixed seat, clamping and fixing the tungsten rod from both sides. In addition, the material of the fixed frame is rubber, which has a certain deformation ability and can perfectly clamp the tungsten rod without causing it to fall off. The fixing method is simple and firm, and the tungsten rod will not fall off.

[0014] 2. The utility model sets a rotating rod, a screw rod and a limit plate, rotates the handle, and the handle drives the rotating rod to rotate through the engagement between the main gear and the sub-gear. The rotating rod further drives the turntable to rotate, and the turntable further drives the tungsten rod to rotate, so that the tungsten rod at the corresponding position corresponds to the position of the processing device. Then, the screw rod is rotated in the forward direction, and the screw rod pushes the limit plate to limit and fix the rotating handle, so as to avoid the tungsten rod being offset due to the rotation of the turntable during the processing of the tungsten rod.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a front structural diagram of the present invention;

[0019] Figure 3 This is a schematic cross-sectional view of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the fixing mechanism of the present utility model.

[0021] In the accompanying drawings, the list of components represented by each number is as follows: 1. Base; 2. Turntable; 3. Fixed seat; 4. Turning handle; 5. Mounting plate; 6. Screw; 7. Turning rod; 8. Screw sleeve; 9. Limiting plate; 10. Main gear; 11. Sub-gear; 12. Rotating shaft; 13. Connecting rod; 14. First push-pull rod; 15. Second push-pull rod; 16. Electric push rod; 17. Moving seat; 18. Connecting frame; 19. Fixed frame; 20. Limiting slide rail; 21. Limiting frame. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying 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.

[0023] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0024] See also Figures 1-4 As shown, the utility model is a tungsten rod indexing clamping mechanism for thread milling, comprising a base 1 and a turntable 2, the upper surface of the turntable 2 is fixedly connected to a plurality of fixed seats 3, the upper surface of the fixed seat 3 is connected to a rotating shaft 12, the upper end of the rotating shaft 12 is fixedly connected to a connecting rod 13, the bottom surface of the connecting rod 13 is connected to a first push-pull rod 14 and a second push-pull rod 15, one end of the first push-pull rod 14 and the second push-pull rod 15 are both connected to a movable seat 17, the peripheral side surface of the movable seat 17 is fixedly connected to a connecting frame 18, one surface of the connecting frame 18 is fixedly connected to a fixed frame 19, one side surface of the fixed seat 3 is connected to an electric push rod 16, the output end of the electric push rod 16 is connected to the second push-pull rod 15, by arranging the electric telescopic rod 16 and the fixed frame 19 , place the tungsten rod to be processed between the two fixed frames 19, and the electric telescopic rod 16 pulls the second push-pull rod 15 to one side of the first push-pull rod 14. The second push-pull rod 15 pulls the movable frame 18 to move through the movable seat 17, further driving the fixed frame 19 to move. When the first push-pull rod 15 rotates, it drives the connecting rod 13 to rotate, further driving the first push-pull rod 14 to rotate. The first push-pull rod 14 simultaneously pulls the movable seat 17 to move, so that the fixed frames 19 on both sides are close to the center of the fixed seat 3, clamping and fixing the tungsten rod from both sides. In addition, the material of the fixed frame 19 is rubber, which has a certain deformation ability and can perfectly clamp the tungsten rod without causing it to fall off. The fixing method is simple and firm, and will not cause the tungsten rod to fall off.

[0025] The bottom surface of the inner wall of the base 1 is connected to the main gear 10 and the sub-gear 11. The upper surface of the main gear 10 is fixedly connected to the turning handle 4, and the upper surface of the sub-gear 11 is fixedly connected to the turning rod 7. The upper surface of the base 1 is fixedly connected to the mounting plate 5. A slot is opened on one surface of the mounting plate 5, and a screw sleeve 8 is fixedly installed in the slot. A screw rod 6 is installed in the screw sleeve 8. One end of the screw rod 6 is connected to the limiting plate 9. By setting the turning rod 7, the screw rod 6 and the limiting plate 9, the turning handle 4 is rotated. The turning handle 4 drives the turning rod 7 to rotate through the engagement between the main gear 10 and the sub-gear 11. The turning rod 7 further drives the turntable 2 to rotate, and the turntable 2 further drives the tungsten rod to rotate, so that the tungsten rod in the corresponding position corresponds to the position of the processing device, and then the screw rod 6 is rotated forward, and the screw rod 6 pushes the limiting plate 9 to limit and fix the turning handle 4 to avoid the turntable 2 rotating during the processing of the tungsten rod, causing the tungsten rod to deviate.

[0026] The upper surface of the fixing seat 3 is fixedly connected to the limiting frame 21 , and the second push-pull rod 15 and the fixing seat 3 are both hinged to the electric push rod 16 .

[0027] The rotating shaft 12 is rotatably connected to the fixing base 3 , and the first push-pull rod 14 and the second push-pull rod 15 are both rotatably connected to the connecting rod 13 .

[0028] The upper surface of the fixed seat 3 is fixedly connected to the limiting slide rail 20 , and the movable seat 17 is installed on the peripheral side of the limiting slide rail 20 , and the movable seat 17 is slidably matched with the limiting slide rail 20 .

[0029] The main gear 10 , the sub-gear 11 , the turning handle 4 and the turning rod 7 are all rotatably connected to the base 1 , and the main gear 10 is meshed with the sub-gear 11 .

[0030] The screw rod 6 is threadably matched with the threaded sleeve 8 , and the screw rod 6 is rotationally connected with the limiting plate 9 .

[0031] Example:

[0032] like Figures 1-4 As shown, the method of using the indexing clamping mechanism of the tungsten rod for thread milling of the present invention is as follows: when using the present invention, first place the tungsten rod to be processed between the two fixed frames 19, the electric telescopic rod 16 pulls the second push-pull rod 15 to one side of the first push-pull rod 14, the second push-pull rod 15 pulls the movable frame 18 to move through the movable seat 17, and further drives the fixed frame 19 to move, when the first push-pull rod 15 rotates, it drives the connecting rod 13 to rotate, and further drives the first push-pull rod 14 to rotate, and the first push-pull rod 14 pulls the movable seat 17 to move at the same time, so that the fixed frames 19 on both sides are close to the center of the fixed seat 3, and the fixed frames 19 on both sides are close to the center of the fixed seat 3. The tungsten rod is clamped and fixed, and the material of the fixing frame 19 is rubber, which has a certain deformation ability and can perfectly clamp the tungsten rod and prevent it from falling off. The fixing method is simple and firm and will not cause the tungsten rod to fall off. Turn the handle 4, and the handle 4 drives the rotating rod 7 to rotate through the engagement between the main gear 10 and the sub-gear 11. The rotating rod 7 further drives the turntable 2 to rotate, and the turntable 2 further drives the tungsten rod to rotate, so that the tungsten rod at the corresponding position corresponds to the position of the processing device, and then rotate the screw rod 6 in the forward direction, and the screw rod 6 pushes the limit plate 9 to limit and fix the handle 4 to avoid the tungsten rod being offset due to the rotation of the turntable 2 during the processing of the tungsten rod.

[0033] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rotary clamping mechanism for a tungsten rod for thread milling, comprising a base (1) and a turntable (2), characterized in that: The upper surface of the turntable (2) is fixedly connected to a plurality of fixed seats (3), the upper surface of the fixed seat (3) is connected to a rotating shaft (12), the upper end of the rotating shaft (12) is fixedly connected to a connecting rod (13), the bottom surface of the connecting rod (13) is connected to a first push-pull rod (14) and a second push-pull rod (15), one end of each of the first push-pull rod (14) and the second push-pull rod (15) is connected to a movable seat (17), the peripheral side surface of the movable seat (17) is fixedly connected to a connecting frame (18), one surface of the connecting frame (18) is fixedly connected to a fixed frame (19), one side surface of the fixed seat (3) is connected to an electric push rod (16), and the output end of the electric push rod (16) is connected to the second push-pull rod (15).

2. The indexable clamping mechanism for a tungsten rod for thread milling according to claim 1, characterized in that: The bottom surface of the inner wall of the base (1) is connected to a main gear (10) and a sub-gear (11), the upper surface of the main gear (10) is fixedly connected to a turning handle (4), the upper surface of the sub-gear (11) is fixedly connected to a turning rod (7), the upper surface of the base (1) is fixedly connected to a mounting plate (5), a surface of the mounting plate (5) is provided with a notch, a screw sleeve (8) is fixedly installed in the notch, a screw rod (6) is installed in the screw sleeve (8), and one end of the screw rod (6) is connected to a limiting plate (9).

3. The indexable clamping mechanism for a tungsten rod for thread milling according to claim 1, characterized in that: The upper surface of the fixed seat (3) is fixedly connected to the limiting frame (21), and the second push-pull rod (15) and the fixed seat (3) are both hinged to the electric push rod (16).

4. The indexable clamping mechanism for a tungsten rod for thread milling according to claim 1, characterized in that: The rotating shaft (12) is rotatably connected to the fixing seat (3), and the first push-pull rod (14) and the second push-pull rod (15) are both rotatably connected to the connecting rod (13).

5. The indexable clamping mechanism for a tungsten rod for thread milling according to claim 1, characterized in that: The upper surface of the fixed seat (3) is fixedly connected to the limiting slide rail (20), the movable seat (17) is installed on the peripheral side of the limiting slide rail (20), and the movable seat (17) and the limiting slide rail (20) are slidably matched.

6. The indexable clamping mechanism for a tungsten rod for thread milling according to claim 2, characterized in that: The main gear (10), the sub-gear (11), the turning handle (4) and the turning rod (7) are all rotatably connected to the base (1), and the main gear (10) is meshed with the sub-gear (11).

7. The indexable clamping mechanism for a tungsten rod for thread milling according to claim 2, characterized in that: The screw rod (6) is threadably matched with the threaded sleeve (8), and the screw rod (6) is rotationally connected to the limiting plate (9).

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