Special tool for taking broken screw tap

By designing special tools for cutting taps with multiple mechanisms, the problem of tap falling off when existing tools are rotated is solved, achieving higher clamping force and convenience of use.

CN222308744UActive Publication Date: 2025-01-07THE THIRD COAL MINE MACHINERY LTD OF ZHANGJIAGANG
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Patent Information

Application Number
CN202420905997.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-01-07
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing tool for cutting taps can easily cause the tap to fall off when rotated, which is low in practicality and is inconvenient for use.

Method used

A special tool for cutting taps including mold seat, functional compartment, clamping box and multiple mechanisms is designed. Through a bidirectional screw, clamping rod, anti-slip pad, lifting mechanism, sliding mechanism, rotating mechanism and rotating mechanism, it realizes Effective clamping and removal of taps.

Benefits of technology

It improves the clamping force of the tap, avoids loosening during rotation, enhances the practicality of the tool, and is easy to use and promote.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222308744U_ABST
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Abstract

The utility model belongs to the technical field of broken screw tap taking equipment, and particularly relates to a special tool for taking broken screw taps, which comprises a die seat, a screw hole is arranged at the top of the die seat, a screw tap is screwed in the screw hole, a functional bin is arranged above the die seat, a clamping box is arranged in the functional bin, and a bidirectional mechanism is arranged in the clamping box. A seat hole is formed in the bottom of the clamping box, a lifting mechanism and a sliding mechanism are arranged between the clamping box and the functional bin, a rotating mechanism is arranged on the clamping box, a sliding hole and a screw hole are formed in the top of the functional bin, and the sliding hole is located on the left side of the screw hole. The screw tap clamping device is reasonable in design, the purpose that the clamping rod moves to the concave positions of the two sides of a screw tap can be achieved through the lifting mechanism, the screw tap can be fastened and clamped through the two anti-skid pads through the clamping mechanism, loosening can be avoided when the screw tap is taken out in a rotating mode, practicability can be improved, and the screw tap clamping device is suitable for popularization and application. The use and the popularization are convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of equipment for removing broken taps, in particular to a special tool for removing broken taps. Background Art

[0002] Some parts that need to transmit large torque and have high wear resistance requirements are difficult to machine. When performing tapping operations, taps with good mechanical properties and high hardness are often used, but tap breakage may also occur frequently.

[0003] At present, a device and method for removing broken taps is disclosed in a Chinese patent announcement with announcement number CN109604752A, which includes a handle and a working head. The working head includes a positioning block arranged in the middle of the handle, a positioning slot is provided in the middle of the positioning block, a positioning plate is provided in the positioning slot and can be plugged in with the gap, a number of positioning clamping rods corresponding to the tap spacing extend outward from the center of one side of the positioning plate, a screw hole is provided on one side of the positioning block, a hexagonal set screw is provided in the screw hole and can be screwed with the screw, and the screw end of the hexagonal set screw passes through the positioning block and is screwed and fixed to the positioning plate. The operation method is very simple, and it can be taken and used at any time, saving working time; the impact on the workpiece hole itself can also be minimized; the processing and manufacturing cost is low, it is easy to carry, and it is conducive to promotion.

[0004] In actual use, it is found that the existing broken tap removal tool clamps the broken part of the tap by inserting a positioning clamping rod into the recess between the tap edges, but the broken part of the tap cannot be effectively clamped by this method alone, resulting in the broken part of the tap easily falling off during rotation. There are problems of low practicality and inconvenience in use. Therefore, we propose a special tool for removing broken taps to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art: low practicability and inconvenience in use, and proposes a special tool for removing broken taps.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A special tool for removing broken taps comprises a die seat, a thread hole is formed on the top of the die seat, a tap is screwed in the thread hole, a function bin is arranged above the die seat, a clamping box is arranged in the function bin, and a two-way mechanism is arranged in the clamping box; a seat hole is formed at the bottom of the clamping box, a lifting mechanism and a sliding mechanism are arranged between the clamping box and the function bin, a rotating mechanism is arranged on the clamping box, a sliding hole and a screw hole are formed on the top of the function bin, the sliding hole is located on the left side of the screw hole, a rotating mechanism is arranged on the function bin, and a rotating hole is formed on the top of the clamping box.

[0008] Preferably, the bidirectional mechanism includes a bidirectional screw and two screw seats. The same bidirectional screw is rotatably installed on the inner walls of both sides of the clamping box. Two screw seats are provided on the threaded sleeve of the bidirectional screw. The screw seats are adapted to the corresponding seat holes. A clamping mechanism is provided at the bottom of the screw seat. The same limit rod is fixedly installed on the inner walls of both sides of the clamping box. The limit rod is located below the bidirectional screw, and the screw seat sliding sleeve is provided on the limit rod.

[0009] Preferably, the clamping mechanism comprises two clamping rods and an anti-skid pad, the clamping rod is fixedly mounted on the bottom of the screw seat, and the adjacent sides of the two clamping rods are each provided with an anti-skid pad, and the anti-skid pad is adapted to the tap.

[0010] Preferably, the lifting mechanism includes a screw, a top block, a spring and a first knob, a screw is threadedly installed on the top of the functional bin, the screw is threadedly connected to the screw hole, the bottom end of the screw extends into the functional bin, a top block is provided on the top of the screw, the top block is adapted to the top of the clamping box, two springs are fixedly installed on the top of the clamping box, the top of the spring is fixedly connected to the inner wall of the top of the functional bin, and the screw hole is located between the two springs.

[0011] Preferably, the sliding mechanism includes a slider and a slide groove, the inner walls on both sides of the clamping box are provided with sliders, the inner walls on both sides of the functional warehouse are provided with slide grooves, and the sliders are slidably connected with the corresponding slide grooves.

[0012] Preferably, the rotating mechanism includes a rotating rod and a second rotating knob. The rotating rod is rotatably installed in the rotating hole. The top end of the rotating rod extends to the outside of the functional warehouse, and the bottom end of the rotating rod extends into the clamping box. The rotating rod is slidably connected to the sliding hole. A second rotating knob is arranged on the top end of the rotating rod, and a gearing mechanism is arranged between the rotating rod and the bidirectional screw rod.

[0013] Preferably, the gear mechanism includes two conical wheels, and conical wheels are fixedly sleeved on the bottom end of the rotating rod and the bidirectional screw rod. The two conical wheels are both located in the clamping box, and the conical wheels are located on the left side of the screw rod seat, and the two conical wheels are meshed with each other.

[0014] Preferably, the rotating mechanism comprises a grip rod and a ball bearing, grip rods are arranged on both sides of the functional compartment, a ball bearing is arranged at the bottom of the functional compartment, and an observation window is arranged at the front side of the functional compartment.

[0015] Beneficial effects of the utility model:

[0016] 1. Through the cooperation of the first knob, the screw and the top block, the first knob can be turned clockwise to drive the clamping rod to move downward through the screw seat, so that the clamping rod can be moved to the concave positions on both sides of the tap;

[0017] 2. Through the cooperation of the second knob, two conical wheels, two bidirectional screws, two screw seats, two clamping rods and two anti-skid pads, the two anti-skid pads can be driven to move toward each other by rotating the second knob clockwise, so that the tap can be clamped tightly by the two anti-skid pads, and looseness can be avoided when the tap is rotated and taken out, thereby improving practicality and facilitating use and promotion;

[0018] 3. Through the cooperation of the grip and the ball, the two grips can be held and rotated in the opposite direction of the tap, which can drive the tap to move spirally upward, and the purpose of taking out the tap can be achieved. Through the action of the ball, the functional bin can be rotated conveniently, and the purpose of rotating the tap can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a special tool for removing broken taps proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of a special tool for removing broken taps proposed by the utility model;

[0021] Figure 3 The utility model is a schematic structural diagram of part A of a special tool for removing broken taps.

[0022] In the figure: 1. mold base; 2. functional compartment; 3. clamping box; 4. thread hole; 5. tap; 6. spring; 7. screw; 8. top block; 9. first knob; 10. bidirectional screw; 11. screw base; 12. clamping rod; 13. anti-slip pad; 14. seat hole; 15. rotating rod; 16. second rotating knob; 17. conical wheel; 18. slider; 19. slide groove; 20. grip rod; 21. ball; 22. limit rod; 23. observation window. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] Reference Figure 1-3 A special tool for removing broken taps comprises a die base 1, a thread hole 4 is opened on the top of the die base 1, a tap 5 is screwed in the thread hole 4, a functional bin 2 is arranged above the die base 1, a clamping box 3 is arranged in the functional bin 2, and a two-way mechanism is arranged in the clamping box 3; a seat hole 14 is opened at the bottom of the clamping box 3, a lifting mechanism and a sliding mechanism are arranged between the clamping box 3 and the functional bin 2, a rotating mechanism is arranged on the clamping box 3, a sliding hole and a screw hole are opened on the top of the functional bin 2, the sliding hole is located on the left side of the screw hole, a rotating mechanism is arranged on the functional bin 2, and a rotating hole is opened on the top of the clamping box 3.

[0026] In this embodiment, the bidirectional mechanism includes a bidirectional screw 10 and two screw seats 11. The same bidirectional screw 10 is rotatably installed on the inner walls of both sides of the clamping box 3. Two screw seats 11 are threadedly sleeved on the bidirectional screw 10. The screw seats 11 are adapted to the corresponding seat holes 14. A clamping mechanism is provided at the bottom of the screw seat 11. The same limit rod 22 is fixedly installed on the inner walls of both sides of the clamping box 3. The limit rod 22 is located below the bidirectional screw 10. The screw seat 11 is slidably sleeved on the limit rod 22. By providing a bidirectional mechanism, the bidirectional screw 10 can drive the two screw seats 11 to move toward the side close to each other, which can achieve the purpose of driving the two clamping rods 12 to move toward the side close to each other.

[0027] In this embodiment, the clamping mechanism includes two clamping rods 12 and an anti-skid pad 13. The clamping rod 12 is fixedly installed at the bottom of the screw seat 11. The adjacent sides of the two clamping rods 12 are provided with anti-skid pads 13. The anti-skid pads 13 are adapted to the tap 5. By providing the clamping mechanism, the two clamping rods 12 can drive the two anti-skid pads 13 to move toward a side close to each other, so that the purpose of fastening and clamping the tap 5 by the two anti-skid pads 13 can be achieved.

[0028] In this embodiment, the lifting mechanism includes a screw rod 7, a top block 8, a spring 6 and a first knob 9. The screw rod 7 is threadedly installed on the top of the functional bin 2, and the screw rod 7 is threadedly connected to the screw hole. The bottom end of the screw rod 7 extends into the functional bin 2. A top block 8 is arranged on the top of the screw rod 7, and the top block 8 is adapted to the top of the clamping box 3. Two springs 6 are fixedly installed on the top of the clamping box 3. The top of the spring 6 is fixedly connected to the inner wall of the top of the functional bin 2, and the screw hole is located between the two springs 6. By providing a lifting mechanism, rotating the first knob 9 clockwise can drive the top block 8 to move downward, so as to drive the clamping box 3 to move downward. By rotating the first knob 9 counterclockwise, the top block 8 can be moved upward, so as to achieve the purpose of driving the clamping box 3 to move upward through the rebound force of the spring 6.

[0029] In this embodiment, the sliding mechanism includes a slider 18 and a slide groove 19. Sliders 18 are provided on the inner walls on both sides of the clamping box 3, and slide grooves 19 are provided on the inner walls on both sides of the functional warehouse 2. The slider 18 is slidably connected with the corresponding slide groove 19. By providing a sliding mechanism, the clamping box 3 can move up and down more smoothly.

[0030] In this embodiment, the rotating mechanism includes a rotating rod 15 and a second rotating knob 16. The rotating rod 15 is rotatably installed in the rotating hole. The top end of the rotating rod 15 extends to the outside of the functional bin 2, and the bottom end of the rotating rod 15 extends into the clamping box 3. The rotating rod 15 is slidably connected to the sliding hole. A second rotating knob 16 is arranged on the top of the rotating rod 15. A gearing mechanism is arranged between the rotating rod 15 and the bidirectional screw rod 10. By providing a rotating mechanism, rotating the second rotating knob 16 can drive the rotating rod 15 to rotate, thereby achieving the purpose of driving the two conical wheels 17 to rotate.

[0031] In this embodiment, the gear mechanism includes two conical wheels 17. The conical wheels 17 are fixedly mounted on the bottom end of the rotating rod 15 and the bidirectional screw rod 10. The two conical wheels 17 are both located in the clamping box 3. The conical wheels 17 are located on the left side of the screw rod seat 11. The two conical wheels 17 are meshed with each other. By providing a gear mechanism, the rotating rod 15 can drive the bidirectional screw rod 10 to rotate.

[0032] In this embodiment, the rotating mechanism includes a grip 20 and a ball 21. The grips 20 are provided on both sides of the function bin 2, the ball 21 is provided at the bottom of the function bin 2, and an observation window 23 is provided on the front side of the function bin 2. By providing the rotating mechanism, the two grips 20 can be held and rotated in the opposite direction of the tap 5, so that the tap 5 can be driven to move upward in a spiral, and the purpose of taking out the tap 5 can be achieved. Through the action of the ball 21, the function bin 2 can be rotated conveniently, and the purpose of rotating the tap 5 can be achieved.

[0033] In the utility model, when in use, first move the functional bin 2 to the top of the thread hole 4 on the top of the mold base 1, observe and adjust the positions between the two clamping rods 12 and the tap 5 through the observation window 23, and rotate the first knob 9 clockwise to drive the screw rod 7 to rotate clockwise, which can drive the top block 8 to move downward in a spiral manner, and can push the clamping box 3 to move downward, and can drive the clamping rod 12 to move downward through the screw rod seat 11, so as to achieve the purpose of moving the clamping rod 12 to the recessed positions on both sides of the tap 5, and can drive the rotating rod 15 to rotate clockwise by rotating the second knob 16 clockwise, which can drive the two conical wheels 17 to rotate clockwise, which can drive the bidirectional screw rod 10 to rotate clockwise, and can drive the two threaded rods 17 to rotate clockwise. The rod seat 11 moves toward the side close to each other, which can drive the two clamping rods 12 to move toward the side close to each other, and can drive the two anti-skid pads 13 to move toward the side close to each other, so that the tap 5 can be tightly clamped by the two anti-skid pads 13, and loosening can be avoided when the tap 5 is rotated and taken out, thereby improving practicality and facilitating the use and promotion. By holding the two gripping rods 20 and rotating them in the opposite direction of the tap 5, the tap 5 can be driven to move spirally upward, and the purpose of taking out the tap 5 can be achieved. Through the action of the ball 21, the functional bin 2 can be rotated, and the purpose of rotating the tap 5 can be achieved.

[0034] The above is a detailed introduction to a special tool for removing broken taps provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A special tool for removing broken taps, characterized in that: The mold base (1) comprises a mold seat (1), a thread hole (4) is provided on the top of the mold base (1), a tap (5) is screwed into the thread hole (4), a functional compartment (2) is provided above the mold base (1), a clamping box (3) is provided in the functional compartment (2), and a bidirectional mechanism is provided in the clamping box (3); The bottom of the clamping box (3) is provided with a seat hole (14), a lifting mechanism and a sliding mechanism are provided between the clamping box (3) and the functional compartment (2), a rotating mechanism is provided on the clamping box (3), a sliding hole and a screw hole are provided on the top of the functional compartment (2), the sliding hole is located on the left side of the screw hole, a rotating mechanism is provided on the functional compartment (2), and a rotating hole is provided on the top of the clamping box (3).

2. A special tool for removing broken taps according to claim 1, characterized in that: The bidirectional mechanism comprises a bidirectional screw (10) and two screw seats (11); the inner walls on both sides of the clamping box (3) are rotatably mounted with the same bidirectional screw (10); two screw seats (11) are threadedly sleeved on the bidirectional screw (10); the screw seats (11) are matched with corresponding seat holes (14); a clamping mechanism is arranged at the bottom of the screw seat (11); the inner walls on both sides of the clamping box (3) are fixedly mounted with the same limit rod (22); the limit rod (22) is located below the bidirectional screw (10); and the screw seat (11) is slidably sleeved on the limit rod (22).

3. A special tool for removing broken taps according to claim 2, characterized in that: The clamping mechanism comprises two clamping rods (12) and an anti-skid pad (13); the clamping rod (12) is fixedly mounted on the bottom of the screw seat (11); adjacent sides of the two clamping rods (12) are each provided with an anti-skid pad (13); and the anti-skid pad (13) is adapted to the tap (5).

4. A special tool for removing broken taps according to claim 1, characterized in that: The lifting mechanism comprises a screw rod (7), a top block (8), a spring (6) and a first knob (9); the top of the functional bin (2) is threadedly mounted with a screw rod (7); the screw rod (7) is threadedly connected to a screw hole; the bottom end of the screw rod (7) extends into the functional bin (2); the top of the screw rod (7) is provided with a top block (8); the top block (8) is adapted to the top of the clamping box (3); two springs (6) are fixedly mounted on the top of the clamping box (3); the top of the spring (6) is fixedly connected to the inner wall of the top of the functional bin (2); and the screw hole is located between the two springs (6).

5. A special tool for removing broken taps according to claim 1, characterized in that: The sliding mechanism comprises a slider (18) and a slide groove (19); the inner walls on both sides of the clamping box (3) are provided with a slider (18); the inner walls on both sides of the functional compartment (2) are provided with a slide groove (19); the slider (18) is slidably connected to the corresponding slide groove (19).

6. A special tool for removing broken taps according to claim 1, characterized in that: The rotating mechanism comprises a rotating rod (15) and a second rotating knob (16); the rotating rod (15) is rotatably mounted in the rotating hole; the top end of the rotating rod (15) extends to the outside of the functional bin (2); the bottom end of the rotating rod (15) extends into the clamping box (3); the rotating rod (15) is slidably connected to the sliding hole; the top end of the rotating rod (15) is provided with a second rotating knob (16); and a gear mechanism is provided between the rotating rod (15) and the bidirectional screw rod (10).

7. A special tool for removing broken taps according to claim 6, characterized in that: The gear mechanism comprises two conical wheels (17), the bottom end of the rotating rod (15) and the bidirectional screw rod (10) are both fixedly sleeved with conical wheels (17), the two conical wheels (17) are both located in the clamping box (3), the conical wheels (17) are located on the left side of the screw rod seat (11), and the two conical wheels (17) are meshed with each other.

8. The special tool for removing broken taps according to claim 1, characterized in that: The rotating mechanism comprises a gripping rod (20) and a ball bearing (21), the gripping rods (20) are arranged on both sides of the functional compartment (2), the ball bearing (21) is arranged at the bottom of the functional compartment (2), and the front side of the functional compartment (2) is provided with an observation window (23).

Citation Information

Patent Citations

  • Device and method for taking broken screw tap

    CN109604752A