Profiling clamp of tapping machine

By designing a profile fixture and using a servo motor and cylinder drive, precise alignment and anti-rotation of the nut are achieved during tapping, solving the problems of high fixture cost and poor accuracy in existing technologies, and improving machining accuracy and tap lifespan.

CN223684569UActive Publication Date: 2025-12-19FOSHAN TAICHUANG MASCH MFG CO LTD
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Patent Information

Application Number
CN202520086796.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-19
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

In the existing technology, after the pneumatic mechanical clamp holds the nut workpiece, it feeds in a tap for tapping. This is costly and has poor alignment accuracy, resulting in irregular threads, unstable accuracy, and wear and tear on the tap.

Method used

The design employs a profile fixture, with a servo motor driving a bidirectional screw to adjust the fixture spacing. A cylinder pushes the moving seat and push rod, and a profile hexagonal groove is used to limit the nut, ensuring that the nut does not rotate during tapping. Combined with the design of the nut channel, precise alignment and tap protection are achieved.

Benefits of technology

It improves machining accuracy, reduces tap wear, increases service life, and adapts to the machining needs of nuts of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of fixtures for tapping machines, particularly relates to a profiling fixture for a tapping machine, and aims to solve the problems that a nut rotates on a screw tap, tapped threads are irregular and the tapping quality is poor due to the fact that a nut workpiece is clamped by a complex pneumatic mechanical fixture and then is fed into the screw tap for tapping in the prior art. In order to solve the problems that in the prior art, the precision cannot be stable and a screw tap is greatly lost, the utility model provides the following scheme that the screw tap drilling machine comprises a machine body, a propelling moving seat is slidably mounted at the top of the machine body, and a nut push rod structure is connected to the propelling moving seat; and the fixing seat is installed at the top of the machine body, and two profiling clamp structures are symmetrically installed at the top of the fixing seat in a sliding mode. The nut channel with the same shape as the nut is arranged in front of the nut falling position on the basis of the hexagonal surface of the nut, so that the nut is prevented from rotating on the screw tap, the machining precision is ensured, the yield is high, the screw tap is not easy to wear, and the service life is greatly prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tapping machine clamp technical field especially relates to a tapping machine's profiling fixture. BACKGROUND

[0002] Full automatic nut tapping machine equipment, its main is how realizes the nut workpiece is held in palm, thereby make it can be aimed at tapping position and not produce tapping deviation problem.

[0003] The prior art adopts the complex pneumatic mechanical clamp to clamp the nut workpiece and then sends it into the tap for tapping, and this clamp method not only has high cost and poor alignment accuracy, but also makes the nut rotate on the tap, the tapped thread is irregular, the precision cannot be stabilized, and the tap is greatly worn. UTILITY MODEL CONTENT

[0004] The utility model discloses a tapping machine's profiling fixture, which solves the problems of high cost, poor alignment accuracy, irregular tapped thread, unstable precision and great wear of the tap in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A tapping machine's profiling fixture, comprising:

[0007] A machine body, a propelling moving seat is slidably installed on the top of the machine body, and a nut push rod structure is connected to the propelling moving seat;

[0008] A fixed seat is installed on the top of the machine body, two profiling fixture structures are symmetrically slidably installed on the top of the fixed seat, and the two profiling fixture structures are matched with the nut push rod structure;

[0009] A spacing adjusting mechanism is installed on the top of the fixed seat and matched with the two profiling fixture structures.

[0010] Preferably, two slide rails are symmetrically fixedly installed on the top of the machine body, a sliding block is slidably installed on each of the two slide rails, the two sliding blocks are fixedly installed on the bottom of the propelling moving seat, a pneumatic cylinder is installed on the machine body, an output shaft of the pneumatic cylinder is connected with the propelling moving seat, and the pneumatic cylinder is used to control the movement of the propelling moving seat.

[0011] Preferably, the nut push rod structure comprises a fixed block, the fixed block is installed on the top of the propelling moving seat, a T-shaped notch is formed in the top of the fixed block, a push rod is installed in the T-shaped notch, and the horizontal position of the push rod is between the two profiling fixture structures; the push rod is connected with the fixed block through the T-shaped notch and can be detached.

[0012] Preferably, the nut push rod structure further comprises a support block fixedly installed on the top of the machine body, a sliding hole is formed in the support block, and the push rod is in sliding connection with the inner wall of the sliding hole.

[0013] Preferably, the two profiled clamp structures comprise clamp blocks, notches are formed in the bottoms of the two clamp blocks, a notch strip is fixedly installed on the top of the fixing seat, the notches are in sliding connection with the corresponding notch strips, profiled hexagonal grooves are formed in the inner sides of the two clamp blocks, and the two profiled hexagonal grooves are used for limiting and abutting the outer side of the nut to prevent the nut from rotating during tapping.

[0014] Preferably, the spacing adjusting mechanism comprises a rectangular plate, four vertical rods are fixedly installed on the bottom of the rectangular plate, mounting pieces are fixedly installed at the bottoms of the four vertical rods, the four mounting pieces are installed on the top of the fixing seat through screws, a bottom notch groove is formed in the bottom of the rectangular plate, two spacing adjusting blocks are slidably installed in the bottom notch groove, two matching rods are fixedly installed at the bottoms of the two spacing adjusting blocks, and matching grooves are formed in the tops of the two clamp blocks and matched with the matching rods.

[0015] Preferably, a bidirectional screw rod is rotatably installed in the bottom notch groove, the two ends of the bidirectional screw rod are opposite in screw direction, the two spacing adjusting blocks are threadedly connected to the two ends of the bidirectional screw rod, a servo motor is installed outside the rectangular plate, the output shaft of the servo motor is fixedly installed at the outer end of the bidirectional screw rod, two limiting rods are fixedly installed in the bottom notch groove, and the two spacing adjusting blocks are slidably installed outside the two limiting rods.

[0016] In the utility model, the profiled clamp of the tapping machine has the beneficial effects that:

[0017] The present scheme needs to adjust the spacing between the two profiled clamp structures, starts the servo motor to drive the bidirectional screw rod to rotate, the bidirectional screw rod drives the two spacing adjusting blocks to approach or move away from each other, the two spacing adjusting blocks drive the two clamp blocks to approach or move away from each other through the four matching rods, the spacing between the two clamp blocks can be adjusted, and the nuts of different sizes can be used;

[0018] The present scheme drives the advancing mobile base to move through the cylinder, drives the push rod to move through the fixed block, drives the nut to move forward through the push rod, taps the nut through the tap, the nut is between the two clamp blocks and can only move horizontally through the two hexagonal grooves, so that the nut cannot rotate on the tap;

[0019] The utility model discloses a hexagonal surface of nut is used as the foundation to set a nut passageway same with the shape of nut in front of nut drop position, guarantees the machining precision while guaranteeing that nut does not rotate on the tap, and the finished product rate is high, and the tap is not easy to wear, greatly increases the service life. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model discloses a structure schematic diagram of the profiling fixture of the tapping machine is provided.

[0021] Figure 2 The utility model discloses a structure schematic diagram of the profiling fixture is provided. Figure 1 The utility model discloses a structure schematic diagram of the intermediate distance adjusting mechanism is provided.

[0022] Figure 3 The utility model discloses a structure schematic diagram of the intermediate distance adjusting mechanism is provided. Figure 2 The utility model discloses a structure schematic diagram of the intermediate distance adjusting mechanism is provided.

[0023] Figure 4 The utility model discloses a structure schematic diagram of the nut push rod structure is provided.

[0024] Figure 5 The utility model discloses a structure schematic diagram of the profiling fixture structure is provided.

[0025] Figure 6 The utility model discloses a structure schematic diagram of the intermediate distance adjusting mechanism is provided.

[0026] Figure 7 The utility model discloses a structure schematic diagram of the intermediate distance adjusting mechanism is provided.

[0027] Figure 8 The utility model discloses a structure schematic diagram of the nut is provided.

[0028] In the drawing: 1, machine body;2, slide rail;21, sliding block;3, push mobile seat;4, nut push rod structure;41, fixed block;42, T-shaped groove;43, push rod;44, support block;45, slide hole;5, fixed seat;6, profiling fixture structure;61, fixture block;62, cooperation groove;63, hexagonal groove;64, notch;7, air cylinder;8, distance adjusting mechanism;81, rectangular plate;82, bottom slot;83, limit rod;84, bidirectional screw;85, distance adjusting block;86, cooperation rod;87, servo motor;88, vertical rod;89, mounting sheet;9, nut. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and obviously, the described embodiments are only part of the embodiments, not all the embodiments.

[0030] Embodiment one

[0031] The application will be further described in detail below. Figures 1-8 The application will be further described in detail below.

[0032] A profiling clamp of a tapping machine, comprising:

[0033] A machine body 1, a propelling moving seat 3 is slidingly installed on the top of the machine body 1, and a nut pushing rod structure 4 is connected to the propelling moving seat 3;

[0034] A fixed seat 5 is installed on the top of the machine body 1, and two profiling clamp structures 6 are symmetrically slidingly installed on the top of the fixed seat 5, and the two profiling clamp structures 6 are matched with the nut pushing rod structure 4;

[0035] A spacing adjusting mechanism 8 is installed on the top of the fixed seat 5 and matched with the two profiling clamp structures 6.

[0036] Referring to Figure 3 In the embodiment, two slide rails 2 are symmetrically fixedly installed on the top of the machine body 1, two sliding blocks 21 are slidingly installed on the two slide rails 2, and the two sliding blocks 21 are fixedly installed on the bottom of the propelling moving seat 3, a pneumatic cylinder 7 is installed on the machine body 1, and the output shaft of the pneumatic cylinder 7 is connected with the propelling moving seat 3, so as to control the movement of the propelling moving seat 3.

[0037] Referring to Figure 4 In the embodiment, the nut pushing rod structure 4 comprises a fixed block 41, the fixed block 41 is installed on the top of the propelling moving seat 3, a T-shaped notch 42 is formed on the top of the fixed block 41, a pushing rod 43 is installed in the T-shaped notch 42, and the horizontal position of the pushing rod 43 is between the two profiling clamp structures 6; the pushing rod 43 is connected with the fixed block 41 through the T-shaped notch 42 and can be detached.

[0038] Referring to Figure 4 In the embodiment, the nut pushing rod structure 4 further comprises a supporting block 44 which is fixedly installed on the top of the machine body 1, a sliding hole 45 is formed on the supporting block 44, and the pushing rod 43 is slidingly connected with the inner wall of the sliding hole 45, so as to ensure the horizontal movement of the pushing rod 43.

[0039] Referring to Figure 5 In the embodiment, the two profiling clamp structures 6 comprise clamp blocks 61, a notch 64 is formed on the bottom of each of the two clamp blocks 61, a notch strip is fixedly installed on the top of the fixed seat 5, the notch 64 is slidingly connected with the corresponding notch strip, a profiling hexagonal groove 63 is formed on the inner side of each of the two clamp blocks 61, and the two profiling hexagonal grooves 63 are used for limiting and abutting the outer side of the nut 9, so as to ensure that the nut 9 will not rotate when the tap is used to tap the thread.

[0040] Referring to Figure 6 , Figure 7In the embodiment, the spacing adjusting mechanism 8 comprises a rectangular plate 81, four vertical rods 88 are fixedly installed at the bottom of the rectangular plate 81, mounting plates 89 are fixedly installed at the bottom of the four vertical rods 88, the four mounting plates 89 are installed at the top of the fixed seat 5 through screws, a bottom slot 82 is formed at the bottom of the rectangular plate 81, two spacing adjusting blocks 85 are slidably installed in the bottom slot 82, two matching rods 86 are fixedly installed at the bottom of the two spacing adjusting blocks 85, a matching groove 62 is formed at the top of the two clamp blocks 61, the matching rods 86 are matched with the matching grooves 62, a bidirectional screw rod 84 is rotatably installed in the bottom slot 82, the two ends of the bidirectional screw rod 84 are oppositely threaded, the two spacing adjusting blocks 85 are threadedly connected at the two ends of the bidirectional screw rod 84, a servo motor 87 is installed outside the rectangular plate 81, the output shaft of the servo motor 87 is fixedly installed at the outer end of the bidirectional screw rod 84, and two limiting rods 83 are fixedly installed in the bottom slot 82. The two spacing adjusting blocks 85 are slidably installed outside the two limiting rods 83.

[0041] The working mode is as follows. In use, the power supply and the PLC controller can be used for electrical control, which is not described herein. In preparation, the nut 9 is placed in front of the push rod 43 by using a mechanical arm, a tap is prepared in front of the push rod 43, in order to adapt to the size of the nut 9, the spacing between the two profiling clamp structures 6 needs to be adjusted, the servo motor 87 is started to drive the bidirectional screw rod 84 to rotate, the bidirectional screw rod 84 drives the two spacing adjusting blocks 85 to move closer to or farther away from each other, the two spacing adjusting blocks 85 drive the two clamp blocks 61 to move closer to or farther away from each other through the four matching rods 86, the spacing between the two clamp blocks 61 can be adjusted, different sizes of nuts 9 can be used, the cylinder 7 drives the advancing moving base 3 to move, the advancing moving base 3 drives the push rod 43 to move through the fixed block 41, the push rod 43 drives the nut 9 to move forward, the nut 9 is threaded by using the tap, the nut is between the two clamp blocks 61, can only move horizontally through the cooperation of the two hexagonal grooves 63, so that the nut cannot rotate on the tap.

[0042] Embodiment two

[0043] Embodiment two is the same as the rest of embodiment one, except that the spacing adjusting mechanism 8 is disassembled and replaced with four screws, the four screws are matched with the four matching grooves 62 on the two clamp blocks 61, the screws are fixed on the top of the fixed seat 5 through the matching grooves 62, and the screws can be loosened to adjust the spacing of the two clamp blocks 61. All the structural shapes, sizes and materials in the application including embodiment one can be selected and adjusted to meet specific use conditions. The drawings are schematic structural diagrams, and the actual sizes can be appropriately adjusted.

[0044] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes to the technical scope disclosed by the present application and the inventive concept thereof, and all of them shall be covered within the scope of protection of the present application.

Claims

1. A profiling fixture for a tapping machine, characterized by Include: The body (1), the top of the body (1) is slidingly installed with a propelling mobile seat (3), the propelling mobile seat (3) is connected with nut push rod structure (4); Fixed seat (5), installed on the top of the body (1), the top of the fixed seat (5) is symmetrically slidingly installed with two imitation clamp structure (6), two imitation clamp structure (6) is matched with nut push rod structure (4); Spacing adjustment mechanism (8), installed on the top of the fixed seat (5), matched with two imitation clamp structure (6).

2. A profile jig for a tapping machine according to claim 1, wherein The top of the body (1) is symmetrically fixedly installed with two slide rails (2), two slide rails (2) are slidingly installed with slide blocks (21), two slide blocks (21) are fixedly installed with the bottom of the propelling mobile seat (3).

3. The profiled fixture of a tapping machine according to claim 1, characterized in that, The body (1) is installed with a cylinder (7), the output shaft of the cylinder (7) is connected with the propelling mobile seat (3).

4. The profiled fixture of claim 1, wherein, The nut push rod structure (4) includes a fixed block (41), the fixed block (41) is installed on the top of the propelling mobile seat (3), the top of the fixed block (41) is provided with a T-shaped notch (42), the T-shaped notch (42) is installed with a push rod (43), the horizontal position of the push rod (43) is between two imitation clamp structure (6).

5. A profile jig for a tapping machine according to claim 4, wherein The nut push rod structure (4) further includes a support block (44) fixedly installed on the top of the body (1), the support block (44) is provided with a sliding hole (45), the push rod (43) is slidingly connected with the inner wall of the sliding hole (45).

6. The profiled fixture of a tapping machine according to claim 1, wherein, Two imitation clamp structure (6) includes clamp block (61), the bottom of two clamp block (61) is provided with a notch (64), the top of the fixed seat (5) is fixedly installed with a notch strip, the notch (64) is slidingly connected with the corresponding notch strip, the inner side of two clamp block (61) is provided with an imitation hexagonal groove (63), two imitation hexagonal groove (63) is used for limiting nut (9), and the outer side of the nut (9) is combined.

7. A profile jig for a tapping machine according to claim 6, wherein The spacing adjustment mechanism (8) includes a rectangular plate (81), four vertical rods (88) are fixedly installed on the bottom of the rectangular plate (81), four mounting pieces (89) are fixedly installed on the bottom of four vertical rods (88), four mounting pieces (89) are installed on the top of the fixed seat (5) through screws, a bottom slot (82) is formed in the bottom of the rectangular plate (81), two spacing adjustment blocks (85) are slidingly installed in the bottom slot (82), two spacing adjustment blocks (85) are fixedly installed with two matching rods (86) on the bottom, two clamp blocks (61) are provided with a matching groove (62) on the top, and the matching rod (86) is matched with the matching groove (62).

8. A profile jig for a tapping machine according to claim 7, wherein Two-way screw rod (84) is rotatably installed in the bottom slot (82), the thread direction of the two ends of the two-way screw rod (84) is opposite, two spacing adjusting blocks (85) are threadedly connected at the two ends of the two-way screw rod (84), the outer side of the rectangular plate (81) is provided with a servo motor (87), the output shaft of the servo motor (87) is fixedly installed with the outer end of the two-way screw rod (84), two limiting rods (83) are fixedly installed in the bottom slot (82), and the two spacing adjusting blocks (85) are slidably installed on the outer sides of the two limiting rods (83).