Scrap-proof tool claw of drilling and tapping tool magazine

Abstract

The scrap-proof cutter claw of the drilling and tapping tool magazine comprises a cutter claw seat, a cutter claw main body, a spring and a guide rod, the cutter claw seat comprises a seat body part and a sleeve part connected to one side of the seat body part, one end of the cutter claw main body is hinged to the seat body part, the guide rod is movably arranged in the sleeve part, the tail end of the sleeve part is detachably connected with an end cover, and the end cover is connected with the cutter claw main body. The end cover is used for closing the tail end of the sleeve part, the spring abuts between the end cover and one end of the guide rod, the other end of the guide rod is hinged to a connecting rod, the other end of the cutter claw base is movably connected with two cutter buckling arms, the outer side of the cutter claw body is fixedly connected with a cutter claw door plate, and the other end of the connecting rod is hinged to the outer side wall of the cutter claw door plate. The U-shaped tool clamping groove is formed in one end of the tool claw door plate, the notches are symmetrically formed in the two sides of the tool claw door plate, and the brush strips for repairing the notches are arranged on the notches, so that waste can be prevented from entering the tool claws, tool changing interference is avoided, and the service life of the tool magazine is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control tool magazines, and particularly to a chip-proof tool claw of a drilling and tapping tool magazine. Background Technique

[0002] The tool magazine system is a device used on a numerical control machine tool, which can provide the tools required in the automated machining process and meet the need of automatic tool change. It includes an automatic tool change mechanism and a tool magazine that can store multiple tools, changing the traditional human-based production mode. Controlled by a computer program, various different machining requirements, such as milling, drilling, boring, tapping, etc., can be completed, greatly shortening the machining time and reducing the production cost, which is the biggest feature of the tool magazine system.

[0003] The tool claw is an important component of the tool magazine and is used to hold the tool. In the tool magazines on the market, the positioning device of the tool claw is exposed outside, with poor protection. When the machine tool is machining parts, metal waste splashes and adheres to the tool claw mechanism, resulting in tool change interference in the tool magazine and the risk of damaging the functional components of the machine tool. Summary of the Invention

[0004] The problem to be solved by the utility model is to provide a chip-proof tool claw of a drilling and tapping tool magazine, which can prevent waste from entering the inside of the tool claw, avoid tool change interference, and improve the service life of the tool magazine.

[0005] To solve the above technical problems, a chip-proof tool claw of a drilling and tapping tool magazine provided by the utility model includes a tool claw seat, a tool claw body, a spring, and a guide rod. The tool claw seat includes a seat body part and a sleeve part connected to one side of the seat body part. One end of the tool claw body is hinged to the seat body part. The guide rod is movably arranged in the sleeve part. The tail end of the sleeve part is detachably connected with an end cover, and the end cover is used to close the tail end of the sleeve part. The spring abuts between the end cover and one end of the guide rod. The other end of the guide rod is hinged with a connecting rod. The other end of the tool claw seat is movably connected with two tool holding arms. A tool claw door plate is fixedly connected to the outside of the tool claw body. The other end of the connecting rod is hinged to the outer side wall of the tool claw door plate. A U-shaped tool clamping groove is arranged at one end of the tool claw door plate. Notches are symmetrically arranged on both sides of the tool claw door plate, and brush strips for filling the notches are arranged on the notches.

[0006] Preferably, an annular groove is arranged on the inner peripheral edge of the tail end of the sleeve part, and a circlip matching the annular groove is arranged on the annular groove. The end cover abuts between one end face of the circlip and one end of the spring.

[0007] Preferably, a guide sleeve with a clearance fit with the sleeve part is arranged in the sleeve part. The guide sleeve is arranged in a matching manner with the guide rod, and the guide rod is movably arranged in the guide sleeve.

[0008] Preferably, a spring receiving groove is arranged at one end of the guide rod, and the spring is arranged in the spring receiving groove and one end of it abuts against the inner side end face of the spring receiving groove.

[0009] The beneficial effects of the present utility model are as follows: The present utility model provides a chip-proof tool claw for a drilling and tapping tool magazine. A plurality of such tool claws are annularly installed on the chassis of the tool magazine. Each tool claw door panel can enclose the tool magazine. The tool is stuck on the U-shaped tool clamping groove and is clamped by two tool clamping arms. When changing the tool, the tool changing mechanism applies force to the tool claw body to drive the tool claw body to turn outwards. The guide rod will move along the sleeve part and compress the spring. When the tool claw door panel is opened, the tool changing mechanism will remove the tool from the two tool clamping arms and leave the tool claw body. The guide rod will reset under the elastic force of the spring, and the tool claw door panel will reset to complete the closing of the tool claw. The guide rod is arranged in the sleeve part, and the end cover is used to seal the tail end of the sleeve part to prevent waste from entering the sleeve part, ensuring smooth movement of the guide rod. When the tool claw door panel opens and closes, the brush strips on both sides of the tool claw door panel can sweep the position where the two tool claw door panels contact, preventing waste from adhering to both sides of the tool claw door panel and causing jamming during opening and closing between adjacent tool claw door panels, preventing waste from entering the tool magazine and improving the service life of the tool magazine. Description of the Drawings

[0010] Figure 1 Illustrates the external structure schematic diagram of the present utility model.

[0011] Figure 2 Illustrates the cross-sectional view of the present utility model.

[0012] Figure 3 Illustrates the exploded structure schematic diagram of the present utility model.

[0013] Explanation of the reference numerals in the drawings: Tool claw seat 1, seat body part 10, sleeve part 11, annular groove 110, circlip 111, tool claw body 2, tool clamping arm 20, spring 3, guide rod 4, connecting rod 40, spring receiving groove 41, end cover 5, tool claw door panel 6, U-shaped tool clamping groove 60, notch 61, brush strip 62, guide sleeve 7. Detailed Embodiment

[0014] To make the objectives, technical solutions, and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are some, but not all, of the embodiments of the present disclosure.

[0015] All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.

[0016] Refer to Figures 1 - 3 .

[0017] The utility model provides a chip-proof claw for a drilling and tapping tool magazine, which comprises a claw seat 1, a claw body 2, a spring 3, and a guide rod 4. The claw seat 1 includes a seat body portion 10 and a sleeve portion 11 connected to one side of the seat body portion 10. One end of the claw body 2 is hinged to the seat body portion 10. The guide rod 4 is movably arranged in the sleeve portion 11. A end cover 5 is detachably connected to the tail end of the sleeve portion 11. The end cover 5 is used to close the tail end of the sleeve portion 11. The spring 3 abuts between the end cover 5 and one end of the guide rod 4. The other end of the guide rod 4 is hinged with a connecting rod 40. The other end of the claw seat 1 is movably connected with two knife-clamping arms 20. A claw door plate 6 is fixedly connected to the outside of the claw body 2. The other end of the connecting rod 40 is hinged to the outer side wall of the claw door plate 6. A U-shaped knife-clamping groove 60 is arranged at one end of the claw door plate 6. Notches 61 are symmetrically arranged on both sides of the claw door plate 6. Brush strips 62 for filling the notches 61 are arranged on the notches 61.

[0018] The specific working principle is as follows: A plurality of such claws are installed in a ring on the chassis of the tool magazine. Each claw door plate 6 can enclose the tool magazine. The tool is clamped on the U-shaped knife-clamping groove 60 and clamped by the two knife-clamping arms 20. When changing the tool, the tool-changing mechanism applies force to the claw body 2 to drive the claw body 2 to turn outwards. The guide rod 4 will move along the sleeve portion 11 and compress the spring 3. When the claw door plate 6 is opened, the tool-changing mechanism will remove the tool from the two knife-clamping arms 20 and leave the claw body 2. The guide rod 4 will reset under the elastic force of the spring 3, and the claw door plate 6 will reset to complete the closing of the claw. The guide rod 4 is arranged in the sleeve portion 11, and the tail end of the sleeve portion 11 is closed by the end cover 5 to prevent waste from entering the sleeve portion 11 and ensure the smooth movement of the guide rod 4. When the claw door plate 6 opens and closes, the brush strips 62 on both sides of the claw door plate 6 can sweep the contact position between the two claw door plates 6 to avoid waste adhering to both sides of the claw door plate 6, resulting in jamming during the opening and closing of adjacent claw door plates 6, preventing waste from entering the tool magazine, and improving the service life of the tool magazine.

[0019] Based on the above embodiment, an annular groove 110 is arranged on the inner peripheral edge of the tail end of the sleeve portion 11. A snap ring 111 matching the annular groove 110 is arranged on the annular groove 110. The end cover 5 abuts between one end face of the snap ring 111 and one end of the spring 3. During assembly, the end cover 5, the spring 3, and the guide rod 4 are assembled into the head end of the sleeve portion 11 in sequence, and then the snap ring 111 is snapped into the annular groove 110, which can play a limiting role on the end cover 5 and facilitate the disassembly and assembly of the end cover 5.

[0020] Based on the above embodiment, a guide sleeve 7 with a clearance fit with the sleeve portion 11 is arranged in the sleeve portion 11. The guide sleeve 7 is arranged to match the guide rod 4. The guide rod 4 is movably arranged in the guide sleeve 7 to avoid direct contact between the guide rod 4 and the inner wall of the sleeve portion 11, reduce the wear of the sleeve portion 11, and only need to replace the guide sleeve 7.

[0021] Based on the above embodiments, one end of the guide rod 4 is provided with a spring receiving groove 41. The spring 3 is disposed in the spring receiving groove 41 and one end thereof abuts against the inner end face of the spring receiving groove 41, which can limit the spring 3 and improve the moving stability of the guide rod 4.

[0022] The above embodiments are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. An anti-chip type cutter claw for a drilling and tapping tool magazine, characterized in that, It includes a claw seat, a claw body, a spring, and a guide rod. The claw seat includes a seat body part and a sleeve part connected to one side of the seat body part. One end of the claw body is hinged to the seat body part. The guide rod is movably arranged in the sleeve part. The tail end of the sleeve part is detachably connected with an end cover, and the end cover is used to close the tail end of the sleeve part. The spring abuts between the end cover and one end of the guide rod. The other end of the guide rod is hinged with a connecting rod. The other end of the claw seat is movably connected with two knife-clamping arms. A claw door plate is fixedly connected to the outside of the claw body. The other end of the connecting rod is hinged to the outer side wall of the claw door plate. A U-shaped knife-clamping groove is arranged at one end of the claw door plate. Notches are symmetrically arranged on both sides of the claw door plate, and brush strips for filling the notches are arranged on the notches.

2. The anti-chip type tool claw of a drilling and tapping tool magazine according to claim 1, characterized in that, An annular groove is arranged on the inner peripheral edge of the tail end of the sleeve part, and a snap ring matching the annular groove is arranged on the annular groove. The end cover abuts between one end face of the snap ring and one end of the spring.

3. The anti-chip type cutter claw of a drilling and tapping tool magazine according to claim 2, wherein, A guide sleeve with a clearance fit with the sleeve part is arranged in the sleeve part. The guide sleeve is arranged to match the guide rod, and the guide rod is movably arranged in the guide sleeve.

4. The anti-chip type tool claw of a drilling and tapping tool magazine according to claim 3, characterized in that, A spring accommodation groove is arranged at one end of the guide rod, and the spring is arranged in the spring accommodation groove and one end of it abuts against the inner side end face of the spring accommodation groove.

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