A tap assembly that facilitates quick changeover

Abstract

The utility model discloses a tap assembly convenient to replace quickly relates to mechanical processing tool technical field, including handle and tap body, handle one end is equipped with installation cavity, and the installation handle that tap body is equipped with can insert installation cavity, and the installation handle outer wall has the tenon, and the installation cavity has the corresponding card slot on, and the installation cavity outer wall is equipped with elastic joint spare, and the handle is equipped with lock dead assembly with tap body interval. The utility model has realized the quick replacement of tap, has improved production efficiency, and the connection is stable good, has guaranteed processing accuracy and product quality. Simultaneously, handle and tap body are separated, can carry out maintenance or replace alone, have reduced material loss and overall maintenance cost greatly, have good economy and practicality.

Description

Technical Field

[0001] This utility model belongs to the field of machining tool technology, specifically relating to a tap assembly that is easy to quickly replace. Background Technology

[0002] In the field of machining, taps are the core tool for internal thread machining, and the efficiency of their installation and replacement directly affects the continuity of the machining process and production efficiency.

[0003] Traditional taps and tool holders are typically integrated, fixed to the machine tool via threaded connections or clamping mechanisms. Replacement requires multiple tightening and loosening operations using auxiliary tools (such as wrenches), making the process cumbersome and time-consuming. Especially in batch processing or automated production lines, frequent tap changes increase equipment downtime and significantly reduce processing efficiency. Furthermore, repeated assembly and disassembly of traditional taps leads to thread wear, reduced clamping force, and even tap wobble or slippage, affecting machining accuracy and shortening tool life. In addition, if a tap breaks, its integrated design renders the entire tap unusable, wasting material from the tap holder. Therefore, developing a tap assembly that allows for quick replacement and saves material is of significant practical importance. Utility Model Content

[0004] In view of one or more of the above-mentioned defects or improvement needs of the prior art, the present invention provides a tap assembly that is easy to replace quickly, and has the advantages of quick replacement and material saving.

[0005] To achieve the above objectives, this utility model provides a tap assembly that is easy to quickly replace, comprising a tool holder and a tap body. One end of the tool holder is provided with a mounting cavity, and the other end is used to connect to a machine tool spindle. The tap body is provided with a mounting shank that can be inserted into the mounting cavity. The outer wall of the mounting shank is provided with a tenon, and the mounting cavity has a groove corresponding to the tenon. The outer wall of the mounting cavity is also provided with an elastic locking element for locking the mounting shank inside the mounting cavity. A locking component is provided between the tool holder and the tap body for locking the tool holder and the tap body together.

[0006] The elastic locking component includes a spring, a locking rod, and an unlocking button. One end of the spring is connected to the mounting cavity, and the other end is connected to the unlocking button. The unlocking button passes through the mounting cavity and is connected to the locking rod. The locking rod is hook-shaped and is used to hook the latch.

[0007] The locking assembly includes a threaded hole at the top of the mounting cavity and a threaded cap coaxially disposed around the outer periphery of the mounting handle. The external thread of the threaded cap is adapted to the internal thread of the threaded hole, and the mounting handle is locked to the mounting cavity by screwing into the threaded hole.

[0008] A positioning component is also provided between the mounting cavity and the mounting handle. The positioning component includes a positioning post disposed inside the mounting cavity and a positioning hole disposed on the mounting handle. The positioning post and the positioning hole are interference-fitted.

[0009] An elastic sealing ring is provided at the end of the mounting handle away from the tap body. The bottom of the elastic sealing ring fits tightly against the bottom of the mounting cavity to seal the gap between the ends.

[0010] The tool holder is provided with a connecting part at the end away from the mounting cavity. A keyway is provided on the outer wall of the connecting part, and a flat key is adapted in the keyway for circumferential fixation with the machine tool spindle.

[0011] In summary, the beneficial effects of the above-described technical solutions conceived by this utility model compared with the prior art include: This invention, through the configuration of an installation cavity, installation handle, locking tenon, locking groove, and elastic locking component, achieves rapid assembly and disassembly of the tap body and tool holder, significantly shortening tap replacement time and effectively improving production efficiency. The addition of a locking component further enhances the structural stability of the connection between the tap body and tool holder, preventing deviations caused by loosening during machining and ensuring that machining accuracy meets design requirements. Simultaneously, this invention transforms the traditional integrated tap design into a split structure, allowing damaged components to be repaired or replaced individually, significantly reducing material waste and overall maintenance costs, demonstrating excellent economic efficiency and practicality. Attached Figure Description

[0012] Figure 1 This is the state of the tap assembly after connection in this utility model; Figure 2 This is the separated state of the tap assembly in this utility model; Figure 3 This is a view of the tap assembly arranged side by side in this utility model; Figure 4 This is a structural diagram of the tap body in this utility model; Figure 5 This is a schematic diagram of the tool holder structure in this utility model; Figure 6 This is a front view of the tool holder in this utility model; Figure 7 for Figure 6 A sectional view.

[0013] The meanings of the markings in the attached diagram are as follows: 1. Tool holder; 101. Mounting cavity; 102. Slot; 103. Elastic snap-fit ​​element; 1031. Spring; 1032. Locking lever; 1033. Unlocking button; 104. Connecting part; 105. Keyway; 106. Flat key; 2. Tap body; 201. Mounting shank; 202. Locking tenon; 203. Elastic sealing ring; 3. Locking assembly; 301. Threaded hole; 302. Threaded cap; 4. Positioning assembly; 401. Positioning pin; 402. Positioning hole. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. The terms “comprising,” “including,” etc., as used herein indicate the presence of the stated features, steps, operations, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, or components.

[0016] All terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein are to be interpreted in a manner consistent with the context of this specification, and not in an idealized or overly rigid way.

[0017] In the embodiments, by Figure 1-7 The present invention includes a tool holder 1 and a tap body 2. One end of the tool holder 1 is provided with a mounting cavity 101, and the other end is used to connect to the machine tool spindle. The tap body 2 is provided with a mounting shank 201, which can be inserted into the mounting cavity 101. The mounting handle 201 has a tenon 202 on its outer wall, and the mounting cavity 101 has a groove 102 corresponding to the tenon 202. The mounting cavity 101 also has an elastic snap-fit ​​103 on its outer wall to lock the mounting handle 201 inside the mounting cavity 101. A locking assembly 3 is provided between the tool holder 1 and the tap body 2 to lock the tool holder 1 and the tap body 2 together.

[0018] The elastic snap-fit ​​component 103 includes a spring 1031, a locking rod 1032, and an unlocking button 1033. One end of the spring 1031 is connected to the mounting cavity 101, and the other end is connected to the unlocking button 1033. The unlocking button 1033 passes through the mounting cavity 101 and is connected to the locking rod 1032. The locking rod 1032 is hook-shaped and is used to hook the latch 202.

[0019] When installing the tap body 2, insert the installation handle 201 into the installation cavity 101. The latch 202 moves along the slot 102. When the latch 202 reaches the locking position, the locking rod 1032 hooks the latch 202 under the action of the spring 1031, completing the initial locking. When disassembly is required, press the unlock button 1033 to compress the spring 1031, which will cause the locking rod 1032 to disengage from the latch 202, and the installation handle 201 can be removed from the installation cavity 101.

[0020] The locking assembly 3 includes a threaded hole 301 formed at the top of the mounting cavity 101 and a threaded cap 302 coaxially arranged around the outer periphery of the mounting handle 201. The external thread of the threaded cap 302 is adapted to the internal thread of the threaded hole 301, and the mounting handle 201 is locked to the mounting cavity 101 by screwing it into the threaded hole 301. After the elastic snap-fit ​​103 completes the initial locking, the threaded cap 302 is screwed into the threaded hole 301 to further strengthen the connection between the mounting handle 201 and the mounting cavity 101 and prevent loosening during processing.

[0021] A positioning component 4 is further provided between the mounting cavity 101 and the mounting handle 201. The positioning component 4 includes a positioning post 401 disposed inside the mounting cavity 101 and a positioning hole 402 disposed on the mounting handle 201. The positioning post 401 and the positioning hole 402 are interference-fitted. The fit between the positioning post 401 and the positioning hole 402 ensures the accurate installation position of the mounting handle 201 within the mounting cavity 101, avoiding installation deviations that could affect machining accuracy.

[0022] An elastic sealing ring 203 is provided at the end of the mounting handle 201 away from the tap body 2. The bottom of the elastic sealing ring 203 fits tightly against the bottom of the mounting cavity 101 to seal the gap between the ends. The elastic sealing ring 203 is made of rubber, which has good elasticity and sealing performance, reducing the collision between the tap body 2 and the tool holder 1.

[0023] The tool holder 1 has a connecting portion 104 at the end away from the mounting cavity 101. A keyway 105 is provided on the outer wall of the connecting portion 104, and a flat key 106 is fitted inside the keyway 105 for circumferential fixation with the machine tool spindle. The cooperation between the flat key 106 and the keyway on the machine tool spindle ensures reliable circumferential fixation between the tool holder 1 and the machine tool spindle, thus ensuring the stability of the machining process.

[0024] The specific working process of this utility model: In use, first install the matching flat key 106 into the keyway 105 of the connecting part 104 through the tool holder 1, and then connect and fix the connecting part 104 to the machine tool spindle; then insert the tap body 2 into the tool holder 1, specifically by inserting the positioning hole 401 on the mounting shank 201 into the positioning post 402 in the mounting cavity 101, and aligning the latch 202 with the notch of the slot 102, and simultaneously press the unlock button 1033. The unlock button 1033 drives the locking rod 1032 to move towards the center of the mounting cavity 101, so that the mounting shank 201 is inserted into the bottom of the mounting cavity 101 along the trajectory of the positioning post 402. After fully entering the bottom of the slot 102, release the unlock button 1033. At this time, the locking rod 1032 moves away from the center of the mounting cavity 101 under the elastic force of the spring 1031. The locking rod 1032 hooks the latch 202, completing the initial locking. Then screw the threaded cover 302 into the threaded hole 301 and tighten it to further lock the tool holder 1 and the tap body 2, and then the machining operation can be performed. When it is necessary to replace the tap, first loosen the threaded cover 302, press the unlock button 1033, remove the mounting handle 201 from the mounting cavity 101, replace the new tap body 2, and repeat the above installation steps.

[0025] In summary, this utility model provides a tap assembly that facilitates quick replacement. Through the configuration of a mounting cavity, mounting shank, locking lug, locking groove, and elastic locking element, it achieves rapid assembly and disassembly of the tap body and tool holder, significantly shortening tap replacement time and effectively improving production efficiency. The addition of a locking component further enhances the structural stability of the connection between the tap body and tool holder, preventing deviations caused by loosening during machining and ensuring that machining accuracy meets design requirements. Furthermore, this utility model transforms the traditional integrated tap design into a split structure, allowing damaged components to be repaired or replaced individually, significantly reducing material waste and overall maintenance costs, demonstrating excellent economic efficiency and practicality.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tap assembly that is easy to quickly replace, characterized in that: It includes a tool holder (1) and a tap body (2). One end of the tool holder (1) is provided with a mounting cavity (101) and the other end is used to connect to the machine tool spindle. The tap body (2) is provided with a mounting handle (201) which can be inserted into the mounting cavity (101). The mounting handle (201) has a tenon (202) on its outer wall and a groove (102) corresponding to the tenon (202) on its mounting cavity (101). The mounting cavity (101) also has an elastic snap-fit ​​(103) on its outer wall to lock the mounting handle (201) inside the mounting cavity (101). A locking assembly (3) is provided between the tool holder (1) and the tap body (2) to lock the tool holder (1) and the tap body (2).

2. The tap assembly for easy and quick replacement according to claim 1, characterized in that: The elastic snap-fit ​​component (103) includes a spring (1031), a locking rod (1032), and an unlocking button (1033). One end of the spring (1031) is connected to the mounting cavity (101), and the other end is connected to the unlocking button (1033). The unlocking button (1033) passes through the mounting cavity (101) and is connected to the locking rod (1032). The locking rod (1032) is hook-shaped and is used to hook the latch (202).

3. The tap assembly for easy and quick replacement according to claim 1, characterized in that: The locking assembly (3) includes a threaded hole (301) opened at the top of the mounting cavity (101) and a threaded cap (302) coaxially arranged around the outer periphery of the mounting handle (201). The external thread of the threaded cap (302) is adapted to the internal thread of the threaded hole (301), and the mounting handle (201) and the mounting cavity (101) are locked by screwing into the threaded hole (301).

4. The tap assembly for easy and quick replacement according to claim 1, characterized in that: A positioning component (4) is also provided between the mounting cavity (101) and the mounting handle (201). The positioning component (4) includes a positioning post (401) disposed inside the mounting cavity (101) and a positioning hole (402) disposed on the mounting handle (201). The positioning post (401) and the positioning hole (402) are interference-fitted.

5. The tap assembly for easy and quick replacement according to claim 1, characterized in that: An elastic sealing ring (203) is provided at one end of the mounting handle (201) away from the tap body (2). The bottom of the elastic sealing ring (203) fits tightly against the bottom of the mounting cavity (101) to seal the gap opening between the ends.

6. The tap assembly for easy and quick replacement according to claim 1, characterized in that: The tool holder (1) is provided with a connecting part (104) at one end away from the mounting cavity (101). A keyway (105) is provided on the outer wall of the connecting part (104). A flat key (106) is adapted in the keyway (105) for circumferential fixation with the machine tool spindle.

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