Quick locking tool for drilling machining of external thread cylinder workpiece

Abstract

The utility model relates to a quick locking tool for drilling a cylindrical workpiece with external threads, which comprises a base, a workpiece locking block is fixedly arranged on the base, the top surface of the workpiece locking block is provided with an internal thread hole used for being screwed with the external threads of the cylindrical workpiece, and the external threads of the cylindrical workpiece are screwed with the internal thread hole. The inner bottom of the inner threaded hole is coaxially provided with a fastening screw connected to the workpiece locking block in a threaded mode, and the top end of the fastening screw is coaxially provided with a machining receding hole. When the quick locking tool for drilling the cylindrical workpiece with the external thread is used, the base is locked on a working table of a machining machine tool through a clamp, then the external thread of the cylindrical workpiece is screwed into an internal thread hole of the workpiece locking block, and finally the fastening screw is rotated to abut against the bottom end of the cylindrical workpiece, so that the cylindrical workpiece can be positioned; a center hole can be conveniently drilled, and external threads can be prevented from being damaged; in the drilling process, the receding hole is machined and used for receding when the drill bit drills through the workpiece downwards.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of outer thread cylindrical workpiece drilling processing quick locking tooling. BACKGROUND

[0002] When the outer peripheral portion of cylindrical workpiece (for example, cooling liquid spray head of rolling mill) is provided with outer thread, the cylindrical workpiece is clamped by three-jaw chuck during drilling center hole, but the clamping jaw is clamped on the outer thread of peripheral portion during clamping process, which can easily damage the outer thread.

[0003] Therefore, in order to solve the above technical problems, the utility model provides a kind of outer thread cylindrical workpiece drilling processing quick locking tooling. CONTENT OF UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model solves the technical problem of providing a kind of outer thread cylindrical workpiece drilling processing quick locking tooling.

[0005] In order to solve the above technical problems, the utility model provides a kind of outer thread cylindrical workpiece drilling processing quick locking tooling, which comprises a base, a workpiece locking block is fixedly arranged on the base, an inner thread hole is arranged on the top surface of the workpiece locking block to be screwed with the outer thread of the cylindrical workpiece, and a clamping screw is coaxially arranged on the inner bottom of the inner thread hole and screwed on the workpiece locking block.

[0006] Preferably, the base comprises a bottom plate, side plates are fixedly arranged on the top surface of the bottom plate at two opposite sides, connecting plates are fixedly arranged on the top end of the two side plates, and the workpiece locking block is fixedly arranged on the top surface of the connecting plate.

[0007] Preferably, the clamping screw is screwed on the connecting plate and the workpiece locking block.

[0008] Preferably, the machining allowance hole on the top end of the clamping screw is coaxially communicated with the inner thread hole, and a handle is vertically fixedly arranged below the connecting plate between the two side plates.

[0009] Preferably, the outer diameter of the clamping screw is smaller than the inner diameter of the inner thread hole.

[0010] Preferably, the depth of the inner thread hole is smaller than the height of the cylindrical workpiece.

[0011] Compared with the prior art, the utility model has the advantages that the outer thread cylinder work piece drilling processing fast locking frock is in using, utilizes the anchor clamps to lock the base on the workstation of processing machine tool, again the outer thread of cylinder work piece is screwed into the internal thread hole of work piece locking block, finally rotates the end of cylinder work piece and is pressed tightly, can position the cylinder work piece, so that the center hole is drilled, can avoid the outer thread damage, the processing gives the hole for when the drill bit is down to drill through the work piece.

[0012] The utility model will be further explained in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the work piece plan view of the utility model embodiment.

[0014] Figure 2 It is the work piece front view of the utility model embodiment.

[0015] Figure 3 It is the structure schematic view of the utility model embodiment.

[0016] Figure 4 It is the working state schematic view of the utility model embodiment. SPECIFIC EMBODIMENT

[0017] The utility model will be further explained in combination with the drawings and specific embodiments.

[0018] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0019] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0020] As shown in Figures 1-4 The embodiment provides a outer thread cylinder work piece drilling processing fast locking frock, including base 1, the base is fixed with work piece locking block 2, the top surface of work piece locking block is provided with the internal thread hole 5 for the outer thread 4 of cylinder work piece 3 is screwed, the inner bottom of internal thread hole is coaxially provided with the tight screw rod 6 that is screwed on work piece locking block, the top end of tight screw rod is coaxially provided with processing give hole 7.

[0021] In the embodiment of the utility model, the base includes bottom plate 101, the opposite side of the top surface of bottom plate is fixed with side plate 102, the top end of both side plates is fixed with connecting plate 103, the workpiece locking block is fixed in the top surface middle part of connecting plate.

[0022] In the embodiment of the utility model, the close screw is screwed on the connecting plate and the workpiece locking block.

[0023] In the embodiment of the utility model, the machining relief hole of the top end of the close screw is coaxial with the internal thread hole, the bottom end of the close screw is below the connecting plate between both side plates and is vertically fixed with handle 601.

[0024] In the embodiment of the utility model, the outer diameter of the close screw is less than the inner diameter of the internal thread hole.

[0025] In the embodiment of the utility model, the depth of the internal thread hole is less than the height of the cylindrical workpiece.

[0026] In the embodiment of the utility model, the external thread cylindrical workpiece drilling machining quick locking tool is used, the base is locked on the workbench of the machining machine tool by the clamp, the external thread of the cylindrical workpiece is screwed into the internal thread hole of the workpiece locking block, finally the bottom end of the cylindrical workpiece is jacked up by rotating the close screw, the cylindrical workpiece can be positioned to drill the center hole, and the external thread can be prevented from being damaged, the machining relief hole is used to give way when the drill bit drills through the workpiece in the drilling process.

[0027] After the center hole 9 of the cylindrical workpiece is processed, the groove 8 can be further milled at the four equal parts of the top end periphery of the workpiece.

[0028] The above is only the preferred embodiment of the utility model, and is not other forms of the utility model, any skilled person in the art can change or modify the above disclosed technology content into equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model without departing from the technical scheme content of the utility model still belongs to the protection scope of the utility model technical scheme.

Claims

1. A quick locking fixture for drilling externally threaded cylindrical workpieces, characterized by: The base is provided with a workpiece locking block, the top surface of the workpiece locking block is provided with an inner threaded hole for screwing with the outer thread of the cylindrical workpiece, the inner bottom of the inner threaded hole is coaxially provided with a clamping screw which is screwed on the workpiece locking block, and the top end of the clamping screw is coaxially provided with a machining clearance hole.

2. The external thread cylindrical body workpiece drilling machining quick locking tooling of claim 1, wherein: The base comprises a bottom plate, the top surface of the bottom plate is fixedly provided with two side plates at two opposite sides, the top end of the two side plates is fixedly provided with a connecting plate, and the workpiece locking block is fixedly provided on the top surface of the middle part of the connecting plate.

3. The external thread cylindrical body workpiece drilling machining quick locking tooling of claim 2, characterized in that: The clamping screw is screwed on the connecting plate and the workpiece locking block.

4. The external thread cylindrical body workpiece drilling machining quick locking tooling of claim 3, characterized in that: The machining clearance hole at the top end of the clamping screw is coaxially communicated with the inner threaded hole, the bottom end of the clamping screw is located below the connecting plate between the two side plates and is fixedly provided with a handle vertically.

5. The external thread cylindrical body workpiece drilling machining quick locking tooling of claim 1, wherein: The outer diameter of the clamping screw is smaller than the inner diameter of the inner threaded hole.

6. The external thread cylindrical body workpiece drilling machining quick locking tooling of claim 1, wherein: The depth of the inner threaded hole is smaller than the height of the cylindrical workpiece.

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