Thread machining cutter handle suitable for lathe tailstock

Abstract

The thread machining cutter handle comprises a Morse taper shank cutter bar, one end of the Morse taper shank cutter bar is connected with the lathe tailstock, the other end of the Morse taper shank cutter bar is provided with an inner round hole coaxial with a Morse taper shank, the inner round hole is used for installing a fixing sleeve, one end of the fixing sleeve is a screw tap end, and the other end of the fixing sleeve is a threading die end. The utility model relates to the technical field of thread machining, the novel thread machining cutter handle is used in cooperation with a lathe tailstock, potential safety hazards caused by rotation of parts when a screw tap or a threading die is manually operated are avoided, and the novel thread machining cutter handle is simple in structure, convenient to use and high in machining efficiency. An operator is separated from a rotating part, so that the personal safety of the operator is guaranteed; the cutter handle is a dual-purpose tool capable of machining external threads and internal threads, machining of various threads can be achieved, one set of tool meets various requirements, and the universality and practicability of the tool are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thread processing technical field, concretely is a kind of processing thread handle suitable for lathe tailstock. BACKGROUND

[0002] In the traditional thread processing field, mainly rely on bench worker tool to carry out manual processing, when tapping or threading, tap or die and workpiece do relative rotation, and by the thread groove formed first guide cutter or workpiece to do axial movement, when manual tapping, part in the rotation process, this operation is extremely unsafe, and the quality of processing thread is completely dependent on the experience of operator to ensure, when lathe thread, use the hand type round die wrench of bench worker to install die and process outer thread of shaft type part, use hand type tap wrench to install tap and process inner thread of pie type part, however, there are obvious shortcomings in manual processing thread using bench worker tool, on the one hand, there are security risks, which may cause harm to operator, on the other hand, thread is prone to slip or rotten tooth, it is difficult to ensure the production quality of part, with the continuous improvement of industrial production quality and production efficiency requirement of part, traditional thread processing method has been unable to meet the demand, so a new type of thread processing tool needs to be developed. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a processing thread handle suitable for lathe tailstock, solves the problem of low efficiency of traditional manual operation and security risks.

[0004] To achieve the above object, the utility model discloses the following technical scheme: a processing thread handle suitable for lathe tailstock, including morrison conical handle cutter bar, the morrison conical handle cutter bar one end is connected with lathe tailstock, the other end is equipped with the inner circular hole coaxial with morrison conical handle, the inner circular hole is used to install fixed sleeve, the fixed sleeve one end is tap end, the other end is die end, the morrison conical handle cutter bar upper end is equipped with the guide groove that communicates with the inner circular hole, the tap end is spun and is connected with first tight screw, the die end is spun and is connected with second tight screw, the fixed sleeve and the morrison conical handle cutter bar are connected through positioning assembly.

[0005] Preferably, the positioning assembly includes a positioning screw, the positioning screw is arranged in the guide groove, and the fixed sleeve is provided with a positioning hole matched with the positioning screw on both sides of the upper wall.

[0006] Preferably, the first tight screw is an internal hexagonal flat end tight screw.

[0007] Preferably, the second tight screw is an internal hexagonal tapered end tight screw.

[0008] Preferably, the taper of one end of the morrison conical handle cutter bar is consistent with the taper of the lathe tailstock.

[0009] Advantages

[0010] The utility model provides a processing thread tool shank suitable for lathe tailstock has the following advantages:

[0011] The novel processing thread tool shank is used with the lathe tailstock, avoids the security hidden danger brought by the rotation of the part when manually operating the tap or the die, separates the operator from the rotating part, and guarantees the personal safety of the operator;

[0012] The tool shank is a dual-purpose tool capable of processing external threads and internal threads, and a variety of threads can be processed by simply adjusting the direction of the fixing sleeve and installing different tools (taps or dies), so that one tool can meet multiple requirements, and the versatility and practicality of the tool are improved.

[0013] The overall structure is simple, the installation and adjustment of the components are convenient, the guide groove has the functions of orientation, extension and buffering, and is beneficial to operation; the positioning assembly and the set screw are arranged to make the installation and positioning of the tool accurate and easy to operate, and the dependence on the experience of the operator is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The utility model is a structure schematic view when attacking internal thread.

[0015] Fig. 2 The utility model is a structure schematic view when attacking external thread.

[0016] In the drawing: 1, Morse taper shank tool bar; 2, lathe tailstock; 3, fixing sleeve; 31, tap end; 311, first set screw; 32, die end; 321, second set screw; 4, guide groove; 5, positioning screw; 6, positioning screw hole; 7, tap; 8, die. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figs. 1-2The utility model provides a technical scheme: a kind of processing thread tool shank suitable for lathe tailstock 2, including morse taper handle tool bar 1, morse taper handle tool bar 1 one end is connected with lathe tailstock 2, other end is equipped with the inner circular hole coaxial with morse taper handle, the inner circular hole is used to install fixed sleeve 3, fixed sleeve 3 one end is tap end 31, other end is die end 32, morse taper handle tool bar 1 upper end is equipped with the guide groove 4 being communicated with the inner circular hole, tap end 31 is spun with first set screw 311, die end 32 is spun with second set screw 321, fixed sleeve 3 with morse taper handle tool bar 1 between it is connected by positioning assembly.

[0019] The embodiment is further provided that the positioning assembly includes a positioning screw 5, the positioning screw 5 is arranged in the guide groove 4, and the fixed sleeve 3 is provided with a positioning hole 6 matched with the positioning screw 5 on the two sides of the upper wall.

[0020] The embodiment is further provided that the first set screw 311 is an internal hexagonal flat end set screw.

[0021] The embodiment is further provided that the second set screw 321 is an internal hexagonal tapered end set screw.

[0022] The embodiment is further provided that the taper of one end of the morse taper handle tool bar 1 is consistent with the taper of the lathe tailstock 2.

[0023] By the skilled in the art, the parts in the case are sequentially connected, and the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the public known technology in the art, and the following mainly introduces the working principle and process.

[0024] When using, the external thread is attacked, the morse taper handle tool bar 1 with the guide groove 4 is installed into the lathe tailstock 2, since the taper of one end of the morse taper handle tool bar 1 is consistent with the taper of the lathe tailstock 2, the morse taper handle tool bar 1 can be tightly matched, the die end 32 of the fixed sleeve 3 is moved forward, the positioning screw 5 is arranged in the guide groove 4, and is screwed into the positioning hole 6 matched with the positioning screw 5 on one side of the upper wall of the fixed sleeve 3, the positioning and installation of the fixed sleeve 3 are completed, the die is installed, the positioning recess of the die is overlapped with the two second set screws 321 of the die end 32 of the fixed sleeve 3, the die is fixed by tightening the screw, the lathe tailstock is pushed to a suitable position, the position of the fixed sleeve 3 in the morse taper handle tool bar 1 is adjusted, the lathe is started, the chuck is rotated, the die and the part are aligned by applying cutting oil, the die and the part are contacted by appropriately operating the tailstock handle, at this time, the fixed sleeve 3 moves forward with the rotation of the chuck, the thread processing is carried out, when the thread processing is completed, the chuck of the lathe is controlled to reverse, the fixed sleeve 3 moves backward with the rotation of the chuck, finally the die is separated from the part, and the external thread processing is completed.

[0025] When tapping internal thread, the Morse taper shank tool bar 1 with the guide groove 4 is also installed into the machine tool tailstock, the tap end 31 of the fixing sleeve 3 is made forward, the positioning screw 5 is penetrated through the guide groove 4 and is screwed into the positioning screw hole 6 on the other side of the upper wall of the fixing sleeve 3, the positioning of the fixing sleeve 3 is realized, the tap is installed, the internal hexagonal flat end set screw is tightened, the tap is fixed, the machine tool tailstock is pushed to the appropriate position, the position of the fixing sleeve 3 is adjusted, the machine tool is started to make the chuck rotate, the cutting oil is applied, the tap is aligned with the part, the tailstock handle is appropriately operated, the tap is contacted with the part, the fixing sleeve 3 is moved forward with the chuck rotation to perform thread processing, after the thread processing is completed, the chuck of the machine tool is reversed, the fixing sleeve 3 is moved backward with the chuck rotation, and the tap is separated from the part.

[0026] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, inclusion of an element by use of the phrase "comprising a...... defined element does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the defined element.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A machining thread tool shank suitable for lathe tailstock, comprising a Morse taper shank tool bar (1), characterized in that, The Morse taper handle tool bar (1) is connected with the lathe tailstock (2) at one end, and is provided with an inner hole coaxial with the Morse taper handle tool bar (1) at the other end, the inner hole is used for mounting a fixing sleeve (3), one end of the fixing sleeve (3) is a tap end (31), and the other end is a die end (32), the Morse taper handle tool bar (1) is provided with a guide groove (4) in communication with the inner hole at the upper end, the tap end (31) is provided with a first check screw (311) screwed thereon, the die end (32) is provided with a second check screw (321) screwed thereon, and the fixing sleeve (3) and the Morse taper handle tool bar (1) are connected through a positioning assembly.

2. The thread cutting tool holder for lathe tailstock according to claim 1, characterized in that, The positioning assembly comprises a positioning screw (5) penetratingly arranged in the guide groove (4), and the upper wall of the fixing sleeve (3) is provided with a positioning screw hole (6) matched with the positioning screw (5) on both sides.

3. The thread cutting tool holder for lathe tailstock according to claim 1, characterized in that, The first check screw (311) is a hexagonal flat end check screw.

4. The thread cutting tool holder for lathe tailstock according to claim 1, characterized in that, The second check screw (321) is a hexagonal taper end check screw.

5. The thread cutting tool holder for lathe tailstock according to claim 1, characterized in that, The taper of one end of the Morse taper handle tool bar (1) is consistent with the taper of the lathe tailstock (2).

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