Fastening mechanism for lathe high-speed machining

Abstract

The utility model discloses a fastening mechanism for lathe high-speed machining, which is characterized in that six special-shaped arc workpieces are symmetrically arranged on the upper surface of a bottom plate, a fastening screw rod is arranged between two special-shaped arc workpieces on the upper surface of the bottom plate, and a positioning and locking pressing plate is arranged on the upper surfaces of the special-shaped arc workpieces outside the fastening screw rod. A locking nut is in threaded connection with the position, above the positioning locking pressing plate, of the outer portion of the fastening screw rod, workpiece positioning taper pins are further symmetrically arranged on the upper surface of the bottom plate, and bottom plate positioning taper pins are symmetrically arranged on the upper surface of the positioning three-jaw. The utility model relates to the technical field of arc machining of special-shaped parts. According to the fastening mechanism for lathe high-speed machining, by adopting lathe machining, the cutting speed can be increased, the surface quality can be improved, the advantages of high equipment speed, good rigidity and a tool are fully played, a plurality of workpieces can be clamped at a time, the efficiency is improved, and the consistency of machined parts can be well guaranteed through the special fastening mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to special-shaped part arc processing technical field, concretely is a fastening mechanism for lathe high -speed processing. BACKGROUND

[0002] Special-shaped part arc workpiece refers to those in shape have arc characteristic parts, these parts are usually called arc parts in machining, their characteristics are that there is arc structure, can be arc link parts, arc rotation parts or arc motion trajectory parts, need through fastening mechanism to carry out positioning when special-shaped part arc workpiece processes.

[0003] However, special-shaped part arc is usually in milling machine or machining center processing, fastens workpiece through special tooling positioning, and processing efficiency is low, therefore, the technical personnel in the art provides a fastening mechanism for lathe high -speed processing to solve the problems raised in the above background art. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a fastening mechanism for lathe high -speed processing to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model is realized through the following technical scheme: a fastening mechanism for lathe high -speed processing, including lathe chuck and the positioning three claws of setting on the upper surface of lathe chuck, the upper surface of positioning three claws is provided with bottom plate, the upper surface of bottom plate is provided with six special-shaped arc workpieces symmetrically, and the upper surface of bottom plate is provided with fastening screw between two special-shaped arc workpieces, the outer portion of fastening screw is provided with positioning locking press plate on the upper surface of special-shaped arc workpiece, and the outer portion of fastening screw is screw -threaded with locking nut above positioning locking press plate, the upper surface of bottom plate is also provided with workpiece positioning taper pin symmetrically, the upper surface of positioning three claws is provided with bottom plate positioning taper pin symmetrically.

[0006] Preferably, the both ends of the fastening screw are threaded, and the lower surface of the positioning locking press plate is in contact with the upper surface of the special-shaped arc workpiece.

[0007] Preferably, the outer surface of the special-shaped arc workpiece is provided with a preformed hole, and the upper end of the workpiece positioning taper pin is embedded in the preformed hole.

[0008] Preferably, the upper surface of the bottom plate is provided with a nail hole, and the bottom plate positioning taper pin is installed in the inside of the nail hole.

[0009] Preferably, the locking nut is a hexagonal nut, and the lower end of the locking nut is in contact with the upper surface of the positioning locking press plate.

[0010] Preferably, the upper surface of the bottom plate is provided with a mounting hole, and the lower end of the fastening screw is embedded in the mounting hole and is in threaded connection with the mounting hole.

[0011] Advantages

[0012] The utility model provides a fastening mechanism for lathe high speed processing, has the following advantages compared with prior art:

[0013] The fastening mechanism for lathe high speed processing can improve cutting speed and surface quality by lathe processing, fully exert the advantages of high speed, good rigidity and cutter, clamp multiple workpieces at a time, improve efficiency, and the special fastening mechanism can also ensure the consistency of machined parts. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the fastening mechanism for lathe high speed processing;

[0015] Figure 2 It is a structural schematic view of the fastening screw in the fastening mechanism for lathe high speed processing;

[0016] Figure 3 It is a structural schematic view of the bottom plate positioning taper pin in the fastening mechanism for lathe high speed processing;

[0017] Figure 4 It is a structural schematic view of the workpiece positioning taper pin in the fastening mechanism for lathe high speed processing;

[0018] Figure 5 It is a top view of the special-shaped arc workpiece in the fastening mechanism for lathe high speed processing.

[0019] In the figure: 1, lathe chuck;2, positioning three-jaw;21, bottom plate positioning taper pin;3, fastening screw;31, positioning locking pressure plate;32, locking nut;4, special-shaped arc workpiece;41, positioning hole;5, bottom plate;51, workpiece positioning taper pin. DETAILED DESCRIPTION

[0020] 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, rather than 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.

[0021] Please refer to Figures 1-5The utility model provides a technical scheme: a fastening mechanism for lathe high -speed processing, including lathe chuck 1 and the positioning three claws 2 of setting on the upper surface of lathe chuck 1, the upper surface of positioning three claws 2 is provided with bottom plate 5, the upper surface of bottom plate 5 is provided with six special-shaped arc workpieces 4 in symmetry, and the upper surface of bottom plate 5 is provided with fastening screw rod 3 between two special-shaped arc workpieces 4, the outside of fastening screw rod 3 is provided with positioning locking press plate 31 on the upper surface of special-shaped arc workpiece 4, and the outside of fastening screw rod 3 is threadedly connected with locking nut 32 above positioning locking press plate 31, the upper surface of bottom plate 5 is also provided with workpiece positioning taper pin 51 in symmetry, the upper surface of positioning three claws 2 is provided with bottom plate positioning taper pin 21 in symmetry.

[0022] In Figure 2 and Figure 3 : the both ends of fastening screw rod 3 are threaded, the lower surface of positioning locking press plate 31 contacts with the upper surface of special-shaped arc workpiece 4, the upper surface of bottom plate 5 is provided with mounting hole, the lower end of fastening screw rod 3 is embedded inside mounting hole and is threadedly connected with mounting hole, the setting can install fastening screw rod 3 by the thread connection of fastening screw rod 3 and mounting hole, and special-shaped arc workpiece 4 can be pressed tightly by positioning locking press plate 31, to ensure its stability.

[0023] In Figure 4 : the outer surface of special-shaped arc workpiece 4 is provided with prefabricated hole, the upper end of workpiece positioning taper pin 51 is embedded inside prefabricated hole, the setting can guarantee the position of workpiece by workpiece positioning taper pin 51, so that the size of workpiece processed simultaneously is consistent.

[0024] In Figure 4 : the upper surface of bottom plate 5 is provided with nail hole, bottom plate positioning taper pin 21 is installed inside nail hole, the setting cooperates bottom plate positioning taper pin 21 with nail hole on bottom plate 5 to guarantee the position accuracy of bottom plate installation, so that the arc center position of workpiece to be processed is consistent with the rotation center of machine tool main shaft.

[0025] In Figure 2 , Figure 3 and Figure 5 : locking nut 32 is hexagonal nut, the lower end of locking nut 32 contacts with the upper surface of positioning locking press plate 31, by the thread rotation of locking nut 32 outside fastening screw rod 3, positioning locking press plate 31 can be made to come down to the purpose of positioning special-shaped arc workpiece 4.

[0026] In use, the lathe high-speed machining fastening mechanism first ensures the position accuracy of the installation of the base plate 5 by cooperating the base plate positioning taper pin 21 with the nail hole on the base plate 5, and then places the special-shaped arc workpiece 4 on the base plate 5, and makes the workpiece positioning taper pin 21 on the upper end of the base plate 5 cooperate with the prefabricated hole of the workpiece, so as to realize the positioning of the special-shaped arc workpiece 4, ensure the position of the workpiece, and make the sizes of the simultaneously machined workpieces consistent. At the same time, the positioning and locking pressing plate 31 is sleeved on the outside of the fastening screw rod 3, and the locking nut 32 is rotated on the outside of the fastening screw rod 3. Thus, the positioning and locking pressing plate 31 is pressed down to press the special-shaped arc workpiece 4 when being rotated. The number of the special-shaped arc workpieces 4 on the base plate 5 is not limited to six in the figure. When the parts are small, the number of the arranged parts may be more than six. Conversely, when the workpieces are large, the number of the workpieces may be less than six. The workpieces can be placed and positioned for machining according to actual needs. The positioning realizes the precise positioning of six workpieces, ensures the consistency of the machined parts, and improves the cutting speed and the surface quality by using the lathe machining. The lathe high-speed machining fastening mechanism fully utilizes the advantages of high speed, good rigidity and cutting tools, clamps multiple workpieces at a time, improves the efficiency, and ensures the consistency of the machined parts by using the special fastening mechanism.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A fastening mechanism for high speed machining of a lathe, comprising a lathe chuck (1) and a positioning three-jaw (2) arranged on the upper surface of the lathe chuck (1), characterized in that: The upper surface of the positioning three-jaw (2) is provided with a bottom plate (5), the upper surface of the bottom plate (5) is symmetrically provided with six special-shaped circular arc workpieces (4), and the upper surface of the bottom plate (5) is provided with a fastening screw (3) between two special-shaped circular arc workpieces (4), the outer part of the fastening screw (3) is provided with a positioning locking pressing plate (31) on the upper surface of the special-shaped circular arc workpiece (4), and the outer part of the fastening screw (3) is threadedly connected with a locking nut (32) above the positioning locking pressing plate (31), the upper surface of the bottom plate (5) is also symmetrically provided with a workpiece positioning conical pin (51), and the upper surface of the positioning three-jaw (2) is symmetrically provided with a bottom plate positioning conical pin (21).

2. A fastening mechanism for high speed machining of a lathe as claimed in claim 1, wherein: Both ends of the fastening screw (3) are threaded, and the lower surface of the positioning locking pressing plate (31) is in contact with the upper surface of the special-shaped circular arc workpiece (4).

3. The fastening mechanism for high speed machining of a lathe as claimed in claim 1, wherein: The outer surface of the special-shaped circular arc workpiece (4) is provided with a prefabricated hole, and the upper end of the workpiece positioning conical pin (51) is embedded in the prefabricated hole.

4. The fastening mechanism for high speed machining of a lathe as claimed in claim 1, wherein: The upper surface of the bottom plate (5) is provided with a nail hole, and the bottom plate positioning conical pin (21) is installed in the nail hole.

5. The fastening mechanism for high speed machining of a lathe as claimed in claim 1, wherein: The locking nut (32) is a hexagonal nut, and the lower end of the locking nut (32) is in contact with the upper surface of the positioning locking pressing plate (31).

6. The fastening mechanism for high speed machining of a lathe as claimed in claim 1, wherein: The upper surface of the bottom plate (5) is provided with a mounting hole, and the lower end of the fastening screw (3) is embedded in the mounting hole and threadedly connected with the mounting hole.

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