CN218169446U

CN218169446U - Tool for clamping round bar workpieces

Info

Publication number: CN218169446U
Application number: CN202221934543.7U
Authority: CN
Inventors: 李雪林
Original assignee: Nanjing Totemtool Co ltd
Current assignee: Nanjing Totemtool Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-30
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a frock for centre gripping of pole class work piece, include: the base is provided with a plurality of first threaded holes and a plurality of second threaded holes, wherein the second threaded holes are arranged at equal intervals; the inner side of the fixed seat is provided with a triangular limiting groove, and the fixed seat is provided with a plurality of positioning holes which correspond to the first threaded holes one by one; the locating part, it includes back taper extrusion stick and threaded rod, the threaded rod sets up in the bottom of back taper extrusion stick. The utility model discloses an even placing of pole class work piece is at the triangle-shaped spacing inslot to let the pole and the fillet laminating of summit position, then place the locating part downwards, and drive the hexagon card post through rotating the swing handle and rotate, the round rod class work piece around the back taper extrusion stick can extrude gradually at the in-process that descends, after in the locating part was put into the round rod completely, each bar can transmit all bars rapidly because the effort principle, thereby realizes locking.

Description

Tool for clamping round bar workpieces

Technical Field

The utility model relates to a technical field of machining especially relates to a frock that is used for pole class work piece centre gripping.

Background

In machining, a round bar workpiece belongs to one of common workpieces, and when end face machining is carried out, a round bar needs to be clamped and fixed well, most of the existing clamping tools can only carry out single round bar machining, and the machining efficiency is relatively low;

when multiple round bars are machined, the problem is solved by providing a tool for clamping round bar type workpieces, considering that accumulated errors generated by diameter errors of the workpieces can cause that cylindrical workpieces at some parts cannot be locked and machining deviation is easily caused, and accordingly the yield of machined products is reduced.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned problem that exists at present a frock for centre gripping of pole class work piece, provided the utility model discloses.

Therefore, the utility model aims at providing a frock for pole class work piece centre gripping, its locking work for the convenience of a plurality of pole work pieces.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a frock for pole class work piece centre gripping, includes:

the base is provided with a plurality of first threaded holes and a plurality of second threaded holes, wherein the second threaded holes are arranged at equal intervals;

the inner side of the fixed seat is provided with a triangular limiting groove, and the fixed seat is provided with a plurality of positioning holes which correspond to the first threaded holes one by one;

locating part, it includes back taper extrusion stick and threaded rod, the threaded rod sets up in the bottom of back taper extrusion stick.

As a preferred scheme of a frock for pole class work piece centre gripping, wherein: the fixing seat is fixedly connected with the base through the inner hexagonal long screw rod, and the inner hexagonal long screw rod penetrates through the positioning hole to be connected with the first threaded hole in a matched mode.

As a preferred scheme of a frock for pole class work piece centre gripping, wherein: still be provided with spacing frame on the base, the fixing base is embedded into to spacing frame.

As a preferred scheme of a frock for pole class work piece centre gripping, wherein: the diameter of the upper end of the inverted cone-shaped extrusion rod is d, the diameter of the lower end of the inverted cone-shaped extrusion rod is d-0 and 1mm, and the diameter of the inverted cone-shaped extrusion rod is uniformly and progressively reduced from top to bottom.

As a preferred scheme of a frock for pole class work piece centre gripping, wherein: the upper end of back taper extrusion stick is provided with the hexagon draw-in groove, and the cooperation is connected with hexagon card post on the hexagon draw-in groove, the hexagon card post is gone up to cross fixedly connected with and is revolved the handle.

As a preferred scheme of a frock for pole class work piece centre gripping, wherein: and each corner of the triangular limiting groove is provided with a fillet attached to the round bar workpiece.

The utility model has the advantages that:

1. the round rod type workpieces are uniformly placed in the triangular limiting groove, round rods at the vertex positions are attached to the round corners, then the limiting part is placed downwards, the hexagonal clamping columns are driven to rotate by rotating the rotating handles, so that the threaded rods are gradually screwed into the corresponding second threaded holes, the round rod type workpieces around can be gradually extruded by the inverted cone-shaped extrusion rods in the descending process, after the limiting part is completely placed in the round rods, the hexagonal clamping columns are taken down, all the rods can be rapidly transmitted to all the rods due to the action force principle, locking is achieved, the fixing effect is good, and the end face processing of the round rods is facilitated;

2. the detachable connection between the fixing seat and the base is convenient for tool assembly, and the arrangement of the second threaded holes can select more limiting parts to clamp according to actual processing requirements, so that the locking effect is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts. Wherein:

fig. 1 is a schematic view of the overall structure of a tool for clamping round bar workpieces according to the present invention;

fig. 2 is a schematic view of a matching structure of a base and a fixing seat in a tool for clamping round bar workpieces according to the present invention;

fig. 3 is a schematic front structural view of a locating part in a fixture for clamping round bar type workpieces.

In the figure: 100-base, 101-limit frame, 102-first threaded hole, 103-second threaded hole, 200-fixed seat, 201-triangle limit groove, 202-locating hole, 203-fillet, 300-limit piece, 204-inner hexagonal long screw, 300 a-inverted cone extrusion rod, 300 b-hexagonal clamping groove, 300 c-threaded rod, 301-hexagonal clamping column and 302-rotary handle.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1 to 3, in order to provide an embodiment of the present invention, a fixture for clamping a round bar workpiece is provided, and the fixture specifically includes a base 100, a fixing seat 200, and a limiting member 300.

The base 100 is provided with a plurality of first threaded holes 102 and a plurality of second threaded holes 103, wherein the second threaded holes 103 are arranged at equal intervals;

triangle-shaped spacing groove 201 has been seted up to fixing base 200's inboard, and set up a plurality of locating holes 202 with first screw hole 102 one-to-one on the fixing base 200, fixing base 200 passes through interior hexagonal long screw 204 and base 100 fixed connection, interior hexagonal long screw 204 passes locating hole 202 and is connected with first screw hole 102 cooperatees, can dismantle the connection, the equipment of being convenient for, still be provided with spacing frame 101 on the base 100, fixing base 200 imbeds to spacing frame 101 in, the preliminary location when being convenient for fixing base 200 installation, each turning of triangle-shaped spacing groove 201 all is provided with the fillet 203 of laminating mutually with the pole work piece, increase pole and triangle-shaped spacing groove 201's contact surface, improve locking effect.

The limiting part 300 comprises an inverted cone extrusion rod 300a and a threaded rod 300c, the threaded rod 300c is arranged at the bottom end of the inverted cone extrusion rod 300a, specifically, the diameter of the upper end of the inverted cone extrusion rod 300a is d, the diameter of the lower end of the inverted cone extrusion rod 300a is d-0 and 1mm, and the diameter of the inverted cone extrusion rod 300a is uniformly and progressively decreased from top to bottom. In the process of gradually moving downwards of the limiting member 300, the upper end of the inverted cone-shaped extrusion rod 300a can slowly extrude round bars around, in addition, the upper end of the inverted cone-shaped extrusion rod 300a is provided with a hexagonal clamping groove 300b, the hexagonal clamping groove 300b is connected with a hexagonal clamping column 301 in a matched manner, and the hexagonal clamping column 301 is transversely fixedly connected with a rotating handle 302. Be convenient for rotate the locating part 300, also can replace with suitable allen key, notice that use back hexagon card post 301 need take off.

In the use, through even placing pole class work piece in triangle-shaped spacing groove 201, and let the pole and the laminating of fillet 203 of summit position, then place locating part 300 downwards, and drive hexagon card post 301 through rotating swing handle 302 and rotate, thereby let threaded rod 300c screw in the second screw hole 103 that corresponds gradually, back taper extrusion stick 300a can extrude pole class work piece on every side gradually at the in-process that descends, after locating part 300 puts into the pole completely, take off hexagon card post 301, each bar is because the effort principle, can transmit all bars rapidly, thereby realize locking, fixed effectual, the terminal surface processing of the many round bars of being convenient for.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a frock for centre gripping of pole class work piece which characterized in that includes:

the screw driver comprises a base (100), wherein a plurality of first threaded holes (102) and a plurality of second threaded holes (103) are formed in the base (100), and the second threaded holes (103) are arranged at equal intervals;

the inner side of the fixed seat (200) is provided with a triangular limiting groove (201), and the fixed seat (200) is provided with a plurality of positioning holes (202) which correspond to the first threaded holes (102) one by one;

the locating part (300) comprises an inverted cone extrusion rod (300 a) and a threaded rod (300 c), wherein the threaded rod (300 c) is arranged at the bottom end of the inverted cone extrusion rod (300 a).

2. The tool for clamping the round bar workpiece according to claim 1, wherein the tool comprises: the fixing seat (200) is fixedly connected with the base (100) through the inner hexagonal long screw (204), and the inner hexagonal long screw (204) penetrates through the positioning hole (202) to be matched and connected with the first threaded hole (102).

3. The tool for clamping the round rod workpiece as claimed in claim 1, wherein the tool comprises: still be provided with spacing frame (101) on base (100), fixing base (200) are embedded into in spacing frame (101).

4. The tool for clamping the round rod workpiece as claimed in claim 1, wherein the tool comprises: the diameter of the upper end of the inverted cone-shaped extrusion rod (300 a) is d, the diameter of the lower end of the inverted cone-shaped extrusion rod (300 a) is d-0 and 1mm, and the diameter of the inverted cone-shaped extrusion rod (300 a) is uniformly and progressively reduced from top to bottom.

5. The tool for clamping the round bar workpiece according to claim 4, wherein the tool comprises: the upper end of the inverted cone-shaped extrusion rod (300 a) is provided with a hexagonal clamping groove (300 b), the hexagonal clamping groove (300 b) is connected with a hexagonal clamping column (301) in a matched mode, and the hexagonal clamping column (301) is transversely and fixedly connected with a rotary handle (302).

6. The tool for clamping the round bar workpiece according to claim 1, wherein the tool comprises: and each corner of the triangular limiting groove (201) is provided with a fillet (203) which is attached to the round bar workpiece.