CN112238405A

CN112238405A - Die fastening device

Info

Publication number: CN112238405A
Application number: CN202011042231.0A
Authority: CN
Inventors: 刘建奇; 周志容; 刘森森; 黄汝彪; 刘小硕
Original assignee: Shenzhen Chuang Xin Carbide Mould Co ltd
Current assignee: Shenzhen Chuang Xin Carbide Mould Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-19

Abstract

The invention discloses a die fastening device which comprises a first fastening rod, wherein a first collet chuck is movably connected in the middle of the outer surface of the first fastening rod in an inserting mode, a first workpiece is sleeved on the right part of the outer surface of the first fastening rod, a second fastening rod is fixedly connected to the right end of the first fastening rod, a second collet chuck is movably connected in the middle of the outer surface of the second fastening rod in an inserting mode, and a second workpiece is sleeved on the left part of the outer surface of the second fastening rod. According to the die fastening device, the first collet chuck and the second collet chuck are arranged, so that two workpieces can be machined at one time, the concentricity of the two workpieces is guaranteed, the workpieces are convenient to clamp, the machining efficiency is high, and the use cost is low.

Description

Die fastening device

Technical Field

The invention relates to the technical field of jigs, in particular to a die fastening device.

Background

The jig is a large tool for carpenters, ironworkers, benches, machinery, electronic control and other handicraft articles, and is mainly used for assisting the control of positions or actions, the jig is frequently used in industrial production as a tool for assisting the control of positions or actions so as to pre-position a plurality of workpieces needing positioning installation, dispensing, welding or surface mounting lamps, and therefore batch production is carried out, the jig plays an important role in modern industrial production, at present, a jig capable of processing two workpieces simultaneously is not available on the market, the two workpieces need to be used simultaneously, concentricity must be kept, but the concentricity of the workpieces cannot be guaranteed when the two workpieces are processed by the existing jig, the number of processing procedures is large when the workpieces are processed by the jig, the processing speed is low, and the processing efficiency is reduced; accordingly, we propose a mold fastening device.

Disclosure of Invention

The invention mainly aims to provide a die fastening device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the mold fastening device comprises a first fastening rod, wherein a first collet chuck is inserted and movably connected in the middle of the outer surface of the first fastening rod, a first workpiece is sleeved on the right portion of the outer surface of the first fastening rod, a second fastening rod is fixedly connected to the right end of the first fastening rod, a second collet chuck is inserted and movably connected in the middle of the outer surface of the second fastening rod, and a second workpiece is sleeved on the left portion of the outer surface of the second fastening rod.

Preferably, the diameter of the left end of the first fastening rod is larger than the diameter of the right end of the first fastening rod, the diameter of the right end of the second fastening rod is larger than the diameter of the left end of the second fastening rod, and the diameter of the right end of the first fastening rod is consistent with the diameter of the left end of the second fastening rod.

Preferably, the left part and the right part of the outer surface of the first collet chuck are both provided with a plurality of first grooves, and the left part and the right part of the outer surface of the second collet chuck are both provided with a plurality of second grooves.

Preferably, the first grooves and the second grooves are distributed in a left-right staggered manner.

Preferably, the inner cylinder wall of the first collet chuck and the inner cylinder wall of the second collet chuck can be provided with a plurality of threads, and the outer surface of the first fastening rod and the outer surface of the second fastening rod can be provided with a plurality of threads.

Compared with the prior art, the invention has the following beneficial effects:

this mould fastener, through rotatory collet chuck and No. two collet chucks, make the equidirectional centre of one of them remove and automatic expansion, thereby prop up the hole of a work piece and No. two work pieces and make its saturation, play the fixed action to a work piece and No. two work pieces, can fix two work pieces simultaneously, the concentricity of two work pieces has been ensured, be convenient for process two work pieces simultaneously, make the clamping of work piece very convenient, thereby the manufacturing procedure of work piece has been reduced, the process velocity of work piece has been accelerated, great improvement the machining efficiency of work piece.

Drawings

FIG. 1 is a schematic view of the overall structure of a mold fastening device according to the present invention;

FIG. 2 is a schematic view of the connection between the first fastening rod and the second fastening rod of the mold fastening device of the present invention;

fig. 3 is a schematic structural view of a first collet and a second collet of a mold fastening device according to the present invention.

In the figure: 1. a first fastening rod; 2. a first collet; 3. a first workpiece; 4. a second workpiece; 5. a second collet; 6. a second fastening rod; 7. a first groove is cut; 8. and a second groove is cut.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a mold fastening device comprises a first fastening rod 1, a first collet chuck 2 is inserted and movably connected in the middle of the outer surface of the first fastening rod 1, a first workpiece 3 is sleeved on the right portion of the outer surface of the first fastening rod 1, a second fastening rod 6 is fixedly connected at the right end of the first fastening rod 1, a second collet chuck 5 is inserted and movably connected in the middle of the outer surface of the second fastening rod 6, and a second workpiece 4 is sleeved on the left portion of the outer surface of the second fastening rod 6.

The diameter of the left end of the first fastening rod 1 is larger than that of the right end of the second fastening rod 6, the diameter of the right end of the first fastening rod 1 is larger than that of the left end of the second fastening rod 6, and the diameter of the right end of the first fastening rod 1 is consistent with that of the left end of the second fastening rod 6; the left part and the right part of the outer surface of the first collet chuck 2 are both provided with a plurality of first grooves 7, and the left part and the right part of the outer surface of the second collet chuck 5 are both provided with a plurality of second grooves 8; the first grooves 7 and the second grooves 8 are distributed in a left-right staggered manner, so that the first collet chuck 2 and the second collet chuck 5 can automatically expand and respectively support inner holes of the first workpiece 3 and the second workpiece 4, and the purpose of simultaneously fixing the two workpieces is achieved; the inner cylinder wall of the first collet 2 and the inner cylinder wall of the second collet 5 can be provided with a plurality of threads, and the outer surface of the first fastening rod 1 and the outer surface of the second fastening rod 6 can be provided with a plurality of threads, so that the first collet 2 and the second collet 5 can be moved conveniently, and workpieces with different diameters can be fixed conveniently.

It should be noted that the invention is a die fastening device, when in use, a user respectively sleeves a first fixing piece 3 and a second workpiece 4 on a first fastening fixing rod 1 and a second fastening fixing rod 6, then rotates a first collet 2 and a second collet 5 and respectively inserts the right part of the first collet 2 and the left part of the second collet 5 into the inner holes of the first fixing piece 3 and the second workpiece 4, and then continuously pushes the first collet 2 and the second collet 5 towards the middle, because the diameter of the left end of the first fastening rod 1 is larger than that of the right end, and the diameter of the right end of the second fastening rod 6 is larger than that of the left end, the first collet 2 and the second collet 5 respectively expand automatically through a plurality of first cutting grooves 7 and a plurality of second cutting grooves 8, and prop up the inner holes of the first fixing piece 3 and the second workpiece 4 and saturate the inner holes, thereby fixing the two workpieces at the same time, the fixed effect to two work pieces has been strengthened, has ensured the concentricity of two work pieces, and has made the outer wall of two work pieces be in same straight line to the installation of cooperation work piece is used.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A mould fastening device comprises a fastening rod (1), and is characterized in that: the outer surface middle part of a fastening rod (1) is inserted and movably connected with a first collet chuck (2), the outer surface right part of the fastening rod (1) is sleeved with a first workpiece (3), the right end of the fastening rod (1) is fixedly connected with a second fastening rod (6), the outer surface middle part of the second fastening rod (6) is inserted and movably connected with a second collet chuck (5), and the outer surface left part of the second fastening rod (6) is sleeved with a second workpiece (4).

2. A mold fastening device according to claim 1, wherein: the left end diameter of a fastening rod (1) is larger than the right end diameter, the right end diameter of a fastening rod (6) is larger than the left end diameter, and the right end diameter of the fastening rod (1) is consistent with the left end diameter of the fastening rod (6).

3. A mold fastening device according to claim 1, wherein: the left part and the right part of the outer surface of the first collet chuck (2) are provided with a plurality of first grooves (7), and the left part and the right part of the outer surface of the second collet chuck (5) are provided with a plurality of second grooves (8).

4. A mold fastening device according to claim 3, wherein: the first grooves (7) and the second grooves (8) are distributed in a left-right staggered mode.

5. A mold fastening device according to claim 1, wherein: the inner cylinder wall of the first collet (2) and the inner cylinder wall of the second collet (5) can be provided with a plurality of threads, and the outer surface of the first fastening rod (1) and the outer surface of the second fastening rod (6) can be provided with a plurality of threads.