CN212421036U

CN212421036U - Core pin clamping device

Info

Publication number: CN212421036U
Application number: CN202021008501.1U
Authority: CN
Inventors: 缪友东; 陈章中; 陈枫
Original assignee: Yancheng Taiouchang Machinery Co ltd
Current assignee: Yancheng Taiouchang Machinery Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-29
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a core pin clamping device, which comprises a body, the inside center department of body is provided with and compresses tightly the end, inside one side of body is provided with the push-in end, the inside opposite side of body is provided with stretches into the end, the inside sliding connection who compresses tightly the end has a plurality of compact heap, the inside threaded connection who pushes away the end has the propulsion piece, the front end that advances the piece is provided with a plurality of locking holes. Inside pushing away the compact heap through using the propulsion piece and compressing tightly the end, the clamping of core round pin is realized to shrink through a plurality of compact heaps, and in the course of working, the core round pin can lead to the core round pin fracture when avoiding turning the hole in the through-hole in the middle of the propulsion piece. Through setting up a plurality of compact heap and compressing tightly end sliding connection, can guarantee that three compact heap synchronous inwards shrink, guarantee whole anchor clamps to the neutrality. Through setting up the locking hole, conveniently insert the club and rotate the propulsion piece, save the required strength of screw in propulsion piece.

Description

Core pin clamping device

Technical Field

The utility model relates to a clamping device field especially relates to a core pin clamping device.

Background

The core pin is generally thin and short, and a hole needs to be turned in the center, so that the conventional three-jaw chuck is difficult to clamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a core pin clamping device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a core round pin clamping device, includes the body, the inside center department of body is provided with and compresses tightly the end, inside one side of body is provided with the push-in end, the inside opposite side of body is provided with stretches into the end, the inside sliding connection who compresses tightly the end has a plurality of compact heap, the inside threaded connection who pushes in the end has the propulsion piece, the front end that pushes in the piece is provided with a plurality of locking holes.

As a further description of the above technical solution:

the pressing end is a hollowed round table, a sliding groove is formed in the sliding connection position of the inner side wall of the pressing end and the pressing block, and a sliding block is arranged at the sliding connection position of the pressing block and the pressing end.

As a further description of the above technical solution:

the propelling block is provided with corresponding external screw threads at the threaded connection with the propelling block.

As a further description of the above technical solution:

the center department of impeling the piece is provided with the through-hole, impel the rear end week side of piece and be provided with the top cover, impel the piece and be provided with the strengthening rib with the junction of top cover.

As a further description of the above technical solution:

the pressing blocks are three in total, and the three pressing blocks are evenly distributed in the pressing end.

As a further description of the above technical solution:

and a baffle ring is arranged at the rear side of the inside of the extending end.

The utility model discloses following beneficial effect has:

1. the utility model discloses an inside using the propulsion piece to push away the compact heap and compressing tightly the end, the shrink through a plurality of compact heaps realizes the clamping of core round pin, and in the course of working, the core round pin can lead to the core round pin fracture when avoiding turning the hole in the through-hole in the middle of the propulsion piece.

2. The utility model discloses a set up a plurality of compact lumps and compress tightly end sliding connection, can guarantee the synchronous shrink of three compact lumps inwards, guarantee the centering nature of whole anchor clamps.

3. The utility model discloses a set up the locking hole, conveniently insert the rod and rotate the propulsion piece, save the required strength of screw in propulsion piece.

Drawings

Fig. 1 is a side view of a compact block of a core pin clamping device provided by the present invention;

FIG. 2 is a cut-away view of the body of a core pin clamping device provided by the present invention;

fig. 3 is a schematic view of a thrust block of the core pin clamping device provided by the present invention;

fig. 4 is the utility model provides a core pin clamping device's overall structure schematic diagram.

Illustration of the drawings:

1. a body; 2. a push-in end; 3. a compression end; 4. an extending end; 5. a compression block; 6. a propulsion block; 7. and (4) locking holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a core round pin clamping device, which comprises a body 1, the inside center department of body 1 is provided with compresses tightly end 3, through compressing tightly end 3 with three compact heap 5 shrink inwards, inside one side of body 1 is provided with push away end 2, be used for threaded connection propulsion block 6, it compresses tightly to promote compact heap 5 through propulsion block 6, the inside opposite side of body 1 is provided with stretches into end 4, leave the space for the entering of core round pin and compact heap 5, the inside sliding connection who compresses tightly end 3 has a plurality of compact heaps 5, compress tightly the core round pin through compact heap 5, the inside threaded connection who pushes away end 2 has propulsion block 6, impel through screw drive, the front end of propulsion block 6 is provided with a plurality of locking holes 7, make things convenient for the use of instrument locking propulsion block 6.

The compressing end 3 is a hollowed round table, the front end of the compressing end is large, the rear end of the compressing end is small, the compressing end is used for contracting the compressing block 5, a sliding groove is formed in the sliding connection position of the compressing block 5 and the inner side wall of the compressing end 3, the compressing block 5 can only slide directionally, a sliding block is arranged at the sliding connection position of the compressing end 3 and clamped in the sliding groove, and the moving direction of the compressing block 5 is limited. The push-in end 2 is provided with the corresponding internal thread in the threaded connection department with push-in block 6, and push-in block 6 is provided with the corresponding external screw thread in the threaded connection with push-in end 2, impels through screw drive, and screw drive has better locking performance simultaneously. The center of the propelling block 6 is provided with a through hole for inserting the core pin, the periphery of the rear end of the propelling block 6 is provided with a top sleeve, the top sleeve is in contact with the pressing block 5, and a reinforcing rib is arranged at the joint of the propelling block 6 and the top sleeve. The pressing blocks 5 are three in total, and the three pressing blocks 5 are evenly distributed in the pressing end 3. The rear side of the inner part of the extending end 4 is provided with a retaining ring to prevent the pressing block 5 from sliding out.

The working principle is as follows: insert the position of stretching into end 4 with the thinner one end of core round pin, later screw in impels piece 6, impels piece 6 and pushes away compact heap 5 rearward movement, and three compact heap 5 can press from both sides the position at core round pin second ladder, and the round pin cap of core round pin then is located the through-hole in the middle of impelling piece 6, can carry out the processing of core round pin through-hole or blind hole after compressing tightly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a core round pin clamping device, includes body (1), its characterized in that: the utility model discloses a push-type sealing device, including body (1), the inside center department of body (1) is provided with compresses tightly end (3), the inside one side of body (1) is provided with push-in end (2), the inside opposite side of body (1) is provided with stretches into end (4), the inside sliding connection who compresses tightly end (3) has a plurality of compact heap (5), the inside threaded connection who pushes in end (2) has propulsion block (6), the front end that pushes in block (6) is provided with a plurality of locking holes (7).

2. The core pin clamping device of claim 1, wherein: the pressing end (3) is a hollowed round table, a sliding groove is formed in the sliding connection position of the inner side wall of the pressing end (3) and the pressing block (5), and a sliding block is arranged at the sliding connection position of the pressing block (5) and the pressing end (3).

3. The core pin clamping device of claim 1, wherein: the pushing end (2) is provided with corresponding internal threads at the threaded connection part with the pushing block (6), and the pushing block (6) is provided with corresponding external threads at the threaded connection part with the pushing end (2).

4. The core pin clamping device of claim 1, wherein: the center department that impels piece (6) is provided with the through-hole, impel the rear end week side of piece (6) and be provided with the top cover, impel the piece (6) and be provided with the strengthening rib with the junction of top cover.

5. The core pin clamping device of claim 1, wherein: the pressing blocks (5) are three in total, and the three pressing blocks (5) are evenly distributed in the pressing end (3).

6. The core pin clamping device of claim 1, wherein: a baffle ring is arranged at the rear side of the inside of the extending end (4).