CN213858243U

CN213858243U - Blind rivet for numerical control machine tool

Info

Publication number: CN213858243U
Application number: CN202022550086.9U
Authority: CN
Inventors: 陈昊
Original assignee: Dehaotong Electromechanical Dalian Co ltd
Current assignee: Dehaotong Electromechanical Dalian Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-03
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a blind rivet for digit control machine tool. This blind rivet for digit control machine tool includes: an accessory head and a combined blind rivet; the inside of accessory head is provided with first cylindric passageway and the cylindric passageway of second, and the combination formula blind rivet includes first blind rivet portion and the second blind rivet portion of being connected with first blind rivet portion, and first blind rivet portion includes cylinder portion, taut hydro-cylinder clamping part and spliced pole. The blind rivet can be fixed with the accessory head in the axial direction, when installing the accessory head, when the taut blind rivet of tensioning cylinder, the accessory head can carry out axial displacement in step with the blind rivet, the quick installation of the accessory head of being convenient for to when the taut cylinder breaks down and can't loosen, can screw out second blind rivet portion from the accessory head earlier, later the accessory head can be followed first blind rivet portion and directly taken off, can not cause the damage to the accessory head, the installation and the dismantlement of the accessory head of being convenient for.

Description

Blind rivet for numerical control machine tool

Technical Field

The utility model relates to the technical field of machine tools, concretely relates to blind rivet for digit control machine tool.

Background

Application number CN 201721890490.2's prior patent discloses a blind rivet for digit control machine tool, including attaching the head, the annex is overhead to be passed the blind rivet, and is equipped with the adjustment pad between blind rivet and the first terminal surface of attaching, and the blind rivet left end is fixed through lock nut, and taut hydro-cylinder is connected to the blind rivet right-hand member, adopts this blind rivet for digit control machine tool, and when taut hydro-cylinder broke down, quick detachable attaches the head, and the maintenance of being convenient for avoids leading to the fact the damage to attaching the head. However, the blind rivet for the numerical control machine tool has the following defects: although the blind rivet tip has set up lock nut, can make things convenient for the dismantlement of accessory head, when installing the accessory head, because the blind rivet does not adopt and fastens this traditional mode in the direct screw in accessory head, but in the disect insertion accessory head, this makes blind rivet and accessory head unable realization fixed in the axial, when the installation accessory head, when the taut blind rivet of tensioning hydro-cylinder, the accessory head can not carry out axial displacement in step with the blind rivet well, the quick installation of accessory head of not being convenient for. Therefore, there is a need for a pop-up rivet for a numerical control machine tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above disadvantages, and to provide a blind rivet for a numerical control machine tool, which solves the problems that the existing blind rivet for a numerical control machine tool cannot be axially fixed to an accessory head, and when the accessory head is installed and the blind rivet is tensioned by a tensioning cylinder, the accessory head cannot be axially moved in synchronization with the blind rivet well, which is inconvenient for quick installation of the accessory head.

The utility model provides a blind rivet for digit control machine tool, include: an accessory head and a combined blind rivet;

a first cylindrical channel and a second cylindrical channel communicated with the first cylindrical channel are arranged inside the accessory head, the end parts of the first cylindrical channel and the second cylindrical channel respectively penetrate through the end surfaces of the two sides of the accessory head, the inner diameter of the first cylindrical channel is larger than that of the second cylindrical channel, and first internal threads are arranged on the inner wall of the second cylindrical channel;

the combined blind rivet comprises a first blind rivet part and a second blind rivet part connected with the first blind rivet part, wherein the first blind rivet part comprises a cylindrical part, a tensioning oil cylinder clamping part coaxially connected with one end of the cylindrical part and a connecting column coaxially connected with the other end of the cylindrical part, a first external thread is arranged on the outer peripheral surface of the connecting column, and the diameter of the connecting column is smaller than that of the cylindrical part;

the second rivet part is cylindrical, a cylindrical hole is formed in one end of the second rivet part, a second internal thread is formed in the inner wall of the cylindrical hole, and a second external thread is formed in the outer peripheral surface of the second rivet part;

the cylindrical portion is inserted into the first cylindrical channel, the second blind rivet portion is inserted into the second cylindrical channel, the first internal thread is in threaded connection with the second external thread, the connecting column is inserted into the cylindrical hole, the first external thread is in threaded connection with the second internal thread, and the clamping portion of the tensioning oil cylinder is located outside the accessory head.

Further, the length of the second rivet portion is larger than that of the second cylindrical channel, and one end, opposite to the cylindrical hole, of the second rivet portion extends out of the accessory head.

Furthermore, one end of the second rivet part extending out of the accessory head is connected with a locking nut in a threaded mode. Into

In one step, the length of the cylindrical portion is greater than or equal to the length of the first cylindrical passage.

Further, the diameter of the cylindrical portion is equal to the inner diameter of the first cylindrical passage.

The utility model discloses following beneficial effect has: the utility model provides a pair of blind rivet for digit control machine tool, include: an accessory head and a combined blind rivet; the inside of accessory head is provided with first cylindric passageway and the cylindric passageway of second with first cylindric passageway intercommunication, the combination formula blind rivet includes first blind rivet portion and the second blind rivet portion of being connected with first blind rivet portion, first blind rivet portion includes cylinder portion, with the tensioning hydro-cylinder clamping part of the one end coaxial coupling of cylinder portion and with the spliced pole of the other end coaxial coupling of cylinder portion, can insert cylinder portion in first cylindric passageway during the use, second blind rivet portion inserts in the cylindric passageway of second, first internal thread and second external thread threaded connection, the spliced pole inserts the cylinder hole, first external screw thread and second internal thread threaded connection, tensioning hydro-cylinder clamping part is in the outside of accessory head. The blind rivet can be fixed with the accessory head in the axial direction, when installing the accessory head, when the taut blind rivet of tensioning cylinder, the accessory head can carry out axial displacement in step with the blind rivet, the quick installation of the accessory head of being convenient for to when the taut cylinder breaks down and can't loosen, can screw out second blind rivet portion from the accessory head earlier, later the accessory head can be followed first blind rivet portion and directly taken off, can not cause the damage to the accessory head, the installation and the dismantlement of the accessory head of being convenient for.

Drawings

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

Fig. 1 is the utility model provides a front view schematic diagram of blind rivet for digit control machine tool.

Fig. 2 is the utility model provides a combination formula blind rivet sketch map of blind rivet for digit control machine tool.

Fig. 3 is the utility model provides a first blind rivet portion schematic structure of blind rivet for digit control machine tool.

Fig. 4 is the utility model provides a second blind rivet portion schematic structure of blind rivet for digit control machine tool.

Fig. 5 is a schematic sectional view of an accessory head of the blind rivet for a numerical control machine tool according to the present invention.

Fig. 6 is the utility model provides an installation schematic diagram of combination formula blind rivet and accessory head of blind rivet for digit control machine tool.

Illustration of the drawings: 1-attachment head; 2-combined blind rivet; 11-a first cylindrical channel; 12-a second cylindrical channel; 121-a first internal thread; 21-a first staple part; 22-a second staple portion; 211-a cylindrical portion; 212-tensioning the cylinder clamp; 213-connecting column; 2131-a first external thread; 221-a second internal thread; 222-second external threads; 223-locking nut.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 and 6, the embodiment of the utility model provides a blind rivet for digit control machine tool includes: an accessory head 1 and a combined blind rivet 2.

Wherein, the inside of accessory head 1 is provided with first cylindric passageway 11 and the second cylindric passageway 12 with first cylindric passageway 11 intercommunication, is used for installing combination formula blind rivet 2 in first cylindric passageway 11 and the second cylindric passageway 12.

Specifically, the ends of the first cylindrical passage 11 and the second cylindrical passage 12 penetrate the both side end faces of the attachment head 1, respectively. The inner diameter of the first cylindrical passage 11 is larger than the inner diameter of the second cylindrical passage 12, and the first cylindrical passage 11 and the second cylindrical passage 12 axially coincide. The inner wall of the second cylindrical passage 12 is provided with a first internal thread 121.

Specifically, the utility model discloses design into detachable two parts with the blind rivet, combination formula blind rivet 2 includes first blind rivet portion 21 and the second blind rivet portion 22 of being connected with first blind rivet portion 21. The first puller portion 21 includes a cylindrical portion 211, a tensioning cylinder clamping portion 212 coaxially connected to one end of the cylindrical portion 211, and a connecting column 213 coaxially connected to the other end of the cylindrical portion 211. The tensioning cylinder clamp 212 is used to connect with a tensioning cylinder (not shown), and the connecting column 213 is used to connect with the second puller pin 22. The outer circumferential surface of the connection column 213 is provided with a first external thread 2131, and the diameter of the connection column 213 is smaller than that of the cylindrical portion 211.

The second rivet portion 22 is cylindrical, a cylindrical hole is formed in one end of the second rivet portion 22, a second internal thread 221 is formed in the inner wall of the cylindrical hole, and a second external thread 222 is formed on the outer peripheral surface of the second rivet portion 22. The depth of the cylindrical hole is equal to the length of the connection column 213.

Specifically, the length of the cylindrical portion 211 is greater than or equal to the length of the first cylindrical passage 11, and the diameter of the cylindrical portion 211 is equal to the inner diameter of the first cylindrical passage 11.

The utility model discloses an installation method of blind rivet for digit control machine tool as follows:

the cylindrical portion 211 is inserted into the first cylindrical passage 11, the second rivet portion 22 is inserted into the second cylindrical passage 12, the first internal thread 121 is in threaded connection with the second external thread 222, the connecting column 213 is inserted into the cylindrical hole, the first external thread 2131 is in threaded connection with the second internal thread 221, and the tensioning cylinder clamping portion 212 is located outside the attachment head 1. The length of the second rivet portion 22 is greater than that of the second cylindrical passage 12, one end of the second rivet portion 22 opposite to the cylindrical hole extends to the outside of the attachment head 1, and a locking nut 223 is connected to one end of the second rivet portion 22 extending to the outside of the attachment head 1 in a threaded manner.

Because second blind rivet portion 22 passes through threaded connection with accessory head 1 fixedly, first blind rivet portion 21 passes through threaded connection with second blind rivet portion 22 fixedly, consequently, combination formula blind rivet 2 can realize fixedly with accessory head 1 in the axial, when installing accessory head 1, when taut cylinder clamping part 212 of tensioning cylinder, accessory head 1 can carry out axial displacement with combination formula blind rivet 2 is synchronous, the quick installation of accessory head 1 of being convenient for. And when the tensioning oil cylinder fails and can not be loosened, the locking nut 223 can be taken down firstly, the second rivet part 22 is screwed out from the accessory head 1, then the accessory head 1 can be directly taken down from the first rivet part 21, the accessory head 1 cannot be damaged, and the accessory head 1 can be conveniently mounted and dismounted. In addition, in order to facilitate the removal of the second blind rivet portion 22, structures such as an outer hexagonal protrusion or an inner hexagonal groove may be disposed on the end surface of the second blind rivet portion 22, so as to facilitate the rotation of the second blind rivet portion 22 by means of a tool such as an external wrench.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a blind rivet for digit control machine tool which characterized in that includes: an accessory head (1) and a combined blind rivet (2);

a first cylindrical channel (11) and a second cylindrical channel (12) communicated with the first cylindrical channel (11) are arranged inside the accessory head (1), the end parts of the first cylindrical channel (11) and the second cylindrical channel (12) respectively penetrate through the end surfaces of the two sides of the accessory head (1), the inner diameter of the first cylindrical channel (11) is larger than that of the second cylindrical channel (12), and a first internal thread (121) is arranged on the inner wall of the second cylindrical channel (12);

the combined type blind rivet (2) comprises a first blind rivet part (21) and a second blind rivet part (22) connected with the first blind rivet part (21), wherein the first blind rivet part (21) comprises a cylindrical part (211), a tensioning oil cylinder clamping part (212) coaxially connected with one end of the cylindrical part (211) and a connecting column (213) coaxially connected with the other end of the cylindrical part (211), a first external thread (2131) is arranged on the outer peripheral surface of the connecting column (213), and the diameter of the connecting column (213) is smaller than that of the cylindrical part (211);

the second rivet part (22) is cylindrical, a cylindrical hole is formed in one end of the second rivet part (22), a second internal thread (221) is formed in the inner wall of the cylindrical hole, and a second external thread (222) is formed in the outer peripheral surface of the second rivet part (22);

the cylindrical portion (211) is inserted into the first cylindrical channel (11), the second rivet portion (22) is inserted into the second cylindrical channel (12), the first internal thread (121) is in threaded connection with the second external thread (222), the connecting column (213) is inserted into the cylindrical hole, the first external thread (2131) is in threaded connection with the second internal thread (221), and the tensioning cylinder clamping portion (212) is located outside the accessory head (1).

2. The blind rivet for numerical control machine tool according to claim 1, characterized in that the length of the second blind rivet portion (22) is greater than the length of the second cylindrical passage (12), and the end of the second blind rivet portion (22) opposite to the cylindrical hole extends to the outside of the attachment head (1).

3. The blind rivet for numerical control machine tool according to claim 2, characterized in that a lock nut (223) is screwed to one end of the second blind rivet portion (22) extending to the outside of the attachment head (1).

4. A blind rivet for numerically controlled machine tools according to claim 3, characterized in that the length of the cylindrical portion (211) is greater than or equal to the length of the first cylindrical channel (11).

5. A blind rivet for numerically controlled machine tools according to claim 4, characterized in that the diameter of the cylindrical portion (211) is equal to the internal diameter of the first cylindrical channel (11).