CN214142678U - Collective doffing transmission pipe connecting structure of spinning frame - Google Patents
Collective doffing transmission pipe connecting structure of spinning frame Download PDFInfo
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- CN214142678U CN214142678U CN202022716383.6U CN202022716383U CN214142678U CN 214142678 U CN214142678 U CN 214142678U CN 202022716383 U CN202022716383 U CN 202022716383U CN 214142678 U CN214142678 U CN 214142678U
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Abstract
The utility model provides a collective doffing transmission pipe connecting structure of a spinning frame, wherein a first annular groove is arranged at the driving end of a first transmission pipe, and a second annular groove is arranged at the driven end of a second transmission pipe; the coupler comprises an upper shell and a lower shell which are arranged in a semi-annular shape and extend in the front-back direction, openings of the upper shell and the lower shell face a first transmission pipe, the upper shell and the lower shell are fixedly connected, the inner side wall of the upper shell extends downwards to form two semi-circular arc-shaped upper protruding strips, the inner side wall of the lower shell extends upwards to form two semi-circular arc-shaped lower protruding strips to form annular limiting strips, and the two annular limiting strips are respectively buckled in a first annular groove and a second annular groove; one side wall of the first annular groove is arranged in an inclined plane which inclines outwards, and the other side wall of the first annular groove is arranged in a vertical plane; a lateral wall of the second annular groove is an inclined plane which inclines outwards, and the other lateral wall is a vertical plane, so that the installation accuracy can be guaranteed simultaneously under the condition of eliminating the installation gap, and the axial accuracy of connection of the doffing transmission pipe is improved.
Description
Technical Field
The utility model relates to a ring spinning frame technical field especially relates to a collective doffing transmission tube connection structure of spinning frame.
Background
The transmission pipe connection structure of the collective doffing of the spinning frame of the current mainstream is a bolt inserting structure or a transmission pipe vertical connection groove structure, the doffing transmission pipe is mainly stressed by axial tension and compression during working, the axial gap cannot be effectively eliminated by the two connection structures, when the spindle number of the spinning frame is long, the gap connected by the multiple sections of transmission pipes generates accumulated error to influence the working consistency of the locomotive tail of the collective doffing mechanism, and the air frame mounted on the air frame cannot be at the same height and generate equal inserting pipe pressure during working, so that the accuracy and the stability of the collective doffing are influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, an embodiment of the present invention provides a connection structure for a collective doffing transmission tube of a spinning frame.
An embodiment of the utility model provides a collective doffing transmission tube connection structure of spinning frame, include:
the transmission device comprises a first transmission pipe and a second transmission pipe, wherein the first transmission pipe and the second transmission pipe both extend in the front-back direction, a first annular groove coaxial with the first transmission pipe is arranged at the driving end of the first transmission pipe, a second annular groove coaxial with the second transmission pipe is arranged at the driven end of the second transmission pipe, and the driving end and the driven end are oppositely arranged in the front-back direction; and the number of the first and second groups,
the coupler comprises an upper shell and a lower shell which are arranged in a semi-annular shape and extend in the front-back direction, openings of the upper shell and the lower shell face the first transmission pipe, the upper shell is fixedly connected with the lower shell, the inner side wall of the upper shell extends downwards to form two semi-arc-shaped upper raised lines which are arranged at intervals in the front-back direction, the inner side wall of the lower shell extends upwards to form two semi-arc-shaped lower raised lines which are arranged at intervals in the front-back direction, the two upper raised lines and the two lower raised lines are opposite to each other to form annular limiting strips, and the two annular limiting strips are respectively matched with the first annular groove and the second annular groove and are respectively buckled in the first annular groove and the second annular groove;
one side wall of the first annular groove is arranged in an inclined plane which inclines outwards, and the other side wall of the first annular groove is arranged in a vertical plane; one side wall of the second annular groove is an inclined plane which inclines outwards, and the other side wall of the second annular groove is a vertical plane.
Further, the first annular groove is close to one side wall of the second transmission pipe and is arranged in a vertical surface mode.
Further, the second annular groove is arranged close to a side wall of the first transmission pipe in a vertical surface mode.
The annular positioning sleeve is laid on the driving end of the first transmission pipe and the driven end of the second transmission pipe, is located between the first annular groove and the second annular groove, and is clamped on the inner sides of the upper shell and the lower shell.
Furthermore, two ends of the upper shell are respectively provided with an upper through hole in a penetrating manner, two ends of the lower shell are respectively provided with a lower through hole opposite to the upper through hole in a penetrating manner, the upper through hole and the lower through hole are located on two sides of the first transmission pipe, and the screw connector penetrates through the upper through hole and the lower through hole to be matched with the nut so as to fix the upper shell and the lower shell.
Furthermore, the both ends of going up the casing are equipped with a plurality ofly respectively in the interval from front to back go up the through-hole, the both ends of casing are equipped with a plurality ofly respectively in the interval from front to back down the through-hole down.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: in the tight installation of the clamp of last casing and lower casing, can make the inclined plane of going up sand grip, lower sand grip offset with the inclined plane of first annular groove, second annular groove all the time to guarantee the shaft coupling to first transmission pipe, second transmission pipe at the ascending limiting displacement of axial, guarantee that the shaft coupling can eliminate its and first transmission pipe, the axial clearance between the second transmission pipe at the tight in-process of installation clamp, thereby improve the axial precision that doff transmission pipe connects. The vertical surfaces of the upper raised strips and the lower raised strips are matched with the vertical surfaces of the first annular grooves and the second annular grooves to complete axial positioning, and installation accuracy can be guaranteed simultaneously under the condition of eliminating installation gaps.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a collective doffing transmission tube connection structure of a spinning frame provided by the present invention;
fig. 2 is a schematic sectional view of the collective doffing transmission pipe connecting structure of the spinning machine in fig. 1.
In the figure: the device comprises a first transmission pipe 1, a driving end 11, a first annular groove 12, a second transmission pipe 2, a driven end 21, a second annular groove 22, an annular locating sleeve 3, an upper shell 4, an upper convex strip 41, an upper through hole 42, a lower shell 5, a lower convex strip 51, a lower through hole 52, a screw connector 6, a bevel 7 and a vertical surface 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a connection structure for collective doffing transmission pipes of a spinning frame, including a first transmission pipe 1 and a second transmission pipe 2, an annular positioning sleeve 3 and a shaft coupling, which both extend in a front-back direction.
The driving end 11 of the first transmission pipe 1 is provided with a first annular groove 12 coaxial with the first transmission pipe 1, the driven end 21 of the second transmission pipe 2 is provided with a second annular groove 22 coaxial with the second transmission pipe 2, and the driving end 11 and the driven end 21 are oppositely arranged in the front-back direction. The shaft coupling is including all being the semi-annular setting and along preceding casing 4 and lower casing 5 of forward-backward extension, go up casing 4 with casing 5's opening all moves towards down first transmission pipe 1, go up casing 4 with casing 5 fixed connection down, it forms two convex strips 41 on the semicircle arcuation that sets up to the interval to go up the 4 inside walls of casing to stretch downwards, 5 inside walls of casing are stretched upwards to stretch and are formed two convex strips 51 under the semicircle arcuation that sets up to the interval in the front-to-back down, two go up convex strip 41 and two the relative annular spacing strip that forms of convex strip 51 one-to-one down, two annular spacing strip respectively with first annular groove 12 second annular groove 22 looks adaptation, buckle respectively in first annular groove 12 with in the second annular groove 22.
One side wall of the first annular groove 12 is provided with an inclined plane 7 which inclines outwards, the other side wall is provided with a vertical plane, and as the annular limiting strip is matched with the first annular groove 12, one side wall of the upper raised strip 41 and one side wall of the lower raised strip 51 which are opposite to the first annular groove 12 are provided with an inclined plane 7, and the other side wall is provided with a vertical plane; a lateral wall of second annular groove 22 is the inclined plane 7 setting that leans out, and another lateral wall is vertical face setting, because annular spacing with second annular groove 22 looks adaptation, with second annular groove 22 is relative go up sand grip 41 with sand grip 51 lateral wall is the inclined plane setting down, and another lateral wall is vertical face setting, at last casing 4 and casing 5's clamp installation in-process down, can make the inclined plane of going up sand grip 41, lower sand grip 51 offset with first annular groove 12, second annular groove 22 all the time to guarantee the shaft coupling to first transmission pipe 1, the ascending limiting displacement of second transmission pipe 2 in the axial, guarantee that the shaft coupling can eliminate its and first transmission pipe 1, the axial clearance between second transmission pipe 2 at the tight in-process of installation clamp, thereby improve the axial precision that the transmission pipe that doffs connects. The vertical surfaces of the upper convex strip 41 and the lower convex strip 51 are matched with the vertical surfaces 8 of the first annular groove 12 and the second annular groove 22 to complete axial positioning, and the installation precision can be simultaneously ensured under the condition of eliminating installation gaps.
Meanwhile, taking the upper protruding strip 41 and the first annular groove 12 as an example, since the side walls of the first annular groove 12 and the upper protruding strip 41 are inclined planes, the opening of the first annular groove 12 is wider than the width of the upper protruding strip 41 facing one end of the first transmission pipe 1, so that the upper protruding strip 41 can be aligned with the first annular groove 12 more easily, and then the upper protruding strip 41 and the first annular groove 12 can be clamped and mounted by the upper housing 4 and the lower housing 5, along with the increasing fastening degree of the upper housing 4 and the lower housing 5, the upper protruding strip 41 can slide along the inclined plane 7 and be buckled in the first annular groove 12, so that the upper housing 4 and the lower housing 5 can be mounted on the first transmission pipe 1 and the second transmission pipe 2 conveniently. In this embodiment, a side wall of the first annular groove 12 close to the second transmission pipe 2 is a vertical surface, side walls of the upper and lower beads 41 and 51 facing the vertical surface of the first annular groove 12 are also vertical surfaces, a side wall of the second annular groove 22 close to the first transmission pipe 1 is a vertical surface 8, and side walls of the upper and lower beads 41 and 51 facing the vertical surface 8 of the second annular groove 22 are also vertical surfaces.
The upper shell 4 and the lower shell 5 can be connected through threads, buckles and other connection modes, in the embodiment, the two ends of the upper shell 4 are respectively provided with an upper through hole 42 in a penetrating manner, the two ends of the lower shell 5 are respectively provided with a lower through hole 52 opposite to the upper through hole 42 in a penetrating manner, and the screw connector 6 penetrates through the upper through hole 42 and the lower through hole 52 to be matched with a nut so as to fix the upper shell 4 and the lower shell 5. The upper through hole 42 and the lower through hole 52 are located on both sides of the first transmission pipe 1, so that interference between the screw member 6 and the first transmission pipe 1 and the second transmission pipe 2 is avoided. The upper shell 4 and the lower shell 5 can be fixedly connected and are convenient to install by penetrating the screw connecting piece 6 through the upper through hole 42 and the lower through hole 52 and then matching the screw connecting piece 6 with the nut.
Go up the both ends of casing 4 and be equipped with a plurality ofly respectively to the interval in the front to last through-hole 42, the both ends of casing 5 are equipped with a plurality ofly respectively to the interval in the front to lower through-hole 52, accessible screwed joint spare 6 is fixed last casing 4, casing 5 in the front to many places down, can guarantee the shaft coupling to first transmission pipe 1, the ascending limiting displacement of second transmission pipe 2 in the axial to improve the axial precision that doff transmitted union coupling.
The annular positioning sleeve 3 is laid on the driving end 11 of the first transmission pipe 1 and the driven end 21 of the second transmission pipe 2, namely the annular positioning sleeve 3 is sleeved on the driving end 11 of the first transmission pipe 1 and the driven end 21 of the second transmission pipe 2, the inner side wall of the annular positioning sleeve 3 is attached to the outer side walls of the first transmission pipe 1 and the second transmission pipe 2, and the annular positioning sleeve 3 is located between the first annular groove 12 and the second annular groove 22 and clamped on the inner side of the upper shell 4 and the lower shell 5.
Through laying annular position sleeve 3 on first transmission pipe 1 and second transmission pipe 2, can radially spacing first transmission pipe 1 and second transmission pipe 2, reduce the error in radial ascending, guarantee the coaxial precision of first transmission pipe 1 and second transmission pipe 2. The upper shell 4 and the lower shell 5 are arranged on the first transmission pipe 1 and the second transmission pipe 2, so that the first transmission pipe 1 and the second transmission pipe 2 can be limited in the axial direction, and the error in the axial direction is reduced. The shaft coupling and 3 combined actions of annular position sleeve improve the axial and coaxial precision that doff drive tube connects, have effectively eliminated the ascending installation clearance of collective doff drive tube axial to do not change the installation external dimension, improve the operating accuracy and the stability of collective doff mechanism.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a collective doffing transmission pipe connection structure of spinning frame which characterized in that includes:
the transmission device comprises a first transmission pipe and a second transmission pipe, wherein the first transmission pipe and the second transmission pipe both extend in the front-back direction, a first annular groove coaxial with the first transmission pipe is arranged at the driving end of the first transmission pipe, a second annular groove coaxial with the second transmission pipe is arranged at the driven end of the second transmission pipe, and the driving end and the driven end are oppositely arranged in the front-back direction; and the number of the first and second groups,
the coupler comprises an upper shell and a lower shell which are arranged in a semi-annular shape and extend in the front-back direction, openings of the upper shell and the lower shell face the first transmission pipe, the upper shell is fixedly connected with the lower shell, the inner side wall of the upper shell extends downwards to form two semi-arc-shaped upper raised lines which are arranged at intervals in the front-back direction, the inner side wall of the lower shell extends upwards to form two semi-arc-shaped lower raised lines which are arranged at intervals in the front-back direction, the two upper raised lines and the two lower raised lines are opposite to each other to form annular limiting strips, and the two annular limiting strips are respectively matched with the first annular groove and the second annular groove and are respectively buckled in the first annular groove and the second annular groove;
one side wall of the first annular groove is arranged in an inclined plane which inclines outwards, and the other side wall of the first annular groove is arranged in a vertical plane; one side wall of the second annular groove is an inclined plane which inclines outwards, and the other side wall of the second annular groove is a vertical plane.
2. The collective doffing driving pipe connecting structure of spinning frames as claimed in claim 1, wherein said first annular groove is provided in a vertical plane near a side wall of said second driving pipe.
3. The collective doffing drive tube connecting structure of spinning frames as claimed in claim 1, wherein said second annular groove is disposed adjacent to a side wall of said first drive tube in a vertical plane.
4. The collective doffing drive pipe connecting structure of spinning frames as claimed in claim 1, further comprising annular positioning sleeves, said annular positioning sleeves being laid on the driving end of said first drive pipe and the driven end of said second drive pipe, being located between said first annular groove and said second annular groove, and being sandwiched inside said upper shell and said lower shell.
5. The collective doffing driving pipe connecting structure of spinning frames as claimed in claim 1, wherein both ends of said upper case are respectively penetrated with upper through holes, both ends of said lower case are respectively penetrated with lower through holes opposite to said upper through holes, said upper through holes and said lower through holes are located on both sides of said first driving pipe, and screw members are passed through said upper through holes and said lower through holes to be engaged with nuts to fix said upper case and said lower case.
6. The collective doffing driving pipe connecting structure of spinning frames as claimed in claim 5, wherein said upper case has a plurality of said upper through holes provided at intervals in the front-rear direction at both ends thereof, respectively, and said lower case has a plurality of said lower through holes provided at intervals in the front-rear direction at both ends thereof, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716383.6U CN214142678U (en) | 2020-11-20 | 2020-11-20 | Collective doffing transmission pipe connecting structure of spinning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716383.6U CN214142678U (en) | 2020-11-20 | 2020-11-20 | Collective doffing transmission pipe connecting structure of spinning frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214142678U true CN214142678U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022716383.6U Active CN214142678U (en) | 2020-11-20 | 2020-11-20 | Collective doffing transmission pipe connecting structure of spinning frame |
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| Country | Link |
|---|---|
| CN (1) | CN214142678U (en) |
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- 2020-11-20 CN CN202022716383.6U patent/CN214142678U/en active Active
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