CN212455356U

CN212455356U - Locking device for main shaft of jacquard

Info

Publication number: CN212455356U
Application number: CN202020519467.8U
Authority: CN
Inventors: 郑庭贵
Original assignee: Quanzhou Dingfeng Knitting Machinery Co ltd
Current assignee: Quanzhou Dingfeng Knitting Machinery Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-02-02
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a jacquard machine main shaft locking device, including connecting sleeve, fastening nut and screw, the connecting sleeve suit is on the main shaft, is provided with screw thread face and smooth surface on the connecting sleeve, and has seted up the breach at the screw thread face middle part, the screw thread face and the smooth surface outside overlap respectively and are equipped with fastening nut and eccentric cover, and the connecting sleeve passes through fastening nut and installs on the main shaft, counter bore and second through-hole have been seted up on the fastening nut, and screw and first through-hole have been seted up on the eccentric cover, and fastening nut and eccentric cover pass through the mounting screw and be in the same place, the screw bottom is passed the second through-hole spiro union and is in the screw, and the screw top is located. This jacquard machine main shaft locking device, the structure sets up rationally, through setting up connecting sleeve, fastening nut and screw, makes main shaft and eccentric cover fixed together, through the spiro union mode installation, does not damage the main shaft, and convenient the dismantlement, connecting sleeve are located between main shaft and the eccentric cover, play the buffer function.

Description

Locking device for main shaft of jacquard

Technical Field

The utility model relates to a jacquard machine accessory technical field specifically is a locking device of jacquard machine main shaft.

Background

In the textile field, when a jacquard machine runs at a high speed, in order to prevent a main shaft of the jacquard machine from shaking, an eccentric sleeve is generally sleeved on the main shaft, a pin hole is formed in the eccentric sleeve, the main shaft is propped by a key pin penetrating through the pin hole, thereby achieving the purpose of locking the main shaft, but the key pin can be worn when the jacquard machine is in a high-speed operation state for a long time, the key pin can not lock the main shaft after being worn, therefore, the jacquard machine can not carry out correct jacquard, the normal work of the jacquard machine is influenced, the jacquard machine is usually reinforced by additionally arranging a plurality of pin holes and key pins, so that the abrasion of the key pins can be only delayed but can not be avoided, or the locking is carried out by additionally arranging the transmission shaft, but a through hole needs to be formed in the main shaft, and the transmission shaft and the main shaft are welded together, so that the operation is difficult, the disassembly is inconvenient, the main shaft is easy to damage, and the normal use of the jacquard machine can be influenced.

In order to solve the defects existing in the current market, the technology of improving the locking device of the main shaft of the jacquard machine is urgently needed, the safe operation of the main shaft of the jacquard machine can be better ensured, and the development of the textile industry is promoted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jacquard machine main shaft locking device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a jacquard machine main shaft locking device, includes connecting sleeve, fastening nut and screw, the connecting sleeve suit is on the main shaft, is provided with screw thread face and smooth surface on the connecting sleeve, and the screw thread face middle part has seted up the breach, the screw thread face and the smooth surface outside overlap respectively and are equipped with fastening nut and eccentric cover, and the connecting sleeve passes through fastening nut and installs on the main shaft, counter bore and second through-hole have been seted up on the fastening nut, screw and first through-hole have been seted up on the eccentric cover, and fastening nut and eccentric cover pass through the mounting screw and be in the same place, the screw bottom passes the second through-hole spiro union in the screw, and the screw top is located.

Preferably, the connecting sleeve comprises two thread surfaces and a smooth surface, the thread surfaces are symmetrically distributed at the upper end and the lower end of the smooth surface, the connecting sleeve is in a hollow cylindrical shape, and the side surface of the connecting sleeve is provided with a notch.

Preferably, the connecting sleeve is sleeved on the outer side of the main shaft and fixed on the main shaft through a fastening nut, the fastening nut is in threaded connection with the threaded surface, an eccentric sleeve is arranged between the fastening nut and the fastening nut, and the eccentric sleeve is located on the outer side of the smooth surface.

Preferably, the fastening nut is provided with counter bores and second through holes which are distributed at equal intervals, and the second through holes are located in the centers of the counter bores.

Preferably, the eccentric sleeve is disc-shaped, a first through hole in a circular shape is formed in the eccentric sleeve, the circle center of the first through hole is not located at the same position as that of the eccentric sleeve, screw holes are formed in the eccentric sleeve on the outer side of the circumference of the first through hole at equal intervals, and the screw holes correspond to the second through holes.

Preferably, the screw is inserted from the counter bore, penetrates through the second through hole and is in threaded connection with the screw hole, the head of the screw is sunk into the counter bore, and the screw is connected with the fastening nut and the eccentric sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: this jacquard machine main shaft locking device, the structure sets up rationally, through setting up adapter sleeve, fastening nut and screw, make main shaft and eccentric cover fixed together, through the spiro union mode installation, do not damage the main shaft, convenient dismantlement, adapter sleeve is located between main shaft and the eccentric cover, play buffer function, through setting up with the screw of main shaft syntropy, and the screwhead is located the counter bore, avoid causing the screw not hard up because of the main shaft rotates, the safe operation of assurance jacquard machine main shaft that can be better, promote textile industry's development.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic top view of the eccentric sleeve of the present invention;

FIG. 5 is a schematic top view of the structural fastening nut of the present invention;

fig. 6 is a schematic top view of the structural connecting sleeve of the present invention.

In the figure: 1. a connecting sleeve; 2. fastening a nut; 3. an eccentric sleeve; 4. a main shaft; 5. a screw; 6. a thread face; 7. a smooth surface; 8. a screw hole; 9. a first through hole; 10. a counter bore; 11. a second through hole; 12. and (4) a notch.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a locking device of a jacquard main shaft comprises a connecting sleeve 1, a fastening nut 2 and a screw 5, wherein the connecting sleeve 1 is sleeved on a main shaft 4, a threaded surface 6 and a smooth surface 7 are arranged on the connecting sleeve 1, a notch 12 is formed in the middle of the threaded surface 6, the connecting sleeve 1 is composed of two threaded surfaces 6 and one smooth surface 7, the threaded surfaces 6 are symmetrically distributed at the upper end and the lower end of the smooth surface 7, the connecting sleeve 1 is in a hollow cylindrical shape, the notch 12 is formed in the side surface of the connecting sleeve 1, the fastening nut 2 and an eccentric sleeve 3 are respectively sleeved on the outer sides of the threaded surface 6 and the smooth surface 7, the connecting sleeve 1 is arranged on the main shaft 4 through the fastening nut 2, the connecting sleeve 1 is positioned between the main shaft 4 and the eccentric sleeve 3 to play a role of buffering, the eccentric sleeve 3 is in a disc shape, a first through hole 9 in a circular shape is formed in the eccentric sleeve 3, and the circle center of, the eccentric sleeve 3 outside the circumference of the first through hole 9 is provided with screw holes 8 at equal intervals, the screw holes 8 correspond to the second through holes 11, the outer side of the main shaft 4 is sleeved with a connecting sleeve 1, the connecting sleeve 1 is fixed on the main shaft 4 through a fastening nut 2, the fastening nut 2 is screwed with a threaded surface 6, the eccentric sleeve 3 is arranged between the fastening nut 2 and the fastening nut 2, the eccentric sleeve 3 is positioned outside a smooth surface 7, the structure is reasonably arranged, the main shaft 4 and the eccentric sleeve 3 are fixed together through arranging the connecting sleeve 1, the fastening nut 2 and a screw 5, the main shaft 4 is installed in a screwed mode without damaging the main shaft 4 and is convenient to disassemble, the fastening nut 2 is provided with counter bores 10 and the second through holes 11, the eccentric sleeve 3 is provided with the screw holes 8 and the first through holes 9, the fastening nut 2 and the eccentric sleeve 3 are installed together through the screw 5, the fastening nut 2 is provided with the counter bores, and the second through hole 11 is located the counter bore 10 center department, the screw 5 bottom passes second through hole 11 spiro union in screw 8, the screw 5 top is located counter bore 10, screw 5 inserts from counter bore 10 and passes second through hole 11 and screw 8 spiro union together, the screw 5 head sinks in counter bore 10, screw 5 connects fastening nut 2 and eccentric cover 3, through setting up screw 5 with main shaft 4 syntropy, and screw 5 head is located counter bore 10, avoid causing screw 5 to become flexible because of main shaft 4 rotates, the safe operation of jacquard machine main shaft can be better guaranteed, the development of the textile industry is promoted.

The working principle is as follows: when using this jacquard spindle locking device, connecting sleeve 1 cover is established in the main shaft 4 outside, fastening nut 2 is in the same place with the 6 spiro couplings of helicoid of connecting sleeve 1, make breach 12 atress reduce, the internal diameter of connecting sleeve 1 reduces and fixes on main shaft 4, the cover is equipped with eccentric cover 3 on the smooth surface 7 of connecting sleeve 1 between fastening nut 2, screw 8 has been seted up on the eccentric cover 3, screw 5 links together fastening nut 2 and eccentric cover 3, when main shaft 4 rotates, eccentric cover 3 links with it, this is exactly the whole process of this jacquard spindle locking device work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a jacquard spindle locking device, includes connecting sleeve (1), fastening nut (2) and screw (5), its characterized in that: connecting sleeve (1) suit is on main shaft (4), is provided with flank of thread (6) and smooth surface (7) on connecting sleeve (1), and has seted up breach (12) in the middle part of flank of thread (6), flank of thread (6) and smooth surface (7) outside are equipped with fastening nut (2) and eccentric cover (3) respectively, and connecting sleeve (1) is installed on main shaft (4) through fastening nut (2), counter bore (10) and second through-hole (11) have been seted up on fastening nut (2), have seted up screw (8) and first through-hole (9) on eccentric cover (3), and fastening nut (2) and eccentric cover (3) are in the same place through screw (5) installation, screw (5) bottom is passed second through-hole (11) spiro union in screw (8), and screw (5) top is located counter bore (10).

2. The locking device of jacquard spindle according to claim 1, characterized in that: connecting sleeve (1) comprises two screw surfaces (6) and smooth surface (7), and screw surface (6) symmetric distribution is at the upper and lower both ends of smooth surface (7), and connecting sleeve (1) is hollow cylinder, offers breach (12) on connecting sleeve (1) side.

3. The locking device of jacquard spindle according to claim 1, characterized in that: the outer side of the main shaft (4) is sleeved with a connecting sleeve (1), the connecting sleeve (1) is fixed on the main shaft (4) through a fastening nut (2), the fastening nut (2) is in threaded connection with a threaded surface (6), an eccentric sleeve (3) is arranged between the fastening nut (2) and the fastening nut (2), and the eccentric sleeve (3) is located on the outer side of a smooth surface (7).

4. The locking device of jacquard spindle according to claim 1, characterized in that: the fastening nut (2) is provided with counter bores (10) and second through holes (11) which are distributed at equal intervals, and the second through holes (11) are located in the centers of the counter bores (10).

5. The locking device of jacquard spindle according to claim 1, characterized in that: the eccentric sleeve (3) is disc-shaped, a first through hole (9) in a circular shape is formed in the eccentric sleeve (3), the circle center of the first through hole (9) is not located at the same position as that of the eccentric sleeve (3), screw holes (8) are formed in the eccentric sleeve (3) on the outer side of the circumference of the first through hole (9) at equal intervals, and the screw holes (8) correspond to the second through holes (11).

6. The locking device of jacquard spindle according to claim 1, characterized in that: the screw (5) is inserted into the second through hole (11) from the counter bore (10) and is in threaded connection with the screw hole (8), the head of the screw (5) sinks into the counter bore (10), and the screw (5) is connected with the fastening nut (2) and the eccentric sleeve (3).