CN218819562U

CN218819562U - Knife rest structure with long-acting lubrication

Info

Publication number: CN218819562U
Application number: CN202223419149.2U
Authority: CN
Inventors: 查显峰; 翁国才; 彭声东
Original assignee: Zhejiang Xinben Machinery Co ltd
Current assignee: Zhejiang Xinben Machinery Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-07
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a knife rest structure with long-term lubrication, including downthehole frame plate, downthehole frame plate upper end is connected with the pull rod device, and downthehole frame plate lower extreme is connected with carries the sword device, carry the sword device and include lubricated subassembly and lug assembly, lug assembly is connected the vacuole formation through relative pull rod piece and the lubricated subassembly of establishing, lug assembly includes the lug, and the lug top is equipped with the oil storage chamber, the oil storage chamber is square structure, and the oil storage chamber is located the cavity, is equipped with the second inlet port of intercommunication between oil storage chamber bottom and the lug, the lug lower extreme is equipped with the connecting seat, be equipped with the secondary shaft cover in the lug, secondary shaft cover both ends overcoat has second plastic bearing, second plastic bearing periphery and the laminating of lug inner wall. The utility model discloses an oil storage chamber that is equipped with on the lug can prolong plastic bearing's life, reduces the maintenance cost.

Description

Knife rest structure with long-acting lubrication

Technical Field

The utility model belongs to the technical field of weaving equipment, in particular to knife rest structure with long-term lubrication.

Background

The lifting knife driving mechanism of the known jacquard machine mainly drives a swing arm seat to reciprocate up and down through the rotation of a swing arm shaft, and a pull rod joint is fixed on a swing arm and is connected with a pull rod, and the pull rod is connected with lifting knife components such as a lifting knife rest, so that the lifting knife is driven to move.

At present, lifting lugs in the existing lifting knife assembly do not have an oil storage structure, a bearing is worn and loses efficacy after a long time, oil is often injected, the working efficiency is reduced, and the maintenance frequency is increased; on the other hand, in the shaft hole of the existing cast iron tool rest, the plastic bearing sleeved outside the shaft sleeve directly generates friction with the tool rest, the plastic bearing is directly abraded after the friction failure, the abrasion is irreversible, and the tool rest is scrapped, so that the maintenance cost is increased. The utility model provides a simple structure, lubricated effectual, long service life, low in maintenance cost's a knife rest structure with long-term lubrication.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simple structure, lubricated effectual, long service life, low in maintenance cost's a knife rest structure with long-term lubrication.

The utility model provides a knife rest structure with long-term lubrication, includes downthehole frame plate, and downthehole frame plate upper end is connected with the pull rod device, and downthehole frame plate lower extreme is connected with carries the sword device, carry the sword device and include lubricated subassembly and lug subassembly, lug subassembly is connected the vacuole formation through relative pull rod piece and the lubricated subassembly of establishing, lug subassembly includes the lug, and the lug top is equipped with the oil storage chamber, the oil storage chamber is square structure, and the oil storage chamber is located the cavity, is equipped with the second inlet port of intercommunication between oil storage chamber bottom and the lug, the lug lower extreme is equipped with the connecting seat, be equipped with the second shaft sleeve in the lug, second shaft sleeve both ends overcoat has second plastic bearing, and second plastic bearing periphery and lug inner wall laminating.

Preferably, downthehole frame plate is the trapezium, and downthehole frame plate upper end is equipped with two first shaft holes, and downthehole frame plate lower extreme is equipped with the second shaft hole of arranging in proper order, first shaft hole internal diameter is greater than second shaft hole internal diameter, and first shaft hole and second shaft hole outer edge all are equipped with the oiling cup.

Preferably, the pull rod device comprises an upper pull rod seat and a lower pull rod seat, the upper pull rod seat and the lower pull rod seat are fixedly connected through bolts, and the lower pull rod seat is connected with the first shaft hole through a roller bearing assembly.

Preferably, the lubricating device comprises a second shaft hole, a first shaft sleeve is arranged in the second shaft hole, first plastic bearings are sleeved outside two ends of the first shaft sleeve, a bushing is sleeved outside the first plastic bearings, and the periphery of the bushing is attached to the inner wall of the second shaft hole.

Preferably, the bushing is provided with a first oil inlet hole.

Preferably, the pull rod piece is provided with a first fixing hole and a second fixing hole, a first core shaft is arranged outside the first fixing hole, and the first core shaft is fixed on the inner wall of the first shaft sleeve through a first screw; and a second mandrel is arranged on the outer side of the second fixing hole and is fixed on the inner wall of the second shaft sleeve through a second screw.

Preferably, the connecting seat is provided with a connecting hole.

Preferably, the oil storage chamber, the connecting seat and the lifting lug are of an integrated structure.

The technical effects of the utility model are that:

1. through the bush, can prevent when the plastic bearing became invalid, can directly not wear the knife rest and lead to the knife rest to scrap, and this wearing and tearing are irreversible to can greatly reduced the maintenance cost.

2. Through the structure of oil storage chamber, under the condition that does not make overall structure change, can increase the oil reserve of lug to improve plastic bearing's in the lug life, reduce and maintain number of times and time, improved work efficiency.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of a structure of a tool holder with long-term lubrication according to the present invention;

fig. 2 is a schematic perspective view of a structure of a tool holder with long-acting lubrication according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the shelf plate in the hole of the utility model;

FIG. 4 isbase:Sub>A schematic cross-sectional view A-A of FIG. 2 according to the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the lifting lug assembly of the present invention.

In the figure: 1. frame plates in the holes; 5. a pull rod sheet; 11. a first shaft hole; 12. a second shaft hole; 13. an oil filling cup; 21. a pull rod upper seat; 22. a pull rod lower seat; 23. a bolt; 31. a first shaft sleeve; 32. a first plastic bearing; 33. a bushing; 34. a first mandrel; 35. a first screw; 41. lifting lugs; 42. a second shaft sleeve; 43. a second plastic bearing; 44. a second mandrel; 45. a second screw; 51. a first fixing hole; 52. a second fixing hole; 53. a cavity; 331. a first oil inlet hole; 411. an oil storage chamber; 412. a second oil inlet hole; 413. a connecting seat; 414. and (4) connecting the holes.

Detailed Description

The technical solution of this patent will be described in further detail with reference to the embodiments shown in fig. 1-5.

The utility model provides a knife rest structure with long-term lubrication, including downthehole frame plate 1, downthehole frame plate 1 upper end is connected with the pull rod device, downthehole frame plate lower extreme is connected with carries the sword device, carry the sword device and include lubricated subassembly and lug assembly, lug assembly is connected with lubricated subassembly through relative pull rod piece 5 and establish and forms cavity 53, lug assembly includes lug 41, lug 41 top is equipped with oil storage chamber 411, oil storage chamber 411 is square structure, oil storage chamber 411 is located cavity 53, be equipped with the second inlet port 412 of intercommunication between oil storage chamber 411 bottom and the lug 41, the lug lower extreme is equipped with connecting seat 413, be equipped with second axle sleeve 42 in lug 41, second axle sleeve 42 both ends overcoat has second plastic bearing 43, the laminating of second plastic bearing 43 periphery and lug 41 inner wall. The oil storage chamber 411, the connecting seat 413 and the lifting lug 41 are of an integral structure.

Downthehole frame plate 1 is the trapezium, and 1 upper end of downthehole frame plate is equipped with two

first shaft holes

11, and 1 lower extreme of downthehole frame plate is equipped with the second shaft hole 12 that arranges in proper order, and first shaft hole 11 internal diameter is greater than second shaft hole 12 internal diameter, and first shaft hole 11 and second shaft hole 12 outer edgewise all are equipped with oiling cup 13.

The pull rod device comprises a pull rod upper seat 21 and a pull rod lower seat 22, the pull rod upper seat 21 and the pull rod lower seat 22 are fixedly connected through a bolt 23, and the pull rod lower seat 22 is mutually connected with the first shaft hole 11 through a roller bearing assembly.

The lubricating component comprises a second shaft hole 12, a first shaft sleeve 31 is arranged in the second shaft hole 12, first plastic bearings 32 are sleeved at two ends of the first shaft sleeve 31, a bushing 33 is sleeved on the outer side of each first plastic bearing 32, and the periphery of each bushing 33 is attached to the inner wall of the second shaft hole 12. The bushing 33 is opened with a first oil inlet hole 331.

A first fixing hole 51 and a second fixing hole 52 are formed in the pull rod piece 5, a first mandrel 34 is arranged on the outer side of the first fixing hole 51, and the first mandrel 34 is fixed on the inner wall of the first shaft sleeve 31 through a first screw 35; the second spindle 44 is disposed outside the second fixing hole 52, and the second spindle 44 is fixed to the inner wall of the second bushing 42 by a second screw 45.

The connection seat 413 is provided with a connection hole 414.

The utility model discloses a theory of operation does: when the knife lifting swing arm connected with the upper end of the pull rod upper seat 21 moves, the frame plate 1 in the hole swings through a roller bearing assembly arranged between the first shaft hole 12 at the upper end and the lower end of the pull rod lower seat 22, when the frame plate 1 in the hole swings, the first plastic bearing 32 rotates in the second shaft hole 13, the bushing 33 is arranged between the second shaft hole 13 and the first plastic bearing 32, the second shaft hole 13 and the bushing 33 perform rotational friction, the first plastic bearing 32 performs rotational friction with the bushing 33, then the bushing 33 is provided with the first oil inlet hole 331, when oil is injected into the second shaft hole 13 from the oil injection cup 13, a lubricating effect can be achieved between the second shaft hole 13 and the bushing 33, the oil enters the first plastic bearing 32 and the first shaft sleeve 31 through the first oil inlet hole 331, so that the lubricating effect is achieved in the bushing 33, the service life of the frame plate 1 in the hole is prolonged, the bushing 33 is made of hardened bearing steel, and after the first plastic bearing 32 fails, the first screw 35 fixed on one side is unscrewed, so that the plastic bearing can be replaced in time, and the maintenance cost is reduced; and then through the oil storage chamber 412 that is equipped with in the lug 41 upper end, this oil storage chamber 412 establish with in the cavity 53, be equipped with the second inlet port 412 of intercommunication between oil storage chamber 412 bottom and the lug, oil gets into from oil storage chamber 412, rethread second inlet port 412 can lubricate the second plastic bearing 43 that is equipped with in the lug 41, after second plastic bearing 43 became invalid again, can unscrew second screw 45 and change, increase the oil storage capacity and can not only prolong the life of second plastic bearing 43, and can reduce the time of maintaining, and the work efficiency is greatly improved.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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 should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection; 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.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a knife rest structure with long-term lubrication, includes downthehole frame plate (1), and downthehole frame plate (1) upper end is connected with the pull rod device, and downthehole frame plate lower extreme is connected with carries sword device, its characterized in that: the utility model provides a cutter lifting device is including lubricated subassembly and lug subassembly, the lug subassembly is connected formation cavity (53) through relative pull rod piece (5) and the lubricated subassembly of establishing, the lug subassembly includes lug (41), and lug (41) top is equipped with oil storage chamber (411), oil storage chamber (411) are square structure, and oil storage chamber (411) are located cavity (53), are equipped with second inlet port (412) of intercommunication between oil storage chamber (411) bottom and lug (41), the lug lower extreme is equipped with connecting seat (413), be equipped with second bushing (42) in lug (41), second bushing (42) both ends overcoat has second plastic bearing (43), and second plastic bearing (43) periphery and lug (41) inner wall laminating.

2. A tool holder structure with long-term lubrication according to claim 1, wherein: downthehole frame plate (1) is the trapezium, and downthehole frame plate (1) upper end is equipped with two first shaft holes (11), and downthehole frame plate (1) lower extreme is equipped with second shaft hole (12) that arrange in proper order, first shaft hole (11) inner diameter is greater than second shaft hole (12) inner diameter, and first shaft hole (11) and second shaft hole (12) outer edgewise all are equipped with oiling cup (13).

3. A tool holder structure with long-term lubrication according to claim 1, wherein: the pull rod device comprises a pull rod upper seat (21) and a pull rod lower seat (22), the pull rod upper seat (21) and the pull rod lower seat (22) are fixedly connected through a bolt (23), and the pull rod lower seat (22) is connected with the first shaft hole (11) through a roller bearing assembly.

4. A tool holder structure with long-term lubrication according to claim 1, wherein: the lubricating component comprises a second shaft hole (12), a first shaft sleeve (31) is arranged in the second shaft hole (12), first plastic bearings (32) are sleeved at two ends of the first shaft sleeve (31), a bushing (33) is sleeved on the outer side of each first plastic bearing (32), and the periphery of each bushing (33) is attached to the inner wall of the second shaft hole (12).

5. A tool holder structure with long-term lubrication according to claim 4, wherein: the bush (33) is provided with a first oil inlet hole (331).

6. A tool holder structure with long-lasting lubrication according to claim 1, wherein: a first fixing hole (51) and a second fixing hole (52) are formed in the pull rod piece (5), a first mandrel (34) is arranged on the outer side of the first fixing hole (51), and the first mandrel (34) is fixed to the inner wall of the first shaft sleeve (31) through a first screw (35); and a second mandrel (44) is arranged on the outer side of the second fixing hole (52), and the second mandrel (44) is fixed on the inner wall of the second shaft sleeve (42) through a second screw (45).

7. A tool holder structure with long-term lubrication according to claim 1, wherein: the connecting seat (413) is provided with a connecting hole (414).

8. A tool holder structure with long-term lubrication according to claim 1, wherein: the oil storage chamber (411), the connecting seat (413) and the lifting lug (41) are of an integral structure.