CN216264962U

CN216264962U - Knife sharpener for cloth cutting machine

Info

Publication number: CN216264962U
Application number: CN202122700532.4U
Authority: CN
Inventors: 余孝彪; 纪丽红
Original assignee: Quanzhou Ensman Cutting Equipment Co ltd
Current assignee: Quanzhou Ensman Cutting Equipment Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a knife sharpener for a cloth cutting machine, and belongs to the technical field of cloth cutting machines. The bearing of cloth cutting machine sharpener includes first bearing and second bearing, and the inside one side embedding of mounting groove is fit with and is connected with first bearing, and the inside first bearing side position department that is located of mounting groove installs the second bearing, and adjacent limit portion closely laminates between first bearing and the second bearing, the inboard one side embedding of keeping away from the bearing frame of threaded rod is fit with and is connected with the third bearing. According to the utility model, the first bearing and the second bearing are arranged in the bearing block, and the third bearing is arranged in the threaded rod, so that the connection and rotation of the middle shaft are facilitated through the three bearings, the first bearing and the second bearing are arranged at the front end of the middle shaft, and the third bearing is arranged at the tail end of the middle shaft, so that the noise is increased due to the friction generated between the middle shaft and the bearing block during high-speed rotation through the rotating mechanism of the multi-bearing, and the situations of tail flicking and locking can be effectively prevented.

Description

Knife sharpener for cloth cutting machine

Technical Field

The utility model belongs to the technical field of cloth cutting machines, and particularly relates to a knife sharpener of a cloth cutting machine.

Background

The cloth cutting machine sharpener is a mechanism for polishing the cutting knife of the cloth cutting machine, and the grinding wheel of the sharpener is used for polishing the cutting knife of the cloth cutting machine; the grinding wheel of the existing knife sharpener is adhered to the middle shaft in an adhering mode, when the grinding wheel is flat and needs to be replaced, the grinding wheel and the middle shaft can only be replaced together, and the cost is high; meanwhile, only one bearing is arranged in a bearing seat of the existing knife sharpener, and the bearing seat is arranged at the front end close to a grinding wheel, so that when the knife sharpener rotates at a high speed, the tail of a middle shaft can rub with the bearing seat, the noise is high, and the phenomenon of blocking is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a knife sharpener of a cloth cutting machine.

In order to achieve the purpose, the utility model provides the following technical scheme: a knife sharpener of a cloth cutting machine comprises a bearing seat, wherein one end of the bearing seat is connected with a threaded rod with a surface provided with fine threads, the center position of the inner side of the bearing seat is embedded and matched with a middle shaft, and one end of the inner side of the bearing seat, which is far away from the threaded rod, is provided with a mounting groove for mounting a bearing;

the bearing includes first bearing and second bearing, and the inside one side embedding of mounting groove is agreed with and is connected with first bearing, and the inside first bearing side position department that is located of mounting groove installs the second bearing, and adjacent limit portion closely laminates between first bearing and the second bearing, the inboard one side embedding of keeping away from the bearing frame of threaded rod is agreed with and is connected with the third bearing.

Preferably, a connecting gear is fixedly sleeved at the position, close to the end part of the middle shaft and the second bearing, the middle shaft penetrates through the connecting gear to be fixedly connected with a connecting shaft for mounting a grinding wheel, and the grinding wheel is detachably connected with the connecting shaft;

the middle shaft penetrates through the second bearing, the first bearing, the bearing seat, the threaded rod and the third bearing in sequence.

Preferably, a step surface is arranged on the outer side of the middle shaft, one end of the middle shaft, which is located on the step surface, is inserted into the threaded rod, the end of the middle shaft is embedded and connected into the third bearing in a matching manner, the other end of the middle shaft, which is located on the step surface, is connected to the inner side of the bearing seat, and the outer wall of the middle shaft is respectively connected to the centers of the first bearing and the second bearing in a matching manner.

Preferably, the specifications of the first bearing and the second bearing are the same, the sum of the thicknesses of the first bearing and the second bearing is equal to the depth of the mounting groove, and the outer walls of the first bearing and the second bearing are tightly attached to the inner wall of the mounting groove.

Preferably, the end of the threaded rod is provided with a fitting groove, the fitting groove is fitted with the third bearing, and the edge of the third bearing is tightly embedded in the fitting groove.

Preferably, the connecting shaft is internally provided with a screw hole, and the grinding wheel is connected with the screw hole in the connecting shaft through a mounting screw in a threaded manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first bearing and the second bearing are arranged in the bearing block, the third bearing is arranged in the threaded rod, so that the connection and rotation of the middle shaft are facilitated through the three bearings, the first bearing and the second bearing are arranged at the front end of the middle shaft, and the third bearing is arranged at the tail end of the middle shaft, so that the noise is increased by friction generated between the middle shaft and the bearing block during high-speed rotation through the rotating mechanism of the multi-bearing, and the situations of tail flicking and locking can be effectively prevented.

2. According to the utility model, the mounting mode of the grinding wheel is changed through the connecting shaft and the screw hole, and the mounting mode that the traditional grinding wheel is fixedly connected with the bearing seat through bonding is replaced, so that the single grinding wheel can be timely disassembled and replaced when the grinding wheel needs to be replaced after being ground flat, the production cost is saved, meanwhile, the mounting mode is convenient to operate, the labor intensity of grinding wheel replacement is reduced, and the cloth cutting machine can be conveniently and quickly recovered to normal work.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a mounting structure of a third bearing according to the present invention;

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

reference numbers in the figures: 1. a bearing seat; 2. a threaded rod; 3. a middle shaft; 4. mounting grooves; 5. a first bearing; 6. a second bearing; 7. a third bearing; 8. a connecting gear; 9. a connecting shaft; 10. a screw hole; 11. and (5) grinding wheels.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the utility model provides a technical scheme, a knife sharpener of a cloth cutting machine, which comprises a bearing seat 1, wherein one end of the bearing seat 1 is connected with a threaded rod 2 with a surface provided with fine threads, the threads on the outer side of the threaded rod 2 in the prior art are coarse threads, a middle shaft 3 is embedded and matched at the central position of the inner side of the bearing seat 1, and one end of the inner side of the bearing seat 1, which is far away from the threaded rod 2, is provided with a mounting groove 4 for mounting a bearing;

the bearing includes first bearing 5 and second bearing 6, the inside one side embedding of mounting groove 4 agrees with to be connected with first bearing 5, the inside first bearing 5 one side position department that is located of mounting groove 4 installs second bearing 6, the specification of first bearing 5 and second bearing 6 is the same, the sum of both thicknesses equals with the degree of depth of mounting groove 4, and the outer wall of first bearing 5 and second bearing 6 all closely laminates with the inner wall of mounting groove 4, it guarantees axis 3 pivoted stability to make things convenient for through first bearing 5 and second bearing 6, be convenient for restrict the mounted position of first bearing 5 and second bearing 6 simultaneously, adjacent limit portion closely laminates between first bearing 5 and the second bearing 6, the inboard one side embedding of keeping away from bearing frame 1 of threaded rod 2 agrees with to be connected with third bearing 7, axis 3 runs through in second bearing 6 in proper order, first bearing 5, bearing frame 1, The threaded rod 2 and the third bearing 7 are convenient for ensuring the stability of the middle shaft 3 during rotation through the second bearing 6, the first bearing 5 and the third bearing 7 and simultaneously preventing the middle shaft 3 from drifting and locking during rotation, a step surface is arranged on the outer side of the middle shaft 3, one end of the middle shaft 3, which is positioned on the step surface, is inserted into the threaded rod 2, the end part of the middle shaft 3 is embedded and connected in the third bearing 7 in a matching way, the other end of the middle shaft 3, which is positioned on the step surface, is connected to the inner side of the bearing block 1, the outer wall of the middle shaft 3 is respectively connected in the centers of the first bearing 5 and the second bearing 6 in a matching way, so that the middle shaft 3 can be conveniently inserted and installed, the middle shaft 3 has higher limiting capacity after being connected between the bearing block 1 and the threaded rod 2, a matching groove is formed in the end part of the threaded rod 2 and matched with the third bearing 7, and the edge part of the third bearing 7 is tightly embedded in the matching groove, the mounting position of the third bearing 7 is conveniently limited, and the stability of the mounting position of the third bearing 7 is further ensured;

the fixed cover in the neighbouring department of 3 tip on axis and second bearing 6 is equipped with connecting gear 8, and axis 3 passes connecting gear 8 and links firmly with the connecting axle 9 that is used for installing emery wheel 11, emery wheel 11 is little emery wheel, can dismantle between emery wheel 11 and the connecting axle 9 and be connected, connecting axle 9 is inside has seted up screw hole 10, emery wheel 11 passes through threaded connection between installation screw and the inside screw hole 10 of connecting axle 9, make things convenient for being connected and dismantling between emery wheel 11 and the connecting axle 9, and then conveniently carry out quick convenient dismantlement to emery wheel 11, be convenient for change it.

The working principle and the using process of the utility model are as follows: in the actual assembly process of the cloth cutter sharpener, a first bearing 5 and a second bearing 6 are fixedly clamped in a mounting groove 4 in a bearing seat 1 in sequence, the first bearing 5 and the second bearing 6 can be extruded through the end part of a middle shaft 3 during mounting, and the first bearing 5 and the second bearing 6 can be more conveniently inserted into the bearing seat 1;

after the first bearing 5 and the second bearing 6 are installed, one end of the middle shaft 3, which is far away from the connecting shaft 9, is inserted from the second bearing 6, the middle shaft 3 is sequentially inserted into the second bearing 6, the first bearing 5, the bearing seat 1 and the threaded rod 2, after a connecting gear 8 on one side of the middle shaft 3 is contacted with the edge of the second bearing 6, the middle shaft 3 is stopped from being continuously inserted, at the moment, the third bearing 7 is inserted into the outer side of the middle shaft 3, the third bearing 7 is embedded into the inner side of the threaded rod 2, and finally, the grinding wheel 11 is fixedly connected with a screw hole 10 in the connecting shaft 9 through screwing of a mounting screw on the end part of the grinding wheel, so that the knife sharpener can be assembled;

in the application process, the middle shaft 3 can stably rotate at a high speed through the three-bearing mechanism consisting of the first bearing 5, the second bearing 6 and the third bearing 7, so that friction between the middle shaft 3 and the inner wall of the bearing seat 1 during rotation is avoided, noise is prevented, the situations of tail flicking and locking of the middle shaft 3 during high-speed rotation are prevented, and the middle shaft 3 and the grinding wheel 11 can be ensured to stably realize knife sharpening operation;

when 11 surfaces of the grinding wheel are ground flat and need to be replaced, only the grinding wheel 11 needs to be rotated to detach the end part of the grinding wheel from the connecting shaft 9, and in this way, the grinding wheel 11 is independently installed and detached to be replaced, so that the production cost is saved, and meanwhile, the detaching and replacing speed of the grinding wheel 11 is also improved to a great extent by the convenient and fast detaching and installing mode, so that the cloth cutting machine can be more quickly recovered to normal work.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 cloth cutting machine sharpener, includes bearing frame (1), its characterized in that: one end of the bearing seat (1) is connected with a threaded rod (2) with a fine thread on the surface, a middle shaft (3) is embedded and matched at the center position of the inner side of the bearing seat (1), and a mounting groove (4) for mounting a bearing is formed in one end of the inner side of the bearing seat (1) far away from the threaded rod (2);

the bearing includes first bearing (5) and second bearing (6), and the inside one side embedding of mounting groove (4) agrees with to be connected with first bearing (5), and the inside department that is located one side of first bearing (5) of mounting groove (4) installs second bearing (6), and adjacent limit portion closely laminates between first bearing (5) and second bearing (6), the inboard one side embedding of keeping away from bearing frame (1) of threaded rod (2) agrees with to be connected with third bearing (7).

2. The cloth cutter sharpener of claim 1, characterized in that: a connecting gear (8) is fixedly sleeved at the position, close to the end part of the middle shaft (3) and the second bearing (6), the middle shaft (3) penetrates through the connecting gear (8) to be fixedly connected with a connecting shaft (9) for mounting a grinding wheel (11), and the grinding wheel (11) is detachably connected with the connecting shaft (9);

the middle shaft (3) sequentially penetrates through the second bearing (6), the first bearing (5), the bearing seat (1), the threaded rod (2) and the third bearing (7).

3. The cloth cutter sharpener of claim 1, characterized in that: the outer side of the middle shaft (3) is provided with a step surface, one end of the middle shaft (3) positioned on the step surface is inserted into the threaded rod (2), the end part of the middle shaft is embedded and connected into the third bearing (7) in a matching manner, the other end of the middle shaft (3) positioned on the step surface is connected to the inner side of the bearing seat (1), and the outer wall of the middle shaft (3) is respectively connected to the centers of the first bearing (5) and the second bearing (6) in a matching manner.

4. The cloth cutter sharpener of claim 1, characterized in that: the specifications of the first bearing (5) and the second bearing (6) are the same, the sum of the thicknesses of the first bearing and the second bearing is equal to the depth of the mounting groove (4), and the outer walls of the first bearing (5) and the second bearing (6) are tightly attached to the inner wall of the mounting groove (4).

5. The cloth cutter sharpener of claim 1, characterized in that: the end part of the threaded rod (2) is provided with a fit groove, the fit groove is matched with the third bearing (7), and the edge part of the third bearing (7) is tightly embedded in the fit groove.

6. The cloth cutter sharpener of claim 2, characterized in that: the grinding wheel is characterized in that a screw hole (10) is formed in the connecting shaft (9), and the grinding wheel (11) is connected with the screw hole (10) in the connecting shaft (9) through a mounting screw in a threaded mode.