CN216304155U

CN216304155U - Wrist bending machine

Info

Publication number: CN216304155U
Application number: CN202123044566.9U
Authority: CN
Inventors: 黄磊波; 徐志文
Original assignee: Taizhou Yisuo Sewing Machine Co ltd
Current assignee: Taizhou Yisuo Sewing Machine Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-15
Anticipated expiration: 2031-12-03

Abstract

The utility model provides a wrist bending machine, and belongs to the technical field of sewing equipment. It has solved among the prior art to the not accurate problem of refueling of bent wrist machine sewing machine head inadequately. The bent wrist machine comprises a machine shell, wherein a sewing machine head and an upper shaft which is rotatably arranged in the machine shell and is in transmission connection with the sewing machine head are arranged in the machine shell, an oil feeder is arranged at the end part of the upper shaft, which extends out of the machine shell, the upper shaft is of a hollow structure, an oil supply channel is formed by the communication of the hollow part of the upper shaft and the oil feeder, and an oil guide pipe which can suck oil from the oil feeder and guide the oil to the sewing machine head is arranged in the oil supply channel. The utility model has the advantage of accurately and efficiently adding lubricating oil to the sewing machine head of the wrist bending machine.

Description

Wrist bending machine

Technical Field

The utility model belongs to the technical field of sewing equipment, and relates to a wrist bending machine.

Background

The wrist bending machine is also called a three-needle chain sewing machine, a three-needle rolling and sewing machine, an arm type double-thread ring sewing machine and the like. The special cantilever cylindrical structure is particularly suitable for lap-joint sewing of cylindrical parts such as sleeves and trousers. The existing wrist bending machine generally comprises a sewing machine head for sewing materials, a machine seat for supporting the sewing machine head, a machine base for pulling the materials and an upper shaft which is rotatably supported in the sewing machine head, wherein the sewing machine head is the part with the most frequent mechanical movement in the sewing process, if the sewing machine head can not be lubricated and cooled well, mechanical parts can be abraded seriously to cause the unstable operation of the crank machine and even cause the machine to stop, the oiling of the crank machine sewing machine head is mainly realized by arranging an oiling hole at the position of the shell corresponding to the sewing machine head, then the mode of artifical instil into lubricating oil in the tank filler hole refuels for sewing machine head, however, this kind of refueling mode adds the not good control of the volume of lubricating oil at every turn, and lubricating oil adds too little, is difficult to play good lubrication and cooling effect, and lubricating oil adds too much, and lubricating oil spills over the casing from the gap easily under the effect of gravity and causes the pollution of material or mesa.

Disclosure of Invention

The utility model aims to provide a wrist bending machine aiming at the problems in the prior art. The utility model solves the technical problem of how to accurately and efficiently add lubricating oil to a sewing machine head of a curved wrist machine.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a bent wrist machine, includes the casing, is provided with sewing machine head in the casing and rotationally sets up the upper shaft in the casing and be connected with sewing machine head transmission, its characterized in that, the tip that the upper shaft stretches out the casing is provided with the fuel feeder, the upper shaft is hollow structure, and the cavity department of upper shaft and fuel feeder intercommunication form fuel feeding channel, are provided with in the fuel feeding channel and can follow the fuel feeder and absorb and guide the oil pipe that draws to sewing machine head.

The upper shaft of the wrist bending machine extends out of the shell, an oil feeder for loading lubricating oil is arranged at the end part of the upper shaft extending out of the shell, the upper shaft is communicated with the oil feeder to form an oil supply channel, an oil guide pipe (made of oil absorption material) which can absorb oil from the oil feeder and guide the oil to the sewing machine head is arranged in the oil supply pipeline, the lubricating oil is continuously and slowly absorbed by the oil guide pipe from the oil feeder and guided to the sewing machine head to lubricate the sewing machine head, in addition, when the upper shaft rotates, the excessive lubricating oil sucked by the oil guide pipe in the oil supply channel can generate centrifugal action and be slowly thrown onto the sewing machine head, namely, when the wrist bending machine works, the excessive lubricating oil sucked by the oil guide pipe can be continuously and slightly added to the sewing machine head, and lubricating oil is not required to be dropped into the oil filling hole manually, so that the sewing machine head can be filled with oil more accurately and efficiently.

In the wrist bending machine, the oil guide pipe is made of felt. The oil guide pipe is made of felt, and the felt is made of oleophilic superfine fiber non-woven fabric, can quickly absorb oil which is dozens of times of the weight of the felt, does not absorb water, has the characteristics of small specific gravity, light weight, no deformation and looseness after oil absorption, no influence of temperature, acid and alkali resistance and no corrosion, and has better effect of absorbing the oil from the oil feeder and guiding the oil to the sewing machine head.

In the above wrist bending machine, the end of the upper shaft is further provided with a motor for driving the upper shaft to rotate, the motor comprises a stator and a rotor positioned inside the stator, the rotor is fixed at the end of the upper shaft, and a rotating gap is formed between the stator and the rotor.

In order to smoothly provide an oil supply channel between an upper shaft and an oil feeder, the wrist bending machine discards a common motor, creatively separates a rotor and a stator of the motor and directly fixes the rotor of the motor at the end part of the upper shaft.

In foretell bent wrist machine, be provided with the hold-in range cover on the casing, the hold-in range covers and is provided with the mounting panel, the stator is fixed on the mounting panel. The structure makes the structure of the wrist bending machine more compact.

In the bent wrist machine, the end of the upper shaft is further provided with a hand wheel device for adjusting the position of the needle head of the bent wrist machine, and the hand wheel device is respectively arranged adjacent to the stator and the oil feeder. The structure makes the structure of the wrist bending machine more compact.

In foretell bent wrist machine, the tip detachably of upper shaft is provided with the hand wheel installation axle that is used for setting up hand wheel device, oil feeder detachably sets up the tip at hand wheel installation axle. Compared with the traditional wrist bending machine, the wrist bending machine is additionally provided with the oil feeder and the motor, and the hand wheel mounting shaft is added, so that on one hand, the length of the upper shaft can be increased, and various components can be mounted conveniently; on the other hand, the upper shaft of the curved wrist machine is universal with the upper shaft of the traditional curved wrist machine, and the production cost is reduced.

In a curved wrist machine of foretell, the tip of fuel feeder is provided with the oil window that is used for observing inside lubricating oil reserves, the lateral part of fuel feeder is provided with refuels the screw. The oil window can be used for observing the internal lubricating oil reserve volume, and when the oil mass of oil feeder was less, can add the back with refueling screw, add lubricating oil to the oil feeder again.

In foretell bent wrist machine, the opening has been seted up to the tip of oil feeder and has been provided with at the opening part and be used for placing the mounting groove of oil window, the tip of oil feeder is provided with and is used for fixing the oil window clamp plate in the mounting groove with the oil window. The structure makes the oil feeder more convenient to disassemble and assemble, thereby making the oil feeder more convenient to clean.

In the wrist bending machine, the oil feeder is detachably connected with the upper shaft through threads. The structure makes the oil feeder more convenient to disassemble, assemble and clean.

In the wrist bending machine, a front cover in a long strip shape is arranged on the machine shell. The appearance that the protecgulum made this bent wrist machine is more pleasing to the eye, also can reduce the injury when operating personnel takes place to collide with.

Compared with the prior art, this bent wrist machine's advantage lies in: the bent wrist machine is provided with the oil feeder at the end part of the upper shaft extending out of the shell, the oil supply channel is arranged between the upper shaft and the oil feeder, and the oil guide pipe which can suck oil from the oil feeder and guide the oil to the sewing machine head is arranged in the oil supply channel, so that the oiling of the sewing machine head is more accurate and efficient.

Drawings

Fig. 1 is a schematic perspective view of the wrist bending machine.

Fig. 2 is an exploded view of the present wrist bending machine.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partial sectional view of the wrist bending machine.

In the figure, 1, a housing; 2. an upper shaft; 3. an oil supply passage; 4. an oil guide pipe; 6. a motor; 61. a stator; 62. a rotor; 7. a synchronous belt cover; 8. mounting a plate; 9. a front cover; 10. a hand wheel device; 11. installing a shaft by a hand wheel; 12. an oil feeder; 13. an oil window; 1. an oiling screw; 15. an opening; 16. mounting grooves; 17. oil window clamp plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

A crank machine, refer to fig. 1-4, including the chassis 1, set up the sewing machine head and upper shaft 2 rotatably set up in chassis 1 and connected with the transmission of sewing machine head in the chassis 1, characterized by that, the end that the said upper shaft 2 stretches out of the chassis 1 has oil feeders 12, the said upper shaft 2 is a hollow structure, and the hollow place of the upper shaft 2 communicates with oil feeder 12 and forms the oil supply channel 3, there is oil-leading pipe 4 that can suck oil from oil feeder 12 and lead to the sewing machine head in the oil supply channel 3; the oil lead pipe 4 of this embodiment is preferably made of felt.

Referring to fig. 1 and 2, the end of the upper shaft 2 is further provided with a motor 6 for driving the upper shaft to rotate, the motor 6 comprises a stator 61 and a rotor 62 positioned inside the stator 61, the rotor 62 is fixed at the end of the upper shaft 2, and a rotating gap is formed between the stator 61 and the rotor 62; a synchronous belt cover 7 is arranged on the machine shell 1, an installation plate 8 is arranged on the synchronous belt cover 7, and the stator 61 is fixed on the installation plate 8; the end part of the upper shaft 2 is also provided with a hand wheel device 10 for adjusting the needle position of the wrist bending machine, and the hand wheel device 10 is respectively arranged adjacent to the stator 61 and the oil feeder 12.

Referring to fig. 1, 2 and 3, an oil window 13 for observing the internal lubricating oil reserve is provided at the end of the oil feeder 12, and an oil filling screw 14 is provided at the side of the oil feeder 12; an opening 15 is formed in the end portion of the oil feeder 12, a mounting groove 16 for placing the oil window 13 is formed in the opening 15, and an oil window pressing plate 17 for fixing the oil window 13 in the mounting groove 16 is arranged at the end portion of the oil feeder 12. The oil feeder 12 is preferably detachably connected to the upper shaft 2 by a screw thread in this embodiment.

Referring to fig. 1 and 2, the casing 1 is provided with a front cover 9 having a long shape.

Example two

The second embodiment is substantially the same as the first embodiment, except that, referring to fig. 2 and 4, a hand wheel mounting shaft 11 for installing a hand wheel device 10 is detachably arranged at the end of the upper shaft 2, the oil feeder 12 is detachably arranged at the end of the hand wheel mounting shaft 11, and correspondingly, the hand wheel mounting shaft 11 is a hollow structure and communicates the oil feeder 12 with the hollow of the upper shaft 2, so as to ensure the installation of the oil guiding pipe 4.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a bent wrist machine, includes casing (1), is provided with in casing (1) sewing machine head and rotationally sets up upper shaft (2) in casing (1) and be connected with the sewing machine head transmission, its characterized in that, the tip that upper shaft (2) stretched out casing (1) is provided with fuel feeder (12), upper shaft (2) are hollow structure, and the cavity department of upper shaft (2) and fuel feeder (12) intercommunication form fuel feeding channel (3), are provided with in fuel feeding channel (3) and can absorb oil from fuel feeder (12) and guide to sewing machine head's oil guide pipe (4).

2. A crank machine according to claim 1, characterized in that the oil lead pipe (4) is made of felt.

3. The crank machine according to claim 1 or 2, wherein the end of the upper shaft (2) is further provided with a motor (6) for driving the upper shaft to rotate, the motor (6) comprises a stator (61) and a rotor (62) positioned inside the stator (61), the rotor (62) is fixed at the end of the upper shaft (2), and a rotating gap is formed between the stator (61) and the rotor (62).

4. A crank machine according to claim 3, characterized in that the casing (1) is provided with a synchronous belt cover (7), the synchronous belt cover (7) is provided with a mounting plate (8), and the stator (61) is fixed on the mounting plate (8).

5. The wrist bending machine according to claim 3, wherein a hand wheel device (10) for adjusting the position of the needle of the wrist bending machine is further mounted at the end of the upper shaft (2), and the hand wheel device (10) is respectively arranged adjacent to the stator (61) and the oil feeder (12).

6. The wrist bending machine according to claim 5, wherein a hand wheel mounting shaft (11) for arranging the hand wheel device (10) is detachably arranged at the end of the upper shaft (2), and the oil feeder (12) is detachably arranged at the end of the hand wheel mounting shaft (11).

7. A crank machine according to claim 1 or 2, characterized in that the end of the oil feeder (12) is provided with an oil window (13) for observing the internal lubricating oil reserve, and the side of the oil feeder (12) is provided with an oiling screw (14).

8. The wrist bending machine according to claim 7, wherein an opening (15) is formed in the end portion of the oil feeder (12), a mounting groove (16) for placing the oil window (13) is formed in the opening (15), and an oil window pressing plate (17) for fixing the oil window (13) in the mounting groove (16) is arranged at the end portion of the oil feeder (12).

9. The wrist bending machine according to claim 1 or 2, wherein the oil feeder (12) is detachably connected with the upper shaft (2) by threads.

10. A wrist bending machine according to claim 1 or 2, characterized in that the casing (1) is provided with a front cover (9) in the shape of an elongated strip.