CN215800340U

CN215800340U - Sewing machine with automatic belt cutting mechanism

Info

Publication number: CN215800340U
Application number: CN202122123995.9U
Authority: CN
Inventors: 韩春园
Original assignee: Jiangxi Jiahui Mechanical Equipment Co ltd
Current assignee: Jiangxi Jiahui Mechanical Equipment Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-11
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a sewing machine with an automatic belt cutting mechanism, which comprises a bottom plate, a machine head and a shell, wherein a limiting structure is arranged on one side of the top end of the bottom plate, a cutting mechanism is arranged on the other side of the top end of the bottom plate, a lifting mechanism is arranged on the top end of the bottom plate, the shell is arranged on the top end of the bottom plate, a sewing needle is arranged at the bottom end of the machine head, the limiting structure comprises a roller, a fixed block, a pressing plate, guide posts and a telescopic spring, the guide posts are all fixed on the top end of the bottom plate, the telescopic spring is sleeved on the outer side of each guide post, and the pressing plate is fixed at the bottom end of the telescopic spring. The cloth limiting device has the advantages that the pressing plate is pushed to move downwards through the telescopic spring, so that the idler wheel extrudes the cloth, the cloth is prevented from being disordered, meanwhile, the idler wheel rolls between the pressing plates, the friction force between the cloth and the idler wheel is reduced, the cloth is moved lightly, the cloth limiting function of the device is realized, the cloth is prevented from moving during sewing, the sewing precision of the device is prevented from being influenced, and the practicability of the device is improved.

Description

Sewing machine with automatic belt cutting mechanism

Technical Field

The utility model relates to the technical field of cloth spinning, in particular to a sewing machine with an automatic belt cutting mechanism.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewed, and the sewn stitches are tidy, beautiful, flat and firm, have high sewing speed and are convenient to use, are favored by people and are widely used;

chinese patent No. CN210002069U, announcement No. 2020, 01, 31, discloses a sewing machine, which comprises a sewing machine body, the sewing machine body is provided with: a sound collector for collecting and transmitting mixed noise near the sewing machine body; a sound generator for generating sound; and the sound collector and the sound generator are respectively connected with the processor. The processor can enable the sound generator to generate secondary sound which has the same frequency as the mixed noise and is opposite in phase, namely, the frequency of the secondary sound can be adjusted in real time along with the frequency change of the mixed noise, compared with noise reduction based on natural frequency in the prior art, the noise reduction effect of the whole sewing machine is better, and the comfort level of sewing workers can be improved. Moreover, compared with the noise reduction device for reducing noise by adding an elastic damping structure, the noise reduction device of the sewing machine is simple in structure;

the above prior art solutions have the following drawbacks; among the above-mentioned technical scheme, the device has the defect that be not convenient for limit the cloth position when using, makes the material can produce the displacement, influences the gap precision of device, leads to the practicality of device less than.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a sewing machine with an automatic belt cutting mechanism, which solves the problem that the position of cloth is not convenient to limit in the background technology.

(II) contents of utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the sewing machine with the automatic belt cutting mechanism comprises a base plate, a machine head and a shell, wherein a limiting structure is arranged on one side of the top end of the base plate, a cutting mechanism is arranged on the other side of the top end of the base plate, a lifting mechanism is arranged on the top end of the base plate, the shell is arranged on the top end of the base plate, a control plate is installed on one side of the shell, the machine head is fixed on one side of the shell, thread loading columns are installed on the top end of the machine head, a sewing needle is installed at the bottom end of the machine head, the limiting structure comprises idler wheels, a fixing block, a pressing plate, guide columns and telescopic springs, the guide columns are fixed on the top end of the base plate, the telescopic springs are sleeved on the outer side of the guide columns, and the pressing plate is fixed at the bottom ends of the telescopic springs.

Preferably, the bottom end of the pressing plate is fixed with a fixing block, and one side of the fixing block is provided with a roller.

Preferably, a rotating structure is formed between the roller and the fixed block, and a sliding structure is formed between the pressing plate and the guide post.

Preferably, cutting mechanism includes support frame, blade, electric telescopic handle and limiting plate, one side on bottom plate top is fixed to the support frame, electric telescopic handle is installed on the top of support frame, and electric telescopic handle's bottom mounting has the blade, the both sides of blade all are provided with the limiting plate.

Preferably, the limiting plates are symmetrically distributed on the vertical center of the blade, and the electric telescopic rod penetrates through the supporting frame to be connected with the blade.

Preferably, elevating system includes pneumatic push rod, cover shell, inner shell and guide bar, the top at the bottom plate is fixed to the inner shell, the inside of inner shell is provided with pneumatic push rod, and pneumatic push rod's both sides all are provided with the cover shell, the inside of cover shell is inserted and is equipped with the guide bar.

Preferably, the inner shell is provided with two groups, and the guide rod and the outer shell are in a welding integrated structure.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the sewing machine has reasonable structure and the following advantages:

(1) the pressing plate is pushed to move downwards by the telescopic spring, so that the idler wheel extrudes the cloth to prevent the cloth from being disordered, meanwhile, the idler wheel rolls between the pressing plates, the friction force between the cloth and the idler wheel is reduced, and the cloth is light and convenient to move, so that the cloth limiting function of the device is realized, the cloth is prevented from moving during sewing, the sewing precision of the device is prevented from being influenced, and the practicability of the device is improved;

(2) the blade is pushed to move downwards by the electric telescopic rod, so that the blade is contacted with the cloth to be cut off, the inclined knife edge can reduce the resistance of the blade to cut off the cloth, and the limiting plate prevents the blade from shaking during movement to influence the flatness of a cut, so that the cloth cutting function of the device is realized, the device can automatically cut off the cloth, the manual use is reduced, and the functionality of the device is improved;

(3) the shell is pushed to move upwards through the pneumatic push rod, the sewing needle is driven to adjust the height, meanwhile, the guide rod slides in the shell, the shell keeps balance when lifting, therefore, the height adjusting function of the device is achieved, and the applicability of the device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a front cross-sectional structure of the position limiting structure of the present invention;

FIG. 4 is a schematic side view of a cutting mechanism according to the present invention;

FIG. 5 is a schematic three-dimensional structure diagram of the cutting mechanism of the present invention.

The reference numerals in the figures illustrate: 1. a base plate; 2. a limiting structure; 201. a roller; 202. a fixed block; 203. pressing a plate; 204. a guide post; 205. a tension spring; 3. a sewing needle; 4. a cutting mechanism; 401. a support frame; 402. a blade; 403. an electric telescopic rod; 404. a limiting plate; 5. a machine head; 6. assembling a wire column; 7. a housing; 8. a control panel; 9. a lifting mechanism; 901. a pneumatic push rod; 902. a housing; 903. an inner shell; 904. a guide rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, an embodiment of the present invention is shown: a sewing machine with an automatic belt cutting mechanism comprises a base plate 1, a machine head 5 and a shell 7, wherein one side of the top end of the base plate 1 is provided with a limiting structure 2, the other side of the top end of the base plate 1 is provided with a cutting mechanism 4, the top end of the base plate 1 is provided with a lifting mechanism 9, the top end of the base plate 1 is provided with the shell 7, one side of the shell 7 is provided with a control plate 8, one side of the shell 7 is fixed with the machine head 5, the top ends of the machine head 5 are all provided with a thread loading column 6, the bottom end of the machine head 5 is provided with a sewing needle 3, the limiting structure 2 comprises rollers 201, fixed blocks 202, a pressing plate 203, guide columns 204 and telescopic springs 205, the guide columns 204 are all fixed at the top end of the base plate 1, the outer sides of the guide columns 204 are sleeved with telescopic springs 205, the pressing plate 203 is fixed at the bottom ends of the telescopic springs 205, the fixed blocks 202 are all fixed with the fixed blocks 202, the rollers 201 are installed at one side of the fixed blocks 202, and a rotating structure is formed between the rollers 201 and the fixed blocks 202, a sliding structure is formed between the pressing plate 203 and the guide columns 204, the moving route of the pressing plate 203 is limited by the guide columns 204, and the pressing plate 203 is prevented from being driven by the telescopic spring 205 to swing;

specifically, as shown in fig. 1, 2 and 3, when in use, the compression spring 205 is compressed to push the pressing plate 203 to move downwards, so that the pressing plate 203 pushes the roller 201 to extrude the cloth through the fixing block 202, the position of the cloth is limited to prevent the cloth from moving around, and the roller 201 rolls between the pressing plates 203, so that the friction force between the cloth and the roller 201 is reduced, and the cloth is light and convenient to move;

the cutting mechanism 4 comprises a support frame 401, a blade 402, an electric telescopic rod 403 and a limit plate 404, the support frame 401 is fixed on one side of the top end of the bottom plate 1, the top end of the support frame 401 is provided with the electric telescopic rod 403, the model of the electric telescopic rod 403 can be SKW-1-24, the input end of the electric telescopic rod 403 is electrically connected with the output end of the control plate 8 through a lead, the bottom end of the electric telescopic rod 403 is fixed with the blade 402, the limit plates 404 are arranged on two sides of the blade 402, the limit plates 404 are symmetrically distributed on the vertical center of the blade 402, the position of the blade 402 is limited through the two sets of limit plates 404, the blade 402 is prevented from swinging back and forth, the electric telescopic rod 403 penetrates through the support frame 401 to be connected with the blade 402, and the electric telescopic rod 403 can push the blade 402 to move downwards;

specifically, as shown in fig. 1 and fig. 2, when in use, the electric telescopic rod 403 is started, so that the electric telescopic rod 403 pushes the blade 402 to move downwards, the blade 402 is in contact with the cloth to cut the cloth, meanwhile, the inclined edge of the blade 402 can reduce the resistance of the blade 402 to cut the cloth, and the limiting plates 404 are placed on two sides of the blade 402 to limit the moving position of the blade 402, so that the blade 402 is prevented from shaking during moving and affecting the flatness of the cut;

the lifting mechanism 9 comprises a pneumatic push rod 901, a sleeve shell 902, an inner shell 903 and a guide rod 904, wherein the inner shell 903 is fixed at the top end of the bottom plate 1, the pneumatic push rod 901 is arranged inside the inner shell 903, the type of the pneumatic push rod 901 can be J64RT2UNIVER, the input end of the pneumatic push rod 901 is electrically connected with the output end of the control plate 8 through a lead, the sleeve shells 902 are arranged on two sides of the pneumatic push rod 901, the guide rod 904 is inserted into the sleeve shell 902, the inner shell 903 is provided with two groups, the guide rod 904 and the outer shell 7 are in a welding integrated structure, and the guide rod 904 and the outer shell 7 are connected firmly and are not easy to break;

specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in use, the control panel 8 controls the pneumatic push rod 901 to be activated, so that the pneumatic push rod 901 pushes the housing 7 to move upwards, thereby driving the sewing needle 3 to adjust the height, and at the same time, the housing 7 drives the guide rod 904 to slide in the interior of the casing 902, so that the housing 7 keeps balance during lifting.

The working principle is as follows: when the device is used, the device is externally connected with a power supply, firstly, the device is installed in a use area, cloth is placed at the bottom of a sewing needle 3, the device is started to operate through a control panel 8, the cloth of the sewing needle 3 is sewn, a pressing plate 203 is pushed to move downwards through a compressed telescopic spring 205, the pressing plate 203 pushes a roller 201 to extrude the cloth through a fixed block 202, the position of the cloth is limited to prevent the cloth from being disordered, meanwhile, the roller 201 rolls between the pressing plate 203, the friction force between the cloth and the roller 201 is reduced, the cloth is light and convenient to move, and the limitation on the position of the cloth is completed;

secondly, after the cloth is sewn, the electric telescopic rod 403 is started, so that the electric telescopic rod 403 pushes the blade 402 to move downwards, the blade 402 is in contact with the cloth to be cut off, meanwhile, the resistance of the blade 402 for cutting off the cloth can be reduced due to the inclined edge of the blade 402, the limiting plates 404 are placed on two sides of the blade 402 to limit the moving position of the blade 402, the blade 402 is prevented from shaking during moving, the flatness of a cut is prevented from being influenced, and the cloth is cut off;

finally, when the distance between the sewing needle 3 and the cloth is inconvenient to sew, the control panel 8 controls the pneumatic push rod 901 to start, so that the pneumatic push rod 901 pushes the shell 7 to move upwards, the sewing needle 3 is driven to adjust the height, meanwhile, the shell 7 drives the guide rod 904 to slide in the shell 902, the shell 7 keeps balance when being lifted, the height of the device is adjusted, and the use work of the sewing machine with the automatic strap cutting mechanism is finally finished.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a sewing machine with automatically, cut belting, includes bottom plate (1), aircraft nose (5) and shell (7), its characterized in that: a limiting structure (2) is arranged on one side of the top end of the bottom plate (1), a cutting mechanism (4) is arranged on the other side of the top end of the bottom plate (1), a lifting mechanism (9) is arranged on the top end of the bottom plate (1), and a shell (7) is arranged on the top end of the bottom plate (1);

a control panel (8) is installed on one side of the shell (7), and a machine head (5) is fixed on one side of the shell (7);

dress line post (6) are all installed on the top of aircraft nose (5), sewing needle (3) are installed to the bottom of aircraft nose (5), limit structure (2) are including gyro wheel (201), fixed block (202), clamp plate (203), guide post (204) and expanding spring (205), the top at bottom plate (1) is all fixed in guide post (204), the outside cover of guide post (204) is equipped with expanding spring (205), and the bottom mounting of expanding spring (205) has clamp plate (203).

2. The sewing machine with an automatic strap cutting mechanism as claimed in claim 1, wherein: the bottom of clamp plate (203) all is fixed with fixed block (202), and one side of fixed block (202) is installed gyro wheel (201).

3. The sewing machine with an automatic strap cutting mechanism as claimed in claim 2, characterized in that: a rotating structure is formed between the roller (201) and the fixed block (202), and a sliding structure is formed between the pressing plate (203) and the guide column (204).

4. The sewing machine with an automatic strap cutting mechanism as claimed in claim 1, wherein: cutting mechanism (4) include support frame (401), blade (402), electric telescopic handle (403) and limiting plate (404), one side on bottom plate (1) top is fixed in support frame (401), electric telescopic handle (403) are installed on the top of support frame (401), and the bottom mounting of electric telescopic handle (403) has blade (402), the both sides of blade (402) all are provided with limiting plate (404).

5. The sewing machine with an automatic strap cutting mechanism of claim 4, wherein: the limiting plates (404) are symmetrically distributed on the vertical center of the blade (402), and the electric telescopic rod (403) penetrates through the supporting frame (401) and is connected with the blade (402).

6. The sewing machine with an automatic strap cutting mechanism as claimed in claim 1, wherein: elevating system (9) are including pneumatic push rod (901), cover shell (902), inner shell (903) and guide bar (904), the top at bottom plate (1) is fixed in inner shell (903), the inside of inner shell (903) is provided with pneumatic push rod (901), and the both sides of pneumatic push rod (901) all are provided with cover shell (902), the inside of cover shell (902) is inserted and is equipped with guide bar (904).

7. The sewing machine with an automatic strap cutting mechanism of claim 6, wherein: the inner shell (903) is provided with two groups, and a welding integrated structure is formed between the guide rod (904) and the outer shell (7).