CN215209505U

CN215209505U - Novel seat leather cuts device

Info

Publication number: CN215209505U
Application number: CN202022861584.5U
Authority: CN
Inventors: 陈红丽
Original assignee: Anji Lensun Furniture Co ltd
Current assignee: Anji Lensun Furniture Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-12-17
Anticipated expiration: 2030-12-03

Abstract

The utility model provides a novel seat leather cuts device belongs to the leather and tailors technical field. A novel seat leather cutting device comprises a workbench, wherein a feeding mechanism for conveying leather, a cutting mechanism for cutting the leather and an X-axis displacement mechanism for driving the cutting mechanism to move in an X-axis direction are arranged on the workbench; the cutting mechanism comprises a puncture needle fixing frame, a leather puncture needle, a first connecting rod, a second connecting rod fixedly connected with the first connecting rod, a reset spring, a spring limiting block and a driving assembly, and a cutting assembly is fixedly arranged at the lower end of the outer wall of the puncture needle fixing frame. The utility model discloses be provided with and cut the mechanism, a motor drive eccentric wheel rotates, and the leather pjncture needle is round trip movement about the drive of eccentric wheel, adopts the mode of punching at a high speed earlier to avoid the leather fracture, recycles the blade among the cutting assembly and cuts, has effectively guaranteed notched planarization, makes things convenient for the further processing of sewing up in later stage.

Description

Novel seat leather cuts device

Technical Field

The utility model relates to a technical field is tailor to the leather, concretely relates to novel seat leather cuts device.

Background

The Chinese leather industry covers the main industries of leather making, shoes making, leather clothes, leather products, seat leather pads, products thereof and the like, and the leather usage amount is huge. At present, leather processing enterprises basically cut leather in a manual or small-quantity mechanical equipment auxiliary mode, and the original cutting mode has the advantages of low leather utilization rate, high labor intensity of workers and higher cost. With the gradual reduction of skilled workers and the continuous rise of labor cost, a high-speed and efficient leather cutting device is needed.

Therefore, a leather cutting device for the seat cushion of the swivel chair is urgently needed to be designed, and the cutting efficiency is improved. For example chinese patent CN 108728586 a provides a device is tailor to swivel chair cushion leather, which comprises a base, the scale mark, the protection piece, gear and filter screen, the lower terminal surface of base is provided with the rubber pad, the scale mark sets up the edge at the box, the internally mounted who leads to the groove has the cutting knife, and the bottom of cutting knife and the up end interconnect of rack, the protection piece sets up the inner wall at the box, the gear is installed in the below of rack, and the inside of gear is provided with the connecting axle, and the motor is installed to the end department of connecting axle, the filter screen sets up the top at the base, and the internally mounted of base has the dust collection box.

The above described device still suffers from the following disadvantages: 1. the device directly adopts the cutting knife to cut the leather, can not ensure the smoothness of the cut, even has the phenomenon of cracking of the leather, can not ensure the cutting precision when the cutting device cuts at high speed, and further reduces the utilization rate of the leather; 2. the device structure is complicated, has not only improved the processing cost, has increased manual operation's the degree of difficulty moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to improve the efficiency of leather cutting, to the not enough of above-mentioned prior art, provide a novel seat leather cuts device.

The utility model provides a leather cutting device for a cushion of a swivel chair, wherein a feeding mechanism for conveying leather, a cutting mechanism for cutting the leather and an X-axis displacement mechanism for driving the X-axis axial movement of the cutting mechanism are arranged on a workbench; the cutting mechanism comprises a puncture needle fixing frame, a leather puncture needle arranged at the lower end of the puncture needle fixing frame, a first connecting rod fixedly connected with the leather puncture needle and located inside the puncture needle fixing frame, a second connecting rod fixedly connected with the first connecting rod, a reset spring sleeved at the upper end of the first connecting rod, a spring limiting block located at the lower end of the reset spring, and a driving assembly for driving the second connecting rod to move, wherein the lower end of the outer wall of the puncture needle fixing frame is fixedly provided with a cutting assembly.

Preferably, the driving assembly comprises an eccentric wheel movably connected with the leather puncture needle and a first motor for driving the eccentric wheel to rotate.

Preferably, a speed reducer is arranged between the first motor and the eccentric wheel.

Preferably, a plurality of limiting rings sleeved on the outer ring of the first connecting rod are fixedly arranged in the puncture needle fixing frame.

Preferably, the number of the spacing rings is 2.

Preferably, the cutting assembly comprises a knife rest fixedly arranged on the outer wall of the puncture needle fixing frame and an arc-shaped shearing knife fixedly arranged at the bottom of the knife rest, and an arc-shaped cutting edge is arranged on the arc-shaped shearing knife.

Preferably, a plurality of heat dissipation holes are formed around the arc-shaped blade.

Preferably, the feeding mechanism comprises a feeding roller for conveying the leather, a bearing seat rotatably connected with two ends of the feeding roller, and a second motor for driving the feeding roller to move, and the feeding roller is rotatably connected with the bearing seat through a bearing.

Preferably, the X-axis displacement mechanism comprises an X-axis moving track arranged above the workbench, a moving block movably connected with the X-axis moving track, and a transmission assembly driving the moving block to move, and the moving block is fixedly connected with the puncture needle fixing frame.

Preferably, the transmission assembly comprises a rack fixedly connected with one side of the X-axis moving track, a gear fixedly connected with the moving block, and a third motor for driving the gear to move, and the gear and the rack are in meshing transmission.

The utility model discloses a novel seat leather cuts device has following beneficial effect:

1. the utility model discloses be provided with and cut the mechanism, a motor drive eccentric wheel rotates, and the leather pjncture needle is round trip movement about the drive of eccentric wheel, adopts the mode of punching at a high speed earlier to avoid the leather fracture, recycles the blade among the cutting assembly and cuts, has effectively guaranteed notched planarization, makes things convenient for the further processing of sewing up in later stage.

2. The utility model discloses a gear and rack mesh the transmission, have not only improved transmission efficiency, have still effectively guaranteed the stationarity of leather cutting.

3. The utility model discloses a feeding mechanism realizes the automatic conveying of leather, has increased the cutting efficiency of leather, has reduced intensity of labour, has improved labor efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a novel seat leather cutting device according to an embodiment of the present invention.

Fig. 2 is an internal structure diagram of the cutting mechanism according to the embodiment of the present invention.

Fig. 3 is a right side view of the cutting mechanism according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an X-axis displacement mechanism according to an embodiment of the present invention.

In the figure, 1, a workbench; 2. a feeding mechanism; 201. a feed roller; 202. a second motor; 203. a bearing seat; 3. a cutting mechanism; 301. a puncture needle holder; 302. an eccentric wheel; 303. a second connecting rod; 304. a return spring; 305. a spring stopper; 306. a first connecting rod; 307. a limiting ring; 308. a leather puncture needle; 309. a first motor; 310. a tool holder; 310a, heat dissipation holes; 311. an arc-shaped shearing knife; 311a, arc-shaped blade; 312. a speed reducer; 4. an X-axis displacement mechanism; 401. an X-axis moving track; 402. a moving block; 403. a third motor; 404. a gear; 405. a rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The first embodiment is as follows: as shown in fig. 1-3, which is only one embodiment of the present invention, a novel seat leather cutting device comprises a workbench 1, wherein a feeding mechanism 2 for conveying leather, a cutting mechanism 3 for cutting leather, and an X-axis displacement mechanism 4 for driving the cutting mechanism 3 to move axially are arranged on the workbench 1; the cutting mechanism 3 comprises a puncture needle fixing frame 301, a leather puncture needle 308 arranged at the lower end of the puncture needle fixing frame 301, a first connecting rod 306 fixedly connected with the leather puncture needle 308 and positioned inside the puncture needle fixing frame 301, a second connecting rod 303 fixedly connected with the first connecting rod 306, a reset spring 304 sleeved on the outer ring of the upper end of the first connecting rod 306, a spring limiting block 305 positioned at the lower end of the reset spring 304 and a driving assembly for driving the second connecting rod 303 to move, and the cutting assembly is fixedly arranged at the lower end of the outer wall of the puncture needle fixing frame 301.

The utility model discloses in, drive assembly include with leather pjncture needle 308 swing joint's eccentric wheel 302, drive eccentric wheel 302 pivoted motor 309, for the stationarity of guaranteeing the downward intermittent motion of leather pjncture needle 308, still be provided with reduction gear 312 between motor 309 and the eccentric wheel 302.

The utility model discloses in, tailor the subassembly including setting firmly in the knife rest 310 of pjncture needle mount 301 outer wall, set firmly in the arc of knife rest 310 bottom and cut sword 311, be provided with arc cutting edge 311a on the arc cuts sword 311, be provided with a plurality of louvre 310a around the arc cutting edge 311a, louvre 310 a's diameter range is 2mm-4mm, the airflow channel in louvre 310a and the knife rest 310 communicates with each other for cutting edge 311a can dispel the heat fast in cutting process, has improved cutting edge 311 a's life.

The puncture needle fixing frame 301 is internally provided with a plurality of limiting rings 307, the number of the limiting rings 307 is preferably 2, and the limiting rings 307 limit the motion track of the first connecting rod 306, so that the motion of the leather puncture needle 308 is more stable.

A novel seat leather cuts device cuts the working process of mechanism 3: starting a first motor 309, driving the eccentric wheel 302 to rotate at a constant speed by the output shaft of the motor, driving the second connecting rod 303 to move downwards by the eccentric wheel 302, compressing the spring by the second connecting rod 303 and driving the first connecting rod 306 to move downwards, driving the leather puncture needle 308 to move downwards by the first connecting rod 306 to puncture, generating elastic force by the spring due to the fact that the spring recovers the original state, enabling the leather puncture needle 308 to move up and down along with the rotation of the eccentric wheel 302, puncturing uniform puncture holes on the surface of the leather, and cutting the leather along the puncture holes by the arc-shaped cutting edge 311a which follows the puncture holes until the leather is completely cut.

Example two: as shown in fig. 4, which is only one embodiment of the present invention, in the first embodiment, in the novel seat leather cutting device, the X-axis displacement mechanism 4 includes an X-axis moving track 401 disposed above the working table 1, a moving block 402 movably connected to the X-axis moving track 401X, and a transmission assembly for driving the moving block 402 to move, and the moving block 402 is fixedly connected to the puncture needle holder 301.

The utility model discloses in, the drive assembly include with the X axle move the rack 405 of track 401 one side rigid coupling, with the gear 404 of moving block 402 fixed connection, drive motor three 403 of gear 404 motion, gear 404 and rack 405 meshing transmission. The transmission assembly can adopt a gear 404 and a rack 405 for meshing transmission, and can also adopt a screw rod and a matched nut for transmission, so as to achieve the purpose of driving the puncture needle fixing frame 301.

The feeding mechanism 2 comprises a feeding roller 201 for conveying leather, a bearing seat 203 rotatably connected with two ends of the feeding roller 201, and a second motor 202 for driving the feeding roller 201 to move, the feeding roller 201 is rotatably connected with the bearing seat 203 through a bearing, and in addition, an anti-slip pad is arranged on the outer surface of the feeding roller 201, so that feeding stability is guaranteed.

A novel seat leather cuts device's working process: starting motor II 202, the feed roller 201 rotates at the uniform velocity and drives the leather to move forward, entering workbench 1, the leather moves to the position to be cut, starting motor II 202 and motor III 403 simultaneously, leather puncture needle 308 moves up and down along with the rotation of eccentric wheel 302, puncture uniform puncture holes on the surface of the leather, the leather is cut along the puncture holes by arc-shaped blade 311a following behind the puncture holes, and moving block 402 drives puncture needle fixing frame 301 to move transversely along the X axis until the leather is completely cut.

The utility model discloses a structure is exquisite, is provided with and cuts mechanism 3, and the mode that at first adopts earlier high-speed punching avoids the leather fracture, and then the blade of recycling among the cutting assembly cuts, has effectively guaranteed notched planarization, makes things convenient for the further processing of sewing up in later stage to adopt gear and rack to carry out X axial transmission, improved transmission efficiency, effectively guaranteed the stationarity of leather cutting.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a novel seat leather cuts device, includes workstation (1), its characterized in that: the worktable (1) is provided with a feeding mechanism (2) for conveying leather, a cutting mechanism (3) for cutting the leather and an X-axis displacement mechanism (4) for driving the cutting mechanism (3) to move in the X-axis direction; cut mechanism (3) including pjncture needle mount (301), set up in leather pjncture needle (308) of pjncture needle mount (301) lower extreme, with leather pjncture needle (308) rigid coupling and be located pjncture needle mount (301) inside head rod (306), with second connecting rod (303), the cover of head rod (306) rigid coupling are located reset spring (304) of head rod (306) upper end, be located spring stopper (305), the drive of reset spring (304) lower extreme the drive assembly of second connecting rod (303) motion, the lower extreme of pjncture needle mount (301) outer wall has set firmly and has tailor the subassembly.

2. The novel seat leather cutting device as claimed in claim 1, wherein: the driving assembly comprises an eccentric wheel (302) movably connected with the leather puncture needle (308) and a first motor (309) driving the eccentric wheel (302) to rotate.

3. The novel seat leather cutting device as claimed in claim 2, wherein: a speed reducer (312) is arranged between the first motor (309) and the eccentric wheel (302).

4. The novel seat leather cutting device as claimed in claim 1, wherein: the puncture needle fixing frame (301) is internally and fixedly provided with a plurality of limiting rings (307) sleeved on the outer ring of the first connecting rod (306).

5. The novel seat leather cutting device as claimed in claim 4, wherein: the number of the limiting rings (307) is 2.

6. The novel seat leather cutting device as claimed in claim 1, wherein: the cutting assembly comprises a knife rest (310) fixedly arranged on the outer wall of the puncture needle fixing frame (301) and an arc-shaped shearing knife (311) fixedly arranged at the bottom of the knife rest (310), and an arc-shaped cutting edge (311 a) is arranged on the arc-shaped shearing knife (311).

7. The novel seat leather cutting device as claimed in claim 6, wherein: a plurality of heat dissipation holes (310 a) are formed in the periphery of the arc-shaped cutting edge (311 a).

8. The novel seat leather cutting device as claimed in claim 1, wherein: the feeding mechanism (2) comprises a feeding roller (201) used for conveying the leather, a bearing seat (203) rotationally connected with two ends of the feeding roller (201), and a second motor (202) driving the feeding roller (201) to move, wherein the feeding roller (201) is rotationally connected with the bearing seat (203) through a bearing.

9. The novel seat leather cutting device as claimed in claim 1, wherein: the X-axis displacement mechanism (4) comprises an X-axis moving track (401) arranged above the workbench (1), a moving block (402) movably connected with the X-axis moving track (401), and a transmission assembly driving the moving block (402) to move, wherein the moving block (402) is fixedly connected with the puncture needle fixing frame (301).

10. The novel seat leather cutting device as claimed in claim 9, wherein: the transmission assembly comprises a rack (405) fixedly connected with one side of the X-axis moving track (401), a gear (404) fixedly connected with the moving block (402), and a motor III (403) driving the gear (404) to move, and the gear (404) and the rack (405) are in meshing transmission.