CN210826865U

CN210826865U - Numerical control electric scissors

Info

Publication number: CN210826865U
Application number: CN201920986694.9U
Authority: CN
Inventors: 王涛
Original assignee: Shaoxing Shifang Clothing Co ltd
Current assignee: Shaoxing Shifang Clothing Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-06-23
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a numerical control electric scissors, including base, mobile workbench and rotation type scissors head, the mobile workbench is placed on the base, the mobile workbench includes the box, the box is the spill, be provided with the backup pad on four angles of box up end respectively, vertically be provided with the belt axle in two backup pads, two belt epaxially overlap and have the belt as the connection, be provided with the fixed station in the middle of two belt axles, be provided with two short worms on the base, short worm and the screw thread that sets up at the box bottom cooperate, servo motor two is through the short worm on the belt connection base, servo motor two sets up in the recess of box; the utility model discloses it is rational in infrastructure, can form automatic operation, reduced workman's working strength.

Description

Numerical control electric scissors

Technical Field

The utility model relates to a tailoring equipment field, in particular to numerical control electric scissors.

Background

The electric scissors are common equipment used for cutting cloth in garment processing enterprises, are generally used for cutting the cloth, can reduce the working strength and increase the working efficiency. Among the prior art, the electric scissors most all are artifical and tailor, and the cloth is tailor to the manual work usually will all draw the line earlier, lets the back tailor, and the process is troublesome, and consuming time and power, electric scissors generally are manual operation, and the blade of high-speed motion also produces certain danger to the workman, and the workman is long-time after working, can produce tired out the sense to influence work efficiency, to above problem, need provide a solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a numerical control electric scissors.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a numerical control electric scissors comprises a base, a movable workbench and a rotary scissors head, wherein the movable workbench is placed on the base and comprises a box body, the bottom of the box body is provided with a groove, two groups of supporting plates are symmetrically arranged on the upper end face of the box body, belt shafts are longitudinally arranged in the two groups of supporting plates, wide belts are sleeved on the two belt shafts for connection, a fixed table is arranged between the two belt shafts, a supporting frame is arranged on the rear side of the fixed table, and the supporting frame is arranged on the box body; a first servo motor is arranged in the box body, the first servo motor is arranged below a belt shaft, an output end of the first servo motor penetrates out of the box body, a first driving wheel is arranged at the output end of the first servo motor, a first driven wheel is arranged at the front end of the belt shaft, and a first belt is arranged between the first driving wheel and the first driven wheel for connection; the box body is characterized in that two symmetrical rectangular grooves are formed in the base, two short worms are arranged on the grooves, the end portions of the short worms penetrate through the base and are fixedly provided with a second driven wheel, a semicircular groove is formed in the bottom of the box body and is internally provided with threads matched with the worms, a second servo motor is arranged in a groove of the box body, a second driving wheel is arranged at the output end of the second servo motor, and a second belt is arranged between the second driving wheel and the second driven wheel and is used for connection.

By adopting the technical scheme, the servo motor operates, the belt shaft is driven to rotate by the belt, and the belt shaft drives the wide belt to rotate; the second servo motor drives the second driving wheel to rotate, the second driving wheel drives the second driven wheel to rotate through the belt, the box body moves forwards and backwards, the wide belt is supported by the fixing table, and cloth on the wide belt can move on the moving workbench.

Preferably, a supporting tube is arranged on the base, a long worm is arranged in the supporting tube, a third servo motor is arranged behind the second servo motor, a small bevel gear is longitudinally arranged at the output end of the third servo motor, an opening is arranged at the lower end of the supporting tube, a large bevel gear is transversely fixed at the lower end of the long worm, the large bevel gear is meshed with the small bevel gear, an opening is arranged at the front side of the supporting tube, a movable block is arranged on the supporting tube, through holes are symmetrically arranged at the upper end and the lower end of the movable block, internal threads are arranged in the through holes, the movable block is sleeved on the long worm through the through holes, the internal threads in the through holes are matched with the worm, a rotating hole is arranged at the lower end face of the movable block, a stepping motor is arranged in the movable block, the output end of the, an air cylinder is arranged in the rotating block, and the output end of the air cylinder penetrates through the rectangular hole to be connected with a blade.

By adopting the technical scheme, the long worm and the movable block drive the rotary scissor head to move up and down, when the scissor head needs to perform curve cutting, the rotary block can drive the scissor to rotate, so that the steering of the scissor head is completed, and the cylinder drives the blade to do up-and-down reciprocating motion, so that the effect of cutting is achieved.

Preferably, a protective cover is sleeved outside the numerical control electric scissors, a numerical control system is arranged on the protective cover, and the numerical control system is electrically connected with all the servo motors, the stepping motors and the air cylinders.

By adopting the technical scheme, when the protective cover is operated by a worker, the life safety of the worker is ensured under the condition of improper operation, and the motor of the numerical control system control device operates the whole device according to a program.

Preferably, a knife groove is connected below the rectangular hole, a knife holder is connected below the knife groove, and wheels are arranged below the knife holder.

By adopting the technical scheme, the cutter holder provides a running space for the blade to move up and down, the blade is prevented from cutting a belt when in running, and the wheels under the cutter holder can reduce the resistance of the rotary scissor head in the cutting process.

Preferably, a grating ruler is installed in the movable workbench, a scale grating is installed on the movable workbench, a grating reading head is installed on the rotary scissor head, and the scale grating and the grating reading head are connected with the numerical control system.

By adopting the technical scheme, the scale grating and the grating reading head transmit data information to the numerical control system, so that the whole equipment forms closed-loop control.

Preferably, a presser foot rod is arranged in front of the rectangular hole of the rotating block, and a presser foot is arranged below the presser foot rod.

By adopting the technical scheme, the presser foot flattens the cloth when the cloth is cut, so that the cloth can be conveniently cut.

Preferably, a protective door is arranged on the front face of the protective cover, and the protective door is connected with the protective cover through a hinge.

By adopting the scheme, the protective door is convenient for putting and taking out the cloth.

Preferably, a rubber ring is arranged in the lower rotating hole of the movable block.

By adopting the scheme, the rubber ring can form resistance to the rotation of the output end of the stepping motor, so that the rotation precision of the stepping motor is improved, and the cutting quality is improved.

Drawings

FIG. 1 is a view of the structure of the utility model without the protective cover;

FIG. 2 is a front cross-sectional view of the present invention without the protective cover;

FIG. 3 is a side sectional view of the present invention with the protective cover removed;

FIG. 4 is an external view of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 3.

Reference numerals: 1. a base; 11. a fixed table; 12. a support frame; 13. a rectangular groove; 14. a short worm; 15. supporting a tube; 16. a long worm; 2. moving the working table; 21. a box body; 211. a groove; 212. a semicircular groove; 22. a support plate; 23. a belt shaft; 24. a wide belt; 25. a first servo motor; 251. a first driving wheel; 252. a first belt; 26. a driven wheel I; 27. a servo motor II; 271. a second driving wheel; 272. a second belt; 28. a second driven wheel; 3. a rotary scissor head; 31. a large bevel gear; 32. a servo motor III; 33. a bevel pinion gear; 34. an opening; 35. a movable block; 351. a through hole; 352. an internal thread; 353. rotating the hole; 354. a stepping motor; 36. rotating the block; 361. a rectangular hole; 37. a cylinder; 38. a blade; 381. a tool apron; 382. a cutter groove; 383. a wheel; 384. a presser bar; 385. a presser foot; 39. a rubber ring; 4. a protective cover; 41. a protective door; 5. a numerical control system; 6. a grating scale; 61. a scale grating; 62. a grating reading head.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 5, a pair of numerical control electric scissors comprises a base 1, a movable working platform 2 and a rotary scissors head 3, wherein the movable working platform 2 is placed on the base 1, the movable working platform 2 comprises a box body 21, a groove 211 is formed in the bottom of the box body 21, supporting plates 22 are respectively arranged at four corners of the upper end face of the box body 21, a belt shaft 23 is longitudinally arranged between the two supporting plates 22, a wide belt 24 is sleeved on the two belt shafts 23, a fixed platform 11 is arranged between the two belt shafts 23, a supporting frame 12 is connected behind the fixed platform 11, the supporting frame 12 is fixed on the box body 21, a servo motor I25 is arranged in the box body 21, the servo motor I25 is arranged below one belt shaft 23, an output end of the servo motor I25 penetrates through the box body 21 and is provided with a driving wheel I251, a driven wheel I26 is arranged at the front end of the belt shaft, two rectangular grooves 13 are symmetrically arranged on the base 1, two short worms 14 are arranged in the rectangular grooves 13, the end parts of the short worms 14 penetrate through the base 1, and driven wheels 28 are arranged at the end parts of the short worms 14. A semi-circular groove 212 is formed in the bottom of the box body 21, threads matched with the short worm 14 are arranged in the semi-circular groove 212, a second servo motor 27 is arranged in the groove 211 of the box body 21, a second driving wheel 271 is arranged at the output end of the second servo motor 27, and a second belt 272 is connected between the second driving wheel 271 and the second driven wheel 28; the wide belts 24 on the two belt shafts 23 form a movable workbench 2 capable of moving transversely, a first servo motor 25 in the box body 21 drives a first driving wheel 251 to rotate, the first driving wheel 251 drives a first driven wheel 26 to rotate, the first driven wheel 26 drives the belt shafts 23 to rotate, the belt shafts 23 drive the wide belts 24 to rotate, objects on the wide belts 24 can move leftwards or rightwards, the output end of a second servo motor 27 drives a short worm 14 to rotate through a second driving wheel 271, a second belt 271 and a second driven wheel 28, the short worm 14 is matched with threads in the circular groove to enable the box body 21 to move forwards and backwards, and the objects on the wide belts 24 can move forwards, backwards, leftwards and rightwards in a matching manner that the box body 21 moves forwards and backwards and leftwards.

As shown in fig. 1 to 5, a support tube 15 is arranged on a base 1, a long worm 16 is installed in the support tube 15, a third servo motor 32 is arranged behind a second servo motor 27, a small bevel gear 33 is longitudinally arranged at the output end of the third servo motor 32, an opening 34 is arranged at the lower end of the support tube 15, a large bevel gear 31 is arranged at the lower end of the long worm 16, the small bevel gear 33 is meshed with the large bevel gear 31, the opening 34 is also arranged at the front surface of the support tube 15, a movable block 35 is arranged on the support tube 15, a through hole 351 is longitudinally arranged on the movable block 35, an internal thread 352 is arranged in the through hole 351, the movable block 35 is sleeved on the long worm 16 through the through hole 351, the thread in the through hole 351 is matched with the long worm 16, a rotary scissor head 3 is connected to the lower end of the movable block 35, a rotary hole 353 is arranged, a rubber ring 39 is arranged in a rotating hole 353 on the lower end face of the movable block 35, a rectangular hole 361 is arranged on the lower end face of the rotary block 36, a presser foot rod 384 is arranged in front of the rectangular hole 361, a presser foot 385 is arranged below the presser foot rod 384, an air cylinder 37 is arranged in the rotary block 36, a blade 38 is connected to the output end of the air cylinder 37, a knife groove 382 is arranged below the rectangular hole 361, a knife seat 381 is connected below the knife groove 382, a wheel 383 is arranged below the knife seat 381, a servo motor drives a long worm to rotate through a large helical gear and a small helical gear, the long worm is matched with an internal thread in the through hole, so that the movable block moves up and down, the movable block drives the rotary scissor head to move longitudinally, the rotary block 36 can enable the blade 38 to rotate at a certain angle, so as to perform curve cutting on cloth, the rubber ring 39 can form a certain resistance to, cylinder 37 drives blade 38 and makes up and down reciprocating motion, up-and-down reciprocating motion just can reach the effect of tailorring the cloth, the cloth passes through from blade holder 381, and blade 38 can take place vibrations about tailorring the in-process, the precision that leads to blade 38 to cut is not high, sword groove 382 can form fixed effect in blade 38 tailors, make blade 38 can not shake about tailorring the in-process, thereby improve and tailor the precision, blade holder 381 holds in the palm for the cloth when the operation, cooperation presser foot 385, stretch the cloth and level, the wheel 383 of bottom reduces the friction between blade holder 381 and the workstation when cutting.

As shown in fig. 4, the protective cover 4 is sleeved outside the device, the numerical control system 5 is arranged on the protective cover 4, the numerical control system 5 is in circuit connection with all the servo motors, the stepping motor 354 and the air cylinder 37, and people can control the operation of the device through programs through the numerical control system 5, so that automatic cutting is realized.

As shown in fig. 1 and 5, a scale grating 61 is arranged on the movable workbench 2, a grating reading head 62 is arranged on the rotary type scissor head 3, the scale grating 61 and the grating reading head 62 are both connected with the numerical control system 5, and the scale grating 61 and the grating reading head 62 are used for feeding back the position of the blade 38, so that the whole device becomes a closed-loop control loop.

As shown in fig. 4, the protection cover 4 is provided with a protection door 41, so that the protection cover 4 can protect the personal safety of workers in case of an accident.

As shown in fig. 1 to 5, the protective door 41 is opened, the cloth is placed on the wide belt 24, the weight of the cloth presses the wide belt 24 to the fixed station 11, the fixed station 11 can support the wide belt 24 to prevent the cloth from over-sinking and damaging the wide belt 24, the designed program is input into the numerical control system 5, after the device is started, the program cuts the cloth according to the designed sample, firstly, the rotary type scissor head 3 is driven by the movable block 35 to move downwards, the movable table 2 is driven by the bottom short worm 14 to move longitudinally, the wide belt 24 is driven by the belt shaft 23 to operate to drive the cloth to move transversely, so that the blade 38 can reach every place of the cloth, when the blade 38 needs to cut a curve, the stepping motor 354 in the movable block 35 rotates the rotary block 36 to change the angle of the blade 38 to match the movement of the movable table 2, and (3) performing curve cutting, when the cutting is finished, controlling the blade 38 to reach a safe position by the numerical control system 5, taking out the cloth, finishing the whole cutting process, and increasing the working efficiency, wherein the device has high automation degree and high safety degree.

Claims

1. The numerical control electric scissors are characterized by comprising a base (1), a movable workbench (2) and a rotary scissor head (3), wherein the movable workbench (2) is placed on the base (1), the movable workbench (2) comprises a box body (21), a groove (211) is formed in the bottom of the box body (21), two groups of supporting plates (22) are symmetrically arranged on the upper end face of the box body (21), belt shafts (23) are longitudinally arranged in the two groups of supporting plates (22), wide belts (24) are sleeved on the two belt shafts (23) for connection, a fixed table (11) is arranged between the two belt shafts (23), a supporting frame (12) is arranged on the rear side of the fixed table (11), and the supporting frame (12) is arranged on the box body (21); a first servo motor (25) is arranged in the box body (21), the first servo motor (25) is arranged below one belt shaft (23), the output end of the first servo motor (25) penetrates out of the box body (21), a first driving wheel (251) is arranged at the output end of the first servo motor (25), a first driven wheel (26) is arranged at the front end of the belt shaft (23), and a first belt (252) is arranged between the first driving wheel (251) and the first driven wheel (26) for connection; set up rectangular groove (13) of two symmetries on base (1), be provided with two short worms (14) on the groove, base (1) is passed to short worm (14) tip is fixed with from driving wheel two (28), box (21) bottom is provided with half slot (212), be provided with in half slot (212) with short worm (14) matched with screw thread, be provided with servo motor two (27) in recess (211) of box (21), servo motor two (27) output is provided with action wheel two (271), be provided with belt two (272) as being connected between action wheel two (271) and the driven wheel two (28).

2. The numerical control electric scissors according to claim 1, wherein a support tube (15) is arranged on the base (1), a long worm (16) is installed in the support tube (15), a third servo motor (32) is arranged behind the second servo motor (27), a small helical gear (33) is longitudinally arranged at the output end of the third servo motor (32), an opening (34) is arranged at the lower end of the support tube (15), a large helical gear (31) is transversely fixed at the lower end of the long worm (16), the large helical gear (31) is meshed with the small helical gear (33), an opening (34) is arranged on the front surface of the support tube (15), a movable block (35) is arranged on the support tube (15), through holes (351) are symmetrically arranged at the upper end and the lower end of the movable block (35), an internal thread (352) is arranged in the through hole (351), and the movable block (35) is sleeved on the long worm (16) through the through hole (351), internal thread (352) in through-hole (351) cooperate with the worm, the terminal surface is provided with rotatory hole (353) under movable block (35), be provided with step motor (354) in movable block (35), rotatory hole (353) fixedly connected with rotatory piece (36) are passed to step motor (354) output, the terminal surface is provided with slot (361) under rotatory piece (36), be provided with cylinder (37) in rotatory piece (36), slot (361) are passed to cylinder (37) output is connected with blade (38).

3. The numerical control electric scissors according to claim 2, wherein a protective cover (4) is sleeved outside the numerical control electric scissors, a numerical control system (5) is arranged on the protective cover (4), and the numerical control system (5) is electrically connected with all the servo motors, the stepping motor (354) and the air cylinder (37).

4. A pair of numerically controlled electric scissors according to claim 3, wherein a knife slot (382) is connected below the rectangular hole (361), a knife seat (381) is connected below the knife slot (382), and wheels (383) are arranged below the knife seat (381).

5. A kind of numerical control electric scissors according to claim 4, characterized by, install the grating ruler (6) in the said moving work platform (2), install the scale grating (61) on the said moving work platform (2), install the grating reading head (62) on the said rotary scissors head (3), the said scale grating (61) and grating reading head (62) are connected with numerical control system (5).

6. A pair of numerically controlled electric scissors according to claim 5, wherein a presser foot rod (384) is arranged below the rotating block (36) and in front of the rectangular hole (361), and a presser foot (385) is arranged below the presser foot rod (384).

7. A pair of numerically controlled electric scissors according to claim 6, wherein a protective door (41) is arranged on the front face of the protective cover (4), and the protective door (41) is hinged to the protective cover (4).

8. A numerically controlled electric shears according to claim 7, wherein a rubber ring (39) is provided in the lower rotation hole (353) of the movable block (35).