CN112707216B

CN112707216B - Simple and easy cloth bead cutter of bilateral centre gripping

Info

Publication number: CN112707216B
Application number: CN202110020481.2A
Authority: CN
Inventors: 蒋小珊
Original assignee: Guangdong Xijie Anfang Industrial Co ltd
Current assignee: Guangdong Xijie Anfang Industrial Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2023-01-13
Anticipated expiration: 2041-01-07
Also published as: CN112707216A

Abstract

The invention relates to the technical field of cloth edge cutting devices, and discloses a simple cloth edge cutting machine with bilateral clamping, which comprises a table body and a sliding roller assembly, wherein the inner wall of the top of the table body is movably connected with a sliding rod, the top of the sliding rod is fixedly provided with a clamping plate, the front surface and the back surface of the top of the table body are fixedly provided with supporting rods, through the matched use of structures of a tensioning assembly in the sliding roller assembly, cloth is placed above the table body, in the transportation process from left to right, the upper surface and the lower surface of the cloth can be tightly clamped, the effect of supporting the cloth conveying link can be achieved, an inclined angle tensioning assembly is arranged, an annular wheel in the tensioning assembly can adjust the size of the annular wheel along with the reduction of the distance, the annular wheel is ensured to be tightly attached to the edges of the left side and the right side of the cloth, the edges of the left side and the right side of the cloth can be tensioned to the left side and the right side respectively, so that the edge of the cloth is convenient to cut, and the production of a burr edge of the cloth is prevented in the edge cutting process.

Description

Simple and easy cloth bead cutter of bilateral centre gripping

Technical Field

The invention relates to the technical field of cloth edge cutting devices, in particular to a simple cloth edge cutting machine with double-side clamping.

Background

The edge trimmer is a machine for trimming the required objects by replacing the traditional manpower, the sizes of the edge trimmer are various according to the sizes of the objects to be trimmed, and compared with the prior art, the edge trimmer for processing the edges of the objects to be processed by the machine greatly improves the production efficiency

But when cutting edge, the deburring operation to the cloth, because the cloth itself is soft material, so still need the manual work to flatten the cloth and flare-out when cutting edge with the machine, or fix the cloth through other large-scale apparatus are supplementary, prevent when cutting the cloth edge, because the holding power makes the cloth collapse accumulation inadequately, thereby influence the cutting quality of cloth, if support the cloth through artifical supplementary, still can reduce production efficiency, and increased cloth batch production cost again through other large-scale auxiliary assembly, so we have proposed a simple and easy cloth bead cutter of bilateral centre gripping to solve above-mentioned problem.

Disclosure of Invention

In order to realize the aim of tightly clamping and tensioning the edge of the cloth without manpower and with the help of other auxiliary large-scale equipment, thereby preventing the edge of the cloth from being trimmed to generate burr edges, the invention provides the following technical scheme: the utility model provides a simple and easy cloth bead cutter of bilateral centre gripping, includes stage body and smooth roller subassembly, the top inner wall swing joint of stage body has the slide bar, the top fixed mounting of slide bar has splint, the equal fixed mounting in the top front and the back of stage body has the bracing piece, two the relative one side of bracing piece and the front and the back fixed connection of smooth roller subassembly.

As optimization, the smooth roller subassembly is including supporting shell, taut subassembly and tensioning assembly, the inner wall fixed mounting who supports the shell has supporting spring, supporting spring's top fixed mounting has the axle sleeve, the inner wall swing joint of axle sleeve has first bull stick, the right side swing joint who supports the shell has fixed loop bar, the right side fixed mounting of first bull stick has first commentaries on classics roller, the bottom right side fixed mounting of fixed loop bar has the cutting tool bit, the bottom inner wall swing joint who supports the shell has the second bull stick, the right side fixed mounting of second bull stick has the second to change the roller, the outer wall of second bull stick and the inner wall swing joint of taut subassembly, the bottom of fixed loop bar and the top fixed connection of tensioning assembly.

Preferably, the tensioning assembly comprises an outer sleeve, a pull rope is fixedly mounted at the top of the outer sleeve, a compression spring is fixedly mounted on the inner wall of the top of the outer sleeve, and a convex block is fixedly mounted at the bottom of the compression spring.

As optimization, the tensioning assembly comprises two first constant pressure rods, supporting blocks are fixedly mounted at the bottoms of the two first constant pressure rods, shaft rods are movably connected to the inner walls of the two supporting blocks, and connecting blocks are fixedly mounted on the opposite sides of the two shaft rods;

the outer wall fixed mounting of connecting block has the carousel, and the top fixed mounting of connecting block has the second constant pressure pole, the equal swing joint in the left and right sides of second constant pressure pole has the third constant pressure pole, the top fixed mounting of second constant pressure pole has the connecting ring board, the equal swing joint in the left and right sides of connecting ring inboard wall has interior crown plate, two the equal fixed mounting in relative one side of interior crown plate has the limiting plate, two the relative one side fixed mounting of limiting plate has curved spring.

Preferably, the number of the supporting shells in the sliding roller assembly is two, and the opposite sides of the two supporting shells are fixedly connected with the opposite sides of the two supporting rods respectively, so that the sliding roller assembly can be stably fixed above the table body.

As optimization, the left side fixed mounting of axle sleeve has the pulley that quantity is two, the spout with two pulley looks adaptations is seted up to the left side inner wall of support shell, the movable groove has been seted up on the right side of support shell, the left side of first bull stick pass this movable groove and with the inner wall swing joint of axle sleeve, the right side of first bull stick run through fixed loop bar and with the left side fixed connection of first bull roll, set up the axle sleeve and make first bull stick in the free rotation, still can the downstream, it makes first bull stick more stable when removing, the same direction as smooth to set up the pulley, finally drive first bull roll downstream.

As the optimization, the equal fixed mounting in both sides of the left end of fixed loop bar has the slider, and the distance of the relative one side of two sliders is greater than the diameter of first bull stick, supports the right side outer wall of shell and offers the activity groove with two slider looks adaptations for fixed loop bar can not follow first bull stick rotation, but still can move down together with first bull stick.

As an optimization, the number of the tensioning assemblies is two, the number of the convex blocks in each tensioning assembly is eight, the inner wall of the second rotating rod is provided with a groove matched with the eight convex blocks, and the tops of the two pull ropes are fixedly connected with the bottoms of the two fixed loop bars on the opposite sides respectively, so that when the outer loop rotates, the pull ropes can be pulled to enable the pull ropes to be wound on the outer wall of the outer loop, and finally the fixed loop bars are controlled to move downwards.

As the optimization, tensioning assembly's quantity is total two, and the quantity of link plate and interior crown plate all has four in every tensioning assembly, thereby four interior crown plates and four link plates use the centre of a circle of connecting block to be the cyclic annular distribution and form the ring as the axle, the contained angle between the top of this ring and the bottom of fixed loop bar is forty-five degrees, the equal fixed mounting in one side of carrying on the back mutually of four link plates has soft cushion for four link plates can constitute the annular wheel with four interior crown plates, set up the contained angle between this annular wheel and the fixed loop bar, make the annular wheel rotate the back can be taut with the cloth edge.

Preferably, a driving motor is fixedly mounted on the inner wall of the support block on the left side in the two support blocks, and an output shaft of the driving motor is fixedly connected with the left side of the shaft lever on the left side, so that the annular wheel obtains a power source and can keep rotating.

The invention has the beneficial effects that: through setting up the smooth roller subassembly, and use through the cooperation of each structure of tensioning assembly in the smooth roller subassembly, make place the cloth in stage body top and in the transportation from left to right, not only can be inseparable with the upper and lower surface centre gripping of cloth, can also play the effect that provides the support to the link that the cloth was carried, and be provided with the tensioning assembly at angle of inclination, when making first commentaries on classics roller and second commentaries on classics roller be close to the centre gripping cloth each other, the tensioning assembly can be along with the size of adjustment self along with the interval diminishes, thereby guarantee to hug closely with the left and right sides edge of cloth all the time, and this angle of inclination makes two tensioning assemblies drive the annular wheel rotation along with driving motor's rotation, can be taut to the left and right sides respectively with the left and right sides edge of cloth, thereby be convenient for the side cut work, prevent at the side cut in-process, cloth edge production burr limit.

Drawings

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

FIG. 2 is an enlarged view of a portion of the roll assembly of the present invention;

FIG. 3 is an enlarged partial cross-sectional view of the tension assembly of the present invention;

FIG. 4 is an elevational cross-sectional view of the tension assembly of the present invention;

figure 5 is a partial side cross-sectional view of the tension assembly of the present invention.

In the figure: 1. a table body; 2. a slide bar; 3. a splint; 4. a support bar; 5. a roller assembly; 51. a support housing; 52. a support spring; 53. a shaft sleeve; 54. a first rotating lever; 55. fixing the loop bar; 56. a first rotating roller; 57. a cutter head; 58. a second rotating lever; 59. a second rotating roller; 580. a tension assembly; 581. an outer collar; 582. pulling a rope; 583. a compression spring; 584. a bump; 5500. a tension assembly; 5501. a first constant pressure rod; 5502. a support block; 5503. a shaft lever; 5504. connecting blocks; 5505. a turntable; 5506. a second constant pressure rod; 5507. a third constant pressure rod; 5508. a connecting ring plate; 5509. an inner ring plate; 5510. a limiting plate; 5511. a bent type spring.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a simple cloth edge trimmer with bilateral clamping comprises a table body 1 and a sliding roller assembly 5, wherein a sliding rod 2 is movably connected to the inner wall of the top of the table body 1, a clamping plate 3 is fixedly mounted at the top of the sliding rod 2, supporting rods 4 are fixedly mounted on the front surface and the back surface of the top of the table body 1, and one opposite sides of the two supporting rods 4 are fixedly connected with the front surface and the back surface of the sliding roller assembly 5.

Referring to fig. 1-2, the roller assembly 5 includes two supporting shells 51, a tensioning assembly 580 and a tensioning assembly 5500, two supporting shells 51 are disposed in the roller assembly 5, opposite sides of the two supporting shells 51 are respectively and fixedly connected to opposite sides of the two supporting rods 4, so that the roller assembly 5 can be stably fixed above the table body 1, supporting springs 52 are fixedly mounted on inner walls of the supporting shells 51, a shaft sleeve 53 is fixedly mounted on a top of the supporting springs 52, an inner wall of the shaft sleeve 53 is movably connected to a first rotating rod 54, a fixed sleeve rod 55 is movably connected to a right side of the supporting shell 51, sliders are fixedly mounted on both sides of a left end of the fixed sleeve rod 55, a distance between opposite sides of the two sliders is greater than a diameter of the first rotating rod 54, a movable groove matched with the two sliders is formed in an outer wall of a right side of the supporting shell 51, so that the fixed sleeve rod 55 cannot rotate along with the first rotating rod 54, but still can move downward along with the first rotating rod 54, a first rotating roller 56 is fixedly mounted on a right side of the first rotating rod 54, sliders are fixedly mounted on both sides of a left end of the fixed sleeve rod 55, a movable groove matched with a diameter of the second rotating rod 58, a bottom of the fixed sleeve rod 58 is connected to a bottom of the second rotating rod 58, and a movable sleeve rod 58, a cutter head 58 is connected to the movable sleeve rod 58, a movable sleeve rod 58, and a movable sleeve rod 58.

Referring to fig. 2-3, the tension assembly 580 includes an outer ring 581, a pull rope 582 is fixedly mounted on the top of the outer ring 581, a compression spring 583 is fixedly mounted on the inner wall of the top of the outer ring 581, a protrusion 584 is fixedly mounted on the bottom of the compression spring 583, the number of the tension assemblies 580 is two, the number of the protrusions 584 in each tension assembly 580 is eight, a groove matched with the eight protrusions 584 is formed in the inner wall of the second rotating rod 58, and the tops of the two pull ropes 582 are respectively and fixedly connected with the bottoms of the two opposite sides of the two fixed loop bars 55, so that when the outer ring 581 rotates, the pull rope 582 can be pulled to wind the pull rope 582 on the outer wall of the outer ring 581, and finally the fixed loop bars 55 are controlled to move downwards.

Referring to fig. 2 and fig. 4-5, the tensioning assembly 5500 includes two first constant pressure rods 5501, support blocks 5502 are fixedly installed at the bottoms of the two first constant pressure rods 5501, a shaft lever 5503 is movably connected to the inner walls of the two support blocks 5502, a driving motor is fixedly installed on the inner wall of the support block 5502 located on the left side of the two support blocks 5502, an output shaft of the driving motor is fixedly connected with the left side of the shaft lever 5503 located on the left side, so that an annular wheel obtains a power source and can keep rotating, and a connecting block 5504 is fixedly installed on one side, opposite to the two shaft levers 5503;

outer wall fixed mounting of connecting block 5504 has carousel 5505, the top fixed mounting of connecting block 5504 has second constant voltage pole 5506, the equal swing joint in the left and right sides of second constant voltage pole 5506 has third constant voltage pole 5507, the top fixed mounting of second constant voltage pole 5506 has connection crown plate 5508, the equal swing joint in the connection crown plate 5508 inner wall left and right sides has interior crown plate 5509, tensioning assembly 5500's quantity is total two, connect crown plate 5508 and interior crown plate 5509's quantity in every tensioning assembly 5500 and all have four, thereby four interior crown plate 5509 and four connection crown plate 5508 use the centre of a circle of connecting block 5504 to be cyclic annular distribution for the axle and form the ring, the contained angle between the top of this ring and the bottom of fixed loop pole 55 is forty-five degrees, four equal fixed mounting in the back of the body of a year of connection crown plate 5508 has the soft cushion, make four connection crown plate 5508 and four interior crown plate 5509 can constitute the annular wheel, set up the annular wheel between this annular wheel and fixed loop pole 55, make the contained angle of annular wheel rotate the cloth after the rotation, the equal fixed ring of two relative limit plate 5511 one side of the equal fixed mounting of the limit plate 5510 one side.

In use, referring to fig. 1-5, a user may first pass the front end of the cloth to be trimmed through the slide roller assembly 5 at the top of the left side of the table 1 and clamp the front end of the cloth with the clamping plate 3, when the cloth passes through the slide roller assembly 5, the bottom of the cloth contacts the second rotating roller 59, at this time, the slide rod 2 drives the clamping plate 3 to move rightward, so as to pull the cloth to move from left to right on the table 1, during the moving process, the force of the forward movement of the bottom of the cloth drives the second rotating roller 59 to rotate clockwise, so that the second rotating rod 58 fixedly connected with the second rotating roller 59 rotates in the same direction, when the second rotating rod 58 rotates, the projection 584 of the inner wall of the outer collar in the tensioning assembly 580 will be engaged with the corresponding groove formed in the second rotating rod 58, so that the outer collar 581 will rotate in the same direction with the second rotating rod 58, and the pulling rope 582 fixed at the top portion 581 of the outer collar 581 will be due to the outer wall 581 of the outer collar 581, therefore, the fixed loop bar 55 connected to the top of the pulling rope 582 is pulled downwards, when the fixed loop bar 55 is pulled downwards, the first rotating bar 54 and the first rotating roller 56 are also driven to downwards move, so that the first rotating roller 56 can be tightly attached to the top of the cloth, meanwhile, the tensioning assembly 5500 and the cutting head 57 are also driven to downwards move along with the downwards movement of the fixed loop bar 55, in the downwards movement process of the tensioning assembly 5500, the bottom of a ring wheel formed by four inner ring plates 5509 and four connecting ring plates 5508 in each tensioning assembly 5500 is firstly contacted with the upper surface of the cloth on the top of the second rotating roller 59, at the moment, a driving motor is started to operate, so that the ring wheel and the second rotating roller 59 reversely rotate, as the fixed loop bar 55 continuously downwards moves, the distance between the first rotating roller 56 and the second rotating roller 59 is gradually reduced, and in order to adapt to the distance between the first rotating roller 56 and the second rotating roller 59, the tensioning assembly 5500 is adaptively adjusted accordingly, at first two first constant voltage poles 5501 can be forced to contract, and the one side that backs on the back of four connection ring boards 5508 can receive the reaction force of second commentaries on classics roller 59 respectively along with the rotation, make four connection ring boards 5508 extrude four second constant voltage poles 5506 and be close to relatively simultaneously, and four interior ring boards 5509 also can be forced to begin to contract and extrude corresponding bent spring 5511 to the connection ring board 5508 that corresponds, finally realize reducing the radius of this annular wheel, thereby can closely laminate with the cloth on the second commentaries on classics roller 59 all the time, and because be forty-five degree contained angle distribution between this annular wheel and the fixed loop bar 55, and the annular wheel is driven by driving motor and the second commentaries on classics roller 59 between the counter rotation, can ensure the cloth in centre gripping transportation, two annular wheels in two tensioning subassemblies 5500 can not only press from both sides edge tightly the cloth, and along with the counter rotation of two annular wheels, can stretch the cloth to the left and right sides, thereby with the tensioning edge tensioning, the cutting tool bit 57 of cloth after can inserting the tensioning this moment, reach the mesh of side cut.

To sum up, a user can firstly pass the front end of the cloth to be trimmed through the slide roller assembly 5 at the top of the left side of the table 1 and clamp the front end of the cloth with the clamping plate 3, when the cloth passes through the slide roller assembly 5, the bottom of the cloth will contact with the second rotating roller 59, at this time, the slide rod 2 will drive the clamping plate 3 to move rightwards, so as to pull the cloth to move from left to right on the table 1, during the moving process, the force of the forward movement of the bottom of the cloth will drive the second rotating roller 59 to rotate clockwise, so that the second rotating rod 58 fixedly connected with the second rotating roller 59 rotates in the same direction, when the second rotating rod 58 rotates, the projection 584 on the inner wall of the outer collar 581 in the tensioning assembly 580 will be engaged in the corresponding groove formed on the second rotating rod 58, so that the outer collar 581 will rotate in the same direction with the second rotating rod 58, and the pulling rope 582 fixed at the top of the outer collar 581 will be wound on the outer collar 581, therefore, the fixed loop bar 55 connected to the top of the pulling rope 582 is pulled downwards, when the fixed loop bar 55 is pulled downwards, the first rotating bar 54 and the first rotating roller 56 are also driven to downwards move, so that the first rotating roller 56 can be tightly attached to the top of the cloth, meanwhile, the tensioning assembly 5500 and the cutting head 57 are also driven to downwards move along with the downwards movement of the fixed loop bar 55, in the downwards movement process of the tensioning assembly 5500, the bottom of a ring wheel formed by four inner ring plates 5509 and four connecting ring plates 5508 in each tensioning assembly 5500 is firstly contacted with the upper surface of the cloth on the top of the second rotating roller 59, at the moment, a driving motor is started to operate, so that the ring wheel and the second rotating roller 59 reversely rotate, as the fixed loop bar 55 continuously downwards moves, the distance between the first rotating roller 56 and the second rotating roller 59 is gradually reduced, and in order to adapt to the distance between the first rotating roller 56 and the second rotating roller 59, the tensioning assembly 5500 is adaptively adjusted accordingly, first, two first constant pressure rods 5501 can be stressed to contract, and the opposite sides of four connecting ring plates 5508 can be respectively subjected to the reaction force of a second rotating roller 59 along with the rotation, so that the four connecting ring plates 5508 are relatively close to each other when extruding four second constant pressure rods 5506, and four inner ring plates 5509 are stressed to begin to contract towards the inside of the corresponding connecting ring plates 5508 and extrude corresponding bending springs 5511, and finally the radius of the ring wheel is reduced, so that the ring wheel can be tightly attached to the cloth on the second rotating roller 59 all the time, and the cloth can be stretched left and right due to the fact that the ring wheel and the fixed sleeve rod 55 form an included angle distribution of forty-five degrees and is driven by a driving motor to rotate reversely with the second rotating roller 59, so that the cloth can be ensured to be clamped in the clamping and transporting process, two ring wheels in the two tensioning assemblies 5500 can not only firmly clamp the left and right edges of the cloth, but also can stretch the cloth left and right along with the reverse rotation of the two ring wheels, so that the edges of the cloth are tensioned, so that the edges of the cloth can be tensioned, and the cutting tool bits 57 on the two sides can be inserted into the tensioned edges of the cloth, thereby achieving the purpose of trimming.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a simple and easy cloth bead cutter of bilateral centre gripping, includes stage body (1) and smooth roller subassembly (5), its characterized in that: the inner wall of the top of the table body (1) is movably connected with a sliding rod (2), the top of the sliding rod (2) is fixedly provided with a clamping plate (3), the front and the back of the top of the table body (1) are fixedly provided with supporting rods (4), and one opposite side of each of the two supporting rods (4) is fixedly connected with the front and the back of a sliding roller assembly (5);

the sliding roller assembly (5) comprises a supporting shell (51), a tensioning assembly (580) and a tensioning assembly (5500), a supporting spring (52) is fixedly mounted on the inner wall of the supporting shell (51), a shaft sleeve (53) is fixedly mounted at the top of the supporting spring (52), a first rotating rod (54) is movably connected to the inner wall of the shaft sleeve (53), a fixed sleeve rod (55) is movably connected to the right side of the supporting shell (51), a first rotating roller (56) is fixedly mounted on the right side of the first rotating rod (54), a cutting tool bit (57) is fixedly mounted on the right side of the bottom of the fixed sleeve rod (55), a second rotating rod (58) is movably connected to the inner wall of the bottom of the supporting shell (51), a second rotating roller (59) is fixedly mounted on the right side of the second rotating rod (58), the outer wall of the second rotating rod (58) is movably connected with the inner wall of the tensioning assembly (580), and the bottom of the fixed sleeve rod (55) is fixedly connected with the top of the tensioning assembly (5500);

the tensioning assembly (580) comprises an outer sleeve ring (581), a pull rope (582) is fixedly mounted at the top of the outer sleeve ring (581), a compression spring (583) is fixedly mounted on the inner wall of the top of the outer sleeve ring (581), and a projection (584) is fixedly mounted at the bottom of the compression spring (583);

the tensioning assembly (5500) comprises two first constant pressure rods (5501), supporting blocks (5502) are fixedly mounted at the bottoms of the two first constant pressure rods (5501), shaft levers (5503) are movably connected to the inner walls of the two supporting blocks (5502), and connecting blocks (5504) are fixedly mounted on the opposite sides of the two shaft levers (5503);

the outer wall of the connecting block (5504) is fixedly provided with a turntable (5505), the top of the connecting block (5504) is fixedly provided with a second constant pressure rod (5506), the left side and the right side of the second constant pressure rod (5506) are both movably connected with a third constant pressure rod (5507), the top of the second constant pressure rod (5506) is fixedly provided with a connecting ring plate (5508), the left side and the right side of the inner wall of the connecting ring plate (5508) are both movably connected with inner ring plates (5509), one opposite side of each of the two inner ring plates (5509) is fixedly provided with a limiting plate (5510), and one opposite side of each of the two limiting plates (5510) is fixedly provided with a bent spring (5511);

the number of the tensioning assemblies (580) is two, the number of the protrusions (584) in each tensioning assembly (580) is eight, the inner wall of the second rotating rod (58) is provided with grooves matched with the eight protrusions (584), and the tops of the two pull ropes (582) are fixedly connected with the bottoms of the two fixed sleeve rods (55) on the opposite sides respectively;

the number of the tensioning assemblies (5500) is two, the number of the connecting ring plates (5508) and the number of the inner ring plates (5509) in each tensioning assembly (5500) are four, the four inner ring plates (5509) and the four connecting ring plates (5508) are annularly distributed by taking the circle center of the connecting block (5504) as an axis to form a ring, an included angle between the top of the ring and the bottom of the fixed loop bar (55) is forty-five degrees, and soft rubber pads are fixedly mounted on the opposite sides of the four connecting ring plates (5508);

two locating in supporting shoe (5502) the left side inner wall fixed mounting of supporting shoe (5502) has driving motor in supporting shoe (5502), and driving motor's output shaft and the left side fixed connection who is located left axostylus axostyle (5503).

2. The simple bilateral-clamping cloth edge trimmer according to claim 1, characterized in that: the number of the supporting shells (51) in the sliding roller assembly (5) is two, and the back sides of the two supporting shells (51) are fixedly connected with the opposite sides of the two supporting rods (4) respectively.

3. The simple bilateral-clamping cloth edge trimmer according to claim 1, characterized in that: the left side fixed mounting of axle sleeve (53) has the quantity to be two the pulley, supports the left side inner wall of shell (51) and offers the spout with two pulley looks adaptations, supports the right side of shell (51) and has offered the activity groove, the left side of first bull stick (54) pass this activity groove and with the inner wall swing joint of axle sleeve (53), the right side of first bull stick (54) run through fixed loop bar (55) and with the left side fixed connection of first commentaries on classics roller (56).

4. The simple bilateral-clamping cloth edge trimmer according to claim 3, characterized in that: the both sides of the left end of fixed loop bar (55) are all fixed mounting have the slider, and the distance of the relative one side of two sliders is greater than the diameter of first bull stick (54), and the right side outer wall of support shell (51) is seted up with the activity groove of two slider looks adaptations.