CN210712301U

CN210712301U - Fabric cutting mechanism of fabric rolling machine

Info

Publication number: CN210712301U
Application number: CN201920959907.9U
Authority: CN
Inventors: 王志方; 曹小鸽
Original assignee: Changzhou Jinlong Yiqun Medical And Health Materials Co Ltd
Current assignee: Changzhou Jinlong Yiqun Medical And Health Materials Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-09
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a cloth cutting mechanism of a cloth rolling machine, belonging to the field of cloth rolling machines, which comprises a frame and a cloth cutting device arranged above the frame, wherein the cloth cutting device comprises a rotary clamping component and a knife rest component; a tool apron table board is arranged on the machine frame, the tool rest component is fixed on the tool apron table board, and the rotary clamping components are respectively connected to two sides of the tool rest component; a driving source is arranged on the tool rest assembly and connected with a PLC (programmable logic controller); the utility model aims at providing a cloth cutting mechanism of cloth rolling machine that middle cloth tensioning is effectual, the cloth cutting effect is smooth.

Description

Fabric cutting mechanism of fabric rolling machine

Technical Field

The utility model relates to a cloth rewinder technical field, more specifically say, it relates to a cloth cutting mechanism of cloth rewinder.

Background

The existing cloth rolling machine mainly comprises a frame, an expanding roller, a cloth inspecting table, a cloth guiding rubber roller, an automatic edge aligning device, a cloth rolling roller and a motor. After the cloth is inspected and wound into a piece, the cloth needs to be cut to continue the packaging and finishing of the next piece of cloth. The existing method is that a worker cuts along the axial direction of a cloth roller by using scissors to cut off cloth. The operating method has the following defects: 1. the cutting is uneven and easy to incline, the broken end part is taken as the starting end of the next cloth roll, and the staff must spend time to adjust the starting end, otherwise, the next cloth roll is easy to incline when winding, the cloth gradually slides out of the cloth roller, and the edge of the cloth roller is difficult to ensure to be parallel and level; 2. when the scissors are placed, the personnel are injured or scratched due to the walking of the personnel or the carelessness of the personnel in the operation process, and the personal safety is influenced.

The existing chinese patent publication No. CN207435801U discloses a cutting device for an automatic edge-aligning cloth rolling machine. Comprises a sliding chute, an inverted E-shaped tool apron, a blade and two fastening pieces, wherein the lower part of the sliding chute is provided with a groove

Two fixed bracing pieces, the blade holder is in slide in the spout, the upper surface width of blade holder is greater than the width of spout, the blade is fixed in on the middle vertical pole of blade holder, the longitudinal section of two cramps is the U type, and the inboard of both sides face is fixed a rubber gasket respectively, two cramps back-off in the top at spout both ends, and the telescopic link of an interior bottom fixed connection cylinder respectively of two cramps, the telescopic link passes the tank bottom of spout, each cylinder all is connected to an solenoid valve, an air supply and a switch are connected to the solenoid valve.

According to the scheme, the two ends of the cloth are tightly pressed through the fastening pieces, and then the operating personnel slides the cutter holder to finish the cutting of the cloth by the blade. The prior art scheme among the above-mentioned has following defect fastening piece simple structure, only compresses tightly the both ends of cloth, and the blade is cut out to the cloth of mid portion, easily because middle cloth tensioning is not enough, leads to tailorring the interrupt.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a fabric cutting mechanism of cloth rolling machine that middle cloth tensioning is effectual, fabric cutting effect is smooth.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a fabric cutting mechanism of a fabric rolling machine comprises a frame and a fabric cutting device arranged above the frame, wherein the fabric cutting device comprises a rotary clamping assembly and a tool rest assembly; a tool apron table board is arranged on the machine frame, the tool rest assembly is fixed on the tool apron table board, and the rotary clamping assemblies are respectively connected to two sides of the tool rest assembly; the tool rest assembly is provided with a driving source, and the driving source is connected with a PLC (programmable logic controller).

Through adopting above-mentioned technical scheme, set up cutting device and blade holder mesa above the frame between perching mesa and cloth roller, be provided with rotary clamping subassembly and knife rest assembly on the blade holder mesa, rotary clamping subassembly is fixed in knife rest assembly both sides. The rotary clamping assembly is used for clamping the rest cloth passing through the table board of the tool apron after the cloth roller reaches the cloth to be rolled. The knife rest component and the knife rest table-board work together to shear the cloth. The tool rest assembly is provided with a driving source, and the PLC is used for controlling the switching and the stroke of the driving source so as to control the switching and the stroke of the tool rest assembly.

Further, the tool rest assembly comprises a tool assembly, a sliding cross bar and two tool rest supports; the knife rest support is fixed on the knife rest table board, two ends of the sliding cross rod are fixedly connected to two ends of the knife rest support, and the knife assembly is located on the sliding cross rod and is in sliding connection with the sliding cross rod.

Through adopting above-mentioned technical scheme, the knife rest support is fixed in blade holder mesa length direction's both sides, has erect a slip horizontal pole between the knife rest support of both ends, is equipped with cutter unit on the slip horizontal pole, and both sliding connection, when the switch of opening the PLC controller, driving source drive cutter unit horizontal slip on the slip horizontal pole.

Further, the cutter assembly comprises a cutter base, a cutter handle and a circular blade; the upper end surface of the cutter base is provided with a first guide chute, and the sliding cross rod is inserted into the first guide chute; the lower end face of the cutter base is fixedly connected with one end of the cutter handle; the circular knife is characterized in that a blade fixing shaft is arranged at the other end of the knife handle and connected with a blade rotating shaft, the circular knife is arranged on the blade rotating shaft, and the circular knife is fixed on the blade rotating shaft through a nut.

By adopting the technical scheme, the cutter assembly is divided into the cutter base, the cutter handle and the circular blade.

The upper end face of the cutter base is provided with a first guide sliding groove used for being connected with the sliding cross rod in a sliding mode, and the lower end face of the cutter base is fixedly connected with one end of the cutter handle. The other end of the knife handle is provided with a blade fixing shaft, the blade fixing shaft is connected with a blade rotating shaft, a circular blade is arranged on the blade rotating shaft, and the circular blade is fixed on the blade rotating shaft through a nut. And opening a switch of the PLC, driving the cutter base to horizontally slide by the driving source, and driving the circular blade to rotate by driving the blade rotating shaft to rotate so as to cut the cloth.

Further, the knife handle is divided into a first knife handle and a second knife handle, one end of the first knife handle is connected with the lower end face of the knife base, and one end of the second knife handle is connected with the blade fixing shaft; the other end of the first knife handle is provided with a third rotating shaft, and the other ends of the first knife handle and the second knife handle are connected through the third rotating shaft.

By adopting the technical scheme, the cutter handle is divided into the first cutter handle and the second cutter handle, one end of the first cutter handle is connected with the lower end face of the cutter base, the other end of the first cutter handle is connected with the second cutter handle through the rotary joint, the other end of the second cutter handle is provided with the blade fixing shaft, the blade fixing shaft is connected with the blade rotating shaft, and the blade rotating shaft is provided with the circular blade. The rotary joint is a third rotary shaft, and when the cloth does not need to be cut, the second tool holder can be rotated by 90 degrees around the third rotary shaft and the circular blade to be folded.

Furthermore, a cutting groove is formed in the length direction of the table board of the tool apron and is arranged opposite to the circular blade.

By adopting the technical scheme, the cutting groove is formed in the length direction of the table board of the tool apron, when the cloth is cut, the circular blade is put down, the cloth in the contact part of the circular blade is pressed into the cutting groove formed in the circular blade, and the cutting surface of the cloth can be cut along the cutting groove.

Furthermore, each rotary clamping assembly comprises two rotary connecting pieces and a clamping cross rod, and the clamping cross rod comprises an upper clamping cross rod and a lower clamping cross rod; the rotary connecting pieces are positioned at two ends of each clamping cross rod in the length direction, the upper clamping cross rod is connected with the upper end of each rotary connecting piece, and the lower clamping cross rod is connected with the lower end of each rotary connecting piece; each rotary connecting piece comprises a first rotating shaft, two second rotating shafts, two first sliding shafts and a plurality of connecting gaskets; the connecting gasket is provided with a long edge and a short edge, the first rotating shaft is connected to the middle of the connecting gasket, the short edge of the connecting gasket is connected with the second rotating shaft, and the long edge is connected with the first sliding shaft; and connecting rods are arranged at two ends of the first rotating shaft, and the rotating connecting piece is fixed on the tool rest support through the connecting rods.

Through adopting above-mentioned technical scheme, rotary clamping mechanism all includes two swivel connected coupler and presss from both sides tight horizontal pole. The clamping cross rods are divided into upper and lower clamping cross rods and are used for clamping cloth; the rotary connecting piece is used for connecting the upper clamping cross rod and the lower clamping cross rod and plays a role in fixing and rotating. When the rotary connecting piece is closed, the clamping cross rod is driven to clamp the cloth, when the rotary connecting piece is opened, the clamping cross rod is driven to be opened, and the cloth penetrates through a gap between the upper cross rod and the lower cross rod to be rolled. And two ends of each tool rest support in the width direction are respectively provided with a rotary connecting piece, and the rotary connecting pieces are positioned at two ends of each clamping cross rod in the length direction. Each rotary connecting piece comprises a first rotating shaft, two second rotating shafts, two first sliding shafts and a plurality of connecting gaskets; the connecting gasket is provided with a long edge and a short edge, the first rotating shaft is connected to the middle of the connecting gasket, the short edge of the connecting gasket is connected with the second rotating shaft, and the long edge is connected with the first sliding shaft. The rotational connection opens up a gap distance which is the distance between the two second rotational axes. The first rotating shaft is fixed in position and can drive the upper clamping cross rod and the lower clamping cross rod to respectively rotate to 90 degrees under the combined action of the first sliding shaft and the second rotating shaft. Connecting rods are arranged at two ends of the first rotating shaft, and the rotating connecting piece is fixed on the tool rest support through the connecting rods.

Furthermore, both ends of each clamping cross rod in the length direction are provided with a first sliding groove and a second rotating shaft fixing hole; the first sliding groove is matched with the rotary connecting piece, the first sliding shaft and the connecting gasket connected with the first sliding groove slide in the first sliding groove, and the second rotating shaft is fixed in the second rotating shaft fixing hole.

By adopting the technical scheme, the shapes of the second sliding shaft of the rotary connecting piece and the connecting gasket are matched, and the two ends of each clamping cross rod in the length direction are provided with the first sliding grooves; and a second rotating shaft is matched with the rotating connecting piece, second rotating shaft fixing holes are formed in two ends of each clamping cross rod in the length direction, and the second rotating shafts are fixed in the second rotating shaft fixing holes. Under the common rotation action of the first rotating shaft and the second rotating shaft, the first sliding shaft and the connecting gasket connected with the first sliding shaft slide in the first sliding groove, and the upper clamping cross rod and the lower clamping cross rod are opened or closed.

Furthermore, the opposite end surfaces of the upper clamping cross rod and the lower clamping cross rod are respectively provided with a fixed tooth, and the fixed teeth of the upper clamping cross rod and the lower clamping cross rod are staggered.

Through adopting above-mentioned technical scheme, the terminal surface that both face mutually of the horizontal pole of upper clamp and lower clamp is equipped with the fixed tooth that the position is crisscross, has certain gap between the fixed tooth of both, and when pressing from both sides tight cloth, the cloth card with fixed tooth contact advances the gap between the fixed tooth, makes the clamp force of cloth better.

Furthermore, the opposite end surfaces of the upper clamping cross rod and the lower clamping cross rod are respectively provided with a layer of flexible material layer.

By adopting the technical scheme, the flexible material layer is arranged on the fixed teeth, so that the rust is prevented from polluting cloth after the fixed teeth made of metal are rusted; meanwhile, clamping traces of the fixed teeth on the cloth are avoided due to overlarge clamping force.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the clamping cross rods and the rotary connecting piece, when the rotary connecting piece is opened, cloth can smoothly pass through the distance between the upper clamping cross rod and the lower clamping cross rod to finish subsequent cloth rolling; when the rotary connecting piece is closed, the cloth can be clamped and tensioned through the occlusion between the upper clamping cross rod and the lower clamping cross rod;

2. through the arrangement of the rotary joint on the cutter handle, the effect that the circular blade can be retracted when the cutter assembly does not work can be achieved;

3. the fixing teeth at the staggered positions on the upper clamping cross rod and the lower clamping cross rod are arranged, so that the effect of increasing the cloth clamping force can be achieved;

4. the cutting groove on the table board of the tool apron is arranged, so that the effect of ensuring that the cloth is cut off smoothly can be achieved.

Drawings

FIG. 1 is a schematic view showing a positional relationship between a fabric cutting device and a frame in an embodiment;

FIG. 2 is a schematic view of an embodiment of a structure for embodying the working state of the fabric cutting device;

FIG. 3 is a schematic view of an embodiment for embodying the connection of the carriage assembly;

FIG. 4 is a schematic structural view for embodying a rotary joint in the embodiment;

FIG. 5 is a schematic view showing the fitting connection of the clamping rail to the rotary connector

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 is a schematic view of the structure of the fabric cutting device in an open state.

In the figure, 1, a frame; 11. a tool apron table surface; 111. cutting off the groove; 2. a fabric cutting device; 3. a rotating clamping assembly; 31. a rotating connector; 311. connecting a gasket; 312. a first rotating shaft; 313. a second rotation shaft; 314. a first sliding shaft; 32. a connecting rod; 33. clamping the cross bar; 331. an upper clamping rail; 332. a lower clamping rail; 333. a first sliding groove; 334. a second rotation shaft fixing hole; 335. fixing teeth; 336. a layer of flexible material; 4. a tool holder assembly; 41. a sliding rail; 42. a tool rest support; 43. a cutter assembly; 431. a cutter base; 432. A knife handle; 4321. a first handle; 4322. a second handle; 433. a third rotation axis; 434. a first guide chute; 435. a blade fixing shaft; 436. a blade rotating shaft; 437. a circular blade; 438. a nut; 5. a driving source is provided; 6. a PLC controller; 7. a cloth inspecting table top; 8. a cloth roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, a fabric cutting mechanism of a fabric rolling machine comprises a frame 1 and a fabric cutting device 2 arranged above the frame 1, wherein the fabric cutting device 2 is positioned between a fabric inspecting table 7 and a fabric rolling roller 8.

Referring to fig. 2, the fabric cutting device 2 includes a rotary clamping assembly 3 and a blade carrier assembly 4 (see fig. 3); a tool apron table 11 is arranged on the machine frame 1, the tool apron component 4 (see figure 3) is fixed on the tool apron table 11, and the rotary clamping components 3 are respectively connected to two sides of the tool apron component 4 (see figure 3); a driving source 5 is arranged on the tool rest assembly 4 (see fig. 3), and the driving source 5 is connected with a PLC (programmable logic controller) 6.

Referring to fig. 3, each of the rotary clamping assemblies 3 includes two rotary connectors 31 and a clamping rail 33, the clamping rail 33 includes an upper clamping rail 331 and a lower clamping rail 332; the rotary links 31 are provided at both ends of each clamping rail 33 in the length direction, and the upper clamping rail 331 is connected to the upper end of the rotary link 31 and the lower clamping rail 332 is connected to the lower end of the rotary link 31.

Referring to FIG. 3, carriage assembly 4 includes a cutter assembly 43, a slide crossbar 41, and two carriage supports 42; the tool rest supports 42 are fixed on the tool rest table 11, two ends of the sliding cross rod 41 are fixedly connected to the tool rest supports 42 at two ends, and the tool assembly 43 is positioned on the sliding cross rod 41 and is slidably connected with the sliding cross rod 41. Cutter assembly 43 includes cutter base 431, shank 432, and circular blade 437; the upper end surface of the cutter base 431 is provided with a first guide chute 434, and the sliding cross rod 41 is inserted into the first guide chute 434; the lower end face of the cutter base 431 is fixedly connected with one end of the cutter handle 432; the other end of the knife handle 432 is provided with a blade fixing shaft 435, the blade fixing shaft 435 is connected with a blade rotating shaft 436, a circular blade 437 is arranged on the blade rotating shaft 436, and the circular blade 437 is fixed on the blade rotating shaft 436 through a nut 438 (see fig. 2). The holder table 11 is provided with a cutting groove 111 in the longitudinal direction, and the cutting groove 111 is provided to the circular blade 437.

With continued reference to fig. 3, the tool holder 432 is divided into a first tool holder 4321 and a second tool holder 4322, one end of the first tool holder 4321 is connected with the lower end surface of the tool base 431, and one end of the second tool holder 4322 is connected with the blade fixing shaft 435; the other end of the first knife handle 4321 is provided with a third rotating shaft 433, and the other ends of the first knife handle 4321 and the second knife handle 4322 are connected through the third rotating shaft 433.

Referring to fig. 4, each of the rotary joints 31 includes a first rotary shaft 312, two second rotary shafts 313, two first sliding shafts 314, and a plurality of connection pads 311; the connection pad 311 has a long side and a short side, the first rotation shaft 312 is connected to the middle of the connection pad 311, the short side of the connection pad 311 is connected to the second rotation shaft 313, and the long side is connected to the first sliding shaft 314; the first rotating shaft 312 has connecting rods 32 (see fig. 2) at both ends thereof, and the rotating connecting member 31 is fixed to the holder support 42 (see fig. 2) through the connecting rods 32.

Referring to fig. 5, each clamping rail 33 is provided at both ends in the length direction thereof with a first sliding groove 333 (see fig. 6) and a second rotation shaft fixing hole 334 (see fig. 6); the first sliding groove 333 is engaged with the rotary joint 31, the first sliding shaft 314 and the connected connection pad 311 slide in the first sliding groove 333, and the second rotating shaft 313 is fixed in the second rotating shaft fixing hole 334.

Referring to fig. 6, the facing end surfaces of the upper clamping rail and the lower clamping rail 332 are provided with fixing teeth 335, and the fixing teeth 335 of the two clamping rails are staggered. The facing end surfaces of the upper clamping rail and the lower clamping rail 332 are provided with a layer 336 of flexible material.

The specific implementation process comprises the following steps: when the cloth rolling machine equipped with the cloth cutting mechanism works, the rotary connecting piece 31 is in an open state (see fig. 7), the clamping cross bar 33 is driven to be in an open state, the upper clamping cross bar 33133 is parallel to the lower clamping cross bar 33233, and cloth passes through a gap between the upper clamping cross bar 33133 and the lower clamping cross bar 33233 to be rolled on the cloth rolling roller 8. At this time, the second tool shank 4322432 is perpendicular to the first tool shank 4321432 by 90 degrees around the third rotation shaft 433 along with the circular blade 437, that is, the tool assembly 43 is in the retracted state.

When the cloth rolling is finished, the upper clamping cross bar 332 and the lower clamping cross bar 332 of the two clamping cross bars 33 are clamped through the rotating connecting piece 31, and the cloth contacted with the fixing teeth 335 on the upper clamping cross bar 332 and the lower clamping cross bar 332 is clamped into the gap between the fixing teeth 335, so that the cloth is tensioned. And opening the PLC 6 connected to the fabric cutting mechanism, wherein the fabric cutting mechanism is in a working state. The PLC 6 controls the driving source 5 to work, the driving source 5 drives the second tool holder 4322 to rotate by 90 degrees around the third rotating shaft 433 together with the circular blade 437 and put down, and meanwhile, the circular blade 437 is driven to rotate by driving the blade rotating shaft 436 to rotate for cutting cloth. The circular blade 437 is placed so that the cloth in the portion contacting the circular blade 437 can be pressed into the cutting groove 111 provided in the circular blade 437, and the cut surface of the cloth can be cut along the cutting groove 111.

When the fabric cutting is started, the first sliding guide slot 434 on the upper end surface of the cutter base 431 slides towards the other end along the sliding cross bar 41, and the circular blade 437 is driven to cut the fabric towards the other end along the cutting slot 111 along with the sliding track of the cutter base 431. When the tool base 431 slides to the other end of the slide rail 41, the direction of the travel path is changed to travel in the initial direction. The reciprocating sliding of the cutter base 431 is a working stroke, so that the connection of partial cloth after the first cutting is avoided. After the fabric is cut, the PLC controller 6 is closed, the second cutter handle 432432 drives the circular blade 437 to be retracted, and the driving source stops working. The rotary clamping component 3 close to one side of the cloth roller is opened, the clamped cloth on the side is rolled up, the cloth roller 8 is taken down, and a new cloth roller 8 is replaced. Then the rotary clamping component 3 close to one side of the cloth inspecting table surface 7 is opened, the cloth on the side passes through the gap between the rotary clamping components 3 close to one side of the cloth roller 8 and is wound on the cloth roller 8, and the cloth rolling machine is started to roll the cloth next time.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a fabric cutting mechanism of cloth rewinder which characterized in that: the cloth cutting device comprises a rack (1) and a cloth cutting device (2) arranged above the rack (1), wherein the cloth cutting device (2) comprises a rotary clamping component (3) and a knife rest component (4); a tool apron table board (11) is arranged on the machine frame (1), the tool rest component (4) is fixed on the tool apron table board (11), and the rotary clamping components (3) are respectively connected to two sides of the tool rest component (4); the tool rest assembly (4) is provided with a driving source (5), and the driving source (5) is connected with a PLC (programmable logic controller) controller (6).

2. The fabric cutting mechanism of the cloth rolling machine according to claim 1, characterized in that: the tool rest assembly (4) comprises a tool assembly (43), a sliding cross bar (41) and two tool rest supports (42); knife rest support (42) are fixed on blade holder mesa (11), slide horizontal pole (41) both ends fixed connection be in both ends on knife rest support (42), cutter subassembly (43) be located slide horizontal pole (41) go up and with slide horizontal pole (41) sliding connection.

3. The fabric cutting mechanism of the cloth rolling machine according to claim 2, characterized in that: the cutter assembly (43) comprises a cutter base (431), a cutter shank (432) and a circular blade (437); a first guide chute (434) is formed in the upper end face of the cutter base (431), and the sliding cross rod (41) is inserted into the first guide chute (434); the lower end face of the cutter base (431) is fixedly connected with one end of the cutter handle (432); the cutter is characterized in that a blade fixing shaft (435) is arranged at the other end of the cutter handle (432), the blade fixing shaft (435) is connected with a blade rotating shaft (436), the blade rotating shaft (436) is provided with a circular blade (437), and the circular blade (437) is fixed on the blade rotating shaft (436) through a nut (438).

4. The fabric cutting mechanism of the cloth rolling machine according to claim 3, characterized in that: the knife handle (432) is divided into a first knife handle (4321) and a second knife handle (4322), one end of the first knife handle (4321) is connected with the lower end face of the knife base (431), and one end of the second knife handle (4322) is connected with the blade fixing shaft (435); the other end of the first knife handle (4321) is provided with a third rotating shaft (433), and the other ends of the first knife handle (4321) and the second knife handle (4322) are connected through the third rotating shaft (433).

5. The fabric cutting mechanism of the cloth rolling machine according to claim 3, characterized in that: the cutting groove (111) is formed in the length direction of the tool apron table top (11), and the cutting groove (111) is arranged opposite to the circular blade (437).

6. The fabric cutting mechanism of the cloth rolling machine according to claim 2, characterized in that: each rotary clamping assembly (3) comprises two rotary connectors (31) and a clamping cross bar (33), and the clamping cross bar (33) comprises an upper clamping cross bar (331) and a lower clamping cross bar (332); the rotary connecting pieces (31) are positioned at two ends of each clamping cross bar (33) in the length direction, the upper clamping cross bar (331) is connected with the upper end of the rotary connecting piece (31), and the lower clamping cross bar (332) is connected with the lower end of the rotary connecting piece (31); each rotary connecting piece (31) comprises a first rotating shaft (312), two second rotating shafts (313), two first sliding shafts (314) and a plurality of connecting gaskets (311); the connecting pad (311) is provided with a long side and a short side, the first rotating shaft (312) is connected to the middle part of the connecting pad (311), the short side of the connecting pad (311) is connected with the second rotating shaft (313), and the long side is connected with the first sliding shaft (314); and connecting rods (32) are arranged at two ends of the first rotating shaft (312), and the rotating connecting piece (31) is fixed on the tool rest support (42) through the connecting rods (32).

7. The fabric cutting mechanism of the cloth rolling machine according to claim 6, characterized in that: both ends of each clamping cross rod (33) in the length direction are provided with a first sliding groove (333) and a second rotating shaft fixing hole (334); the first sliding groove (333) is matched with the rotary connecting piece (31), the first sliding shaft (314) and the connecting gasket (311) connected with the first sliding groove (333) slide in the first sliding groove, and the second rotating shaft (313) is fixed in the second rotating shaft fixing hole (334).

8. A fabric cutting mechanism for a fabric rolling machine according to claim 6 or 7, characterized in that: the opposite end surfaces of the upper clamping cross bar and the lower clamping cross bar (332) are respectively provided with a fixed tooth (335), and the fixed teeth (335) of the upper clamping cross bar and the lower clamping cross bar are staggered.

9. The fabric cutting mechanism of the fabric rolling machine according to claim 8, characterized in that: the facing end surfaces of the upper clamping cross bar and the lower clamping cross bar (332) are provided with a layer of flexible material (336).