CN113529398A

CN113529398A - Granny rag machine with automatic side cut device

Info

Publication number: CN113529398A
Application number: CN202110626496.3A
Authority: CN
Inventors: 夏大峰; 赵峥
Original assignee: Anhui Yilong Environmental Protection Technology Co ltd
Current assignee: Anhui Yilong Environmental Protection Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-10-22

Abstract

The invention relates to the technical field of garment production equipment, and discloses a cloth spreading machine with an automatic trimming device, which comprises a workbench and a rack arranged on the workbench in a sliding manner, wherein a cloth roller is arranged on the rack, and the rack comprises a cross frame arranged on the workbench in a sliding manner and a support frame fixed at the upper end of the cross frame and close to the two ends of the cross frame; both sides of the rack are provided with edge cutting devices; the edge cutting device comprises an installation frame, a cutting motor arranged on one side of the installation frame and a cutter arranged on one side of the installation frame and aligned with the edge of the cloth; an output shaft of the cutting motor is fixed with the rotating center of the cutter; and a flanging mechanism is arranged on the frame and on one side of the edge cutting device close to the frame. The invention has the effect of improving the evenness rate of the cloth edge.

Description

Granny rag machine with automatic side cut device

Technical Field

The invention relates to the technical field of garment production equipment, in particular to a cloth spreading machine with an automatic edge cutting device.

Background

In the prior clothing making process, the cloth stretching is the first procedure of clothing making, and the quality of the cloth stretching and the cloth cutting is an important prerequisite for making the clothing which meets the specification.

In the prior art, a spreading machine is generally used for spreading cloth, and at present, most of the spreading machines spread and cut the cloth by moving a cloth roller.

In view of the above-mentioned related technologies, the inventor of the present application finds that at least the following technical problems exist in the process of implementing the technical solution of the invention in the embodiment of the present application: after the cloth is flatly laid on the workbench, burrs on two sides of the cloth are inconvenient to process, so that stacked cloth piles are uneven, and clothes are inconvenient to make in the later period.

Disclosure of Invention

The embodiment of the application provides a granny rag machine with automatic side cut device, has solved the uneven problem in cloth edge after the prior art paves, has realized carrying out the in-process that tiles to the cloth and can also in time handle the edge of cloth for the cloth is more level and more smooth.

The embodiment of the application provides a cloth spreading machine with an automatic edge cutting device, which comprises a workbench and a rack arranged on the workbench in a sliding manner, wherein a cloth roller is arranged on the rack, and the rack comprises a cross frame arranged on the workbench in a sliding manner and a support frame fixed at the upper end of the cross frame and close to the two ends of the cross frame; both sides of the rack are provided with edge cutting devices; the edge cutting device comprises an installation frame, a cutting motor arranged on one side of the installation frame and a cutter arranged on one side of the installation frame and aligned with the edge of the cloth; an output shaft of the cutting motor is fixed with the rotating center of the cutter; and a flanging mechanism is arranged on the frame and on one side of the edge cutting device close to the frame.

Furthermore, an installation groove is formed in the rear side of the cross frame along the moving direction of the workbench; a pressing component is arranged on the rear side of the cross frame along the movement direction of the workbench; the pressing assembly comprises an installation block arranged in the installation groove in a sliding mode, a connecting spring for connecting the installation block and the groove top of the installation groove, and an L-shaped plate arranged on one side of the installation block; the horizontal part of the L-shaped plate is pressed on the edge of the cloth; the horizontal part of the L-shaped plate is provided with a cutting hole; the cutter penetrates through the cutting hole and is tightly abutted against the edge of the cloth.

Furthermore, the flanging mechanism comprises a flanging plate rotatably arranged below the cross frame and an adjusting component arranged on the rack and used for driving the flanging plate to rotate.

Further, the section of the flanging plate is in a fan shape; the arc-shaped edge of the flanging plate is provided with a first inclined surface; a second inclined surface and a third inclined surface are respectively arranged on one side of the L-shaped plate close to the flanging plate and one side of the L-shaped plate close to the center of the workbench; the first inclined surface, the second inclined surface and the third inclined surface face the upper end face of the workbench; the first inclined plane and the second inclined plane of the flanging plate are connected in an unstressed state.

Furthermore, the adjusting assembly comprises a vertical rod rotatably connected to the cross frame, a first sleeve rotatably connected to the upper end of the vertical rod, a first connecting rod fixed to one side of the first sleeve, which is close to the support frame, a first rotary drum arranged at one end of the first connecting rod, a cross rod rotatably arranged on the inner side of the support frame, a second sleeve rotatably connected to the end part of the cross rod, a second connecting rod arranged at one end of the second sleeve, and a second rotary drum arranged at one end of the second connecting rod; the lower end of the vertical rod is connected with the rotating center of the flanging plate; the axes of the first rotating drum and the second rotating drum are mutually vertical; a first rotating rod is connected in the first rotating cylinder in a sliding manner; a second rotating rod is connected in the second rotating cylinder in a sliding manner; the first rotating rod and the second rotating rod are perpendicular to each other, the opposite ends of the first rotating rod and the second rotating rod are fixedly connected, and the lengths of the first rotating rod and the second rotating rod are both greater than the lengths of the first rotating cylinder and the second rotating cylinder; and the support frame is provided with a driving assembly for driving the cross rod to swing.

Furthermore, the driving assembly comprises a swing rod fixed at one end of the cross rod penetrating through the support frame, a driving disc rotatably arranged at the outer side of the support frame and close to the top, and a fixed column fixed on the driving disc; a strip-shaped hole is formed in the oscillating bar; the strip-shaped holes are arranged along the length direction of the swinging rod; the driving disc is fixed with the end part of the distributing roller; the fixing column is inserted in the strip-shaped hole and is movably matched with the strip-shaped hole.

Furthermore, both ends of the workbench are provided with positioning components for pressing the end parts of the cloth; and both sides of the transverse frame are provided with toggle assemblies used for lifting the positioning assemblies.

Furthermore, the positioning assembly comprises a fixed plate fixed on the workbench and positioned on two sides of the workbench, a first mounting rod rotatably arranged on the inner side of the fixed plate, and a second mounting rod hinged to the other end of the first mounting rod; the fixing plate is provided with a 7-shaped adjusting groove; the adjusting groove comprises a first arc-shaped groove and a second arc-shaped groove communicated with the upper end of the first arc-shaped groove; the inner side of the first arc-shaped groove is bent towards one side close to the rack; the inner side of the second arc-shaped groove is bent towards one side close to the upper end face of the workbench; the adjusting groove is internally provided with a mounting column in a sliding manner; a third mounting rod parallel to the first mounting rod is fixed at one end of the mounting column, and the end part of the first mounting rod is positioned outside the first arc-shaped groove; the second mounting rod comprises a short rod hinged with the first mounting rod and a long rod connected with the end part of the short rod; the included angle between the short rod and the long rod is an obtuse angle; the end parts of the two long rods are connected with press strips which are abutted to the workbench; the other end of the third mounting rod is hinged with the joint of the short rod and the long rod; one side of the long rod is provided with a driving column.

Furthermore, the poking assembly comprises a fixed frame fixed on one side of the cross frame and a poking rod hinged on the inner side of the fixed frame; the shifting rod is obliquely arranged, and one end of the shifting rod is provided with a round roller which rotates on the workbench; and the driving column is positioned above the round roller when contacting with the shifting rod.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. due to the adoption of the structure of the cutting device, redundant cloth edges can be cut in time after the cloth is laid, so that the edges of the cloth are more tidy, the problem that the edges of the cloth after being laid by the spreading machine are uneven is effectively solved, the edges of the cloth after being laid are effectively, quickly and flatly laid, and the processing efficiency is greatly improved.

2. Due to the adoption of the pressing assembly, a cutting route can be planned, so that the cut cloth edge can be smoother, the problem of uneven cloth cutting in the prior art is effectively solved, and the production quality of the cloth is improved.

3. Due to the adoption of the flanging mechanism, the edge of the laid cloth can be flanged in time through the flanging mechanism, so that the edge of the cloth can be smoothed out, the problem that the edge of the laid cloth is prone to unevenness in the prior art is effectively solved, and the effect of cutting the edge of the cloth is achieved in a standard manner.

Drawings

FIG. 1 is a schematic view of the entirety of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a rack in an embodiment of the present application;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a work table; 11. a long groove; 12. elastic cloth; 2. a frame; 21. a cross frame; 211. mounting grooves; 22. a support frame; 3. a cloth roller; 4. a compression assembly; 41. mounting blocks; 42. a connecting spring; 43. an L-shaped plate; 44. cutting the hole; 5. a flanging mechanism; 51. a flanging plate; 6. an adjustment assembly; 61. a vertical rod; 611. a torsion spring; 62. a first sleeve; 63. a first connecting rod; 64. a first rotating drum; 641. a first rotating lever; 65. a cross bar; 66. a second sleeve; 67. a second connecting rod; 68. a second rotating drum; 681. a second rotating rod; 7. a drive assembly; 71. a swing rod; 72. a drive disc; 73. fixing a column; 74. a strip-shaped hole; 8. a positioning assembly; 81. a fixing plate; 82. a first mounting bar; 83. a second mounting bar; 84. an adjustment groove; 841. a first arc-shaped slot; 842. a second arc-shaped slot; 85. mounting a column; 86. layering; 87. a third mounting bar; 88. a drive column; 9. the component is stirred; 91. a fixed mount; 92. a deflector rod; 93. a round roller; 10. a trimming device; 101. a mounting frame; 102. cutting the motor; 103. and (4) a cutter.

Detailed Description

The embodiment of the application sets up side cut device 10 through 2 both sides of frame that set up on workstation 1 sliding through providing a granny rag machine with automatic side cut device, can remove to lay the edge of cloth after the cloth at frame 2, has solved the uneven problem in cloth edge after the prior art paves, has realized carrying out the in-process that tiles to the cloth and can also in time handle the edge of cloth for the cloth is more level and more smooth.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1, a cloth spreading machine with an automatic edge cutting device comprises a workbench 1 and a frame 2, wherein the workbench 1 is cuboid. The frame 2 includes crossbearer 21 and support frame 22, and the both sides of crossbearer 21 and the both sides sliding connection of workstation 1, support frame 22 are fixed in crossbearer 21 up end, and support frame 22 is provided with two along 21 length direction intervals of crossbearer. The side of the two supports 22 facing each other is defined as the inner side, and the side of the two supports 22 facing away from each other is defined as the back side. The cloth roller 3 is rotatably connected to the inner sides of the two support frames 22, and a driving part for driving the cloth roller 3 to rotate is installed in one support frame 22.

Referring to fig. 1 and 2, a mounting groove 211 is formed in the rear side of the cross frame 21 along the moving direction of the workbench 1, a pressing component 4 is installed on the rear side of the cross frame 21 along the moving direction of the workbench 1, the pressing component 4 is used for pressing the edge of cloth, the pressing component 4 comprises a mounting block 41, a connecting spring 42 and an L-shaped plate 43, the mounting block 41 is slidably connected into the mounting groove 211, two ends of the connecting spring 42 are respectively and fixedly connected with the groove tops of the mounting block 41 and the mounting groove 211, and the L-shaped plate 43 is fixedly connected with one side of the mounting block 41. The edge that just is close to workstation 1 on workstation 1 has seted up rectangular groove 11, and rectangular inslot 11 internal fixation has stretch cloth 12, and stretch cloth 12 sets up along the length direction in rectangular groove 11, and the horizontal part of L shaped plate 43 compresses tightly in the edge of cloth, and the bottom of the vertical portion of L shaped plate 43 supports tightly with stretch cloth 12.

Referring to fig. 2, a turn-up mechanism 5 is attached to the frame 2, and when the frame 2 moves in the longitudinal direction of the table 1, the edge of the cloth can be smoothed out by the turn-up mechanism 5, so that the cloth can be kept in order. The flanging mechanism 5 comprises a flanging plate 51 and an adjusting component 6. The cross section of the flanging plate 51 is fan-shaped, the flanging plate 51 is rotatably connected to the workbench 1, and the rotation center of the flanging plate 51 coincides with the center of the flanging plate 51. The arc edge of turn-up plate 51 is shaped with first inclined plane, and one side that L shaped plate 43 is close to turn-up plate 51 and the one side that is close to the workstation 1 center are shaped with second inclined plane and third inclined plane respectively, and first inclined plane, second inclined plane and third inclined plane all face the up end of workstation 1. The first inclined surface of the turn-up plate 51 is engaged with the second inclined surface thereof in an unstressed state.

Referring to fig. 2, the adjusting assembly 6 is mounted on the frame 2 and used for driving the turn-up plate 51 to swing so as to smooth out the edge of the cloth. Adjusting part 6 includes montant 61, first sleeve 62, head rod 63, first rotary drum 64, horizontal pole 65, second sleeve 66, second connecting rod 67, second rotary drum 68, and montant 61 rotates and connects on crossbearer 21 and be close to the position of support frame 22, the lower extreme of montant 61 and the center of rotation fixed connection of turn-up plate 51, and the cover is equipped with torsional spring 611 on montant 61, can be favorable to montant 61 to resume initial condition after rotating. First sleeve 62 rotates and connects in the upper end of montant 61, and first connecting rod 63 is fixed in first sleeve 62 and is close to one side of support frame 22, and first connecting rod 63 level sets up. The first drum 64 is fixed to the other end of the first connecting rod 63, and the axis of the first drum 64 is vertically arranged. Cross bar 65 rotates to be connected to support frame 22, and cross bar 65 sets up horizontally. A second sleeve 66 is pivotally connected to the end of the cross bar 65 adjacent the inside of the support frame 22. The second connecting rod 67 is fixed on the end of the second sleeve 66 far away from the cross bar 65, and the upper end of the second connecting rod 67 is connected with a second rotary drum 68, and the axis of the second rotary drum 68 is horizontally arranged. First bull stick 641 sliding connection has in first rotary drum 64, sliding connection has second bull stick 681 in the second rotary drum 68, first bull stick 641 and second bull stick 681 mutually perpendicular, and both one end fixed connection in opposite directions, and the one end that both deviate from mutually all is fixed with the stopper, and the length of first bull stick 641 and second bull stick 681 all is greater than the length of first rotary drum 64 and second rotary drum 68.

Referring to fig. 1, a driving assembly 7 is mounted on the supporting frame 22 for driving the cross bar 65 to swing back and forth. The driving assembly 7 comprises a swing rod 71, a driving disc 72 and a fixed column 73, one end of the cross rod 65 penetrates through the outer side of the supporting frame 22, and the lower end of the swing rod 71 is fixedly connected with the end part of the cross rod 65. The driving disc 72 is rotatably connected to the outer side of the supporting frame 22, and the driving disc 72 is fixedly connected with the end of the cloth roller 3. The fixing column 73 is fixedly arranged on one side of the driving disc 72 far away from the supporting frame 22, and the axis of the fixing column 73 is not coincident with the axis of the driving disc 72. A strip-shaped hole 74 is formed in the oscillating rod 71, the strip-shaped hole 74 is formed in the length direction of the oscillating rod 71, the fixing column 73 is inserted into the strip-shaped hole 74, and the fixing column 73 is movably matched with the strip-shaped hole 74.

Referring to fig. 1 and 3, the two ends of the workbench 1 are respectively provided with a positioning component 8, when the frame 2 moves, the cloth is laid on the workbench 1, and the end part of the cloth is pressed by the positioning components 8. The positioning assembly 8 includes a fixing plate 81, a first mounting rod 82 and a second mounting rod 83, and the fixing plate 81 is provided with two fixing plates, and is fixed on the workbench 1 and located on two sides of the workbench 1. The fixing plate 81 is provided with a 7-shaped adjusting groove 84, the adjusting groove 84 comprises a first arc-shaped groove 841 and a second arc-shaped groove 842 communicated with the upper end of the first arc-shaped groove 841, the inner side of the first arc-shaped groove 841 is bent towards one side close to the rack 2, and the inner side of the second arc-shaped groove 842 is bent towards one side close to the upper end face of the workbench 1. A mounting post 85 is slidably disposed within the adjustment slot 84. One end of the first mounting rod 82 is rotatably connected to the inner side of the fixing plate 81, and the other end of the first mounting rod 82 is inclined in a direction approaching the table 1 without receiving an external force. The second mounting rod 83 is rotatably connected to the other end of the first mounting rod 82, and the second mounting rod 83 includes a short rod hinged to the first mounting rod 82 and a long rod connected to the end of the short rod, and the included angle between the short rod and the long rod is an obtuse angle. The end of the long rod on the two fixing plates 81 is connected with a pressing strip 86, and the pressing strip 86 is abutted to the workbench 1 in a state of not receiving external force. A third mounting rod 87 is fixed at one end of the mounting post 85, the length directions of the third mounting rod 87 and the first mounting rod 82 are parallel to each other, and the end of the first mounting rod 82 is located outside the first arc-shaped groove 841. The other end of the third mounting rod 87 is hinged to the joint of the short rod and the long rod. A horizontally disposed drive post 88 is fixed to one side of the long rod.

Referring to fig. 2, the toggle assemblies 9 are mounted on both sides of the cross frame 21, so that when the frame 2 approaches the positioning assembly 8, the press strip 86 can be gradually lifted to facilitate laying of cloth, and when the frame 2 moves away, the positioning strip is put down under the action of self gravity and pressed on the end of the cloth. Toggle assembly 9 includes mount 91, driving lever 92, and mount 91 is fixed in the one side that crossbearer 21 is close to fixed plate 81, and driving lever 92 rotates the inboard of connecting in mount 91, and driving lever 92 slope sets up, and the one end of driving lever 92 is installed and is rotated the round roller 93 on workstation 1, is located the top of round roller 93 when drive column 88 contacts with driving lever 92.

Referring to fig. 2, edge slitting devices 10 are installed at both sides of the frame 2 for slitting off the edges of the laid cloth. Edge cutting device 10 includes mounting bracket 101, cutting motor 102, cutter 103, mounting bracket 101 fixed mounting is in one side of crossbearer 21, and mounting bracket 101 extends on being close to workstation 1, cutting motor 102 fixed mounting is on mounting bracket 101, cutter 103 is discoid, cut hole 44 has been seted up on the horizontal part of L shaped plate 43, the length direction who cuts hole 44 is unanimous with the length direction of workstation 1, and cutter 103 pegs graft in cutting hole 44, the length that cuts hole 44 is greater than cutter 103's diameter, avoid cutter 103 and the pore wall contact of cutting hole 44, the output shaft of cutting motor 102 and the center of rotation fixed connection of cutter 103, be used for driving cutter 103 to rotate, cut the edge of cloth, make the edge of cloth more neat.

The working principle of the embodiment of the application is as follows: when in work, firstly, the frame 2 is driven to slide along the length direction of the workbench 1, so that the cloth roller 3 on the frame 2 rotates to lay cloth, when the frame 2 moves to a position close to the positioning assembly 8, the shift lever 92 is caused to abut against the driving post 88, and as the frame 2 gradually approaches, so that the fixing post 73 is gradually raised by the lever 92, the mounting post 85 moves along the 7-shaped slot, the first mounting lever 82 and the second mounting lever 83 rotate, the press strip 86 is gradually far away from the upper end face of the workbench 1, the cutter 103 part on the frame 2 cuts off the cloth and lays the cloth on the workbench 1, the frame 2 moves reversely along the workbench 1, the cloth is continuously laid on the workbench 1, when the frame 2 is moved away from the positioning assembly 8, the driving post 88 is gradually lowered, and when the lever 92 is completely moved away from the driving post 88, the bead 86 is pressed against the end of the cloth.

Meanwhile, when the distributing roller rotates, the driving disc 72 is driven to rotate, so that the swing rod 71 which is rotatably connected to the driving disc 72 swings at a certain angle with the cross bar 65 as the center. The cross bar 65 drives the second connecting rod 67 to swing around the second sleeve 66, so that the second rotating rod 681 swings around the second drum 68 and moves along the length direction of the second drum 68, the second rotating rod 681 drives the first rotating rod 641 to swing around the first drum 64, and the first rotating rod 641 moves along the length direction of the first drum 64, so that the first drum 64 drives the first connecting rod 63 to swing around the first drum 62, and further drives the vertical rod 61 to swing around itself as a rotation center, so that the turn-up plate 51 continuously swings, and the edge of the cloth is smoothed. When the flanging plate 51 rotates, because the flanging plate 51 has the linking with the L-shaped plate 43, the flanging plate 51 can lift up the L-shaped plate 43 when swinging close to the center of the workbench 1, so that the cloth can be smoothed out, after swinging away from the center of the workbench 1, the flanging plate 51 is separated from the linking with the L-shaped plate 43, so that the L-shaped plate 43 falls to press the edge of the cloth after flanging, the cutting motor 102 is started, the cutter 103 cuts the edge of the cloth after flanging, and the cutting effect is more tidy.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept of the present application within the technical scope disclosed in the present application, and shall be covered by the scope of the present application.

Claims

1. A cloth spreading machine with an automatic edge cutting device (10) comprises a workbench (1) and a rack (2) arranged on the workbench (1) in a sliding manner, wherein a cloth roller (3) is arranged on the rack (2), and is characterized in that the rack (2) comprises a transverse frame (21) arranged on the workbench (1) in a sliding manner and a support frame (22) fixed at the upper end of the transverse frame (21) and close to the two ends of the transverse frame (21); both sides of the rack (2) are provided with edge cutting devices (10); the edge cutting device (10) comprises a mounting frame (101), a cutting motor (102) arranged on one side of the mounting frame (101), and a cutter (103) arranged on one side of the mounting frame (101) and aligned with the edge of the cloth; an output shaft of the cutting motor (102) is fixed with the rotation center of the cutter (103); and a flanging mechanism (5) is arranged on the side, close to the rack (2), of the trimming device (10) on the rack (2).

2. The tenter with automatic trimming device (10) according to claim 1, characterized in that the rear side of said cross frame (21) along the movement direction of the table (1) is provided with an installation groove (211); a pressing component (4) is arranged on the rear side of the transverse frame (21) along the moving direction of the workbench (1); the pressing assembly (4) comprises an installation block (41) arranged in the installation groove (211) in a sliding mode, a connecting spring (42) for connecting the installation block (41) with the groove top of the installation groove (211), and an L-shaped plate (43) arranged on one side of the installation block (41); the horizontal part of the L-shaped plate (43) is pressed on the edge of the cloth; a cutting hole (44) is formed in the horizontal part of the L-shaped plate (43); the cutter (103) penetrates through the cutting hole (44) and is tightly abutted to the edge of the cloth.

3. The tenter with automatic trimming device (10) of claim 2, characterized in that said flanging mechanism (5) comprises a flanging plate (51) rotatably disposed under the cross frame (21), an adjusting assembly (6) disposed on the frame (2) for driving the flanging plate (51) to rotate.

4. The tenter with automatic trimming device (10) of claim 3, characterized in that said flanging plates (51) have a sector-shaped section; the arc-shaped edge of the flanging plate (51) is provided with a first inclined surface; a second inclined surface and a third inclined surface are respectively arranged on one side of the L-shaped plate (43) close to the flanging plate (51) and one side of the L-shaped plate close to the center of the workbench (1); the first inclined surface, the second inclined surface and the third inclined surface face the upper end face of the workbench (1); the first inclined surface of the flanging plate (51) is connected with the second inclined surface in an unstressed state.

5. The cloth spreading machine with the automatic edge cutting device (10) as claimed in claim 3, wherein the adjusting assembly (6) comprises a vertical rod (61) rotatably connected to the cross frame (21), a first sleeve (62) rotatably connected to the upper end of the vertical rod (61), a first connecting rod (63) fixed to one side of the first sleeve (62) close to the supporting frame (22), a first rotating drum (64) arranged at one end of the first connecting rod (63), a cross rod (65) rotatably arranged inside the supporting frame (22), a second sleeve (66) rotatably connected to the end of the cross rod (65), a second connecting rod (67) arranged at one end of the second sleeve (66), and a second rotating drum (68) arranged at one end of the second connecting rod (67); the lower end of the vertical rod (61) is connected with the rotation center of the flanging plate (51); the axes of the first drum (64) and the second drum (68) are mutually perpendicular; a first rotating rod (641) is connected in the first rotating cylinder (64) in a sliding manner; a second rotating rod (681) is connected in the second rotating cylinder (68) in a sliding manner; the first rotating rod (641) and the second rotating rod (681) are perpendicular to each other, one opposite ends of the first rotating rod (641) and the second rotating rod (681) are fixedly connected, and the lengths of the first rotating rod (641) and the second rotating rod (681) are larger than those of the first rotating cylinder (64) and the second rotating cylinder (68); the supporting frame (22) is provided with a driving component (7) for driving the cross rod (65) to swing.

6. The tenter with automatic trimming device (10) of claim 5, characterized in that said driving assembly (7) comprises a swing link (71) fixed to one end of said cross bar (65) passing through the supporting frame (22), a driving plate (72) rotatably disposed outside the supporting frame (22) and near the top, a fixed post (73) fixed to the driving plate (72); a strip-shaped hole (74) is formed in the swing rod (71); the strip-shaped holes (74) are arranged along the length direction of the swing rod (71); the driving disc (72) is fixed with the end part of the distributing roller; the fixing column (73) is inserted into the strip-shaped hole (74) and movably matched with the strip-shaped hole (74).

7. The tenter with automatic trimming device (10) according to claim 1, characterized in that both ends of said worktable (1) are provided with positioning assemblies (8) for pressing the ends of the cloth; and toggle assemblies (9) used for lifting the positioning assembly (8) are arranged on two sides of the transverse frame (21).

8. The tenter with automatic trimming device (10) of claim 7, characterized in that said positioning assembly (8) comprises a fixed plate (81) fixed on the worktable (1) and located on both sides of the worktable (1), a first mounting bar (82) rotatably arranged inside the fixed plate (81), a second mounting bar (83) hinged to the other end of the first mounting bar (82); a 7-shaped adjusting groove (84) is formed in the fixing plate (81); the adjusting groove (84) comprises a first arc-shaped groove (841) and a second arc-shaped groove (842) communicated with the upper end of the first arc-shaped groove (841); the inner side of the first arc-shaped groove (841) is bent towards one side close to the rack (2); the inner side of the second arc-shaped groove (842) is bent towards one side close to the upper end surface of the workbench (1); the adjusting groove (84) is internally provided with a mounting column (85) in a sliding way; a third mounting rod (87) parallel to the first mounting rod (82) is fixed at one end of the mounting column (85), and the end part of the first mounting rod (82) is positioned on the outer side of the first arc-shaped groove (841); the second mounting rod (83) comprises a short rod hinged with the first mounting rod (82) and a long rod connected with the end part of the short rod; the included angle between the short rod and the long rod is an obtuse angle; the end parts of the two long rods are connected with pressing strips (86) which are abutted to the workbench (1); the other end of the third mounting rod (87) is hinged with the joint of the short rod and the long rod; one side of the long rod is provided with a driving column (88).

9. The tenter with automatic trimming device (10) of claim 8, characterized in that said toggle assembly (9) comprises a fixed frame (91) fixed on one side of the cross frame (21), a lever (92) hinged inside the fixed frame (91); the shifting rod (92) is obliquely arranged, and one end of the shifting rod (92) is provided with a round roller (93) which rotates on the workbench (1); the driving column (88) is positioned above the round roller (93) when in contact with the deflector rod (92).