CN213764255U

CN213764255U - Cutting machine for rinsing equipment

Info

Publication number: CN213764255U
Application number: CN202022937859.9U
Authority: CN
Inventors: 邓仕路; 洪盛荣; 陈启春; 张惠明; 班章雨
Original assignee: Sichuan Orient Hydroelectric Equipment and Engineering Co Ltd
Current assignee: Dongfang Water Conservancy Intelligent Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-23
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to the technical field of salvaging devices for floating objects on water surface, in particular to a cutting machine for float-cleaning equipment, which comprises two groups of cutting assemblies respectively positioned at two sides of the salvaging device; each group of cutting assemblies comprises a support, a material guide section, a cutting device, a clamping device, a first driving piece and a second driving piece, wherein the cutting device is hinged with the top of the support through a first pin shaft, and the clamping device is hinged with the bottom of the support through a second pin shaft; the bracket is fixed on the fishing device, a sunken limiting part is arranged on the bracket, one end of the material guiding section is connected with the limiting part, and the other end of the material guiding section is downward inclined towards the direction of the inlet of the floater; the clamping device rotates upwards to form a clamping space with the limit part in an enclosing mode. Through this cutting machine, can effectively solve salvage net chain both sides and do not have the baffle, the floater drops the bow and the cutting effect is poor and cutting device fragile scheduling problem from both sides, and the utility model discloses simple structure can alleviate self load greatly, improves its flexible flexibility.

Description

Cutting machine for rinsing equipment

Technical Field

The utility model relates to a floater surface of water fishing device technical field especially relates to a cutting machine for clear equipment of floating.

Background

In the annual flood season, due to collapse or debris flow, a large amount of hard floating objects such as trunks and bamboo poles are accumulated on the water surface of the river in part of mountain areas. For such hard floaters, fishing is usually performed by using a water fishing device. As the two sides of the width direction of the traditional fishing device are provided with the baffle plates, the hard floaters with longer sizes (such as long bamboo poles, long tree trunks and the like) can not be completely fished at one time, only the hard floaters with the same advancing direction as the fishing device can be fished, the hard floaters with parts vertical to or close to the advancing direction of the float clearing equipment can not be directly fished, only the hard floaters are manually swung to be the same as the advancing direction of the float clearing equipment and then fished, and the fishing efficiency is lower.

In the prior art, a chinese patent document with publication number CN109653180A and publication date of 2019, 04 and 19 is proposed to solve the above-mentioned technical problems, and the technical solution disclosed in the patent document is as follows: the utility model provides an automatic clear equipment of floating of surface of water floater, includes hull, fishing device, horizontal conveyor, saw cuts the device, broken material conveyor, breaker and stores up discharge apparatus, fishing device sets up the bow at the hull and is used for salvaging the floater, it sets up the stern at the hull and is used for the storage and unload to store up discharge apparatus, saw cut the device and fix the top at storing up discharge apparatus, horizontal conveyor level is fixed fishing device and saw cuts between the device, breaker fixes the discharge end below at fishing device, broken material conveyor inclines to be fixed in horizontal conveyor below, and broken material conveyor's low side is located breaker's below, and high-end is located the top that stores up discharge apparatus.

In the actual use process, the following problems can occur in the technical scheme:

(1) the crushing device is complex in structure, large in overall dimension and heavy in self weight, and the conveying devices arranged above and below the crushing device enable the self-weight load of the front end of the ship body to be particularly large, and a large balance weight has to be added at the tail of the ship body for balancing, so that the length, the width and the height of the ship body are large, the light weight of the fishing device cannot be realized, and the flexible and flexible effect cannot be achieved.

(2) The technical problem that floaters fall to the bow from two sides can occur when the transverse long floaters are salvaged because all the striker plates on two sides of a salvage net chain are cancelled.

(3) When sawing the hard floater, the hard floater can not be limited to move, and the sawing device has poor cutting effect. When cutting this hard float, the movement of the float also tends to damage the sawing device.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a cutting machine for clear equipment of floating can effectively solve salvage net chain both sides and do not have the baffle, and the floater falls the bow and the floater easy removal when cutting from both sides, leads to the poor and cutting device fragile scheduling problem of cutting effect, and the utility model discloses simple structure, but the multiple different fishing device of adaptation can not increase unnecessary floater transfer chain, and whole fishing device only need set up a floater transfer chain can, can alleviate self load greatly, improve its flexible flexibility.

The utility model discloses a realize through adopting following technical scheme:

the utility model provides a cutting machine for clear equipment that floats which characterized in that: comprises two groups of cutting assemblies which are respectively positioned at two sides of the fishing device; each group of cutting assemblies comprises a support, a material guide section, a cutting device, a clamping device, a first driving piece and a second driving piece, wherein the cutting device is hinged with the top of the support through a first pin shaft, and the clamping device is hinged with the bottom of the support through a second pin shaft; the bracket is fixed on the fishing device, a sunken limiting part is arranged on the bracket, one end of the material guiding section is connected with the limiting part, and the other end of the material guiding section is downward inclined towards the inlet direction of the floating objects; the first driving piece is used for driving the cutting device to rotate up and down around the first pin shaft, and the second driving piece is used for driving the clamping device to rotate up and down around the second pin shaft, so that the clamping device rotates upwards and forms a clamping space with the limiting portion in an enclosing mode.

The clamping device is of a swing arm structure, one end of the swing arm structure is hinged with the support, and the other end of the swing arm structure is provided with a slip-off prevention part.

And an anti-slip groove or an anti-slip tooth is arranged on one side of the anti-slip part, which faces the limiting part.

The second driving piece comprises a swing arm oil cylinder and a connecting arm, the driving end of the swing arm oil cylinder is hinged to one side of the support, the telescopic end of the swing arm oil cylinder is hinged to the connecting arm, and the other end of the connecting arm is hinged to the bottom of the support through a second pin shaft.

The cutting device comprises a sawing piece, a moving rod and a third driving piece for driving the sawing piece to move along the direction of the moving rod, and the moving rod is connected with a first pin shaft.

The sawing piece comprises a sawing frame movably connected with the moving rod, a motor arranged on the sawing frame, and a sawing device arranged on the sawing frame and driven by the motor.

The saw cutter is a disc saw or a chain saw.

The first driving piece comprises a lifting driver and a connecting swing rod, the lifting driver is hinged to one side of the support, one end of the connecting swing rod is hinged to the telescopic end of the lifting driver, and the other end of the connecting swing rod is hinged to the top of the support through a first pin shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, when fishing device during operation, the surface of water floater is to be carried upwards through fishing device's salvage net chain, hang out the stereoplasm floater of salvage net chain mesa to both ends, when stereoplasm floater two hangs the end and carry to guide section department time, the second driving piece begins work, it upwards rotates around second round pin axle to drive clamping device, clamping device anticlockwise upswing is until pressing from both sides the stereoplasm floater tight promptly, clamping device firmly prescribes the stereoplasm floater in the centre gripping space, the just stop work of second driving piece, after clamping device presss from both sides tight floater and second driving piece stop work, first driving piece begins work, drive cutting device is rotatory downwards around first round pin axle, clockwise downswing promptly, the swing in-process, two overhang ends of the stereoplasm floater after the cutting device will press from both sides tightly cut off. Because the two ends of the hard floater are clamped in the cutting process, the floater can be effectively prevented from moving to damage the cutting device when the hard floater is cut. After the cutting, the first driving piece works, and the cutting device swings anticlockwise and upwards around the first pin shaft; meanwhile, the second driving piece works, and the clamping device swings clockwise and downwards around the second pin shaft to an initial state to prepare for next work.

The utility model discloses simple structure, cutting device can enough saw cut the stereoplasm floater and salvage, can not influence the continuity of floater yet and transport, but the multiple different fishing device of adaptation can not increase unnecessary floater transfer chain, whole fishing device only need set up a floater transfer chain can, can alleviate self load greatly, improve its flexible flexibility.

2. The clamping device is of a swing arm structure, one end of the swing arm structure is hinged to the support, and the other end of the swing arm structure is provided with a falling-off prevention portion, so that the clamping effect is better.

3. The anti-slip groove or the anti-slip tooth is arranged on the anti-slip part and on one side facing the limiting part, so that the hard floating object and the anti-slip part are prevented from sliding relatively in the cutting process.

4. The second driving piece comprises a swing arm oil cylinder and a connecting arm, the driving end of the swing arm oil cylinder is hinged to one side of the support, the telescopic end of the swing arm oil cylinder is hinged to the connecting arm, and the other end of the connecting arm is hinged to the bottom of the support through a second pin shaft.

5. The cutting device comprises a saw cutting piece, a moving rod and a third driving piece, wherein the third driving piece is driven to saw the moving rod and move along the moving rod, the moving rod is connected with a first pin shaft, the saw cutting piece can move along the moving rod, the saw cutting piece can be sequentially cut off hard floaters in the moving process, the cutting range of the saw cutting piece is enlarged, and the saw cutting is more efficient.

6. The utility model discloses a cutting equipment, can set up the well back end at salvaging the net chain according to the clear circumstances of floating of reality, as long as the stereoplasm floater can arrive the guide section smoothly, just can be under the effect of second driving piece, clamping device and spacing portion combined action, press from both sides tightly this stereoplasm floater, just can saw cut this stereoplasm floater through sawing the ware, when saw cutting, cutting device rotates downwards around first round pin axle, saw cut the piece and remove toward the direction that is close to the stereoplasm floater along the carriage release lever, saw off with two overhang ends of stereoplasm floater, the floater after sawing off can continue to carry forward, accomplish smoothly and collect. Can realize salvaging the collection to stereoplasm floater, need not to adopt the direction of artifical adjustment stereoplasm floater, also need not to adjust fishing device's direction, improve salvage efficiency.

Drawings

The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:

fig. 1 is a schematic structural diagram of the middle cutting device of the present invention in a working state (the lifting driver is in a maximum stroke state, and the sawing member is in a minimum stroke state);

FIG. 2 is a schematic structural view of the middle cutting device of the present invention in a non-operating state;

fig. 3 is a schematic structural diagram of the cutting device in another working state of the present invention (the lifting driver is in the maximum stroke state, and the sawing member is in the maximum stroke state);

fig. 4 is a schematic plan view of the present invention;

the labels in the figure are:

1. fishing device, 2, support, 3, first round pin axle, 4, second round pin axle, 5, lift drive, 6, spacing portion, 7, linking arm, 8, guide section, 9, third driving piece, 10, carriage release lever, 11, salvage net chain, 12, saw cut frame, 13, motor, 14, saw cut ware, 15, connection pendulum rod, 16, swing arm hydro-cylinder, 17, stereoplasm floater, 18, swing arm structure, 19, stop the portion of taking off, 20, antiskid tooth.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a "stereoplasm floater 17" mainly indicates, its length or width is greater than the width of salvage net chain 11 of fishing device 1 to its both ends or both sides all are blockked by the striker plate and can't get into the floater of salvage net chain 11, it includes but not limited to, bar, rod, the cylindricality floater perpendicular to or close to the vertical with the direction of delivery of salvage net chain 11, the size is great so that both sides all are blockked by the striker plate irregular large-scale floater etc.; furthermore, the utility model discloses in "stereoplasm" of "stereoplasm floater 17" should be understood as the broad sense, and it specifically indicates when being kept off by the striker plate, can not take place to warp and can't get into salvage net chain 11, and need just can continue the floater of carrying through saw cutting, and it includes but not limited to, wooden class, plastics class, metal class, foam class floater, perhaps crisscross winding, the limited netted floater of deformation when being blockked by the striker plate.

The utility model discloses in, "saw material" means saw off, cut off, means can cut off the part that stereoplasm floater 17 both sides or both ends surpass salvage net chain 11 to guarantee that stereoplasm floater 17 continues to carry.

Example 1

As the utility model discloses basic embodiment, the utility model discloses a cutting machine for clear equipment of floating, cutting equipment fixes on fishing device 1, including two sets of cutting assembly who is located fishing device 1 both sides respectively. Each group of cutting assemblies comprises a support 2, a material guide section 8, a cutting device, a clamping device, a first driving piece and a second driving piece. The cutting device is hinged to the top of the support 2 through a first pin shaft 3, and the clamping device is hinged to the bottom of the support 2 through a second pin shaft 4. The support 2 is fixed on the fishing device 1, a sunken limiting part 6 is arranged on the support 2, and the sunken direction of the limiting part 6 is the same as the feeding direction of the floating objects. One end of the material guiding section 8 is connected with the limiting part 6, and the other end of the material guiding section is downward inclined towards the inlet direction of the floating objects. First driving piece and second driving piece are not limited to concrete structure, as long as can realize driving cutting device and wind first round pin axle 3 is rotatory from top to bottom, drive clamping device around second round pin axle 4 rotatory can, can be the simplest pneumatic cylinder, through the fixed direction of adjustment pneumatic cylinder for the other end of the piston rod of pneumatic cylinder links to each other with cutting device or clamping device, and through the moving direction of adjustment piston rod, can realize first driving piece drive cutting device is rotatory from top to bottom around first round pin axle 3, second driving piece drive clamping device is rotatory from top to bottom around second round pin axle 4, makes clamping device upwards rotate and 6 enclose to close and form the centre gripping space with spacing portion.

Example 2

As a preferred embodiment of the utility model, the utility model discloses a cutting machine for clear equipment of floating, cutting equipment fixes on fishing device 1. The fishing device 1 is the prior art in the field, and the technical scheme does not improve the fishing device, but only improves cutting equipment installed on the fishing device 1.

The cutting equipment comprises two groups of cutting assemblies which are respectively positioned at two sides of the fishing device 1. Each group of cutting assemblies comprises a support 2, a material guide section 8, a cutting device, a clamping device, a first driving piece and a second driving piece. The cutting device is hinged with the top of the bracket 2 through a first pin shaft 3. The support 2 is fixed on the fishing device 1, the support 2 is provided with a sunken limiting part 6, one end of the material guiding section 8 is connected with the limiting part 6, and the other end of the material guiding section is downward inclined towards the inlet direction of the floating objects.

The second driving piece comprises a swing arm oil cylinder 16 and a connecting arm 7, the driving end of the swing arm oil cylinder 16 is hinged to one side of the support 2, the telescopic end of the swing arm oil cylinder 16 is hinged to the connecting arm 7, and the other end of the connecting arm 7 is hinged to the bottom of the support 2 through a second pin shaft 4. The holding device is a swing arm structure 18, one end of the swing arm structure 18 is connected with the connecting arm 7, and the other end of the swing arm structure 18 is provided with a slip-off prevention part 19. The anti-slip part 19 is provided with an anti-slip groove or an anti-slip tooth 20 on one side facing the limiting part 6. The first driving piece is used for driving the cutting device to rotate up and down around the first pin shaft 3, and the second driving piece is used for driving the clamping device to rotate up and down around the second pin shaft 4, so that the clamping device rotates upwards and forms a clamping space with the limiting part 6 in an enclosing mode.

Example 3

As another preferred embodiment of the utility model, the utility model discloses a cutting machine for clear equipment of floating, including two sets of cutting assembly that are located fishing device 1 both sides respectively. Each group of cutting assemblies comprises a support 2, a material guide section 8, a cutting device, a clamping device, a first driving piece and a second driving piece. The cutting device comprises a saw cutting piece, a moving rod 10 and a third driving piece 9 for driving the saw cutting piece to move along the direction of the moving rod 10, wherein the moving rod 10 is connected with the first pin shaft 3, so that the cutting device is hinged to the top of the support 2 through the first pin shaft 3. The sawing part comprises a sawing frame 12 movably connected with the moving rod 10, a motor 13 arranged on the sawing frame 12, and a sawing device 14 arranged on the sawing frame 12 and driven by the motor 13. The saw 14 is a chain saw.

The clamping device is hinged with the bottom of the support 2 through a second pin shaft 4. The support 2 is fixed on the fishing device 1, the support 2 is provided with a sunken limiting part 6, one end of the material guiding section 8 is connected with the limiting part 6, and the other end of the material guiding section is downward inclined towards the inlet direction of the floating objects. The first driving piece is used for driving the cutting device to rotate up and down around the first pin shaft 3, and the second driving piece is used for driving the clamping device to rotate up and down around the second pin shaft 4, so that the clamping device rotates upwards and forms a clamping space with the limiting part 6 in an enclosing mode.

Example 4

As the best mode of the present invention, referring to the attached drawings 1-4 of the specification, the present invention includes a cutting machine for a float-garbage disposal apparatus, wherein the cutting apparatus is fixed on a fishing device 1, and can be specifically located at the middle and rear sections of a fishing net chain 11 in the fishing device 1. The fishing device 1 and the fishing net chain 11 are in the prior art in the field, the fishing net chain 11 is positioned at the upper part of the fishing device 1, the fishing net chain is driven to move by a driving device, and floaters on the water surface are fished and conveyed to a storage bin in the moving process of the fishing net chain 11.

The cutting equipment comprises two groups of cutting assemblies which are respectively positioned at two sides of the fishing device 1. Each group of cutting assemblies comprises a support 2, a material guide section 8, a cutting device, a clamping device, a first driving piece and a second driving piece.

The bottom of the support 2 is fixed on the fishing device 1, the top of the support 2 is provided with a pin hole for the first pin shaft 3 to pass through, and the middle of the support 2 is provided with a sunken limiting part 6. The bottom of the material guiding section 8 is fixed on the fishing device 1, the upper surface of the material guiding section 8 is downward inclined towards the inlet direction of the floating objects, and one end of the material guiding section is connected with the support 2, so that the upper surface of the material guiding section 8 can be smoothly connected with the limiting part 6.

The second driving piece comprises a swing arm oil cylinder 16 and a connecting arm 7, the driving end of the swing arm oil cylinder 16 is hinged to one side of the support 2, the telescopic end of the swing arm oil cylinder 16 is hinged to the connecting arm 7, and the other end of the connecting arm 7 is hinged to the bottom of the support 2 through a second pin shaft 4. The clamping device is a swing arm structure 18, one end of the swing arm structure 18 is connected with the second pin shaft 4, the other end of the swing arm structure 18 is provided with a disengagement preventing part 19, and under the action of the second driving piece, the swing arm structure 18 can rotate up and down around the second pin shaft 4, so that the swing arm structure 18 rotates upwards along with the disengagement preventing part 19 and forms a clamping space with the limiting part 6 in a surrounding mode. In order to achieve a better clamping function and to avoid slipping, a slip-preventing groove or a slip-preventing tooth 20 is provided on the slip-preventing portion 19 on the side facing the limiting portion 6.

The first driving piece comprises a lifting driver 5 and a connecting swing rod 15, and the lifting driver 5 is a telescopic oil cylinder. The lifting driver 5 is hinged to one side of the support 2, one end of the connecting swing rod 15 is hinged to the telescopic end of the lifting driver 5, and the other end of the connecting swing rod is hinged to the top of the support 2 through a first pin shaft 3.

The cutting device comprises a saw cutting piece, a moving rod 10 and a third driving piece 9 for driving the saw cutting piece to move along the moving rod 10, wherein the moving rod 10 is connected with the first pin shaft 3, so that the first driving piece can drive the moving rod 10 and the saw cutting piece to rotate up and down around the first pin shaft 3. The sawing part comprises a sawing frame 12 movably connected with the moving rod 10, a motor 13 arranged on the sawing frame 12, and a sawing device 14 arranged on the sawing frame 12 and driven by the motor 13. The movable connection between the moving rod 10 and the sawing frame 12 is conventional in the art, for example, a telescopic cylinder is provided on the moving rod 10 to drive the sawing frame 12 to move along the moving rod 10; also can set up the lead screw on the carriage release lever 10, set up the screw nut with lead screw roll connection on saw cutting frame 12 to drive saw cutting frame 12 and move along carriage release lever 10, the suitable swing joint mode can be selected according to equipment actual working conditions to the skilled in the art, and select suitable machine parts, the utility model discloses do not do the restriction to this.

The saw 14 is a disc saw or chain saw. In the above structure, the distance between the saw cutters 14 located at both sides of the fishing net chain 11 is smaller than the width of the fishing net chain 11, so that the length of the hard float 17 after being cut off can be smaller than the width of the fishing net chain 11. The disc saw and the chain saw are both sawing devices 14 commonly used in the field, and can be driven by a motor 13 to saw the hard floating objects 17, and the disc saw is taken as an example in the embodiment.

The cutting equipment is divided into a working state and a non-working state, wherein the working state refers to the state when the hard floater 17 is cut, and when the hard floater 17 is not required to be cut, the cutting device is in the non-working state (namely the lifting driver 5 is in the minimum state of the installation stroke). The working principle is as follows: when the fishing device 1 works, the floating objects on the water surface are conveyed upwards through the fishing net chain 11, and for the hard floating objects 17 with two ends hanging out of the table surface of the fishing net chain 11, when the two overhanging ends of the hard floater 17 are conveyed to the material guiding section 8 of the cutting equipment, the piston rod of the swing arm oil cylinder 16 starts to act and gradually extends, so that the swing arm structure 18 swings anticlockwise and upwards around the second pin shaft 4 until the hard floater 17 is clamped, the swing arm oil cylinder 16 stops working, when the swing arm structure 18 clamps the hard floater 17 and the swing arm cylinder 16 stops working, the piston rod of the lifting driver 5 starts to move and gradually extends, the moving rod 10 and the sawing part swing downwards clockwise around the first pin shaft 3, after the saw cutter 14 swings in place, the saw cutter is driven by the third driving part 9 to move in the direction close to the hard floater 17, and two overhanging ends of the clamped hard floater 17 are cut off in the moving process. After cutting, the piston rod of the lifting driver 5 is contracted, the saw cutter 14 and the movable rod 10 swing upwards anticlockwise around the first pin shaft 3, and the saw cutter 14 moves to the farthest end and returns to the non-working state; meanwhile, the piston rod of the swing arm cylinder 16 is contracted, and the swing arm structure 18 swings clockwise and downwards around the second pin shaft 4 to an initial state to prepare for the next work.

In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention do not need creative mental labor and make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a cutting machine for clear equipment that floats which characterized in that: comprises two groups of cutting assemblies which are respectively positioned at two sides of the fishing device (1); each group of cutting assemblies comprises a support (2), a material guide section (8), a cutting device, a clamping device, a first driving piece and a second driving piece, wherein the cutting device is hinged to the top of the support (2) through a first pin shaft (3), and the clamping device is hinged to the bottom of the support (2) through a second pin shaft (4); the support (2) is fixed on the fishing device (1), a sunken limiting part (6) is arranged on the support (2), one end of the material guide section (8) is connected with the limiting part (6), and the other end of the material guide section is downward inclined towards the inlet direction of a floating object; the first driving piece is used for driving the cutting device to rotate up and down around the first pin shaft (3), and the second driving piece is used for driving the clamping device to rotate up and down around the second pin shaft (4), so that the clamping device rotates up and forms a clamping space with the limiting part (6) in an enclosing mode.

2. The cutting machine for a bleaching device according to claim 1, characterized in that: the clamping device is a swing arm structure (18), one end of the swing arm structure (18) is hinged with the support (2), and the other end of the swing arm structure is provided with a slip-off prevention part (19).

3. The cutting machine for a bleaching device according to claim 2, characterized in that: and an anti-slip groove or an anti-slip tooth (20) is arranged on one side of the anti-slip part (19) facing the limiting part (6).

4. A cutting machine for a bleaching apparatus according to claim 3, characterized in that: the second driving piece comprises a swing arm oil cylinder (16) and a connecting arm (7), the driving end of the swing arm oil cylinder (16) is hinged to one side of the support (2), the telescopic end of the swing arm oil cylinder (16) is hinged to the connecting arm (7), and the other end of the connecting arm (7) is hinged to the bottom of the support (2) through a second pin shaft (4).

5. A cutting machine for a bleaching plant according to claim 1 or 4, characterized in that: the cutting device comprises a sawing piece, a moving rod (10) and a third driving piece (9) for driving the sawing piece to move along the direction of the moving rod (10), and the moving rod (10) is connected with the first pin shaft (3).

6. The cutting machine for a bleaching device according to claim 5, characterized in that: the sawing piece comprises a sawing frame (12) movably connected with the moving rod (10), a motor (13) arranged on the sawing frame (12), and a sawing device (14) arranged on the sawing frame (12) and driven by the motor (13).

7. The cutting machine for a bleaching device according to claim 6, characterized in that: the saw (14) is a disc saw or a chain saw.

8. The cutting machine for a bleaching device according to claim 7, characterized in that: the first driving piece comprises a lifting driver (5) and a connecting swing rod (15), the lifting driver (5) is hinged to one side of the support (2), one end of the connecting swing rod (15) is hinged to the telescopic end of the lifting driver (5), and the other end of the connecting swing rod is hinged to the top of the support (2) through a first pin shaft (3).