CN111014820B

CN111014820B - Band sawing machine

Info

Publication number: CN111014820B
Application number: CN201911236383.1A
Authority: CN
Inventors: 方太进
Original assignee: Shanghai Minggu Civil Defense Equipment Co ltd
Current assignee: Shanghai Minggu Civil Defense Equipment Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2021-03-30
Anticipated expiration: 2039-12-05
Also published as: CN111014820A

Abstract

The invention relates to a band sawing machine, which relates to the technical field of sawing machines and comprises a machine table, a spray head and a cooling liquid tank, wherein a processing structure is arranged outside the machine table and comprises a liquid receiving tank, a filtering device and a cooling device; the liquid receiving tank is arranged below the machine table; the filtering device comprises a filtering box and a filtering mechanism; the top of the filter box is provided with an opening, and a sealing cover is arranged on the opening; one side of the filter box is communicated with a first liquid inlet pipe, one end of the first liquid inlet pipe is communicated with the liquid receiving tank and is provided with a filter plate; the cooling device comprises a cooling box and a cooling mechanism; one end of the filter box is communicated with a first liquid outlet pipe, one end of the first liquid outlet pipe is communicated with a liquid pump, a liquid outlet of the liquid pump is communicated with a second liquid inlet pipe, and one end, away from the liquid pump, of the second liquid inlet pipe is communicated with the top of the cooling box; the cooling box is communicated with the cooling liquid tank through a liquid supply assembly, and the cooling mechanism comprises a cavity, an ice water inlet pipe and an ice water outlet pipe; one end of the ice water inlet pipe is communicated with an ice water source.

Description

Band sawing machine

Technical Field

The invention relates to the technical field of sawing machines, in particular to a band sawing machine.

Background

The sawing machine is a machine tool for cutting large-sized workpieces into required shapes or small-sized workpieces in advance in a continuous cutting production process, the sawing machine is usually used for cutting large-sized workpieces into required shapes or small-sized workpieces, the working mode of the sawing machine is that the position of a saw blade is determined, then the saw blade is rotated at a high speed, and further the workpiece is cut and processed by the left feeding motion of the workpiece. Therefore, the sawing machine is widely applied to various fields of national economy such as steel, petroleum, automobiles and the like.

In the prior art, reference may be made to chinese patent application with publication number CN106903370A, which discloses a semi-automatic band sawing machine, including a machine table, a vertical adjusting hand wheel and a cooling water spray head, a bottom plate is arranged at the upper end of the machine table, a cooling water tank is arranged on the machine table on the right side of the bottom plate, a horizontal adjusting plate is arranged at the upper end of the bottom plate, a horizontal adjusting hand wheel is arranged on the horizontal adjusting plate, a vertical adjusting plate is arranged at the upper end of the horizontal adjusting plate, a vertical adjusting hand wheel is arranged on the vertical adjusting plate, a main hydraulic cylinder is arranged on the vertical adjusting plate, a driving wheel box is arranged on the main hydraulic cylinder, the two driving wheel boxes are connected through an intermediate connecting arm, a movable guide rail is arranged between the two driving wheel boxes, a movable guide arm is arranged on the movable guide. The supporting hydraulic oil cylinder is arranged on the outer side of the driving wheel box, so that cutting is facilitated, the cutting sight is effectively prevented from being blocked, and the adjusting is more convenient compared with the setting and the middle adjusting.

The above prior art solutions have the following drawbacks: the coolant is not easily disposed of, and thus the coolant is easily wasted.

Disclosure of Invention

In view of the defects in the prior art, the invention aims to provide a band sawing machine which is convenient to process cooling liquid through a processing structure, so that the waste of the cooling liquid can be reduced.

The above object of the present invention is achieved by the following technical solutions:

a band sawing machine comprises a machine table, a spray head and a cooling liquid tank, wherein a processing structure for processing cooling liquid is arranged outside the machine table, and the processing structure comprises a liquid receiving tank, a filtering device and a cooling device which are sequentially arranged along the flow direction of the cooling liquid; the liquid receiving tank is arranged below the machine table; the filtering device comprises a filtering box arranged outside the machine table and a filtering mechanism arranged in the filtering box; an opening is formed in the top of the filter box, and a sealing cover is mounted on the opening; one side of the filter box is communicated with a first liquid inlet pipe, one end of the first liquid inlet pipe, which is far away from the filter box, is communicated with the liquid receiving tank and is provided with a filter plate; the cooling device comprises a cooling box arranged outside the machine table and a cooling mechanism arranged in the cooling box; one end of the filter box, which is far away from the first liquid inlet pipe, is communicated with a first liquid outlet pipe, one end of the first liquid outlet pipe, which is far away from the filter box, is communicated with a liquid pump, a liquid outlet of the liquid pump is communicated with a second liquid inlet pipe, and one end of the second liquid inlet pipe, which is far away from the liquid pump, is communicated with the top of the cooling box; the cooling box is communicated with the cooling liquid tank through a liquid supply assembly, and the cooling mechanism comprises a cavity arranged on the side wall of the cooling box, an ice water inlet pipe communicated with the cavity and an ice water outlet pipe communicated with the cavity; and one end of the ice water inlet pipe, which is far away from the cavity, is communicated with an ice water source.

By adopting the technical scheme, the cooling liquid in the liquid receiving tank flows into the filter box under the action of gravity, is conveyed into the cooling tank through the liquid pump after being filtered by the filter mechanism, and is conveyed to the cooling liquid tank through the liquid supply assembly after being cooled; in conclusion, by arranging the processing structure, the cooling liquid is convenient to process, so that the waste of the cooling liquid can be reduced.

The present invention in a preferred example may be further configured to: a stirring mechanism is arranged in the cooling box and comprises a horizontal plate fixedly connected in the cooling box, a vertical shaft rotatably connected to the horizontal plate and a stirring paddle fixedly connected to the vertical shaft; and the horizontal plate is provided with a transmission assembly for driving the vertical shaft to rotate.

Through adopting above-mentioned technical scheme, rotate through transmission assembly drive vertical axis, vertical axis rotation drive stirring rake rotates to can accelerate the cooling rate of coolant liquid, therefore the coolant liquid of being convenient for is cooled down to the saw blade.

The present invention in a preferred example may be further configured to: the transmission assembly comprises a horizontal shaft rotationally connected to the top of the horizontal plate, a water wheel fixedly connected to one end of the horizontal shaft and a main bevel gear fixedly connected to the other end of the horizontal shaft; one end of the second liquid inlet pipe, which is far away from the liquid pump, is arranged towards the water wheel; and the top of the vertical shaft is fixedly connected with a secondary bevel gear, and the primary bevel gear is meshed with the secondary bevel gear.

By adopting the technical scheme, the cooling liquid sprayed out of the second liquid inlet pipe drives the water wheel to rotate, the water wheel rotates to drive the horizontal shaft to rotate, the horizontal shaft rotates to drive the main bevel gear to rotate, the main bevel gear rotates to drive the auxiliary bevel gear to rotate, and the auxiliary bevel gear rotates to drive the vertical shaft to rotate; through setting up transmission assembly, be convenient for drive vertical axis rotates.

The present invention in a preferred example may be further configured to: the filtering mechanism comprises a slot arranged at the top of the filtering box, a frame inserted in the slot and a filtering net arranged in the frame; and a fixing mechanism for fixing the sealing cover and the frame is installed at the top of the filter box.

By adopting the technical scheme, the frame is convenient to mount by arranging the slot; the filter screen is arranged, so that the cooling liquid is conveniently filtered; through setting up fixed establishment, be convenient for fix sealed lid and frame.

The present invention in a preferred example may be further configured to: the fixing mechanism comprises two abutting blocks connected to the top of the filter box in a sliding mode along the length direction of the slot and a driving assembly arranged on the top of the filter box and used for driving the two abutting blocks to move towards or away from each other; the bottom of each abutting block is fixedly connected with a dovetail block, and the top of the filter box is provided with a dovetail groove for the dovetail block to slide along the length direction of the slot; the ends, far away from each other, of the two abutting blocks abut against the sealing cover and the frame respectively.

By adopting the technical scheme, the driving assembly drives the two abutting blocks to move back to back, so that the sealing cover and the frame can be fixed; through setting up fixed establishment, be convenient for fix sealed lid and frame.

The present invention in a preferred example may be further configured to: the driving assembly comprises a vertical plate vertically and fixedly connected to the top of the filter box, a supporting plate vertically and fixedly connected to one side, away from the filter box, of the vertical plate, a lead screw rotatably connected to the supporting plate and a hand wheel fixedly connected to the top of the lead screw; the bottom of the screw rod is in threaded connection with a vertical rod, the vertical rod is connected to the bottom of the supporting plate in a sliding mode along the vertical direction, a guide rod is fixedly connected to the top of the vertical rod, a sleeve is fixedly connected to the bottom of the supporting plate, and the guide rod is connected to the inner cavity of the sleeve in a sliding mode along the vertical direction; a connecting shaft is rotatably connected below the vertical rod, a first gear is fixedly sleeved on the connecting shaft, racks are fixedly connected to the opposite inner sides of the two abutting blocks respectively, and the two racks are meshed with the first gear; and a matching component for driving the first gear to rotate is arranged between the vertical rod and the connecting shaft.

By adopting the technical scheme, the lead screw is rotated by rotating the hand wheel, the lead screw rotates to drive the vertical rod to move downwards, the vertical rod drives the first gear to rotate under the action of the matching assembly, the first gear rotates to drive the two racks to move back to back, and the two racks move back to drive the two abutting blocks to move back to back; through setting up drive assembly, be convenient for drive two butt pieces and remove mutually.

The present invention in a preferred example may be further configured to: the matching assembly comprises a plurality of spiral blocks fixedly connected to the outer side wall of the vertical rod, a through hole formed in the top of the connecting shaft and a plurality of spiral grooves formed in the through hole; the spiral blocks are matched with the spiral grooves in a one-to-one correspondence mode.

By adopting the technical scheme, the vertical rod can conveniently drive the connecting shaft to rotate by arranging the spiral groove and the spiral block, and the connecting shaft rotates to drive the first gear to rotate; through setting up the cooperation subassembly, be convenient for drive first gear and rotate.

The present invention in a preferred example may be further configured to: a rotating shaft is rotatably connected in the filter box, a plurality of baffles are sequentially and fixedly connected to the outer side wall of the rotating shaft along the circumferential direction of the rotating shaft, and the baffles are arranged corresponding to one end of the first liquid inlet pipe, which is far away from the liquid receiving tank; the lateral wall setting and the rigid coupling of the one end protrusion rose box of pivot have the second gear, the lateral wall of rose box rotates and is connected with the minor axis, the cover is established on the minor axis and is fixed with the third gear, the second gear with the third gear meshes mutually, just the second gear with the gear ratio of third gear is five than one, the one end rigid coupling that the third gear was kept away from to the minor axis has the flabellum, the flabellum sets up towards the lateral wall of rose box.

Through adopting above-mentioned technical scheme, the coolant liquid is spouted to the baffle from first feed liquor pipe, and the baffle rotates this moment, and the baffle rotates and drives the pivot and rotate, and the pivot rotates and drives second gear revolve, and second gear revolve drive third gear revolve, and third gear revolve drive flabellum rotates, is convenient for like this cool down the rose box.

The present invention in a preferred example may be further configured to: the liquid supply assembly comprises a liquid supply pump arranged outside the machine table, a second liquid outlet pipe communicated with an inlet of the liquid supply pump and a third liquid inlet pipe communicated with an outlet of the liquid supply pump; one end, far away from the liquid feed pump, of the second liquid outlet pipe is communicated with the bottom of the cooling box and provided with a manual valve, and one end, far away from the liquid feed pump, of the third liquid inlet pipe is communicated with the cooling liquid tank.

Through adopting above-mentioned technical scheme, through setting up the feed pump, be convenient for carry the coolant bath with the filtrate in the cooler bin.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the cooling liquid in the liquid receiving tank flows into the filter box under the action of gravity, is filtered by the filter mechanism and then is conveyed into the cooling tank through the liquid pump, and is then conveyed to the cooling liquid tank through the liquid supply assembly after being cooled; in conclusion, the cooling liquid is convenient to treat by arranging the treatment structure, so that the waste of the cooling liquid can be reduced;

2. the lead screw is rotated through the rotating hand wheel, the lead screw rotates to drive the vertical rod to move downwards, the vertical rod drives the first gear to rotate under the action of the matching assembly, the first gear drives the two racks to move back and forth, and the two racks move back and forth to drive the two abutting blocks to move back and forth; the driving assembly is arranged, so that the two abutting blocks can be driven to move back and forth conveniently;

3. the coolant liquid is spouted to the baffle from first feed liquor pipe, and the baffle rotates this moment, and the baffle rotates and drives the pivot rotation, and the pivot rotates and drives second gear revolve, and second gear revolve drive third gear revolve, and third gear revolve drive flabellum rotates, is convenient for like this cool down the rose box.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic diagram illustrating a highlighted processing structure in one embodiment;

FIG. 3 is a partial cross-sectional view of a highlighted filter screen in an embodiment;

FIG. 4 is a schematic view showing the structure of the fixing mechanism in the embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial sectional view showing a stirring mechanism in a highlighted manner in the embodiment.

In the figure, 1, a machine; 11. a spray head; 12. a cooling liquid tank; 2. processing the structure; 21. a liquid receiving tank; 3. a filtration device; 31. a filter box; 311. a dovetail groove; 32. an opening; 33. a sealing cover; 34. a first liquid inlet pipe; 4. a filtering mechanism; 41. a slot; 42. a frame; 43. a filter screen; 5. a fixing mechanism; 51. a butting block; 511. a dovetail block; 52. a drive assembly; 521. a vertical plate; 522. a support plate; 523. a lead screw; 5231. a hand wheel; 524. a vertical rod; 5241. a guide bar; 5242. a sleeve; 525. a connecting shaft; 526. a first gear; 527. a rack; 528. a screw block; 529. a through hole; 5291. a helical groove; 6. a rotating shaft; 61. a baffle plate; 62. a second gear; 63. a minor axis; 64. a third gear; 65. a fan blade; 7. a cooling device; 71. a cooling tank; 72. a first liquid outlet pipe; 73. a liquid pump; 74. a second liquid inlet pipe; 8. a cooling mechanism; 81. a cavity; 82. ice water enters the pipe; 83. an ice water outlet pipe; 84. a liquid supply assembly; 841. a liquid supply pump; 842. a second liquid outlet pipe; 843. a third liquid inlet pipe; 844. a manual valve; 9. a stirring mechanism; 91. a horizontal plate; 92. a vertical axis; 93. a stirring paddle; 94. a transmission assembly; 941. a horizontal axis; 942. a water wheel; 943. a main bevel gear; 944. from the bevel gear.

Detailed Description

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

As shown in fig. 1 and fig. 2, a band sawing machine disclosed by the present invention includes a machine table 1, a spray head 11 and a cooling liquid tank 12, a processing structure 2 for processing cooling liquid is installed outside the machine table 1, and the processing structure 2 includes a liquid receiving tank 21, a filtering device 3 and a cooling device 7 which are sequentially arranged along the flow direction of the cooling liquid; the liquid receiving tank 21 is installed below the machine 1.

As shown in fig. 1 and 2, the filtering device 3 includes a filtering tank 31 installed outside the machine platform 1 and a filtering mechanism 4 installed inside the filtering tank 31; an opening 32 is formed in the top of the filter box 31, and a sealing cover 33 is mounted on the opening 32; one side of the filter tank 31 is communicated with a first liquid inlet pipe 34, one end of the first liquid inlet pipe 34, which is far away from the filter tank 31, is communicated with the liquid receiving tank 21 and is provided with a filter plate (not shown in the figure); as shown in fig. 3, the filtering mechanism 4 includes a slot 41 opened at the top of the filtering box 31, a frame 42 inserted into the slot 41, and a filtering net 43 installed in the frame 42; the top of the filter tank 31 is provided with a fixing mechanism 5 for fixing the seal cover 33 and the frame 42. The frame 42 is convenient to mount by arranging the slot 41; the filter screen 43 is arranged, so that the cooling liquid can be conveniently filtered; by providing the fixing mechanism 5, the sealing cover 33 and the frame 42 are fixed easily.

As shown in fig. 3 and 4, the fixing mechanism 5 includes two abutting blocks 51 slidably connected to the top of the filter box 31 along the length direction of the slot 41, and a driving assembly 52 mounted on the top of the filter box 31 for driving the two abutting blocks 51 to move toward or away from each other; the bottom of each abutting block 51 is fixedly connected with a dovetail block 511, and the top of the filter box 31 is provided with a dovetail groove 311 for the dovetail block 511 to slide along the length direction of the slot 41; the mutually distant ends of the two abutment blocks 51 abut against the seal cover 33 and the frame 42, respectively. The two abutting blocks 51 are driven to move back and forth by the driving assembly 52, so that the sealing cover 33 and the frame 42 can be fixed; by providing the fixing mechanism 5, the sealing cover 33 and the frame 42 are fixed easily.

As shown in fig. 4 and 5, the driving assembly 52 includes a vertical plate 521 vertically fixed on the top of the filter box 31, a support plate 522 vertically fixed on one side of the vertical plate 521 away from the filter box 31, a lead screw 523 rotatably connected to the support plate 522 through a bearing, and a hand wheel 5231 fixed on the top of the lead screw 523; the bottom of the screw 523 is in threaded connection with a vertical rod 524, the vertical rod 524 is connected to the bottom of the support plate 522 in a sliding manner along the vertical direction, the top of the vertical rod 524 is fixedly connected with a guide rod 5241, the bottom of the support plate 522 is fixedly connected with a sleeve 5242, and the guide rod 5241 is connected to the inner cavity of the sleeve 5242 in a sliding manner along the vertical direction; a connecting shaft 525 is rotatably connected below the vertical rod 524 through a bearing, a first gear 526 is fixedly sleeved on the connecting shaft 525, racks 527 are fixedly connected to the opposite inner sides of the two abutting blocks 51 respectively, and the two racks 527 are meshed with the first gear 526; a matching component for driving the first gear 526 to rotate is arranged between the vertical rod 524 and the connecting shaft 525; the matching component comprises a plurality of spiral blocks 528 fixedly connected to the outer side wall of the vertical rod 524, a through hole 529 formed in the top of the connecting shaft 525 and a plurality of spiral grooves 5291 formed in the through hole 529; the spiral blocks 528 are fitted in the spiral grooves 5291 in a one-to-one correspondence. The lead screw 523 is rotated by rotating the hand wheel 5231, the lead screw 523 rotates to drive the vertical rod 524 to move downwards, at the moment, the vertical rod 524 drives the first gear 526 to rotate under the action of the spiral block 528 and the spiral groove 5291, the first gear 526 drives the two racks 527 to move back and forth, and the two racks 527 move back and forth to drive the two abutting blocks 51 to move back and forth; the driving assembly 52 is provided to drive the two abutting blocks 51 to move back and forth.

As shown in fig. 1 and 3, a rotating shaft 6 is rotatably connected in the filter box 31 through a bearing, a plurality of baffles 61 are fixedly connected to the outer side wall of the rotating shaft 6 along the circumferential direction thereof in sequence, and the baffles 61 are arranged corresponding to one end of the first liquid inlet pipe 34 far away from the liquid receiving tank 21; one end of the rotating shaft 6 protrudes out of the outer side wall of the filter box 31 and is fixedly connected with a second gear 62, the outer side wall of the filter box 31 is rotatably connected with a short shaft 63 through a bearing, a third gear 64 is fixedly sleeved on the short shaft 63, the second gear 62 is meshed with the third gear 64, the gear ratio of the second gear 62 to the third gear 64 is five to one, one end of the short shaft 63, which is far away from the third gear 64, is fixedly connected with a fan blade 65, and the fan blade 65 faces the outer side wall of the filter box 31. The coolant liquid is sprayed to the baffle 61 from the first liquid inlet pipe 34, at the moment, the baffle 61 rotates to drive the rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive the second gear 62 to rotate, the second gear 62 rotates to drive the third gear 64 to rotate, and the third gear 64 rotates to drive the fan blades 65 to rotate, so that the filter box 31 is cooled conveniently.

As shown in fig. 2 and 6, the cooling device 7 includes a cooling tank 71 installed outside the machine base 1 and a cooling mechanism 8 installed inside the cooling tank 71; one end of the filter box 31, which is far away from the first liquid inlet pipe 34, is communicated with a first liquid outlet pipe 72, one end of the first liquid outlet pipe 72, which is far away from the filter box 31, is communicated with a liquid pump 73, a liquid outlet of the liquid pump 73 is communicated with a second liquid inlet pipe 74, and one end of the second liquid inlet pipe 74, which is far away from the liquid pump 73, is communicated with the top of the cooling box 71; the cooling tank 71 is communicated with the cooling liquid tank 12 through a liquid supply assembly 84, and the cooling mechanism 8 comprises a cavity 81 formed in the side wall of the cooling tank 71, an ice water inlet pipe 82 communicated with the cavity 81 and an ice water outlet pipe 83 communicated with the cavity 81; one end of the ice water inlet pipe 82 far away from the cavity 81 is communicated with an ice water source, and the ice water can be made of liquid nitrogen or liquid ammonia. The liquid pump 73 is started, at this time, the cooling liquid in the filter box 31 enters the cooling box 71, and then the cooling liquid is conveyed to the cooling liquid tank 12 through the liquid supply assembly 84 after being cooled; the cooling device 7 is provided to facilitate cooling of the coolant in the cooling tank 71.

The liquid supply assembly 84 includes a liquid supply pump 841 installed outside the machine platform 1, a second liquid outlet pipe 842 communicated with an inlet of the liquid supply pump 841, and a third liquid inlet pipe 843 communicated with an outlet of the liquid supply pump 841; one end of the second liquid outlet pipe 842 far away from the liquid supply pump 841 is communicated with the bottom of the cooling tank 71 and is provided with a manual valve 844, and one end of the third liquid inlet pipe 843 far away from the liquid supply pump 841 is communicated with the cooling liquid tank 12. The liquid feed pump 841 is provided to facilitate the transfer of the filtrate in the cooling tank 71 to the cooling liquid tank 12.

A stirring mechanism 9 is arranged in the cooling box 71, and the stirring mechanism 9 comprises a horizontal plate 91 fixedly connected in the cooling box 71, a vertical shaft 92 rotatably connected to the horizontal plate 91 through a bearing, and a stirring paddle 93 fixedly connected to the vertical shaft 92; the horizontal plate 91 is provided with a transmission assembly 94 for driving the vertical shaft 92 to rotate. Through the rotation of transmission unit 94 drive vertical axis 92, vertical axis 92 rotates drive stirring rake 93 and rotates to can accelerate the cooling rate of coolant liquid, therefore the coolant liquid of being convenient for is cooled down to the saw blade.

The transmission assembly 94 comprises a horizontal shaft 941 rotatably connected to the top of the horizontal plate 91 through a bearing, a water wheel 942 fixedly connected to one end of the horizontal shaft 941, and a main bevel gear 943 fixedly connected to the other end of the horizontal shaft 941; the end of the second liquid inlet pipe 74 far away from the liquid pump 73 is arranged towards the water wheel 942; a slave bevel gear 944 is fixed to the top of the vertical shaft 92, and the master bevel gear 943 meshes with the slave bevel gear 944. The cooling liquid sprayed from the second liquid inlet pipe 74 drives the water wheel 942 to rotate, the water wheel 942 drives the horizontal shaft 941 to rotate, the horizontal shaft 941 drives the main bevel gear 943 to rotate, the main bevel gear 943 drives the auxiliary bevel gear 944 to rotate in a rotating manner, and the auxiliary bevel gear 944 drives the vertical shaft 92 to rotate in a rotating manner; the vertical shaft 92 is driven to rotate by the transmission assembly 94.

The implementation principle of the embodiment is as follows: the cooling liquid in the liquid receiving tank 21 flows into the filter box 31 under the action of gravity, is filtered by the filter screen 43, is conveyed into the cooling tank 71 through the liquid pump 73, is cooled, and is conveyed to the cooling liquid tank 12 through the liquid supply pump 841; in summary, by providing the processing structure 2, the processing of the cooling liquid is facilitated, and thus the waste of the cooling liquid can be reduced.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a band sawing machine, includes board (1), shower nozzle (11) and cooling liquid groove (12), its characterized in that: a processing structure (2) for processing cooling liquid is arranged outside the machine table (1), and the processing structure (2) comprises a liquid receiving tank (21), a filtering device (3) and a cooling device (7) which are sequentially arranged along the flow direction of the cooling liquid; the liquid receiving tank (21) is arranged below the machine table (1);

the filtering device (3) comprises a filtering box (31) arranged outside the machine table (1) and a filtering mechanism (4) arranged in the filtering box (31); an opening (32) is formed in the top of the filter box (31), and a sealing cover (33) is mounted on the opening (32); one side of the filter box (31) is communicated with a first liquid inlet pipe (34), one end, far away from the filter box (31), of the first liquid inlet pipe (34) is communicated with the liquid receiving tank (21) and is provided with a filter plate;

the cooling device (7) comprises a cooling box (71) arranged outside the machine table (1) and a cooling mechanism (8) arranged in the cooling box (71); one end, far away from the first liquid inlet pipe (34), of the filter box (31) is communicated with a first liquid outlet pipe (72), one end, far away from the filter box (31), of the first liquid outlet pipe (72) is communicated with a liquid pump (73), a liquid outlet of the liquid pump (73) is communicated with a second liquid inlet pipe (74), and one end, far away from the liquid pump (73), of the second liquid inlet pipe (74) is communicated with the top of the cooling box (71); the cooling box (71) is communicated with the cooling liquid tank (12) through a liquid supply assembly (84), and the cooling mechanism (8) comprises a cavity (81) formed in the side wall of the cooling box (71), an ice water inlet pipe (82) communicated with the cavity (81), and an ice water outlet pipe (83) communicated with the cavity (81); one end of the ice water inlet pipe (82) far away from the cavity (81) is communicated with an ice water source;

a stirring mechanism (9) is installed in the cooling box (71), and the stirring mechanism (9) comprises a horizontal plate (91) fixedly connected in the cooling box (71), a vertical shaft (92) rotatably connected to the horizontal plate (91) and a stirring paddle (93) fixedly connected to the vertical shaft (92); the horizontal plate (91) is provided with a transmission assembly (94) for driving the vertical shaft (92) to rotate;

the transmission assembly (94) comprises a horizontal shaft (941) rotatably connected to the top of the horizontal plate (91), a water wheel (942) fixedly connected to one end of the horizontal shaft (941) and a main bevel gear (943) fixedly connected to the other end of the horizontal shaft (941); one end of the second liquid inlet pipe (74) far away from the liquid pump (73) is arranged towards the water wheel (942); a secondary bevel gear (944) is fixedly connected to the top of the vertical shaft (92), and the primary bevel gear (943) and the secondary bevel gear (944) are meshed with each other;

the filtering mechanism (4) comprises a slot (41) arranged at the top of the filtering box (31), a frame (42) inserted in the slot (41) and a filter screen (43) arranged in the frame (42); the top of the filter box (31) is provided with a fixing mechanism (5) for fixing a sealing cover (33) and a frame (42);

the fixing mechanism (5) comprises two abutting blocks (51) connected to the top of the filter box (31) in a sliding mode along the length direction of the inserting groove (41) and a driving assembly (52) arranged on the top of the filter box (31) and used for driving the two abutting blocks (51) to move towards or away from each other; the bottom of each abutting block (51) is fixedly connected with a dovetail block (511), and the top of the filter box (31) is provided with a dovetail groove (311) for the dovetail block (511) to slide along the length direction of the slot (41); the far ends of the two abutting blocks (51) abut against the sealing cover (33) and the frame (42) respectively;

the driving assembly (52) comprises a vertical plate (521) vertically and fixedly connected to the top of the filter box (31), a support plate (522) vertically and fixedly connected to one side, far away from the filter box (31), of the vertical plate (521), a lead screw (523) rotatably connected to the support plate (522), and a hand wheel (5231) fixedly connected to the top of the lead screw (523); the bottom of the lead screw (523) is in threaded connection with a vertical rod (524), the vertical rod (524) is connected to the bottom of the support plate (522) in a sliding mode along the vertical direction, a guide rod (5241) is fixedly connected to the top of the vertical rod (524), a sleeve (5242) is fixedly connected to the bottom of the support plate (522), and the guide rod (5241) is connected to an inner cavity of the sleeve (5242) in a sliding mode along the vertical direction; a connecting shaft (525) is rotatably connected below the vertical rod (524), a first gear (526) is fixedly sleeved on the connecting shaft (525), racks (527) are fixedly connected to the opposite inner sides of the two abutting blocks (51) respectively, and the two racks (527) are meshed with the first gear (526); a matching component for driving the first gear (526) to rotate is arranged between the vertical rod (524) and the connecting shaft (525);

the matching component comprises a plurality of spiral blocks (528) fixedly connected to the outer side wall of the vertical rod (524), a through hole (529) formed in the top of the connecting shaft (525) and a plurality of spiral grooves (5291) formed in the through hole (529); the spiral blocks (528) are matched with the spiral grooves (5291) in a one-to-one correspondence mode.

2. A band saw machine according to claim 1, wherein: a rotating shaft (6) is rotatably connected in the filter box (31), a plurality of baffles (61) are sequentially and fixedly connected to the outer side wall of the rotating shaft (6) along the circumferential direction of the rotating shaft, and the baffles (61) are arranged corresponding to one end, far away from the liquid receiving tank (21), of the first liquid inlet pipe (34); the lateral wall setting and the rigid coupling of the one end protrusion rose box (31) of pivot (6) have second gear (62), the lateral wall of rose box (31) rotates and is connected with minor axis (63), the cover is established and is fixed with third gear (64) on minor axis (63), second gear (62) with third gear (64) mesh mutually, just second gear (62) with the gear ratio of third gear (64) is five to one, the one end rigid coupling that third gear (64) were kept away from in minor axis (63) has flabellum (65), flabellum (65) set up towards the lateral wall of rose box (31).

3. A band saw machine according to claim 1, wherein: the liquid supply assembly (84) comprises a liquid supply pump (841) arranged outside the machine table (1), a second liquid outlet pipe (842) communicated with an inlet of the liquid supply pump (841), and a third liquid inlet pipe (843) communicated with an outlet of the liquid supply pump (841); one end, far away from the liquid feed pump (841), of the second liquid outlet pipe (842) is communicated with the bottom of the cooling box (71) and provided with a manual valve (844), and one end, far away from the liquid feed pump (841), of the third liquid inlet pipe (843) is communicated with the cooling liquid tank (12).