Main machine of sponge cutting machine and sponge cutting machine

Abstract

The utility model discloses a sponge cutting machine main machine and a sponge cutting machine. The sponge cutting machine main machine comprises a knife rest device, a knife box assembly and a knife rest front-back moving mechanism which are arranged on a machine frame. The knife rest device comprises a knife rest seat, a knife belt, a driving wheel assembly and a driven wheel assembly, the driving wheel assembly and the driven wheel assembly are arranged on the knife rest seat, and the knife belt is arranged between the driving wheel assembly and the driven wheel assembly in an up-down surrounding mode; the lower part of the knife belt is positioned in the knife box assembly, and the part extending out of the knife box assembly is a cutting part; connecting arms are arranged on the left side and the right side of the tool rest base respectively, the tool rest base is arranged on a tool rest front-back moving mechanism through the connecting arms, the tool rest front-back moving mechanism drives the tool rest base to move front and back, and the extending length of the tool belt in the tool box assembly is automatically adjusted. According to the sponge cutting machine main machine and the sponge cutting machine, the position of the knife belt is adjusted by integrally and automatically adjusting the position of the knife rest base, time and labor are saved, and the production efficiency of equipment is improved; the cutter belt adjusting precision is high, the sponge cutting precision is guaranteed, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sponge processing equipment technical field, specifically a kind of sponge cutting machine host and sponge cutting machine. BACKGROUND

[0002] The knife belt of the existing sponge cutting machine host is installed around the driving wheel and the driven wheel, and the sponge is cut by the high-speed rotation of the driving wheel and the driven wheel. When the position of the knife belt needs to be adjusted, the installation position of the driving wheel and the driven wheel is usually manually adjusted to realize the position adjustment of the knife belt. The adjustment process is time-consuming and laborious, which reduces the production efficiency; after the adjustment of the knife belt, the cutting accuracy cannot be guaranteed, and the equipment operation is unstable.

[0003] Therefore, the above technical problems need to be solved. SUMMARY

[0004] The utility model provides a kind of sponge cutting machine host and sponge cutting machine for the above technical problems, the position of the knife rest seat is automatically adjusted as a whole to realize the position adjustment of the knife belt, which saves time and effort and improves the production efficiency of the equipment;The cutting accuracy of the knife belt is high, the cutting accuracy of the sponge is guaranteed, and the product quality is improved;When cutting sponge after the adjustment of the knife belt, the stress is uniform, the fracture caused by stress concentration of the knife belt is avoided, and the service life of the knife belt is prolonged.

[0005] To achieve the above purpose, the technical scheme of the utility model is:

[0006] A kind of sponge cutting machine host, including rack, the rack is equipped with knife rest device, knife box assembly and knife rest front and back moving mechanism;

[0007] The knife rest device includes knife rest seat, knife belt, driving wheel assembly and driven wheel assembly, the driving wheel assembly and driven wheel assembly are respectively arranged on the knife rest seat, and the knife belt is arranged between the driving wheel assembly and driven wheel assembly in a ring around the upper and lower;

[0008] The lower part of the knife belt is located in the knife box assembly, and the part of the knife belt that extends out of the knife box assembly is the cutting position;

[0009] The left and right of the knife rest seat are respectively provided with connecting arm, and the connecting arm is arranged on the knife rest front and back moving mechanism, the knife rest front and back moving mechanism drives the knife rest seat to move forward and backward, and the extension length of the knife belt in the knife box assembly is automatically adjusted.

[0010] The position of the knife rest seat of the sponge cutting machine host is automatically adjusted as a whole to realize the position adjustment of the knife belt, without manual adjustment, which saves time and effort;The production efficiency of the equipment is improved without stopping during the adjustment process, without interrupting production.

[0011] The protruding length of the blade in the alloy knife box directly affects the cutting depth. By adjusting the position of the blade through the front and rear moving mechanism of the knife holder, the cutting depth can be flexibly controlled according to the thickness of the sponge or the process requirements, and the uniformity of the slice is ensured.

[0012] The blade will gradually wear during high-speed cutting, resulting in a decrease in cutting efficiency. By adjusting the protruding length of the blade through the front and rear moving mechanism, the unworn part can be extended to the cutting position, reducing the frequency of frequent replacement of the blade and reducing the use cost.

[0013] Further optimization scheme, the front and rear moving mechanism of the knife holder includes front and rear moving guide rail slider assembly, front and rear moving drive mechanism, front and rear moving connection long shaft, front and rear moving worm and worm elevator;

[0014] The front and rear moving guide rail slider assembly is two sets, which are arranged left and right, the front and rear moving guide rail slider assembly is arranged between the rack and the knife holder seat, and the knife holder seat moves forward and backward on the rack through the front and rear moving guide rail slider assembly;

[0015] The front and rear moving worm and worm elevator is two sets, which are arranged left and right, and the travel screw rod is horizontally arranged; the moving end of the front and rear moving worm and worm elevator is connected with the knife holder seat, and the fixed end is connected with the rack;

[0016] The two ends of the front and rear moving connection long shaft are connected with the front and rear moving worm and worm elevator respectively;

[0017] The front and rear moving drive mechanism is arranged on the rack, and is transmissionally connected with the front and rear moving connection long shaft.

[0018] The front and rear position of the knife holder seat is automatically adjusted through the automatic action of each transmission part of the front and rear moving mechanism of the knife holder, instead of manual adjustment, reducing the error caused by manual intervention, and having high adjustment precision; the adjustment speed is fast, and the stability of the cutting process is ensured.

[0019] Further optimization scheme, the knife box assembly includes an upper knife plate, a lower knife plate, a middle knife plate, a plurality of top knife plates, a plurality of top knife rods, and a top knife front and rear moving mechanism;

[0020] The end faces of the front sides of the upper knife plate and the lower knife plate are flush, and each has a slope structure with a thickness decreasing toward the end face; the rear sides of the upper knife plate and the lower knife plate are fixedly connected to the upper and lower surfaces of the middle knife plate respectively, the blade penetrates between the upper knife plate and the lower knife plate, and has a gap therebetween; the cutting part of the blade protrudes from the front end face of the upper knife plate;

[0021] One end face of the top knife plate abuts against the rear end face of the blade, and the opposite end face is fixedly connected to the top knife rod, and the top knife rod is transmissionally connected to the top knife front and rear moving mechanism;

[0022] The top-knife front and back moving mechanism drives the top-knife rod to drive the top-knife plate to move forward and backward synchronously with the knife belt.

[0023] The top-knife plate is on the rear end surface of the knife belt, which ensures that the knife belt will not retreat due to resistance during cutting, avoiding cutting interruption or deviation; the top-knife plate moves forward and backward synchronously with the knife belt, maintaining the stability of the cutting process.

[0024] Further optimization scheme, the top-knife front and back moving mechanism includes a top-knife driving mechanism, a top-knife worm, a plurality of top-knife worm gears and a plurality of top-knife bearings;

[0025] The top-knife worm gears are connected in the inner ring of the top-knife bearings, and the outer ring of the top-knife bearings is connected with the intermediate knife plate; the top-knife rod penetrates through the top-knife worm gears and is threadedly connected with them;

[0026] The top-knife worm gears are respectively matched with a plurality of the top-knife worm gears, the top-knife driving mechanism drives the top-knife worm to rotate, and the rotation of the top-knife worm gears drives the top-knife rod to move forward and backward.

[0027] The rotation of the top-knife worm drives the synchronous rotation of the top-knife worm gears on the top-knife bearings, and the inner thread of the top-knife worm gears drives the rotation of the outer thread of the top-knife rod, thereby driving the top-knife rod to move forward and backward.

[0028] Further optimization scheme, the rack is also provided with a knife holder angle adjusting mechanism, which drives the rotation of the knife holder seat to adjust the cutting angle between the knife belt and the sponge.

[0029] The knife holder angle adjusting mechanism drives the rotation of the knife holder seat to automatically adjust the cutting angle between the knife belt and the sponge, so that the contact surface of the knife belt and the sponge is more fitted, the cutting resistance is reduced, and the deformation or tearing of the sponge is avoided; reasonable knife belt angle can reduce cutting vibration, ensure smooth cutting surface and reduce subsequent finishing process; dynamic adjustment of the knife belt angle can avoid excessive wear of one side of the knife belt and prolong the service life of the whole knife belt; inclined cutting disperses the stress on the knife belt and reduces the risk of fracture caused by local stress.

[0030] Further optimization scheme, the knife holder angle adjusting mechanism includes a hinge assembly, an angle adjusting driving mechanism, an angle adjusting connecting long shaft and an angle adjusting assembly;

[0031] The hinge assembly is arranged between the rack and the knife holder front and back moving mechanism;

[0032] The angle adjusting assembly is two sets, which are arranged left and right, and the angle adjusting connecting long shaft is connected between the two; the angle adjusting assembly is connected between the rack and the knife holder seat;

[0033] The angle adjustment driving mechanism is arranged on the frame, the angle adjustment driving mechanism is drivingly connected with the angle adjustment connecting long shaft and drives the rotation of the angle adjustment connecting long shaft, the angle adjustment assembly transmits the rotating action of the angle adjustment connecting long shaft to the tool holder seat, and the tool holder seat rotates around the hinge assembly together with the tool holder back and forth moving mechanism.

[0034] Further optimization scheme, the angle adjustment assembly includes a first mounting plate, a second mounting plate, an angle adjustment worm and nut elevator and a connecting flange;

[0035] The first mounting plate is connected to the tool holder seat, the first mounting plate is rotatably connected to the second mounting plate, and the connecting flange is rotatably connected to the frame;

[0036] The stroke screw of the angle adjustment worm and nut elevator is arranged horizontally, the angle adjustment worm and nut elevator is installed between the second mounting plate and the connecting flange, and the stroke screw of the angle adjustment worm and nut elevator drives the connecting flange and the first mounting plate to rotate up and down.

[0037] Further optimization scheme, the tool holder device further comprises a knife sharpening device, the knife sharpening device is two sets, which is arranged on the upper two surfaces of the upper part of the knife belt;

[0038] The knife sharpening device includes a knife sharpening motor, a grinding wheel and an adjusting device, the knife sharpening motor drives the grinding wheel to rotate and polish the surface of the knife belt, and the adjusting device adjusts the position of the grinding wheel.

[0039] During the cutting of the sponge by the knife belt, the knife sharpening device sharpens the knife belt, so that the knife edge remains sharp and ensures that the sponge cutting surface is smooth.

[0040] Further optimization scheme, the tool holder device further comprises a dust removal device, the dust removal device removes the dust generated by the knife sharpening device;

[0041] The dust removal device includes a dust removal pipe, a water box and an axial flow fan, the water box is installed at the lower part of the dust removal pipe, the opening of the dust removal pipe is aligned with the knife sharpening position, and the axial flow fan is installed at the upper part of the dust removal pipe.

[0042] The dust removal device removes the dust after the knife sharpening device is sharpened, so as to avoid the pollution of the product and the working environment.

[0043] Further optimization scheme, the tool holder device further comprises a front pressure roller assembly, which is provided with a sponge pressure roller, a pressure roller rotating mechanism and a pressure roller lifting mechanism;

[0044] The sponge pressing roller is arranged in front of the cutting position of the cutter belt and presses the sponge, the pressing roller rotating mechanism drives the sponge pressing roller to rotate, and the rotating speed is synchronous with the cutting speed; the pressing roller lifting mechanism drives the sponge pressing roller to move up and down, and the depth of the sponge pressed by the sponge pressing roller is adjusted.

[0045] During the cutting process, the sponge advances, and the sponge is pressed by the sponge pressing roller to prevent the sponge from moving.

[0046] Further optimization scheme, the front pressing roller assembly is further provided with a sponge pressing plate, and the sponge pressing plate is arranged at the rear part of the sponge pressing roller to press the cut sponge.

[0047] The sponge pressing plate presses the cut sponge to prevent it from rolling down, so that the cut sponge is smoothly output in whole.

[0048] Further optimization scheme, the rack is further provided with a cutter holder lifting mechanism, which comprises a lifting driving mechanism, a transmission shaft, a bevel gear box and a lifting assembly;

[0049] The lifting assembly is two sets and is arranged left and right;

[0050] The transmission shaft is horizontally arranged;

[0051] The bevel gear box is two sets and is connected with the lifting assembly respectively, and the transmission shaft is connected between the two sets of bevel gear boxes;

[0052] The cutter holder seat is connected with the lifting assembly respectively at both ends;

[0053] The lifting driving mechanism drives the transmission shaft to rotate, and the transmission is transmitted to the lifting assembly through the bevel gear box, and the lifting assembly drives the cutter holder seat to move up and down.

[0054] The cutter holder lifting mechanism drives the cutter holder seat to move up and down, adjusts the height of the cutter belt, and controls the thickness of the cut sponge.

[0055] Further optimization scheme, the lifting assembly comprises a lifting seat, two sets of linear guides, a ball screw and a screw nut;

[0056] The linear guides and the ball screw are vertically arranged side by side, the ball screw is arranged between the two sets of linear guides, the lifting seat is arranged on the linear guides left and right, and the screw nut is connected in the middle, and the screw nut is matched with the ball screw;

[0057] The ball screw is connected with the bevel gear box, the bevel gear box drives the ball screw to rotate, and the lifting seat moves up and down along the two sets of linear guides.

[0058] The single-sided lifting assembly uses two sets of linear guides and ball screws to ensure the accuracy of the lifting seat's up-and-down movement, thus ensuring the accuracy of the blade belt's cutting of the sponge thickness.

[0059] In a further optimized design, the tool holder device also includes a tensioning device, which is mounted on the tool holder base;

[0060] The passive wheel assembly is mounted on the tensioning device, and the tensioning device drives the passive wheel assembly to move left and right to adjust the tension of the blade belt.

[0061] The optimized design further includes a base, a crossbeam platform, and uprights.

[0062] The crossbeam platform is horizontally positioned above the base;

[0063] There are two columns, one on the left and one on the right, positioned between the base and the crossbeam platform;

[0064] The lifting assembly is vertically mounted on the base;

[0065] The lifting drive mechanism, transmission shaft and bevel gear steering box are respectively mounted on the crossbeam platform.

[0066] A sponge cutting machine, characterized in that it includes the main unit of any of the above-described sponge cutting machines.

[0067] Compared with the prior art, the main unit and the sponge cutting machine of this utility model have the following technical advantages:

[0068] 1. When cutting sponge, the cutting depth, cutting angle and cutting thickness are all adjusted by fully automatic control, eliminating the need for manual adjustment and improving cutting accuracy and production efficiency;

[0069] 2. The modular design of each mechanism facilitates installation and maintenance, extending the service life of the equipment;

[0070] 3. It can adapt to continuous cutting of infinitely long sponges, ensuring that the sponge has a uniform thickness after cutting and a smooth cut surface without burrs, thus improving product quality;

[0071] 4. For sponges of different densities or hardness, the blade can be adjusted to different cutting depths and angles to adapt to the characteristics of the material, preventing the material from springing back or collapsing during cutting, thus improving the utilization rate and service life of the blade. Attached Figure Description

[0072] Figure 1 This is a perspective view of a specific embodiment of the sponge cutting machine main unit of this utility model;

[0073] Figure 2 yes Figure 1 The main view;

[0074] Figure 3 is a right view of Figure 2

[0075] Figure 4 is a rear view of Figure 2

[0076] Figure 5 is a perspective view of the rear portion Figure 1

[0077] Figure 6 is another perspective view of the rear portion Figure 1

[0078] Figure 7 is a close-up view of A Figure 6

[0079] Figure 8 is a perspective view of the tool holder block Figure 1

[0080] Figure 9 is a close-up view of the tool belt mounting Figure 1

[0081] Figure 10 is an exploded view of the tool case assembly Figure 9

[0082] Figure 11 is a perspective view of the angle adjustment assembly Figure 7

[0083] Figure 12 is a perspective view of the front press roller assembly Figure 1

[0084] Figure 13 is a perspective view of the knife sharpening device Figure 1

[0085] Figure 14 is a perspective view of the lifting assembly Figure 1

[0086] Figure 15 is a front view of Figure 14

[0087] ​​​​​​​​​​​​​In the figure: rack 100, base 110, beam platform 120, column 130, tool rest device 200, tool rest seat 210, tool belt 220, driving wheel assembly 230, passive wheel assembly 240, tool sharpening device 250, tool sharpening motor 251, grinding wheel 252, adjustment device 253, dust removal device 260, dust removal pipe 261, water box 262, axial flow fan 263, front pressure roller assembly 270, sponge pressure roller 271, pressure roller rotation mechanism 272, pressure roller rotation motor 272a, pressure roller lifting mechanism 273, pressure roller lifting motor 273a, pressure roller lifting connecting long shaft 273b, pressure roller worm and gear lifter 273c, sponge pressure plate 274, tensioning device 280, driving motor 290, tool box assembly 300, upper tool plate 310, lower tool plate 320, middle tool plate 330, top tool plate 340, top tool bar 350, top tool front and rear moving mechanism 360, top tool driving mechanism 361, top tool worm 362, top tool worm wheel 363, top tool bearing 364, top tool bottom plate 365, tool rest front and rear moving mechanism 400, front and rear moving guide rail sliding block assembly 410, front and rear moving driving mechanism 420, front and rear moving connecting long shaft 430, front and rear moving worm and gear lifter 440, tool rest angle adjusting mechanism 500, hinge assembly 510, angle adjusting driving mechanism 520, angle adjusting connecting long shaft 530, angle adjusting assembly 540, first mounting plate 541, second mounting plate 542, angle adjusting worm and gear lifter 543, connecting flange 544, tool rest lifting mechanism 600, lifting driving mechanism 610, transmission shaft 620, bevel gear steering box 630, lifting assembly 640, lifting seat 641, linear guide rail 642, ball screw 643, screw nut 644, sponge S. DETAILED DESCRIPTION

[0088] The utility model will be combined with the embodiment in the drawings further detailed explanation.

[0089] As Figures 1 to 14 shown, the sponge cutting machine host of the utility model specifically an embodiment.

[0090] As Figure 1 shown, the sponge cutting machine host of the embodiment includes rack 100, is equipped with tool rest device 200, tool box assembly 300 and tool rest front and rear moving mechanism 400 on rack 100;

[0091] Tool rest device 200 includes tool rest seat 210, tool belt 220, driving wheel assembly 230 and passive wheel assembly 240, and driving wheel assembly 230 and passive wheel assembly 240 are arranged on tool rest seat 210 respectively, and tool belt 220 is arranged between driving wheel assembly 230 and passive wheel assembly 240 in a loop around up and down;

[0092] The lower part of the knife belt 220 is located in the knife box assembly 300, and the part of the knife belt 220 extending out of the knife box assembly 300 is the cutting position;

[0093] As shown in Figure 8 , the left and right of the knife holder seat 210 are respectively provided with a connecting arm 211, and the connecting arm 211 is arranged on the front and rear moving mechanism 400, the front and rear moving mechanism 400 drives the knife holder seat 210 to move forward and backward, and automatically adjusts the extension length of the knife belt 220 in the knife box assembly 300;

[0094] The driving motor 290 is fixed on the knife holder seat 210, the driving motor 290 is connected with the driving wheel assembly 230 through a belt and a belt pulley to drive the driving wheel assembly 230 to rotate, so as to drive the knife belt 220 to rotate at high speed, and the lower part of the knife belt 220 cuts the sponge S. Figure 1 and Figure 3 The arrow direction in the figure indicates the advancing direction of the sponge S. Figure 8 It is a structure perspective view of the knife holder seat 210.

[0095] The position of the knife belt is adjusted by automatically adjusting the position of the knife holder seat of the main machine of the sponge cutting machine, without manual adjustment, saving time and effort; the adjustment process does not need to stop, without interrupting the production, and the production efficiency of the equipment is improved.

[0096] The extension length of the knife belt in the alloy knife box directly affects the cutting depth, an optical sensor can be arranged to determine the position of the knife belt, the position of the knife belt is adjusted by the rotation of the servo motor of the front and rear moving mechanism, the cutting depth can be flexibly controlled according to the thickness of the sponge or the process requirement, and the uniformity of the slice is ensured.

[0097] The knife belt will be gradually worn during high-speed cutting, resulting in a decrease in cutting efficiency, the extension length of the knife belt is adjusted by moving forward and backward, the unworn part is extended to the cutting position, the frequency of frequently replacing the knife belt is reduced, and the use cost is reduced.

[0098] As shown in Figure 1 , Figure 2 and Figure 5 , the front and rear moving mechanism 400 includes a front and rear moving guide rail slider assembly 410, a front and rear moving driving mechanism 420, a front and rear moving connecting long shaft 430, and a front and rear moving worm and gear elevator 440;

[0099] The front and rear moving guide rail slider assembly 410 is provided in two sets and arranged on the left and right, and the front and rear moving guide rail slider assembly 410 is arranged between the rack 100 and the knife holder seat 210, and the knife holder seat 210 moves forward and backward on the rack 100 through the front and rear moving guide rail slider assembly 410;

[0100] The front and rear moving worm and gear lifters 440 are two sets, arranged left and right, with the travel screw rod arranged horizontally; the moving end of the front and rear moving worm and gear lifters 440 is connected with the tool holder base 210, and the fixed end is connected with the machine frame 100;

[0101] The two ends of the front and rear moving connecting long shaft 430 are respectively connected with the front and rear moving worm and gear lifters 440;

[0102] The front and rear moving driving mechanism 420 is arranged on the machine frame 100, and is transmissionally connected with the front and rear moving connecting long shaft 430;

[0103] The front and rear moving driving mechanism 420 is a servo motor connected with a speed reducer, connected with the front and rear moving connecting long shaft 430 through a synchronous belt and a synchronous wheel.

[0104] The front and rear positions of the tool holder base are automatically adjusted by the automatic action of each transmission part of the tool holder front and rear moving mechanism, replacing manual adjustment, reducing errors caused by manual intervention, and having high adjustment precision; the adjustment speed is fast, and the stability of the cutting process is ensured.

[0105] As shown in Figure 1 , Figure 4 and Figure 10 , the tool box assembly 300 comprises an upper tool plate 310, a lower tool plate 320, an intermediate tool plate 330, a plurality of top tool plates 340, a plurality of top tool rods 350, and a top tool front and rear moving mechanism 360;

[0106] The end faces of the front sides of the upper tool plate 310 and the lower tool plate 320 are flush, and each has a slope structure with a thickness decreasing towards the end face; the rear sides of the upper tool plate 310 and the lower tool plate 320 are respectively fixedly connected to the upper and lower faces of the intermediate tool plate 330, and the tool belt 220 penetrates between the upper tool plate 310 and the lower tool plate 320, and has a gap therebetween; the cutting part of the tool belt 220 extends out of the end face of the front side of the upper tool plate 310;

[0107] One end face of the top tool plate 340 is abutted against the rear end face of the tool belt 220, and the opposite end face is fixedly connected to the top tool rod 350, and the top tool rod 350 is transmissionally connected to the top tool front and rear moving mechanism 360;

[0108] The top tool front and rear moving mechanism 360 drives the top tool rod 350 to drive the top tool plate 340 to move forward and backward synchronously with the tool belt 220.

[0109] The top tool plate 340 is abutted against the rear end face of the tool belt 220, so that the tool belt 220 will not retreat due to resistance during cutting, and cutting interruption or deviation is avoided; the top tool plate 340 moves forward and backward synchronously with the tool belt 220, so that the stability of the cutting process is maintained.

[0110] As shown in Figure 6 , Figure 7 and Figure 10As shown, the top-knife front-back moving mechanism 360 comprises a top-knife driving mechanism 361, a top-knife worm 362, a plurality of top-knife worms 363, a plurality of top-knife bearings 364 and a top-knife bottom plate 365;

[0111] The top-knife bottom plate 365 is connected to the side of the middle-knife plate 330;

[0112] The top-knife worm 363 is connected to the inner ring of the top-knife bearing 364, and the outer ring of the top-knife bearing 364 is connected to the top-knife bottom plate 365; the top-knife rod 350 penetrates the top-knife worm 363 and is threadedly connected thereto;

[0113] The top-knife worm 362 is matched with the plurality of top-knife worms 363 respectively, the top-knife driving mechanism 361 drives the top-knife worm 362 to rotate, and the top-knife worm 363 rotates to drive the top-knife rod 350 to move forward and backward.

[0114] The top-knife worm 362 rotates, the top-knife worm 363 rotates synchronously on the top-knife bearing 364, the inner thread of the top-knife worm 363 drives the outer thread of the top-knife rod 350 to rotate, and the top-knife rod 350 moves forward and backward;

[0115] The top-knife driving mechanism 361 is a servo motor connected to a speed reducer, connected to the top-knife worm 362 through a synchronous belt and a synchronous wheel.

[0116] As shown in the drawings, Figure 5 The rack 100 is further provided with a knife holder angle adjusting mechanism 500, which drives the knife holder seat 210 to rotate to adjust the cutting angle between the knife belt 220 and the sponge.

[0117] The cutting angle between the knife belt and the sponge is automatically adjusted by the knife holder angle adjusting mechanism to make the contact surface of the knife belt and the sponge more fit, reduce the cutting resistance, avoid the deformation or tearing of the sponge, reasonably adjust the angle of the knife belt to reduce the cutting vibration, ensure the smoothness of the cutting surface, meet the product thickness requirement, reduce the subsequent finishing process, dynamically adjust the angle of the knife belt to avoid the excessive wear of one side of the knife belt, prolong the service life of the whole knife belt, and disperse the stress of the knife belt to reduce the risk of fracture caused by local stress.

[0118] As shown in the drawings, Figure 1 , Figure 3 , Figure 4 and Figure 5 The knife holder angle adjusting mechanism 500 comprises a hinge assembly 510, an angle adjusting driving mechanism 520, an angle adjusting connecting long shaft 530 and an angle adjusting assembly 540.

[0119] The hinge assembly 510 is arranged between the rack 100 and the knife holder front-back moving mechanism 400, and the hinge assembly 510 can be provided with a fixed plate connected to the bottom of the rack 100 and the knife holder front-back moving mechanism 400 respectively.

[0120] The angle adjustment assembly 540 is two sets, which are arranged left and right, and the angle adjustment connecting long shaft 530 is connected between the two angle adjustment assemblies 540; the angle adjustment assembly 540 is connected between the rack 100 and the tool holder seat 210;

[0121] The angle adjustment driving mechanism 520 is arranged on the rack 100, the angle adjustment driving mechanism 520 is drivingly connected to the angle adjustment connecting long shaft 530 and drives the rotation of the angle adjustment connecting long shaft 530, the angle adjustment assembly 540 transmits the rotating action of the angle adjustment connecting long shaft 530 to the tool holder seat 210, and the tool holder seat 210 rotates around the hinge assembly 510 together with the tool holder back and forth moving mechanism 400;

[0122] The angle adjustment driving mechanism 520 is a servo motor connected to a speed reducer, connected to the angle adjustment connecting long shaft 530 through a synchronous belt and a synchronous wheel.

[0123] As shown in Figure 11 , the angle adjustment assembly 540 includes a first mounting plate 541, a second mounting plate 542, an angle adjustment worm gear elevator 543, and a connecting flange 544;

[0124] The first mounting plate 541 is connected to the tool holder seat 210, the first mounting plate 541 is rotatably hinged to the second mounting plate 542, and the connecting flange 544 is rotatably hinged to the rack 100;

[0125] The travel screw of the angle adjustment worm gear elevator 543 is arranged horizontally, the angle adjustment worm gear elevator 543 is installed between the second mounting plate 542 and the connecting flange 544, and the travel screw of the angle adjustment worm gear elevator 543 moves the connecting flange 544 and the first mounting plate 541 up and down to rotate.

[0126] As shown in Figure 1 and Figure 13 , the tool holder device 200 further includes a tool sharpening device 250, and the tool sharpening device 250 is arranged on the upper two surfaces of the upper part of the tool belt 220 in two sets;

[0127] The tool sharpening device 250 includes a tool sharpening motor 251, a grinding wheel 252, and an adjusting device 253, the tool sharpening motor 251 drives the grinding wheel 252 to rotate and grind the surface of the tool belt 220, and the adjusting device 253 adjusts the position of the grinding wheel 252.

[0128] During the cutting of the sponge, the tool sharpening device 250 sharpens the tool belt 220, so that the cutting edge remains sharp and ensures that the cutting surface of the sponge is smooth.

[0129] As shown in Figure 1 and Figure 5 , the tool holder device 200 further includes a dust removal device 260, and the dust removal device 260 removes the dust generated by the tool sharpening device 250;

[0130] The dust removal device 260 comprises a dust removal pipe 261, a water box 262 and an axial flow fan 263. The water box 262 is installed at the lower part of the dust removal pipe 261, the opening of the dust removal pipe 261 is aligned with the grinding position, and the axial flow fan 263 is installed at the upper part of the dust removal pipe 261. The water in the water box 262 can precipitate dust with large particles.

[0131] The dust removal device 260 removes the dust after the grinding of the grinding device 250, so as to avoid the pollution of the product and the working environment.

[0132] As shown in Figure 1 and Figure 12 , the knife holder device 200 further comprises a front pressing roller assembly 270, which is provided with a sponge pressing roller 271, a pressing roller rotating mechanism 272 and a pressing roller lifting mechanism 273.

[0133] The sponge pressing roller 271 is arranged in front of the cutting position of the knife belt 220 and presses the sponge. The pressing roller rotating mechanism 272 drives the sponge pressing roller 271 to rotate, and the rotating speed is synchronized with the cutting speed. The pressing roller lifting mechanism 273 drives the sponge pressing roller 271 to move up and down, so as to adjust the depth of the sponge pressed by the sponge pressing roller 271.

[0134] The pressing roller rotating mechanism 272 is connected with a speed reducer through a pressing roller rotating motor 272a, and then connected with the sponge pressing roller 271 through a chain wheel and chain transmission mechanism to drive the sponge pressing roller 271 to rotate.

[0135] The pressing roller lifting mechanism 273 comprises a pressing roller lifting motor 273a, a pressing roller lifting connecting long shaft 273b and two pressing roller worm and gear lifting machines 273c. The two pressing roller worm and gear lifting machines 273c are arranged on the left and right sides, and the extension ends thereof are respectively connected with the two ends of the sponge pressing roller 271. The two ends of the pressing roller lifting connecting long shaft 273b are respectively connected with the two pressing roller worm and gear lifting machines 273c.

[0136] The pressing roller lifting motor 273a is connected with a speed reducer, and then connected with the pressing roller lifting connecting long shaft 273b through a chain wheel and chain transmission mechanism to drive the pressing roller lifting connecting long shaft 273b to rotate, and then drive the two pressing roller worm and gear lifting machines 273c to drive the sponge pressing roller 271 to move up and down.

[0137] During the cutting process, the sponge advances, and the sponge is pressed by the sponge pressing roller 271 to prevent the sponge from moving.

[0138] As shown in Figure 1 and Figure 12 , the front pressing roller assembly 270 is further provided with a sponge pressing plate 274, which is arranged at the rear part of the sponge pressing roller 271 to press the cut sponge.

[0139] The sponge pressing plate 274 presses the cut sponge to prevent it from rolling down, so that the cut sponge is smoothly output in whole.

[0140] As Figure 1 and Figure 2 shown, the rack 100 is also provided with a tool holder lifting mechanism 600, which includes a lifting drive mechanism 610, a transmission shaft 620, a bevel gear box 630 and a lifting assembly 640;

[0141] The lifting assembly 640 is two sets, which are arranged left and right;

[0142] The transmission shaft 620 is horizontally arranged;

[0143] The bevel gear box 630 is two sets, which are respectively connected to the lifting assembly 640, and the transmission shaft 620 is connected between the two sets of bevel gear boxes 630;

[0144] The tool holder seat 210 is respectively connected to the lifting assembly 640 at both ends;

[0145] The lifting drive mechanism 610 drives the transmission shaft 620 to rotate, which is transmitted to the lifting assembly 640 through the bevel gear box 630, and the lifting assembly 640 drives the tool holder seat 210 to move up and down;

[0146] The lifting drive mechanism 610 is a servo motor connected to a speed reducer, which is directly connected to the transmission shaft 620 through a shaft coupling for transmission.

[0147] The tool holder lifting mechanism 600 drives the tool holder seat 210 to move up and down, adjusts the height of the tool belt 220, and controls the thickness of the cut sponge.

[0148] As Figure 1 , Figure 14 and Figure 15 shown, the lifting assembly 640 includes a lifting seat 641, two sets of linear guides 642, a ball screw 643 and a screw nut 644;

[0149] The linear guides 642 and the ball screw 643 are respectively and vertically arranged side by side, the ball screw 643 is arranged between the two sets of linear guides 642, the lifting seat 641 is respectively located on the linear guides 642, and the screw nut 644 is connected in the middle, and the screw nut 644 cooperates with the ball screw 643;

[0150] The ball screw 643 is connected to the bevel gear box 630, the bevel gear box 630 drives the ball screw 643 to rotate, and the lifting seat 641 moves up and down along the two sets of linear guides 642.

[0151] The structure of the two sets of linear guides 642 and the ball screw 643 in the single-side lifting assembly 640 ensures the accuracy of the lifting seat 641 moving up and down, and ensures the accuracy of the tool belt 220 cutting the thickness of the sponge.

[0152] As Figure 1 and Figure 9As shown, the tool holder device 200 further comprises a tensioning device 280, which is mounted on the tool holder seat 210.

[0153] The passive wheel assembly 240 is arranged on the tensioning device 280, which drives the passive wheel assembly 240 to move left and right to adjust the tension of the tool belt 220.

[0154] As shown, Figure 1 and Figure 3 The rack 100 comprises a base 110, a beam platform 120 and a column 130.

[0155] The beam platform 120 is horizontally arranged above the base 110.

[0156] The column 130 is two, which is arranged between the base 110 and the beam platform 120.

[0157] The lifting assembly 640 is vertically arranged on the base 110.

[0158] The lifting drive mechanism 610, the transmission shaft 620 and the bevel gear box 630 are arranged on the beam platform 120.

[0159] The utility model discloses still disclose a kind of sponge cutting machines, including the sponge cutting machine host of above.

[0160] The sponge cutting machine host and sponge cutting machine, the position of tool holder seat is automatically adjusted as a whole to realize the position adjustment of tool belt, save time and effort, improve the production efficiency of equipment;Tool belt adjustment precision is high, guarantee the cutting precision of sponge, improve product quality;Tool belt is cut after adjustment, and force is uniform, avoid tool belt stress concentration and lead to fracture, prolong the service life of tool belt.

[0161] Summarized above, the utility model as the content of specification and drawing, make actual sample and test after using many times, from the test effect, prove that the utility model can reach the expected purpose, practicality is not in doubt.The above cited embodiment is only used to facilitate the content of the utility model, and is not formally limited thereto;Any person skilled in the art has common knowledge, in the category of not departing from the technical features and similar features of the utility model, equivalent embodiments, such as partial change or modification, using the technical content disclosed by the utility model, are all within the protection scope of the utility model.

Claims

1. A sponge cutting machine main machine comprising a rack (100), characterized in that: The rack (100) is provided with a tool holder device (200), a tool box assembly (300) and a tool holder front and back moving mechanism (400); The tool holder device (200) comprises a tool holder seat (210), a tool belt (220), a driving wheel assembly (230) and a driven wheel assembly (240), the driving wheel assembly (230) and the driven wheel assembly (240) are arranged on the tool holder seat (210) respectively, and the tool belt (220) is arranged between the driving wheel assembly (230) and the driven wheel assembly (240) in a loop shape; The lower part of the tool belt (220) is located in the tool box assembly (300), and the part of the tool belt (220) extending out of the tool box assembly (300) is a cutting part; The tool holder seat (210) is provided with a connecting arm (211) on the left and right sides respectively, and the tool holder seat (210) is arranged on the tool holder front and back moving mechanism (400) through the connecting arm (211), the tool holder front and back moving mechanism (400) drives the tool holder seat (210) to move forward and backward, and the length of the tool belt (220) extending out of the tool box assembly (300) is automatically adjusted.

2. The sponge cutter host machine of claim 1, wherein, The tool holder front and back moving mechanism (400) comprises a front and back moving guide rail and sliding block assembly (410), a front and back moving driving mechanism (420), a front and back moving connecting long shaft (430) and a front and back moving worm and gear elevator (440); The front and back moving guide rail and sliding block assembly (410) is provided in two sets and arranged on the left and right sides, the front and back moving guide rail and sliding block assembly (410) is arranged between the rack (100) and the tool holder seat (210), and the tool holder seat (210) moves forward and backward on the rack (100) through the front and back moving guide rail and sliding block assembly (410); The front and back moving worm and gear elevator (440) is provided in two sets and arranged on the left and right sides, and the stroke screw rod is arranged horizontally, the moving end of the front and back moving worm and gear elevator (440) is connected with the tool holder seat (210), and the fixed end of the front and back moving worm and gear elevator (440) is connected with the rack (100); The two ends of the front and back moving connecting long shaft (430) are connected with the front and back moving worm and gear elevators (440) respectively; The front and back moving driving mechanism (420) is arranged on the rack (100) and is in transmission connection with the front and back moving connecting long shaft (430).

3. The sponge cutter host machine of claim 1, wherein, The tool box assembly (300) comprises an upper tool plate (310), a lower tool plate (320), a middle tool plate (330), a plurality of top tool plates (340), a plurality of top tool rods (350) and a top tool front and back moving mechanism (360); The end faces of the front sides of the upper tool plate (310) and the lower tool plate (320) are flush, and each has a slope structure with a thickness decreasing towards the end face, the rear sides of the upper tool plate (310) and the lower tool plate (320) are fixedly connected to the upper and lower surfaces of the middle tool plate (330) respectively, the tool belt (220) penetrates between the upper tool plate (310) and the lower tool plate (320) and has a gap therebetween, and the cutting part of the tool belt (220) extends out of the end face of the front side of the upper tool plate (310); One end face of the top blade plate (340) rests on the rear end face of the blade belt (220), and the opposite end face is fixedly connected to the top blade rod (350). The top blade rod (350) is connected to the top blade forward and backward moving mechanism (360). The pusher blade forward and backward moving mechanism (360) drives the pusher blade rod (350) to move the pusher blade plate (340) synchronously forward and backward following the blade belt (220).

4. The sponge cutter host machine of claim 3, wherein, The top cutter forward and backward moving mechanism (360) includes a top cutter drive mechanism (361), a top cutter worm (362), a plurality of top cutter worm wheels (363) and a plurality of top cutter bearings (364). The top cutter worm gear (363) is connected to the inner ring of the top cutter bearing (364), and the outer ring of the top cutter bearing (364) is connected to the intermediate cutter plate (330); the top cutter rod (350) passes through the top cutter worm gear (363) and the two are threadedly connected. The top cutter worm (362) is respectively engaged with a plurality of top cutter worm wheels (363), the top cutter drive mechanism (361) drives the top cutter worm (362) to rotate, and the rotation of the top cutter worm wheels (363) drives the top cutter rod (350) to move back and forth.

5. The sponge cutter host machine of claim 1, wherein, The frame (100) is also provided with a blade holder angle adjustment mechanism (500), which drives the blade holder seat (210) to rotate and adjust the cutting angle between the blade belt (220) and the sponge.

6. The sponge cutting machine of claim 5, wherein, The tool holder angle adjustment mechanism (500) includes a hinge assembly (510), an angle adjustment drive mechanism (520), an angle adjustment connecting long shaft (530), and an angle adjustment component (540). The hinge assembly (510) is disposed between the frame (100) and the tool holder forward and backward moving mechanism (400); The angle adjustment assembly (540) consists of two sets, arranged on the left and right sides respectively, and the angle adjustment connecting long shaft (530) connects the two sets; the angle adjustment assembly (540) is connected between the frame (100) and the tool holder (210); The angle adjustment drive mechanism (520) is mounted on the frame (100). The angle adjustment drive mechanism (520) is connected to the angle adjustment connecting shaft (530) and drives it to rotate. The angle adjustment assembly (540) transmits the rotation of the angle adjustment connecting shaft (530) to the tool holder (210). The tool holder (210) together with the tool holder forward and backward moving mechanism (400) rotates around the hinge assembly (510).

7. The sponge cutter host machine of claim 6, wherein, The angle adjustment assembly (540) includes a first mounting plate (541), a second mounting plate (542), an angle adjustment worm gear jack (543), and a connecting flange (544). The first mounting plate (541) is connected to the tool holder (210), and the first mounting plate (541) and the second mounting plate (542) are hinged together vertically. The connecting flange (544) is hinged together vertically on the frame (100). The stroke screw of the angle-adjusting worm gear and worm elevator (543) is horizontally arranged, the angle-adjusting worm gear and worm elevator (543) is arranged between the second mounting plate (542) and the connecting flange (544), and the forward and backward movement of the stroke screw of the angle-adjusting worm gear and worm elevator (543) drives the connecting flange (544) and the first mounting plate (541) to rotate up and down.

8. The sponge cutter host of claim 1, wherein, The tool holder device (200) further comprises two sets of knife sharpening devices (250) arranged on the upper two surfaces of the upper part of the tool belt (220); The knife sharpening device (250) comprises a knife sharpening motor (251), a grinding wheel (252) and an adjusting device (253), the knife sharpening motor (251) drives the grinding wheel (252) to rotate and polish the surface of the tool belt (220), and the adjusting device (253) adjusts the position of the grinding wheel (252).

9. The sponge cutter host machine of claim 8, wherein, The tool holder device (200) further comprises a dust removal device (260) for cleaning the dust generated by the knife sharpening device (250); The dust removal device (260) comprises a dust removal pipe (261), a water box (262) and an axial flow fan (263), the water box (262) is arranged at the lower part of the dust removal pipe (261), the opening of the dust removal pipe (261) is aligned with the knife sharpening position, and the axial flow fan (263) is arranged at the upper part of the dust removal pipe (261).

10. The sponge cutter host machine of claim 1, wherein, The tool holder device (200) further comprises a front pressure roller assembly (270) comprising a sponge pressure roller (271), a pressure roller rotating mechanism (272) and a pressure roller lifting mechanism (273); The sponge pressure roller (271) is arranged in front of the cutting part of the tool belt (220) and presses the sponge, the pressure roller rotating mechanism (272) drives the sponge pressure roller (271) to rotate, and the rotating speed is synchronized with the cutting speed; the pressure roller lifting mechanism (273) drives the sponge pressure roller (271) to move up and down, and adjusts the depth of the sponge pressed by the sponge pressure roller (271).

11. The sponge cutting machine of claim 10, wherein, The front pressure roller assembly (270) further comprises a sponge pressing plate (274) arranged behind the sponge pressure roller (271) to press the cut sponge.

12. The sponge cutter host of claim 1, wherein, The tool holder device (200) further comprises a tool holder lifting mechanism (600) arranged on the rack (100) and comprising a lifting driving mechanism (610), a transmission shaft (620), a bevel gear box (630) and a lifting assembly (640); The lifting assembly (640) comprises two sets arranged on the left and right sides; The transmission shaft (620) is horizontally arranged; The bevel gear box (630) comprises two sets connected with the lifting assembly (640), and the transmission shaft (620) is connected between the two sets of bevel gear boxes (630); The tool holder seat (210) is connected with the lifting assembly (640) at both ends; The lifting driving mechanism (610) drives the transmission shaft (620) to rotate, and drives the lifting assembly (640) through the bevel gear box (630).

13. The sponge cutter host machine of claim 12, wherein, The lifting assembly (640) comprises a lifting seat (641), two sets of linear guides (642), a ball screw (643) and a screw nut (644). The linear guides (642) and the ball screw (643) are vertically arranged side by side, the ball screw (643) is arranged between the two sets of linear guides (642), the lifting seat (641) is arranged on the linear guides (642) respectively, and the screw nut (644) is arranged in the middle. The ball screw (643) is connected to the bevel gear box (630), the bevel gear box (630) drives the ball screw (643) to rotate, and the lifting seat (641) moves up and down along the two sets of linear guides (642).

14. The sponge cutter host of claim 1, wherein, The knife holder device (200) further comprises a tensioning device (280) mounted on the knife holder seat (210). The passive wheel assembly (240) is arranged on the tensioning device (280), and the tensioning device (280) drives the passive wheel assembly (240) to move left and right to adjust the tension of the knife belt (220).

15. The sponge cutter host machine of claim 12, wherein, The rack (100) comprises a base (110), a beam platform (120) and a column (130). The beam platform (120) is horizontally arranged above the base (110). The column (130) is arranged between the base (110) and the beam platform (120). The lifting assembly (640) is vertically arranged on the base (110). The lifting driving mechanism (610), the transmission shaft (620) and the bevel gear box (630) are arranged on the beam platform (120).

16. A sponge cutting machine characterized by: The sponge cutting machine main machine comprises the sponge cutting machine main machine according to any one of claims 1 to 15. The sponge cutting machine main machine comprises the sponge cutting machine main machine according to any one of claims 1 to 15.

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