阅读说明：本技术 柔性橡胶板切割机及操作方法 (Flexible rubber plate cutting machine and operation method ) 是由 黄巍 张翼 胡橙 于 2019-11-06 设计创作，主要内容包括：本发明提供了柔性橡胶板切割机及操作方法,机架结构的顶部固定安装有切割机架,所述切割机架上配合安装有用于切割的切割滚刀装置,所述切割滚刀装置包括底部滚刀组件和顶部滚刀组件,所述顶部滚刀组件安装在升降调节机构上,所述升降调节结构安装在切割机架的顶部中间部位；所述底部滚刀组件所在主轴安装有用于驱动其转动的动力装置；所述底部滚刀组件和顶部滚动组件之间通过同步传动机构配合传动；所述切割机架上并位于底部滚刀组件和顶部滚刀组件之间的位置设置有进料装置。(The invention provides a flexible rubber plate cutting machine and an operation method thereof.A cutting rack is fixedly arranged at the top of a rack structure, a cutting hob device for cutting is arranged on the cutting rack in a matching way, the cutting hob device comprises a bottom hob component and a top hob component, the top hob component is arranged on a lifting adjusting mechanism, and the lifting adjusting mechanism is arranged at the middle part of the top of the cutting rack; the main shaft of the bottom hob assembly is provided with a power device for driving the bottom hob assembly to rotate; the bottom hob assembly and the top rolling assembly are in matched transmission through a synchronous transmission mechanism; and a feeding device is arranged on the cutting machine frame and between the bottom hob assembly and the top hob assembly.)

1. Flexible rubber slab cutting machine, its characterized in that: the cutting and hobbing machine comprises a rack structure (1), wherein a cutting rack (6) is fixedly mounted at the top of the rack structure (1), a cutting and hobbing cutter device (8) for cutting is mounted on the cutting rack (6) in a matching manner, the cutting and hobbing cutter device (8) comprises a bottom hobbing cutter assembly (808) and a top hobbing cutter assembly (807), the top hobbing cutter assembly (807) is mounted on a lifting adjusting mechanism (7), and the lifting adjusting mechanism (7) is mounted in the middle of the top of the cutting rack (6); a power device (2) for driving the bottom hob assembly (808) to rotate is mounted on the main shaft where the bottom hob assembly is located; the bottom hob assembly (808) and the top rolling assembly (807) are in matched transmission through a synchronous transmission mechanism (5); and a feeding device (3) is arranged on the cutter frame (6) and positioned between the bottom hobbing cutter assembly (808) and the top hobbing cutter assembly (807), and the feeding device (3) is connected with a main shaft of the bottom hobbing cutter assembly (808) through a chain transmission mechanism (9) and drives the bottom hobbing cutter assembly to synchronously feed.

2. The flexible rubber sheet cutting machine according to claim 1, wherein: the rack structure (1) comprises a rack (102), supporting legs (101) are fixed at four corners of the bottom of the rack (102), a middle cross beam (103) is fixed at the middle part of the rack (102), a middle plate (104) is supported on the middle cross beam (103), and a top frame (105) is fixed at the top of the rack (102).

3. The flexible rubber sheet cutting machine according to claim 1, wherein: the cutting machine frame (6) comprises a supporting vertical plate (602), the bottom of the supporting vertical plate (602) is fixed on a top frame (105) of the frame structure (1) through a vertical plate base (601), and a lifting sliding groove (603) used for mounting a top hob assembly (807) is machined in the supporting vertical plate (602).

4. The flexible rubber sheet cutting machine according to claim 1, wherein: the bottom hob assembly (808) and the top hob assembly (807) adopt the same structure, the top hob assembly (807) comprises a hob shaft (801), a first hob (804) and a second hob (806) are positioned and installed at the middle part of the hob shaft (801) through a spacing sleeve (805), positioning sleeves (803) are respectively installed on the outer end faces of the first hob (804) and the second hob (806), the positioning sleeves (803) are locked and positioned on the hob shaft (801) through locking nuts (802), the positioning sleeves (803), the first hob (804), the spacing sleeve (805) and the second hob (806) are matched and connected with the hob shaft (801) through flat keys (808) and transmit torque, and the flat keys (808) are fixed on key grooves of the hob shaft (801) through locking screws (809).

5. The flexible rubber sheet cutting machine according to claim 1, wherein: the power device (2) comprises a motor (201), the motor (201) is fixedly installed on an intermediate plate (104) of the rack structure (1), a motor spindle (203) of the motor (201) is provided with a first chain wheel (202), the first chain wheel (202) is in meshing transmission with a second chain wheel (205) through a first chain (204), and the second chain wheel (205) is installed on a hob shaft (801) of a bottom hob assembly (808); the first chain (204) is matched with the chain tensioning mechanism (4) and the tensioning degree of the first chain is adjusted.

6. The flexible rubber sheet cutting machine according to claim 5, wherein: chain straining device (4) are including fixed block (401), fixed block (401) are fixed on frame (102) fixed mounting has connecting rod (402) on fixed block (401), the overhanging end of connecting rod (402) is fixed with bracing piece (404) through fastening bolt (403), another end of bracing piece (404) is installed take-up pulley installation axle (405), take-up pulley installation axle (405) is last to be installed and is tensioned sprocket (406), tensioned sprocket (406) and first chain (204) meshing transmission.

7. The flexible rubber sheet cutting machine according to claim 1, wherein: the synchronous transmission mechanism (5) comprises a first gear (501) arranged on a roller shaft of a bottom hob assembly (808), the first gear (501) is in meshed transmission with a second gear (502), and the second gear (502) is fixedly arranged on a roller shaft (801) of a top hob assembly (807).

8. The flexible rubber sheet cutting machine according to claim 1, wherein: the lifting adjusting structure (7) comprises an adjusting screw rod (701), the adjusting screw rod (701) and an adjusting nut (702) arranged at the top of the top cross beam (705) form a thread transmission fit, the bottom end of the adjusting screw rod (701) is fixedly provided with a main shaft installation sleeve (704) through a connecting block (703), and a hob shaft (801) of the top hob assembly (807) is supported and installed on the main shaft installation sleeve (704).

9. The flexible rubber sheet cutting machine according to claim 1, wherein: the feeding device (3) comprises roller supporting plates (301) fixed on the inner side walls of supporting vertical plates (602) of a cutting machine frame (6), feeding rollers (302) are installed between the roller supporting plates (301), feeding friction groove rollers (303) are installed at the tail ends of the feeding rollers (302) and between the supporting vertical plates (602), the feeding friction groove rollers (303) are matched with top pressing rollers (304) arranged at the tops of the feeding friction groove rollers to realize feeding, the top pressing rollers (304) support the tail ends of installed pressing roller connecting plates (305), the other ends of the pressing roller connecting plates (305) are fixed on cross rods (306), and the cross rods (306) are fixedly installed between the supporting vertical plates (602);

the chain transmission mechanism (9) comprises a third chain wheel (901) arranged on a hob shaft (801) of a bottom hob assembly (808), the third chain wheel (901) is in meshing transmission with a fourth chain wheel (903) through a second chain (902), and the fourth chain wheel (903) is fixedly arranged at the shaft end of the feeding friction grooved roll (303) and drives the feeding friction grooved roll to synchronously rotate so as to realize feeding.

10. A method of operating a flexible rubber sheet cutting machine according to any one of claims 1 to 9, characterized in that it comprises the steps of:

step 1: starting a power device (2), driving a first chain wheel (202) through a motor (201), driving a second chain wheel (205) through the first chain wheel (202) and a first chain (204), and driving a first gear (501) of a synchronous transmission mechanism (5) and a third chain wheel (901) of a chain transmission mechanism (9) through the second chain wheel (205);

step 2: placing a flexible rubber plate to be cut on a feeding roller (302) of a feeding device (3) and pushing the flexible rubber plate to enter between a top pressing roller (304) and a feeding friction groove roller (303) through the feeding roller (302);

step 3: a fourth chain wheel (903) is synchronously driven through a third chain wheel (901) and a second chain (902), then the feeding friction groove roller (303) is driven through the fourth chain wheel (903), and then the flexible rubber plate is pushed to enter between a bottom hob assembly (808) and a top hob assembly (807) through the matching between the feeding friction groove roller (303) and a top pressing roller (304);

step 4: the second gear (502) is driven by the first gear (501), and the top hob assembly (807) is driven by the second gear (502); then, two groups of first hob cutters (804) and second hob cutters (806) which are matched up and down are used for cutting and matching between the top hob cutter assembly (807) and the bottom hob cutter assembly (808), and then the rubber plate is cut;

step 5: in the cutting process, according to the thickness of the rubber plate, the height position of the main shaft installation sleeve (704) is adjusted by adjusting the lifting adjusting structure (7) so as to adjust the distance between the hobs matched with each other between the bottom hob assembly (808) and the top hob assembly (807), and further the optimal cutting effect is ensured.

Technical Field

The invention belongs to the field of rubber cutting devices, and particularly relates to a flexible rubber plate cutting machine and an operation method.

Background

During the processing and production process of rubber parts on automobiles, the rubber plates in roll shape or plate shape need to be cut into required size so as to be convenient for subsequent production and use.

For example, in CN 102211336 a, an automatic rubber cutting machine is disclosed, which adopts an adsorption workbench for adsorption and fixation of a rubber plate, and then adopts a cylinder to drive a tool rest and a cutting knife to move longitudinally so as to realize cutting action, and further realizes transverse movement of the tool rest through a screw rod transmission mechanism so as to realize transverse feeding action, perform slitting, realize pressing through jacking of a bottom cylinder, and finally realize cutting, but the above cutting machine adopts a structural form of a cutting blade, which cannot completely cut off the rubber plate, especially for a flexible rubber plate, and has poor adaptability. Moreover, the automatic cutting continuous cutting process has low working efficiency and cannot be applied to large-batch cutting processing.

In CN 203357534U, a high-precision numerical control rubber plate cutting machine with waste recovery is disclosed, which uses a cylinder to compress a hob and uses a belt to drive the hob to rotate for cutting, but in the use process of the cutting machine, because the cutting machine uses a pneumatic compression mode and uses an independent circular cutter to realize cutting, the compression force is not easy to control, resulting in poor stability and unable to ensure the success rate of one-time cutting.

In CN 105946019 a, a cutting machine for rubber sheet is disclosed, which adopts a two-dimensional plane cutting workbench, and in the cutting process, the cutting of rubber is realized through the movement of a cutting tool in the two-dimensional plane, so as to make it meet the use requirement, but the cutting machine with the above structure needs a manual mode to push a push broach in the use process, and realize the feeding thereof, so as to cause the cutting precision thereof not to be well ensured.

In CN 107662838A, a rubber sheet cutting machine is disclosed, but in the specific use process of the cutting machine, the rubber coiled material is driven by the squeeze roll to draw, and the cutting is realized by the cutter, but the cutting machine mainly provides cutting power by drawing, and the above cutting mode easily generates drawing tensile stress to the rubber, and has certain damage to the rubber itself.

Disclosure of Invention

In order to solve the technical problems, the invention provides a flexible rubber plate cutting machine and an operation method thereof, wherein the cutting machine adopts automatic feeding, realizes the cutting of a rubber plate by a cutting mode of symmetrically arranged hobs, ensures the cutting quality and the cutting efficiency, simultaneously adopts the same power source for driving the feeding and the cutting, realizes the synchronous transmission of a plurality of transmission mechanisms, improves the transmission efficiency, and has high stability; and it can realize thorough shearing of rubber slab, and is little to the damage of rubber itself.

In order to achieve the technical features, the invention is realized as follows: the flexible rubber plate cutting machine comprises a rack structure, wherein a cutting rack is fixedly mounted at the top of the rack structure, a cutting hob device for cutting is mounted on the cutting rack in a matching manner, the cutting hob device comprises a bottom hob component and a top hob component, the top hob component is mounted on a lifting adjusting mechanism, and the lifting adjusting mechanism is mounted in the middle of the top of the cutting rack; the main shaft of the bottom hob assembly is provided with a power device for driving the bottom hob assembly to rotate; the bottom hob assembly and the top rolling assembly are in matched transmission through a synchronous transmission mechanism; and a feeding device is arranged on the cutting machine frame and between the bottom hob assembly and the top hob assembly, and the feeding device is connected with a main shaft of the bottom hob assembly through a chain transmission mechanism and drives the bottom hob assembly to feed synchronously.

The rack structure comprises a rack, supporting legs are fixed at four corners of the bottom of the rack, a middle cross beam is fixed at the middle part of the rack, a middle plate is supported on the middle cross beam, and a top frame is fixed at the top of the rack.

The cutting machine frame comprises a supporting vertical plate, the bottom of the supporting vertical plate is fixed on a top frame of the frame structure through a vertical plate base, and a lifting chute used for mounting the top hob assembly is processed on the supporting vertical plate.

Bottom hobbing cutter subassembly and top hobbing cutter subassembly adopt the same structure, top hobbing cutter subassembly includes the hob shaft, first hobbing cutter and second hobbing cutter are installed through interval sleeve location to the middle part of hob shaft, the position sleeve is installed respectively to the outer terminal surface of first hobbing cutter and second hobbing cutter, the position sleeve passes through lock nut locking location on the hob shaft, position sleeve, first hobbing cutter, interval sleeve and second hobbing cutter all link to each other through the parallel key and the cooperation of hob shaft to the transmission moment of torsion, the parallel key passes through locking screw to be fixed on the keyway of hob shaft.

The power device comprises a motor, the motor is fixedly arranged on an intermediate plate of the rack structure, a motor spindle of the motor is provided with a first chain wheel, the first chain wheel is in meshing transmission with a second chain wheel through a first chain, and the second chain wheel is arranged on a hob shaft of the bottom hob assembly; the first chain is matched with the chain tensioning mechanism, and the tensioning degree of the first chain is adjusted.

Chain straining device includes the fixed block, the fixed block is fixed in the frame fixed mounting has the connecting rod on the fixed block, the overhanging end of connecting rod is fixed with the bracing piece through fastening bolt, the take-up pulley installation axle is installed to another end of bracing piece, the epaxial tensioning sprocket of installing of take-up pulley, tensioning sprocket and first chain meshing transmission.

The synchronous transmission mechanism comprises a first gear arranged on a hob shaft of the bottom hob assembly, the first gear is in meshing transmission with a second gear, and the second gear is fixedly arranged on the hob shaft of the top hob assembly.

The lifting adjusting structure comprises an adjusting screw rod, the adjusting screw rod and an adjusting nut arranged at the top of the top cross beam form thread transmission fit, the bottom end of the adjusting screw rod is fixedly provided with a main shaft installation sleeve through a connecting block, and the roller shaft of the top hob assembly is supported and installed on the main shaft installation sleeve.

The feeding device comprises roller supporting plates fixed on the inner side walls of supporting vertical plates of the cutting machine frame, feeding rollers are mounted between the roller supporting plates, feeding friction groove rollers are mounted at the tail ends of the feeding rollers and positioned between the supporting vertical plates, the feeding friction groove rollers are matched with top pressing rollers arranged at the tops of the feeding friction groove rollers to realize feeding, the top pressing rollers support the tail ends of the installed pressing roller connecting plates, the other ends of the pressing roller connecting plates are fixed on cross rods, and the cross rods are fixedly mounted between the supporting vertical plates;

the chain transmission mechanism comprises a third chain wheel arranged on a hob shaft of the bottom hob assembly, the third chain wheel is in meshing transmission with a fourth chain wheel through a second chain, and the fourth chain wheel is fixedly arranged at the shaft end of the feeding friction grooved roll and drives the feeding friction grooved roll to synchronously rotate so as to realize feeding.

The operation method of the flexible rubber plate cutting machine comprises the following steps:

step 1: starting a power device, driving a first chain wheel through a motor, driving a second chain wheel through the first chain wheel and a first chain, and driving a first gear of a synchronous transmission mechanism and a third chain wheel of a chain transmission mechanism through the second chain wheel;

step 2: placing a flexible rubber plate to be cut on a feeding roller of a feeding device, and pushing the flexible rubber plate to enter between a top pressing roller and a feeding friction groove roller through the feeding roller;

step 3: a fourth chain wheel is synchronously driven by a third chain wheel and a second chain, a feeding friction groove roller is driven by the fourth chain wheel, and a flexible rubber plate is pushed to enter between the bottom hob assembly and the top hob assembly through the matching between the feeding friction groove roller and the top press roller;

step 4: the second gear is driven by the first gear, and then the top hob assembly is driven by the second gear; then, two groups of first hob cutters and second hob cutters which are matched up and down are used for cutting and matching between the top hob cutter assembly and the bottom hob cutter assembly, and then the rubber plate is cut;

step 5: in the cutting process, according to the thickness of the rubber plate, the height position of the main shaft installation sleeve is adjusted by adjusting the lifting adjusting structure so as to adjust the distance between the matched hobs between the bottom hob assembly and the top hob assembly, and then the best cutting effect is ensured.

The invention has the following beneficial effects:

1. the cutting machine can be used for automatic cutting of the flexible rubber plate, adopts the structural form of integration of automatic feeding and automatic cutting, greatly improves the cutting efficiency and the cutting quality of the rubber plate, effectively reduces the labor intensity of operators and improves the working efficiency. In addition, the cutting machine adopts automatic feeding, realizes the cutting of the rubber plate by a mode of symmetrically arranged hob cutting, ensures the cutting quality and the cutting efficiency, simultaneously, adopts the same power source for driving the feeding and the cutting, realizes the synchronous transmission of the feeding and the cutting by a plurality of transmission mechanisms, improves the transmission efficiency, and has high stability; and it can realize thorough shearing of rubber slab, and is little to the damage of rubber itself.

2. Through foretell structure can provide cutting power and feeding power for cutting hob device and feed arrangement through power device is synchronous, and then avoided adopting many sets of power device, improved its transmission efficiency.

3. Through foretell cutting frame mainly used support and install cutting device, guaranteed through the lift spout that bottom hobbing cutter subassembly can go up and down in certain extent, and then can adapt to the cutting of different thickness rubber slabs.

4. Through the cooperation between foretell bottom hob assembly and the top hob assembly can realize the cooperation between two sets of hobs, and then carry out effectual bisection to the rubber slab through the hob, in cutting process, through the first hob of hob shaft simultaneous drive and second hob, and then cooperate with the corresponding hob on the bottom hob assembly and realize the cutting.

5. The power device is mainly used for providing cutting power.

6. The rotation of the main shafts of the bottom hob assembly and the top hob assembly can be realized simultaneously through the synchronous transmission mechanism, and then the normal cutting process is ensured.

7. The height position of the top hobbing cutter assembly can be adjusted through the lifting adjusting structure, so that the cutting use of rubber plates with different thicknesses can be guaranteed, and the cutting quality of the rubber plates is guaranteed.

8. The feeding device is mainly used for feeding operation. Thereby realizing the automatic feeding of the rubber plate.

9. The chain transmission mechanism can be used for driving the feeding device, and simultaneously transmits the power of the power device to the feeding device, so that the automatic feeding is finally realized.

Drawings

The invention is further illustrated by the following figures and examples.

FIG. 1 is a first perspective three-dimensional view of the present invention.

FIG. 2 is a second perspective three-dimensional view of the present invention.

FIG. 3 is a third perspective three-dimensional view of the present invention.

FIG. 4 is a fourth perspective three-dimensional view of the present invention.

Fig. 5 is a front view of the present invention.

Fig. 6 is a side view of the present invention.

FIG. 7 is a view A-A of FIG. 5 of the present invention.

In the figure: the device comprises a rack structure 1, a power device 2, a feeding device 3, a chain tensioning mechanism 4, a synchronous transmission mechanism 5, a cutting rack 6, a lifting adjusting structure 7, a cutting hob device 8 and a chain transmission mechanism 9;

supporting legs 101, a frame 102, a middle cross beam 103, a middle plate 104 and a top frame 105;

a motor 201, a first chain wheel 202, a motor spindle 203, a first chain 204 and a second chain wheel 205;

a roller supporting plate 301, a feeding roller 302, a feeding friction groove roller 303, a top pressing roller 304, a pressing roller connecting plate 305 and a cross bar 306;

a fixing block 401, a connecting rod 402, a fastening bolt 403, a supporting rod 404, a tensioning wheel mounting shaft 405 and a tensioning chain wheel 406;

a first gear 501, a second gear 502;

a vertical plate base 601, a supporting vertical plate 602 and a lifting chute 603;

an adjusting screw 701, an adjusting nut 702, a connecting block 703, a main shaft mounting sleeve 704 and a top cross beam 705;

a hob shaft 801, a lock nut 802, a positioning sleeve 803, a first hob 804, a spacing sleeve 805, a second hob 806, a top hob assembly 807, a bottom hob assembly 808, a lock screw 809;

third sprocket 901, second chain 902, fourth sprocket 903.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings.