Conveying belt slitting equipment

Abstract

The utility model discloses a conveying belt slitting device which comprises a base, a supporting table, an unwinding mandrel, a slitting cutter set and a traction assembly. An unwinding mandrel and a traction assembly are arranged on the base at intervals, a supporting table is fixedly arranged on the portion, between the unwinding mandrel and the traction assembly, of the base, a conveying belt horizontally passes through the upper end face of the supporting table in the unwinding process, a slitting knife set is arranged at the end, close to the traction assembly, of the supporting table, and the slitting knife set comprises a screw, a knife holder and a blade. Two vertical plates are vertically and fixedly arranged on the base located on the two sides of the supporting table, a screw rod is horizontally and fixedly arranged between the two vertical plates, a plurality of tool aprons are fixedly arranged on the screw rod at intervals in a threaded mode, and a blade is coaxially and fixedly arranged on each tool apron; according to the conveying belt slitting equipment, the problems that in the prior art, the distance between multiple blades in a slitting device does not have the adjusting function, the slit width is a fixed value, and the practicability and flexibility of the slitting equipment are reduced are solved.

Description

Technical Field

[0001] This utility model relates to the field of conveyor belt processing technology, specifically to a conveyor belt slitting device. Background Technology

[0002] Conveyor belts are an important component of conveyors. During production, they are often manufactured in a wider width and then cut into appropriate widths according to user requirements.

[0003] A search revealed Chinese patent application number CN202321580140.1, which discloses a conveyor belt slitting device. This device includes an unwinding mandrel with a conveyor belt wound around it and a traction assembly. Under the traction force of the traction assembly, the conveyor belt is gradually unwound from the unwinding mandrel. This conveyor belt slitting device is separately equipped with a damping device. The conveyor belt to be slitted passes through the gap between the damping roller and the pressure roller. An adjusting cylinder drives the pressure roller to press the conveyor belt tightly onto the damping roller. A brake is connected to the end of the damping roller shaft to transmit damping torque to the damping roller. Simultaneously, the damping device cooperates with the traction roller to achieve conveyor belt tensioning.

[0004] In the process of implementing this utility model, the inventors discovered the following problems with the existing technology:

[0005] The existing slitting device does not have an adjustable spacing between the multiple blades during use, resulting in a fixed width after slitting, which reduces its practicality and flexibility.

[0006] Therefore, the present invention urgently needs to solve the problem of providing a conveyor belt slitting device that can adjust the spacing between multiple blades during use, so that the conveyor belt can be slitted to obtain different widths, thereby improving the flexibility and practicality of the entire device. The method of adjusting the blade spacing is simple, time-saving and labor-saving. Utility Model Content

[0007] To address the aforementioned technical problems, the purpose of this utility model is to overcome the issue that the spacing between multiple blades in the existing slitting device is not adjustable, resulting in a fixed width after slitting, which reduces its practicality and flexibility. This utility model provides a conveyor belt slitting device that allows for adjustment of the spacing between multiple blades during use, enabling the conveyor belt to achieve different widths after slitting. This improves the flexibility and practicality of the entire device, and the method of adjusting the blade spacing is simple, time-saving, and labor-saving.

[0008] To achieve the above objectives, this utility model provides a conveyor belt slitting device, which includes: a base, a support platform, an unwinding mandrel, a slitting blade assembly, and a traction component;

[0009] The base is provided with a pay-off mandrel and a traction assembly at intervals, under the action of traction of the traction assembly, so that the conveying belt is gradually paid off from the pay-off mandrel, the base is fixedly provided with a support table between the pay-off mandrel and the traction assembly, the conveying belt in the process of paying off horizontally passes through the upper end surface of the support table, the support table is provided with a slitting cutter group at one end close to the traction assembly, the slitting cutter group comprises a screw rod, a cutter seat and a cutter blade, wherein

[0010] Two vertical plates are vertically and fixedly arranged on the base at both sides of the support table, a screw rod is horizontally and fixedly arranged between the two vertical plates, a plurality of cutter seats are fixedly arranged on the screw rod at intervals and in a threaded manner, and a cutter blade is coaxially and fixedly arranged on each cutter seat.

[0011] Preferably, the device comprises a tensioning mechanism; the tensioning mechanism comprises a tensioning wheel, a tensioning magnetic block, an electromagnet and a tensioning spring; wherein

[0012] Two tensioning seats are fixedly arranged on the base at intervals and vertically between the support table and the pay-off mandrel, the facing surfaces of the two tensioning seats are respectively partially recessed inward to form a tensioning recess, and the top of each tensioning recess is fixedly provided with an electromagnet; a tensioning magnetic block is horizontally and liftably arranged in each tensioning recess, the magnetism of the tensioning magnetic block is the same as that of the electromagnet after being electrified, the tensioning magnetic block and the electromagnet are connected together through the tensioning spring, and a tensioning roller for tensioning the conveying belt is horizontally and rotatably arranged between the two tensioning magnetic blocks.

[0013] Preferably, the tensioning mechanism further comprises a guide rod; wherein

[0014] The bottom end of the electromagnet is vertically fixedly provided with a guide rod, the bottom end of the guide rod is fixed at the bottom of the tensioning recess, the tensioning spring is sleeved on the guide rod between the tensioning magnetic block and the electromagnet, and the two ends of the tensioning spring are respectively fixed on the electromagnet and the tensioning magnetic block.

[0015] Preferably, a reversing roller whose top is flush with the upper end surface of the support table is horizontally and rotatably arranged on the support table close to the tensioning mechanism, and the conveying belt after being paid off from the pay-off mandrel passes through the bottom of the tensioning roller and the top of the reversing roller in turn and then passes through the upper end surface of the support table.

[0016] Preferably, a row of rotatable compression rollers capable of abutting against the upper end surface of the support table are horizontally and liftably arranged above the support table.

[0017] Preferably, the device further comprises a lifting mechanism for driving a row of the compression rollers to lift along the arrangement direction, the lifting mechanism comprises a lifting seat and a first electric telescopic rod; wherein

[0018] The opposite faces of the two vertical plates are respectively partially recessed inward to form lifting grooves, and two lifting seats are horizontally and liftably arranged in the two lifting grooves respectively, and a row of pressing rollers is horizontally and rotatably arranged between the two lifting seats, and at least one first electric telescopic rod is vertically and fixedly arranged at the top of each lifting groove, and the telescopic end of each first electric telescopic rod is fixed on the corresponding lifting seat.

[0019] Preferably, a row of first rollers is horizontally and rotatably arranged on the base between the slitting cutter group and the traction assembly through support frames, and a row of second rollers capable of abutting thereon is horizontally and liftably arranged above the row of first rollers.

[0020] Preferably, a fixed block is horizontally and liftably arranged above each of the two support frames, and a row of second rollers is spaced and horizontally rotatably arranged between the two fixed blocks, and a second electric telescopic rod is vertically and fixedly arranged on the side wall of each support frame, and the telescopic end of each second electric telescopic rod is fixed on the corresponding fixed block.

[0021] According to the above technical scheme, the conveying belt slitting equipment provided by the utility model has the following beneficial effects in use:

[0022] (1) The distance between each cutter blade can be adjusted by rotating the top seat to drive the cutter blades coaxially fixed thereon to move along the shaft of the screw rod, so as to adjust and control the width of the slitted conveying belt by changing the distance between the cutter blades, thereby improving the practicability and flexibility.

[0023] (2) The cutter seat is fixed on the screw rod in a threaded connection manner, so that the distance between the cutter blades can be quickly and conveniently adjusted, thereby reducing the adjustment difficulty and saving time and effort.

[0024] In summary, the utility model can adjust the distance between the cutter blades of the slitting equipment, so that the conveying belt can obtain different widths after slitting, thereby improving the flexibility and practicability of the entire equipment, and the cutter blade distance adjustment method is simple, time-saving and labor-saving.

[0025] Other features and advantages of the utility model will be described in detail in the following specific embodiment part; and the parts not involved in the utility model are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the following specific embodiment to explain the utility model, but do not constitute a limitation on the utility model. In the drawings:

[0027] Figure 1 is a structural schematic view of the conveying belt slitting equipment provided in a preferred embodiment of the utility model, and

[0028] Figure 2 is a structural sectional view of the conveying belt slitting equipment provided in a preferred embodiment of the utility model, and

[0029] Figure 3 is a structural side view of the conveying belt slitting equipment provided in a preferred embodiment of the utility model, and

[0030] Figure 4 is an assembly schematic view of the tensioning mechanism of the conveying belt slitting equipment provided in a preferred embodiment of the utility model.

[0031] Explanation of reference signs

[0032] 1, base; 2, support table; 3, unwinding mandrel; 4, slitting cutter set; 401, screw rod; 402, cutter seat; 403, cutter blade; 5, vertical plate; 6, traction assembly; 7, fixed block; 8, reversing roller; 9, No. 1 roller; 10, No. 2 roller; 11, compression roller; 12, tensioning seat; 13, tensioning mechanism; 1301, guide rod; 1302, tensioning magnetic block; 1303, electromagnet; 1304, tensioning spring; 14, lifting seat; 15, No. 1 electric telescopic rod; 16, No. 2 electric telescopic rod. DETAILED DESCRIPTION

[0033] The specific embodiments described below are intended to be illustrative of the present utility model and are not intended to limit the present utility model. The present utility model is defined by the claims.

[0034] As shown in Figures 1-4 , the utility model provides a conveying belt slitting equipment, which comprises a base 1, a support table 2, an unwinding mandrel 3, a slitting cutter set 4 and a traction assembly 6.

[0035] The unwinding mandrel 3 and the traction assembly 6 are arranged on the base 1 at intervals, and under the action of the traction force of the traction assembly 6, the conveying belt is gradually unwound from the unwinding mandrel 3; the support table 2 is fixedly arranged on the base 1 between the unwinding mandrel 3 and the traction assembly 6, and the conveying belt in the unwinding process horizontally passes through the upper end face of the support table 2; the slitting cutter set 4 is arranged at one end of the support table 2 close to the traction assembly 6, and the slitting cutter set 4 comprises a screw rod 401, a cutter seat 402 and a cutter blade 403; wherein,

[0036] Two vertical plates 5 are vertically and fixedly arranged on the base 1 on both sides of the support table 2, a screw rod 401 is horizontally and fixedly arranged between the two vertical plates 5, a plurality of cutter holders 402 are spaced and threadedly fixed on the screw rod 401, and a cutter blade 403 is coaxially and fixedly arranged on each cutter holder 402.

[0037] In the above scheme, before use, the distance between each cutter blade 403 is adjusted by rotating the top seat 402 to drive the coaxially fixed cutter blade 403 to move along the shaft during the rotation of the screw rod 401, so as to adjust and control the width of the cut conveyor belt by changing the distance between the plurality of cutter blades 403, thereby improving the practicability and flexibility.

[0038] In addition, the cutter holder 402 is fixed on the screw rod 401 in a threaded connection manner, which facilitates quick adjustment of the distance between the plurality of cutter blades 403, reduces the adjustment difficulty, and saves time and effort.

[0039] In a preferred embodiment of the present application, the device comprises a tensioning mechanism 13; the tensioning mechanism 13 comprises: a tensioning roller, a tensioning magnetic block 1302, an electromagnet 1303 and a tensioning spring 1304; wherein,

[0040] Two tensioning seats 12 are spaced and vertically fixed on the base 1 between the support table 2 and the unwinding mandrel 3, the facing surfaces of the two tensioning seats 12 are respectively partially recessed inward to form tensioning grooves, and the top of each tensioning groove is fixedly provided with an electromagnet 1303; a tensioning magnetic block 1302 is horizontally and liftably arranged in each tensioning groove, the magnetism of the tensioning magnetic block 1302 is the same as that of the electromagnet 1303 after being electrified, the tensioning magnetic block 1302 and the electromagnet 1303 are connected together through the tensioning spring 1304, and a tensioning roller for tensioning the conveyor belt is horizontally and rotatably arranged between the two tensioning magnetic blocks 1302.

[0041] In the above scheme, during use, the electromagnet 1303 is electrified, and repulsive force is generated between the electromagnet 1303 after being electrified and the tensioning magnetic block 1302, so that the two tensioning magnetic blocks 1302 respectively drive the tensioning roller to descend in the vertical direction in the tensioning groove, and the tensioning spring 1304 is stretched to be in a stretched state, so that the descending tensioning roller pushes the conveyor belt to move downward, so that the unwound conveyor belt is in a tensioned state, thereby tensioning the conveyor belt into a flat state for the slitting cutter group 4 to slit.

[0042] In a preferred embodiment of the present application, the tensioning mechanism 13 further comprises: a guide rod 1301; wherein,

[0043] The bottom end of the electromagnet 1303 is vertically fixedly provided with a guide rod 1301, the bottom end of the guide rod 1301 is fixed at the bottom of the tensioning groove, a tensioning spring 1304 is sleeved on the guide rod 1301 between the tensioning magnetic block 1302 and the electromagnet 1303, and the two ends of the tensioning spring 1304 are fixed on the electromagnet 1303 and the tensioning magnetic block 1302 respectively.

[0044] In the above scheme, a guide hole for the guide rod 1301 to pass through is vertically and penetratively arranged on the tensioning magnetic block 1302, and the tensioning magnetic block 1302 is sleeved on the guide rod 1301 through the guide hole and can be lifted and lowered, and under the guidance of the guide rod 1301, it can be ensured that the tensioning magnetic block 1302 can be linearly lifted and lowered on the guide rod 1301.

[0045] In the embodiment, the tensioning mechanism 13 can be replaced by the damping device disclosed in the background technology cited patent (CN202321580140.1) (the damping device comprises a plurality of pressure rollers and damping rollers arranged at intervals, the two ends of the pressure roller and the damping roller are rotatably connected with the side plate, and the conveying belt passes through the space below the pressure roller, between the pressure roller and the damping roller and above the damping roller in sequence. One end of the damping roller is provided with a brake, and the brake can bring resistance to the rotation of the damping roller, so that the rotation speed of the damping roller is lower than that of the pressure roller, so that the conveying belt is tensioned to be flat, and the cutting knife is cut, and the traction assembly 6 in the embodiment also adopts the traction assembly disclosed in the patent cited in the background technology. The traction assembly comprises a traction roller set and a traction motor, the output shaft of the traction motor is power transmitted to the traction roller set through a speed reducer, and the traction roller set provides power for unwinding of the conveying belt, the traction roller set comprises two traction rollers with opposite rotation directions, and the conveying belt passes between the two traction rollers. With the rotation of the traction roller, the conveying belt is continuously unwound).

[0046] In a preferred embodiment of the utility model, the support table 2 near the tensioning mechanism 13 is horizontally and rotatably provided with a reversing roller 8 with the top flat with the upper end surface of the support table 2, and the conveying belt unwound from the unwinding mandrel 3 passes through the bottom of the tensioning roller and the top of the reversing roller 8 and then the upper end surface of the support table 2.

[0047] In the above scheme, when the conveying belt unwound from the unwinding mandrel 3 passes through the tensioning mechanism 13 and is guided by the reversing roller 8, the conveying belt after tensioning can pass horizontally through the upper end of the support table 2 and be stably and reliably cut by the cutting knife set 4.

[0048] In a preferred embodiment of the utility model, the upper part of the support table 2 is horizontally and liftably provided with a row of rotatable compression rollers 11 capable of abutting on the upper end face thereof.

[0049] In the above scheme, the row of compression rollers 11 is driven to descend along the vertical direction to abut on the conveying belt on the support table 2, so that the conveying belt can horizontally pass through the upper end face of the support table 2, and the conveying belt can horizontally pass through the slitting cutter group 4 for slitting.

[0050] In a preferred embodiment of the utility model, the device further comprises a lifting mechanism for driving the row of compression rollers 11 to ascend or descend along the setting direction, wherein the lifting mechanism comprises a lifting seat 14 and a first electric telescopic rod 15; wherein

[0051] The facing surfaces of the two vertical plates 5 are respectively partially recessed inward to form lifting grooves, and the lifting grooves are respectively horizontally and liftably provided with lifting seats 14, and a row of compression rollers 11 is horizontally and rotatably arranged between the two lifting seats 14, and at least one first electric telescopic rod 15 is vertically and fixedly arranged on the top of each lifting groove, and the telescopic end of each first electric telescopic rod 15 is fixed on the corresponding lifting seat 14.

[0052] In the above scheme, the two lifting seats 14 are driven by the first electric telescopic rod 15 to drive the row of compression rollers 11 therebetween to abut on the conveying belt on the support table 2, so that the conveying belt can horizontally pass through the upper end face of the support table 2, and the conveying belt can horizontally pass through the slitting cutter group 4 for slitting.

[0053] In a preferred embodiment of the utility model, a row of first rollers 9 is horizontally and rotatably arranged on the base 1 between the slitting cutter group 4 and the traction assembly 6, and a row of second rollers 10 capable of abutting thereon is horizontally and liftably arranged above the row of first rollers 9.

[0054] In the above scheme, the top of the row of first rollers 9 is flush with the upper end face of the support table 2, and the distance between the row of first rollers 9 and the row of second rollers 10 is adjusted by driving the row of second rollers 10 to descend along the vertical direction to a certain height, so that the conveying belt can horizontally pass between the row of first rollers 9 and the row of second rollers 10, and the conveying belt can horizontally pass through the slitting cutter group 4, thereby facilitating the slitting of the slitting cutter group 4.

[0055] In a preferred embodiment of the utility model, two supporting frames are provided with fixed blocks 7 above them, which are horizontally and liftable, and a row of No. 10 rollers are arranged between the two fixed blocks 7, which are horizontally rotatable, and No. 16 electric telescopic rods are vertically arranged on the side walls of each supporting frame, and the telescopic ends of each No. 16 electric telescopic rod are fixed on the corresponding fixed block 7.

[0056] In the above scheme, the No. 16 electric telescopic rods can drive the two fixed blocks 7 to drive the row of No. 10 rollers between them to lift in the vertical direction.

[0057] In the embodiment, the No. 15 and No. 16 electric telescopic rods are servo cylinders, which are modular products with integrated design of servo motors and leadscrews, and their speed is 0.1-2 m / s. Because of closed-loop servo control, the control precision is high. It has the characteristics of low cost, flexible configuration, etc., and is the best alternative to hydraulic cylinders and air cylinders. Therefore, the specific structure and use principle of the No. 15 and No. 16 electric telescopic rods will not be repeated here.

[0058] In summary, the conveying belt slitting device provided by the utility model overcomes the problem that the spacing between the multiple blades in the slitting device in the prior art does not have an adjusting function, resulting in a fixed width after slitting, which reduces the practicality and flexibility.

[0059] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.

[0060] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combination manners.

[0061] In addition, various different embodiments of the utility model can also be combined arbitrarily, as long as they do not deviate from the idea of the utility model, and they should also be considered as disclosed by the utility model.

Claims

1. A conveyor belt slitting apparatus, characterized by, The device comprises a base (1), a support table (2), a pay-off mandrel (3), a slitting cutter group (4) and a traction assembly (6); The base (1) is provided with the pay-off mandrel (3) and the traction assembly (6) at intervals, and the traction assembly (6) is used to gradually pay off the conveying belt from the pay-off mandrel (3) under the action of traction force, the support table (2) is fixedly arranged on the base (1) between the pay-off mandrel (3) and the traction assembly (6), the conveying belt in the pay-off process horizontally passes through the upper end surface of the support table (2), and the support table (2) is provided with the slitting cutter group (4) at one end close to the traction assembly (6), the slitting cutter group (4) comprises a screw rod (401), a cutter seat (402) and a cutter blade (403), and wherein Two vertical plates (5) are vertically and fixedly arranged on the base (1) at both sides of the support table (2), a screw rod (401) is horizontally and fixedly arranged between the two vertical plates (5), a plurality of cutter seats (402) are fixedly and threadedly arranged on the screw rod (401) at intervals, and a cutter blade (403) is coaxially and fixedly arranged on each cutter seat (402).

2. The conveyor belt slitting apparatus of claim 1, wherein, The device comprises a tensioning mechanism (13); the tensioning mechanism (13) comprises a tensioning wheel, a tensioning magnetic block (1302), an electromagnet (1303) and a tensioning spring (1304); wherein Two tensioning seats (12) are fixedly and vertically arranged on the base (1) between the support table (2) and the pay-off mandrel (3) at intervals, the facing surfaces of the two tensioning seats (12) are respectively partially recessed inward to form tensioning recesses, and the top of each tensioning recess is fixedly provided with an electromagnet (1303); a tensioning magnetic block (1302) is horizontally and liftably arranged in each tensioning recess, the magnetism of the tensioning magnetic block (1302) is the same as that of the electromagnet (1303) after being electrified, the tensioning magnetic block (1302) and the electromagnet (1303) are connected together through the tensioning spring (1304), and a tensioning roller for tensioning the conveying belt is horizontally and rotatably arranged between the two tensioning magnetic blocks (1302).

3. The conveyor belt slitting apparatus of claim 2, wherein, The tensioning mechanism (13) further comprises a guide rod (1301); wherein The bottom end of the electromagnet (1303) is fixedly provided with the guide rod (1301), the bottom end of the guide rod (1301) is fixed at the bottom of the tensioning recess, the tensioning spring (1304) is sleeved on the guide rod (1301) between the tensioning magnetic block (1302) and the electromagnet (1303), and the two ends of the tensioning spring (1304) are fixed on the electromagnet (1303) and the tensioning magnetic block (1302) respectively.

4. The conveyor belt slitting apparatus of claim 2, wherein, The support table (2) close to the tensioning mechanism (13) is provided with a reversing roller (8) at intervals and horizontally and rotatably, the top of the reversing roller (8) is flush with the upper end surface of the support table (2), and the conveying belt after being paid off from the pay-off mandrel (3) passes through the bottom of the tensioning roller and the top of the reversing roller (8) in sequence and then passes through the upper end surface of the support table (2).

5. The conveyor belt slitting apparatus of claim 1, wherein, The upper part of the support table (2) is horizontally and vertically provided with a row of rotatable press rollers (11) capable of abutting against the upper end face thereof.

6. The conveyor belt slitting apparatus of claim 5, wherein, The device further comprises a lifting mechanism for driving the row of press rollers (11) to lift along the arrangement direction, wherein the lifting mechanism comprises a lifting seat (14) and a first electric telescopic rod (15); wherein, The opposite faces of the two vertical plates (5) are respectively partially recessed inward to form lifting grooves, and the two lifting grooves are respectively horizontally and vertically provided with lifting seats (14), and a row of press rollers (11) is horizontally and rotatably arranged between the two lifting seats (14), and the top of each lifting groove is vertically and fixedly provided with at least one first electric telescopic rod (15), and the telescopic end of each first electric telescopic rod (15) is fixed on the corresponding lifting seat (14).

7. The conveyor belt slitting apparatus of claim 1, wherein, A row of first rollers (9) is horizontally and rotatably arranged on the base (1) between the slitting cutter group (4) and the traction assembly (6), and a row of second rollers (10) is horizontally and vertically arranged above the row of first rollers (9) and capable of abutting against the upper part thereof.

8. The conveyor belt slitting apparatus of claim 7, wherein, The upper part of each of the two support frames is horizontally and vertically provided with a fixed block (7), and a row of second rollers (10) is horizontally and rotatably arranged between the two fixed blocks (7), and the side wall of each support frame is vertically and fixedly provided with a second electric telescopic rod (16), and the telescopic end of each second electric telescopic rod (16) is fixed on the corresponding fixed block (7).

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