Rubber slitting machine

Abstract

The utility model relates to the technical field of rubber processing, in particular to a rubber slitting machine. Comprising a rack, a lower driving roller is rotationally connected to the middle of the top face of the rack, a cutting roller with the position capable of being adjusted up and down is arranged at the position, above the lower driving roller, of the rack, the lower driving roller and the cutting roller are driven by different motors respectively, a plurality of riding wheels are arranged on the lower driving roller, and first grooves are formed in the middles of the outer circumferences of the riding wheels; a base plate at the top of the bracket is located in the first groove, the top face of the base plate and the tops of the riding wheels are located on the same horizontal plane, a slit is formed in the base plate, a plurality of cutting wheels are arranged on the cutting roller, a second groove is formed in the middle of the outer circumference of each cutting wheel, and a cutting disc coaxial with the cutting wheels is located in the middle of the second groove. The outer diameter of the cutting disc is larger than that of the cutting wheel, the cutting disc is aligned to the slit, and the two sides of the rack are rotationally connected with a first carrier roller and a second carrier roller correspondingly. By means of the rubber strip cutting device, the edge of cut rubber is smooth and free of burrs.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber processing technical field especially relates to a rubber slitting machine. BACKGROUND

[0002] The rubber slitting machine is used to cut rubber into strips. The patent with the application number 201821914994.8 discloses a rubber slitting machine, which comprises a rack, a lower knife assembly arranged on the rack, an upper knife assembly located upstream of the lower knife assembly, a plurality of trimming knives for trimming rubber strips cut by the lower knife assembly and the upper knife assembly, a second adjusting assembly arranged on the rack to adjust the vertical position of the upper knife assembly, a first adjusting assembly to adjust the horizontal position of the upper knife assembly and the second adjusting assembly, and a third adjusting assembly to adjust the horizontal position of the trimming knives. The gap between the upper and lower circular knives is adjusted by the first and second adjusting mechanisms, which facilitates the preliminary cutting and tearing of rubber by the upper and lower knife assemblies. Then, the relative position of the trimming knives is adjusted by the third adjusting mechanism, which facilitates the further trimming of the burrs by the trimming knives, so that the edges of the cut rubber are smooth and burr-free, and the cutting quality of the cutting machine is improved. The present application provides a rubber slitting machine that can make the edges of the cut rubber smooth and burr-free without the need to arrange trimming knives. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a rubber slitting machine in view of the above technical deficiencies.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a rubber slitting machine, which comprises a rack, a lower driving roller rotatably connected to the middle part of the top surface of the rack, a cutting roller arranged above the lower driving roller and capable of adjusting the position up and down, the lower driving roller and the cutting roller being driven by different motors respectively, a plurality of supporting rollers arranged on the lower driving roller, a first groove arranged in the middle part of the outer circumference of the supporting rollers, a pad arranged on the top of the bracket and located in the first groove, the top surface of the pad being on the same horizontal plane as the top of the supporting rollers, a slit arranged on the pad, a plurality of cutting wheels arranged on the cutting roller, a second groove arranged in the middle part of the outer circumference of the cutting wheels, a disc cutter coaxial with the cutting wheels and located in the middle part of the second groove, the outer diameter of the disc cutter being larger than that of the cutting wheel, the disc cutter being aligned with the slit, and a first supporting roller and a second supporting roller rotatably connected to the two sides of the rack respectively.

[0005] In a preferred example, the utility model can be further configured as follows: one side of the supporting roller is provided with a first fixing sleeve, a first threaded hole penetrating through the first fixing sleeve is arranged on the first fixing sleeve, and a first bolt is connected to the first threaded hole.

[0006] The utility model discloses a further configuration in a preferable example can be: one side of cutting wheel is provided with second fixed sleeve, be provided with the second threaded hole of through on second fixed sleeve, second threaded hole is connected with second bolt.

[0007] The utility model discloses a further configuration in a preferable example can be: the lower part of bracket is provided with fixed plate, be provided with fixed hole on fixed plate, be provided with the long slot of through on rack, the extension direction of long slot is parallel with the axis of lower drive roll, and third bolt is connected with bolt after passing fixed hole and long slot.

[0008] The utility model discloses a further configuration in a preferable example can be: the width of second recess is greater than the width of backing plate.

[0009] Compared with prior art, the utility model has following advantages: a plurality of supporting wheels are arranged on the lower drive roll, the first recess is arranged on the supporting wheel, the backing plate with the slit on the top of bracket is located in the first recess, a plurality of cutting rollers are arranged on the cutting roll, the second recess is arranged on the cutting roller, the disc cutter is located in the second recess, the disc cutter can be inserted into the slit to a certain depth to cut through the rubber belt, and the rotation of the lower drive roll and the cutting roll can drive the rubber belt to advance to be divided into a plurality of strips, and the rubber edge after cutting is flat without burr. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structure schematic view of a rubber slitting machine.

[0011] Figure 2 It is Figure 1 It is the enlarged view of the place I.

[0012] Figure 3 It is a structure schematic view of bracket.

[0013] In the drawing: 1, rack;11, long slot;2, lower drive roll;21, supporting wheel;211, first recess;3, first supporting roller;4, cutting roll;41, cutting wheel;411, disc cutter;412, second recess;5, second supporting roller;6, bearing seat;7, bracket;71, fixed plate;711, fixed hole;72, backing plate;721, slit. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is explained in further detail below in combination with specific implementation manners and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0015] DETAILED DESCRIPTION: in combination withFigures 1-3 As shown in the figure, a rubber slitting machine comprises a frame 1, a lower driving roller 2 rotatably connected to the middle of the top surface of the frame 1, a cutting roller 4 arranged above the lower driving roller 2 and capable of being adjusted in position, bearings 6 rotatably connected to the two ends of the cutting roller 4, the bearings 6 being slidably connected to the frame 1, a threaded hole arranged on the top of the frame 1, a screw rod threadedly connected to the threaded hole and rotatably connected to the bearings 6, and the screw rod being rotated to adjust the position of the cutting roller 4 upwardly or downwardly, the lower driving roller 2 and the cutting roller 4 being driven by different motors, the lower driving roller 2 and the cutting roller 4 rotating in opposite directions, a plurality of supporting rollers 21 arranged on the lower driving roller 2, a first groove 211 arranged in the middle of the outer circumference of the supporting roller 21, a pad 72 arranged on the top of a bracket 7 and located in the first groove 211, the top surface of the pad 72 being on the same horizontal plane as the top of the supporting roller 21, the width of the pad 72 being smaller than the width of the first groove 211, a slit 721 arranged on the pad 72, a plurality of cutting wheels 41 arranged on the cutting roller 4, a second groove 412 arranged in the middle of the outer circumference of the cutting wheel 41, a disc cutter 411 coaxial with the cutting wheel 41 being located in the middle of the second groove 412, the outer diameter of the disc cutter 411 being larger than the outer diameter of the cutting wheel 41, the disc cutter 411 being aligned with the slit 721 and being capable of being inserted into the slit 721 to a certain depth, the width of the slit 721 being slightly larger than the thickness of the disc cutter 411 (or the cutting edge inserted into the slit 721), and a first supporting roller 3 and a second supporting roller 5 rotatably connected to the two sides of the frame 1, respectively, preferably the top of the two supporting rollers being on the same horizontal plane as the top surface of the pad 72. In use, the rubber belt to be slitted passes from the first supporting roller 3, then passes between the lower driving roller 2 and the cutting roller 4, and then passes above the second supporting roller 5, the lower driving roller 2 and the cutting roller 4 rotate (in opposite directions), the linear velocities of the outer surfaces of the supporting rollers 21 and the cutting wheels 41 are equal, then the screw rod is rotated to lower the cutting roller 4, the disc cutter 411 cuts through the rubber belt and the lower part of the disc cutter 411 is inserted into the slit 721, and the cutting wheel 41 presses the rubber belt against the supporting roller 21, the rotation of the lower driving roller 2 and the cutting roller 4 makes the rubber belt advance and be slitted into a plurality of strips. The pad 72 functions as a horizontal lifting device, so that the edges of the rubber strips after slitting are flat and have no burrs.

[0016] A first fixing sleeve is arranged on one side of the supporting roller 21, a first threaded hole penetrating through the first fixing sleeve is arranged, a first bolt is connected to the first threaded hole, and the position of the supporting roller 21 can be adjusted by loosening the first bolt.

[0017] A second fixing sleeve is arranged on one side of the cutting wheel 41, a second threaded hole penetrating through the second fixing sleeve is arranged, a second bolt is connected to the second threaded hole, and the position of the cutting wheel 41 can be adjusted by loosening the second bolt.

[0018] The lower part of the bracket 7 is provided with a fixing plate 71, the fixing plate 71 is provided with a fixing hole 711, the rack 1 is provided with a long slot 11 penetrating through, the extending direction of the long slot 11 is parallel to the axis of the lower driving roller 2, and the third bolt is connected with the bolt after penetrating through the fixing hole 711 and the long slot 11, the position of the bracket 7 can be adjusted by loosening the third bolt. The positions of the cutting wheel 41, the whole supporting wheel 21 and the bracket 7 can be adjusted, so that the rubber strip with the required width can be cut.

[0019] The width of the second groove 412 is greater than the width of the backing plate 72, the backing plate 72 is located in the range of the second groove 412, and the cutting wheel 41 cannot press the rubber on the backing plate 72, so that the rubber is more easily advanced.

[0020] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A rubber slitting machine, comprising a frame (1), characterized in that: A lower drive roller (2) is rotatably connected to the middle of the top surface of the frame (1). A cutting roller (4) that can be adjusted up and down is provided above the lower drive roller (2) on the frame (1). The lower drive roller (2) and the cutting roller (4) are driven by different motors. Multiple support rollers (21) are provided on the lower drive roller (2). A first groove (211) is provided in the middle of the outer circumference of the support roller (21). The pad (72) on the top of the bracket (7) is located in the first groove (211) and the top surface of the pad (72) is... The top of the support roller (21) is on the same horizontal plane. A slit (721) is provided on the pad (72). Multiple cutting wheels (41) are provided on the cutting roller (4). A second groove (412) is provided in the middle of the outer circumference of the cutting wheel (41). A disc cutter (411) coaxial with the cutting wheel (41) is located in the middle of the second groove (412). The disc cutter (411) is aligned with the slit (721). The first support roller (3) and the second support roller (5) are rotatably connected to both sides of the frame (1).

2. The rubber slitting machine according to claim 1, characterized in that: A first fixing sleeve is provided on one side of the support roller (21), and a first threaded hole is provided on the first fixing sleeve, and a first bolt is connected to the first threaded hole.

3. A rubber slitting machine according to claim 1, characterized in that: A second fixing sleeve is provided on one side of the cutting wheel (41), and a second threaded hole is provided on the second fixing sleeve, and a second bolt is connected to the second threaded hole.

4. A rubber slitting machine according to claim 1, characterized in that: The bracket (7) is provided with a fixing plate (71) at its lower part. The fixing plate (71) is provided with a fixing hole (711). The frame (1) is provided with a through groove (11). The extension direction of the groove (11) is parallel to the axis of the lower drive roller (2). The third bolt passes through the fixing hole (711) and the groove (11) and is connected to the bolt.

5. A rubber slitting machine according to any one of claims 1-4, characterized in that: The width of the second groove (412) is greater than the width of the pad (72).

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