Novel knife grinding device of tobacco cutter

Abstract

The utility model discloses a novel knife grinding device of a tobacco cutter, which comprises a tobacco cutting roller, a driving main shaft is fixed in the middle of the tobacco cutting roller in a penetrating manner, two ends of the driving main shaft are rotatably inserted into the tobacco cutter, one end of the driving main shaft is connected with a power component of the tobacco cutter, and the outer sides of the two ends of the driving main shaft are respectively sleeved with a hanging plate. The two hanging plates are rotationally connected with the driving main shaft, a fixed top plate is fixed to the top ends of the two hanging plates, the fixed top plate is fixed to the tobacco cutter, a plurality of tobacco cutting blades are distributed on the outer surface of the driving main shaft in a circular array mode, and a movable motor is fixed in the fixed top plate. A movable lead screw is fixed to the output shaft end of the movable motor, and a movable supporting block is arranged on the outer side of the movable lead screw. According to the shredding cutter strip polishing device, the shredding cutter strip is polished under the condition that the shredding roller and the shredding cutter strip do not need to be detached, the polishing procedure of the shredding cutter strip is simplified, the polishing time is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutter grinding of a cutting machine, in particular to a novel cutter grinding device for a cutting machine. Background Technique

[0002] Cut tobacco refers to tobacco products that are cut into filaments, granules, flakes, powders or other shapes, then added with auxiliary materials, fermented and stored, and can be sold and smoked without rolling. There are various ways to use cut tobacco. It can be directly rolled into any shape with cigarette paper, or rolled into a cigarette shape with a special cigarette rolling device, or even used with smoking tools such as a pipe.

[0003] When processing tobacco into cut tobacco, a cutting machine is needed, which is a device for cutting sheet tobacco or tobacco stems into filaments of a certain width, and is divided into rotary cutting machines, hob-type cutting machines and up-and-down cutting machines, etc. The up-and-down type has been basically phased out due to low production capacity and poor cutting quality. Now the more common one is the hob-type, and the hob-type has two types: straight knives and inclined knives.

[0004] However, when the cutter of the existing hob-type cutting machine is worn, the cutter needs to be disassembled from the cutting machine and then ground. The operation is relatively cumbersome and time-consuming, and the disassembly and installation of the cutter will have a greater impact on the use of the cutting machine. Therefore, it does not meet the existing requirements, and for this reason, we propose a novel cutter grinding device for a cutting machine. Content of the Utility Model

[0005] The purpose of the utility model is to provide a novel cutter grinding device for a cutting machine to solve the problems mentioned in the above background technique, that is, when the cutter of the existing hob-type cutting machine is worn, the cutter needs to be disassembled from the cutting machine and then ground. The operation is relatively cumbersome and time-consuming, and the disassembly and installation of the cutter will have a greater impact on the use of the cutting machine.

[0006] To achieve the above object, the present utility model provides the following technical solution: a novel knife sharpening device for a cutting machine, comprising a cutting roller, a driving main shaft is fixedly penetrated through the middle of the cutting roller, both ends of the driving main shaft are rotatably inserted inside the cutting machine, and one end of the driving main shaft is connected to the power assembly of the cutting machine. Suspension plates are sleeved on the outer sides of both ends of the driving main shaft. The two suspension plates are rotatably connected to the driving main shaft, and a fixed top plate is fixed at the top ends of the two suspension plates. The fixed top plate is fixed to the cutting machine. A plurality of cutting knife bars are circularly and arrayedly distributed on the outer surface of the cutting roller. A movable knife sharpening assembly for grinding the lower cutting knife bars is suspended below the fixed top plate. The knife sharpening assembly includes a moving lead screw, a moving support block is arranged outside the moving lead screw. The moving support block is in threaded transmission with the moving lead screw, and the top end of the moving support block is inserted into the bottom of the fixed top plate and is slidably connected to the fixed top plate. An arc-shaped mounting strip is fixed at the bottom end of the moving support block. A plurality of groups of symmetrically arranged grinding pieces are mounted at the bottom of the arc-shaped mounting strip. The rotation of the moving lead screw is driven by a moving motor at the end.

[0007] The arc-shaped mounting strip is arc-shaped and the radian angle of the arc-shaped mounting strip is 130-150 degrees.

[0008] The grinding piece is U-shaped and bent, and one end is fixed to the bottom surface of the arc-shaped mounting strip. The other end of the grinding piece inclines outward and contacts the end of another grinding piece.

[0009] A connecting rod is fixed between both ends of the grinding piece, and a connecting ring is sleeved on the outer side of the connecting rod.

[0010] A tension connecting rod is fixed at the top of the connecting ring, an electromagnet is fixed inside the arc-shaped mounting strip, and a magnetic metal strip is arranged below the electromagnet.

[0011] The electromagnet is magnetically adsorbed and connected to the magnetic metal strip. The magnetic metal strip is slidably connected to the arc-shaped mounting strip. The top end of the tension connecting rod penetrates through the bottom of the arc-shaped mounting strip and is fixed to the magnetic metal strip.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. The present utility model uses symmetrically arranged grinding pieces to clamp the cutting edge of the cutting knife bar, and then the moving motor drives the moving lead screw to rotate, so that the moving lead screw drives the moving support block, the arc-shaped mounting strip and the grinding pieces to move back and forth, so that the grinding pieces clamping the cutting edge of the cutting knife bar grind the cutting knife bar. When grinding the cutting knife bar, there is no need to disassemble the cutting knife bar from the inside of the cutting machine, which simplifies the grinding process of the cutting knife bar, shortens the grinding time and improves the work efficiency, and minimizes the impact on the use of the cutting machine.

[0014] 2. After the electromagnet is powered on, it attracts the magnetic metal strip upward, causing the tension connecting rod to drive the connecting ring and the connecting rod to move upward, so that the two ends of the grinding disc approach each other, and a gap appears between the two symmetrical grinding discs. Subsequently, when the moving support block drives the arc-shaped mounting strip and the grinding disc to move closer to the wire cutting knife strip, it ensures that the wire cutting knife strip smoothly enters between the two symmetrical grinding discs. Then, the power supply of the electromagnet is disconnected. After the power supply is disconnected, the magnetic metal strip, the tension connecting rod, and the connecting ring move downward and reset, and the end of the grinding disc elastically restores and contacts the side surface of the wire cutting knife strip, ensuring that the grinding disc is closely attached to the wire cutting knife strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0016] Figure 2 is a structural sectional view of the arc-shaped mounting strip of the present utility model;

[0017] Figure 3 is Figure 2 an enlarged structural view of part A in

[0018] Figure 4 is a structural sectional view of the fixed top plate of the present utility model.

[0019] In the figure: 1, wire cutting roller; 2, wire cutting knife strip; 3, driving main shaft; 4, suspension plate; 5, fixed top plate; 6, arc-shaped mounting strip; 7, grinding disc; 8, moving support block; 9, moving lead screw; 10, electromagnet; 11, magnetic metal strip; 12, tension connecting rod; 13, connecting ring; 14, connecting rod; 15, moving motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0021] Such as Figures 1 to 4As shown in the figure, a new type of knife sharpening device for a cutting machine is provided. A driving main shaft 3 is fixedly penetrated through the middle of a cutting roller 1. Both ends of the driving main shaft 3 are rotatably inserted into the cutting machine, and one end of the driving main shaft 3 is connected to the power assembly of the cutting machine. Suspension plates 4 are sleeved on the outer sides of both ends of the driving main shaft 3. The two suspension plates 4 are rotatably connected to the driving main shaft 3, and a fixed top plate 5 is fixed at the top ends of the two suspension plates 4. The fixed top plate 5 is fixed to the cutting machine. A plurality of cutting knife bars 2 are arranged in a circular array on the outer surface of the driving main shaft 3. A movable knife sharpening assembly for grinding the lower cutting knife bars is suspended below the fixed top plate 5. The knife sharpening assembly includes a moving lead screw 9 arranged in the fixed top plate 5. The rotation of the moving lead screw 9 is driven by a moving motor 15 fixed at the end and inside the fixed top plate. A moving support block 8 is arranged outside the moving lead screw 9. The moving support block 8 is in threaded transmission with the moving lead screw 9, and the top end of the moving support block 8 is inserted into the bottom of the fixed top plate 5 and is slidably connected to the fixed top plate 5. An arc-shaped mounting strip 6 is fixed at the bottom end of the moving support block 8. A plurality of groups of symmetrically arranged grinding sheets 7 are mounted at the bottom of the arc-shaped mounting strip 6. By clamping the cutting edge of the cutting knife bar 2 with the symmetrically arranged grinding sheets 7 in pairs and then driving the moving lead screw 9 to rotate by the moving motor 15, the moving lead screw 9 drives the moving support block 8, the arc-shaped mounting strip 6 and the grinding sheets 7 to move reciprocally, so that the grinding sheets 7 clamping the cutting edge of the cutting knife bar 2 grind the cutting knife bar 2.

[0022] The arc-shaped mounting strip 6 is arc-shaped and the radian angle of the arc-shaped mounting strip 6 is 130 - 150 degrees, and the arc-shaped mounting strip 6 does not interfere with the normal operation of the cutting roller 1 and the cutting knife bar 2.

[0023] The grinding sheet 7 is U-shaped bent and one end is fixed to the bottom surface of the arc-shaped mounting strip 6. The other end of the grinding sheet 7 inclines outward and contacts the end of another grinding sheet 7. The bent and one-end inclined grinding sheet 7 has elasticity. When the grinding sheet 7 contacts the cutting knife bar 2, the grinding sheet 7 completely fits on the side surface of the cutting knife bar 2.

[0024] A connecting rod 14 is fixed between the two ends of the grinding sheet 7. A connecting ring 13 is sleeved on the outer side of the connecting rod 14. A tension connecting rod 12 is fixed at the top of the connecting ring 13. An electromagnet 10 is fixed inside the arc-shaped mounting strip 6. A magnetic metal strip 11 is arranged below the electromagnet 10. The electromagnet 10 is magnetically adsorbed and connected to the magnetic metal strip 11. The magnetic metal strip 11 is slidably connected to the arc-shaped mounting strip 6. The top end of the tension connecting rod 12 penetrates through the bottom of the arc-shaped mounting strip 6 and is fixed to the magnetic metal strip 11. After the electromagnet 10 is powered on, it attracts the magnetic metal strip 11 upward, so that the tension connecting rod 12 drives the connecting ring 13 and the connecting rod 14 to move upward, thereby making the two ends of the grinding sheet 7 approach each other, ensuring that the cutting knife bar 2 smoothly enters between the two symmetric grinding sheets 7.

[0025] Working principle: When the cutting knife bars 2 on the outer surface of the cutting roller 1 installed inside the cutting machine need to be polished, first suspend the operation of the cutting machine, then energize the electromagnet 10 to attract the magnetic metal bar 11 upward, so that the magnetic metal bar 11 drives the tension connecting rod 12 and the connecting ring 13 to move upward to pull the connecting rod 14, making the two ends of the grinding disc 7 approach each other. Then energize and start the moving motor 15, so that the moving motor 15 drives the moving lead screw 9 to rotate, and the moving lead screw 9 drives the moving support block 8 to move through screw transmission. At this time, the moving support block 8 drives the arc-shaped mounting strip 6 and the grinding disc 7 to approach the cutting knife bar 2;

[0026] After the end of the cutting knife bar 2 enters between the two symmetrical grinding discs 7, cut off the power supply of the electromagnet 10, and the magnetic metal bar 11, the tension connecting rod 12 and the connecting ring 13 fall and reset. The grinding disc 7 elastically restores and the end of the grinding disc 7 presses against the side of the cutting knife bar 2. At this time, the moving motor 15 continues to drive the moving lead screw 9 to rotate, so that the moving support block 8 drives the arc-shaped mounting strip 6 and the grinding disc 7 to move from one end of the fixed top plate 5 to the other end. During the movement, the grinding disc 7 pressing the cutting knife bar 2 grinds the cutting knife bar 2. After the moving support block 8 moves to the other end of the fixed top plate 5, drive the main shaft 3 to drive the cutting roller 1 to rotate one-third of a circle under the drive of the power component inside the cutting machine, and then repeat the above process of grinding the cutting knife bar 2 to grind all the cutting knife bars 2. During the whole grinding process, there is no need to disassemble the cutting roller 1 and the cutting knife bars 2 from inside the cutting machine, which simplifies the grinding process of the cutting knife bars 2, shortens the grinding time and improves the work efficiency. After grinding, the cutting machine can run immediately, minimizing the impact on the use of the cutting machine.

[0027] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed claims.

Claims

1. A novel blade sharpening device for a wire cutter, comprising a wire cutter roller (1), a driving spindle (3) passing through the middle of the wire cutter roller (1), two ends of the driving spindle (3) being rotatably plugged into the wire cutter, and one end of the driving spindle (3) being connected to a power assembly of the wire cutter, characterized in that: Both ends of the driving main shaft (3) are sleeved with hanging plates (4) on the outside, the two hanging plates (4) are rotatably connected to the driving main shaft (3), and the top ends of the two hanging plates (4) are fixed with fixed top plates (5), the fixed top plates (5) are fixed to the wire cutting machine, a plurality of wire cutting blades (2) are arranged in a circular array on the outer surface of the wire cutting roller (1), a movable grinding assembly for grinding the wire cutting blades below is suspended below the fixed top plate (5), and the grinding assembly includes a movable screw rod (9), A movable support block (8) is provided on the outer side of the movable screw rod (9), and the movable support block (8) and the movable screw rod (9) are transmitted by thread, and the top end of the movable support block (8) is inserted into the bottom of the fixed top plate (5) and is slidably connected with the fixed top plate (5), and an arc-shaped mounting strip (6) is fixed to the bottom end of the movable support block (8), and a plurality of groups of grinding sheets (7) symmetrical in pairs are installed at the bottom of the arc-shaped mounting strip (6), and the rotation of the movable screw rod (9) is driven by a movable motor (15) at the end.

2. A new type of wire cutting machine sharpening device according to claim 1, characterized in that: The arc-shaped installation strip (6) is arc-shaped and the arc angle of the arc-shaped installation strip (6) is 130-150 degrees.

3. A new type of slitting machine sharpening device according to claim 2, characterized in that: The grinding sheet (7) is bent in a U shape and one end is fixed to the bottom surface of the arc-shaped mounting strip (6), and the other end of the grinding sheet (7) is inclined outward and contacts the end of another grinding sheet (7).

4. A new type of slitting machine sharpening device according to claim 3, characterized in that: A connecting rod (14) is fixed between the two ends of the grinding sheet (7), and a connecting ring (13) is sleeved on the outer side of the connecting rod (14).

5. A new type of blade sharpening device for a slitting machine according to claim 4, characterized in that: A tension connecting rod (12) is fixed on the top of the connecting ring (13), an electromagnet (10) is fixed inside the arc-shaped mounting strip (6), and a magnetic metal strip (11) is provided below the electromagnet (10).

6. A new type of blade sharpening device for a slitting machine according to claim 5, characterized in that: The electromagnet (10) is magnetically adsorbed and connected to the magnetic metal strip (11), the magnetic metal strip (11) is slidably connected to the arc-shaped mounting strip (6), and the top end of the tension connecting rod (12) passes through the bottom end of the arc-shaped mounting strip (6) and is fixed to the magnetic metal strip (11).

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