Coal body cutting device

Abstract

The utility model discloses a coal body cutting device which comprises a support, a cutting knife and a knife feeding device for driving the cutting knife to move up and down are arranged on the support, and a plurality of supporting legs are arranged at the bottom of the support. The cutter feeding device comprises a cutter feeding frame which can move up and down and is arranged on the support, the cutter is arranged on the cutter feeding frame, a plurality of guide rods are arranged on the cutter feeding frame, guide sleeves matched with the guide rods are arranged on the support, screw rods parallel to the guide rods are fixedly arranged on the cutter feeding frame, and the screw rods are fixedly connected with the cutter feeding frame. And a screw sleeve and a first driving device for driving the screw sleeve to rotate are arranged on the bracket and matched with the screw rod. The whole support can be erected on the upper side of large coal briquettes, the coal briquettes are cut through vertical movement of the cutting knife, the trouble of moving the coal briquettes to a cutting platform is omitted, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of coal body processing tools, in particular to a coal body cutting device. Background Art

[0002] The main equipment used for cutting and dividing coal is a cutting machine. Commonly used cutting machines are equipped with a cutting platform. When using them, large pieces of coal need to be moved to the cutting platform as a whole. However, large pieces of coal are heavy and not easy to move and transport. Therefore, a cutting method that does not require the overall movement of the coal is needed. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a coal body cutting device, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a coal cutting device, including a bracket, a cutting knife and a knife feeding device for driving the cutting knife to move up and down are arranged on the bracket, and a plurality of legs are arranged at the bottom of the bracket; the knife feeding device includes a knife feed frame arranged on the bracket and can be moved up and down, the cutting knife is arranged on the knife feed frame, and a plurality of guide rods are arranged on the knife feed frame, and a guide sleeve is arranged on the bracket to match the guide rod, and a screw rod parallel to the guide rod is fixedly arranged on the knife feed frame, and a screw sleeve and a first driving device for driving the screw sleeve to rotate are arranged on the bracket to match the screw rod.

[0005] Furthermore, a movable plate and a lateral adjustment device for driving the movable plate to move lateraly are arranged on the bracket, and the tool feed holder is arranged on the movable plate so as to be movable up and down.

[0006] Furthermore, the lateral adjustment device includes a gear arranged on one side of the movable plate and a second driving device for driving the gear to rotate, a rack is arranged on the bracket to match the gear, sliding sleeves are arranged on both sides of the movable plate, and T-shaped grooves are arranged on the sliding sleeves to match the two sides of the bracket.

[0007] Furthermore, a rotating sleeve is provided on the sliding sleeve, rotating shafts are provided on both sides of the movable plate to cooperate with the rotating sleeves, and an angle adjustment device for driving the rotating shaft to rotate is provided on the sliding sleeve.

[0008] Furthermore, the angle adjustment device includes a worm arranged on the sliding sleeve and a third driving device for driving the worm to rotate, and a worm wheel is arranged at the outer end of the rotating shaft, and the worm wheel cooperates with the worm wheel.

[0009] Furthermore, rollers are provided at the bottom of the legs.

[0010] The above technical solution of the utility model has the following beneficial effects: the utility model can place the entire support on the upper side of a large coal block, and cut the coal block by moving the cutting knife up and down, thus eliminating the trouble of moving the coal block to the cutting platform and facilitating operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a plan view of an embodiment of the utility model;

[0012] Figure 2 It is a plan view of the angle adjustment device according to an embodiment of the utility model. DETAILED DESCRIPTION

[0013] The following is a detailed description of the preferred implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0014] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0015] like Figure 1-2As shown, a coal cutting device of this embodiment includes a bracket 1, on which a cutting knife 2 and a knife feeding device for driving the cutting knife 2 to move up and down are arranged, and a plurality of legs 3 are arranged at the bottom of the bracket 1; the knife feeding device includes a knife feeding frame 4 which can be moved up and down and arranged on the bracket 1, the cutting knife 2 is arranged on the knife feeding frame 4, and a plurality of guide rods 5 are arranged on the knife feeding frame 4, and a guide sleeve 6 is arranged on the bracket 1 to match the guide rod 5, and a screw rod 7 parallel to the guide rod 5 is fixedly arranged on the knife feeding frame 4, and a screw sleeve 8 and a first driving device 9 for driving the screw sleeve 8 to rotate are arranged on the bracket 1 to match the screw 7; when in use, the bracket 1 is moved to the upper side of a large piece of coal, and then the first driving device 9 is driven to rotate. The first driving device 9 drives the screw sleeve 8 to rotate, the screw sleeve 8 is threadedly connected with the screw rod 7, the screw sleeve 8, the screw rod 7, the guide rod 5 and the guide sleeve 6 form a screw mechanism, the screw sleeve 8 rotates to drive the feed frame 4 to move up and down, so that the first driving device 9 can drive the feed frame 4 to move downward to perform the knife feeding action; the trouble of moving the coal block to the cutting platform is eliminated, and the operation is convenient, wherein the first driving device 9 is a motor, and the outer side of the screw sleeve 8 is provided with a tooth pattern, and the motor drives the screw sleeve 8 to rotate through a gear; preferably, a roller 30 is provided at the bottom of the leg 3 to facilitate the movement of the bracket 1; in this embodiment, the cutting knife 2 can be driven to rotate by the motor arranged on the feed frame 4;

[0016] Preferably, the bracket 1 is provided with a movable plate 10 and a lateral adjustment device for driving the movable plate 10 to move lateraly, the feed frame 4 is arranged on the movable plate 10 so as to be movable up and down, and the lateral adjustment device lateraly adjusts the movable plate 10, which can drive the feed frame 4 to move lateraly, thereby lateraly adjusting the lower knife position;

[0017] Preferably, the lateral adjustment device includes a gear 11 arranged on one side of the movable plate 10 and a second driving device 12 driving the gear 11 to rotate, a rack 13 is arranged on the bracket 1 to match the gear 11, sleeves 14 are arranged on both sides of the movable plate 10, and T-shaped slots 15 matching with both sides of the bracket 1 are arranged on the sleeve 14, and the second driving device 12 is a servo motor, and the second driving device 12 drives the gear 11 to rotate, and the gear 11 matches with the rack 13 on the bracket 1 to drive the movable plate 10 and the sleeve 14 to move laterally along the rack 13; in this embodiment, the gear 11 includes a driving gear arranged on the output shaft of the servo motor and a transmission gear arranged on the sleeve 14. Since there is a distance between the servo motor and the rack 13, the radius of the required gear can be reduced through two gear transmissions, thereby reducing the occupied space;

[0018] Preferably, a rotating sleeve 16 is provided on the sliding sleeve 14, and rotating shafts 17 are provided on both sides of the movable plate 10 to cooperate with the rotating sleeves 16. An angle adjustment device for driving the rotating shaft 17 to rotate is provided on the sliding sleeve 14. The angle adjustment device can drive the movable plate 10 to rotate, so that the angle of the lower knife can be adjusted. The angle can be adjusted in combination with the lateral adjustment device, so that the coal blocks can be cut at multiple positions and angles, which is convenient and practical.

[0019] Preferably, the angle adjustment device includes a worm 18 arranged on the sleeve 14 and a third drive device 19 for driving the worm 18 to rotate. A worm wheel 20 is arranged at the outer end of the rotating shaft 17. The worm wheel 20 cooperates with the worm 18. The third drive device 19 is a servo motor. The servo motor drives the worm 18 to rotate. The worm 18 drives the turbine 20 to rotate, which can drive the rotating shaft 17 and the movable plate 10 to rotate, thereby adjusting the angle of the feed holder 4 and thus adjusting the feed angle.

[0020] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A coal cutting device, characterized in that: The invention comprises a bracket, on which a cutting knife and a knife feeding device for driving the cutting knife to move up and down are arranged, and a plurality of legs are arranged at the bottom of the bracket; the knife feeding device comprises a knife feed frame which can be moved up and down and is arranged on the bracket, the cutting knife is arranged on the knife feed frame, and a plurality of guide rods are arranged on the knife feed frame, and a guide sleeve is arranged on the bracket to match the guide rod, a screw rod parallel to the guide rod is fixedly arranged on the knife feed frame, and a screw sleeve and a first driving device for driving the screw sleeve to rotate are arranged on the bracket to match the screw rod.

2. A coal cutting device according to claim 1, characterized in that: The bracket is provided with a moving plate and a lateral adjustment device for driving the moving plate to move lateraly, and the tool feed frame is arranged on the moving plate so as to be movable up and down.

3. A coal cutting device according to claim 2, characterized in that: The lateral adjustment device includes a gear arranged on one side of the movable plate and a second driving device for driving the gear to rotate. A rack is arranged on the bracket to match the gear. Slide sleeves are arranged on both sides of the movable plate. The slide sleeves are provided with T-shaped grooves that match the two sides of the bracket.

4. A coal cutting device according to claim 3, characterized in that: The sliding sleeve is provided with a rotating sleeve, and rotating shafts are provided on both sides of the movable plate to cooperate with the rotating sleeves, and an angle adjustment device for driving the rotating shaft to rotate is provided on the sliding sleeve.

5. A coal cutting device according to claim 4, characterized in that: The angle adjustment device comprises a worm arranged on the sliding sleeve and a third driving device for driving the worm to rotate. A worm wheel is arranged at the outer end of the rotating shaft, and the worm wheel cooperates with the worm wheel.

6. The coal cutting device according to claim 1, characterized in that: Rollers are arranged at the bottom of the legs.

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