Chamfering equipment for cutting tooth machining of coal mining machine and operation method of chamfering equipment

Abstract

The invention belongs to the technical field of cutting tooth machining, and particularly relates to chamfering equipment for cutting tooth machining of a coal mining machine and an operation method of the chamfering equipment. Comprising a machine body, a three-jaw chuck and a mounting seat are arranged in an inner cavity of the machine body, a moving seat is arranged on the mounting seat, a tool apron is fixedly connected to the top of the moving seat, a turning tool is fixedly connected to the tool apron, a cutting plate is arranged at the top of the turning tool, a mounting frame is fixedly connected to the top of the tool apron, and a top plate is fixedly connected to one side of the top of the mounting frame. An air cylinder is fixedly installed at the top of the top plate, and the output end of the air cylinder extends to the position below the top plate and is fixedly connected with a lifting plate. The cutting plate is arranged on the surface of the turning tool to be matched with the air cylinder, the positioning plate, the cutter and the like, so that after the turning tool is wound by strip-shaped cuttings, the air cylinder can drive the positioning plate and the cutter to rapidly slide downwards to be matched with the cutting plate, the strip-shaped cuttings are cut off and become short cuttings, and then the short cuttings are washed away in time through cooling liquid sprayed by the spraying assembly to prevent winding.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of pick processing, in particular to a chamfering device for processing coal cutter picks and an operation method thereof. BACKGROUND

[0002] The coal cutter pick is a core cutting component assembled on the drum of the coal cutter, belongs to the category of mine mechanical cutters, is usually composed of a hard alloy cutter head and an alloy steel cutter body by welding or mechanical connection, can be divided into radial picks and tangential picks according to the installation mode, and can be divided into coal mining picks and tunneling picks according to the use; the tail part of the pick body is a mounting positioning part, which needs to be inserted into the tooth seat during use; in order to avoid scratching the inner wall of the tooth seat during assembly, ensure the uniformity of the matching gap between the pick and the tooth seat, improve the assembly stability, prevent the pick from loosening and swinging during the coal mining operation, the tail part of the pick body usually needs to be chamfered during the pick processing procedure.

[0003] In the prior art, the pick body generally adopts medium-high strength alloy steel, which has good plasticity and toughness, and during the chamfering process, the metal will be plastically deformed to form continuous band-shaped chips, if these band-shaped chips cannot be removed in time, they will be wound on the turning tool, which not only affects the cutting stability of the turning tool, destroys the flatness of the chamfer of the pick body, but also damages the coating on the surface of the turning tool, causes the base material layer of the turning tool to directly contact the high-temperature chips, causes bonding wear, in addition, if the chips are wound too tightly, the operator needs to stop the machine for cleaning, which greatly affects the processing progress.

[0004] Therefore, the present application provides a chamfering device for processing coal cutter picks and an operation method thereof. SUMMARY

[0005] In order to make up for the deficiencies of the prior art and solve the problems mentioned in the background, the present application provides a chamfering device for processing coal cutter picks and an operation method thereof.

[0006] The technical solution applicable to solving the technical problem of this invention is as follows: A chamfering device for processing cutting teeth in a coal mining machine, comprising a machine body, a three-jaw chuck and a mounting base disposed within the inner cavity of the machine body, a movable base disposed on the mounting base, a tool holder fixedly connected to the top of the movable base, a turning tool fixedly connected to the tool holder, a chip plate disposed on the top of the turning tool, a mounting frame fixedly connected to the top of the tool holder, a top plate fixedly connected to one side of the top of the mounting frame, a cylinder fixedly mounted on the top of the top plate, the output end of the cylinder extending to the bottom of the top plate and fixedly connected to a lifting plate, limit rods fixedly connected to both sides of the top of the lifting plate, the limit rods penetrating and slidably connected to the top plate, a mounting plate disposed below the lifting plate, a positioning plate disposed below the mounting plate, the positioning plate being fixedly connected to the mounting plate via a pair of connecting plates, a cutting blade fixedly connected to the bottom of the positioning plate, shearing components disposed on both sides of the positioning plate, a reciprocating drive assembly disposed between the lifting plate and the mounting plate, and jetting components disposed on both sides of the bottom of the mounting plate.

[0007] Preferably, the chip plate is attached to the top of the cutting tool, the top of the chip plate is provided with a positioning groove, the bottom of the positioning groove is provided with a cutting groove, the positioning groove is adapted to the positioning plate, the cutting groove is adapted to the cutting tool, and chip removal grooves are evenly provided on both sides of the chip plate, the chip removal grooves are connected to the positioning grooves, and the chip removal grooves are inclined.

[0008] Preferably, the shearing assembly includes a first fixing plate and a first cutting tool. The first fixing plate is evenly fixed to both sides of the positioning plate, and a plurality of first cutting tools are fixed to the bottom of the first fixing plate. The second fixing plate is evenly embedded in both sides of the bottom of the positioning groove, and a plurality of second cutting tools are fixed to the top of the second fixing plate. The first cutting tool and the second cutting tool are compatible with each other.

[0009] Preferably, the reciprocating drive assembly includes a motor and a reciprocating lead screw. The motor is fixedly mounted on the bottom of the lifting plate, and the output end of the motor is fixedly connected to the reciprocating lead screw. A bracket is fixedly mounted on the bottom of the lifting plate, and the reciprocating lead screw is rotatably connected to the bracket. A slider is fixedly mounted on the top of the mounting plate. The slider is sleeved on the reciprocating lead screw through a built-in lead screw nut, and the slider is threadedly engaged with the spiral groove on the reciprocating lead screw through the lead screw nut. The rotation of the reciprocating lead screw can drive the slider to reciprocate. Support blocks are fixedly mounted on both sides of the top of the mounting plate, and brackets are fixedly mounted on both sides of the bottom of the lifting plate. Support rods are fixedly mounted on brackets, and the support blocks are slidably connected to the support rods.

[0010] Preferably, the spray assembly includes spray pipes and nozzles. Spray pipes are rotatably connected to both sides of the bottom of the mounting plate, and nozzles are evenly installed at the bottom of the spray pipes. A water pump is fixedly installed on one side of the top of the mounting plate. The water pump is connected to a water supply device through a water suction pipe. The water pump is connected to the two spray pipes through two water inlet pipes respectively. One end of the water inlet pipe is fixedly connected to the water pump, and the other end of the water inlet pipe is rotatably connected to the spray pipe through a sealed bearing.

[0011] Preferably, an inverted U-shaped frame is fixedly connected to the top of the mounting plate on the side away from the water pump. A second motor is fixedly installed on the inverted U-shaped frame. A first spur gear is fixedly connected to the output end of the second motor. A second spur gear is fixedly connected to the end of each of the two jet pipes away from the water pump. One of the second spur gears meshes with the first spur gear, and the two second spur gears mesh with each other.

[0012] Preferably, arc-shaped frames are uniformly fixed to both sides of the bottom of the mounting plate, and arc-shaped grooves are symmetrically opened on the arc-shaped frames. Guide rods are fixed to both sides of the outer wall of the nozzle, and the guide rods are slidably connected to the arc-shaped grooves. The end of the guide rod away from the nozzle extends to the outside of the arc-shaped frame and is fixedly connected to a fixing sleeve. A T-shaped rod is slidably connected to the inner cavity of one of the fixing sleeves. The top end of the T-shaped rod extends to the top of the fixing sleeve and is fixedly connected to a mounting block. A spring is fixedly connected between the T-shaped rod and the inner wall of the fixing sleeve. A contact switch is slidably connected to the inner cavity of the mounting block. One end of the contact switch extends to the outside of the mounting block. A spring is fixedly connected between the contact switch and the inner wall of the mounting block. A guide groove is opened on one side of the outer wall of the arc-shaped frame. The contact switch is slidably connected to the guide groove. A contact switch is fixedly connected in the guide groove. The contact switch and the contact switch are compatible. A solenoid valve is fixedly installed on the nozzle.

[0013] Preferably, the guide groove is composed of an upper arc groove, a lower arc groove, a vertical groove and an inclined groove, and the contact switch is located in the upper arc groove and the inclined groove.

[0014] Preferably, the end of the contact switch away from the inclined groove has an inclined surface.

[0015] A method for operating a chamfering device for processing coal mining machine cutting teeth, applicable to the aforementioned chamfering device for processing coal mining machine cutting teeth, comprising the following steps:

[0016] S1: During the chamfering process, the operator controls the cylinder to move the lifting plate downwards, so that the mounting plate and the positioning plate move downwards together until the positioning plate is in contact with the chip plate, completing the initial cutting of the strip chip by the cutter.

[0017] S2: After the cutter and the groove are in contact, the reciprocating screw is driven by motor one to rotate, so that the mounting plate makes reciprocating linear motion under the cooperation of the slider and the support block, and then the positioning plate carries the first cutter to make linear reciprocating motion, which, together with the second cutter, achieves further cutting of the chips.

[0018] S3: While completing the chip cutting, start the water pump and motor two. Motor two, in conjunction with spur gear one and spur gear two, drives the two spray pipes to rotate forward and reverse, so that the nozzles, in conjunction with contact switch one, contact switch two and solenoid valve, complete the unidirectional spraying operation.

[0019] The beneficial effects of this invention are as follows:

[0020] 1. The chamfering device and its operating method for processing cutting teeth of a coal mining machine, as described in this invention, involves setting a chip plate on the surface of the cutting tool, along with a cylinder, a positioning plate, and a cutting blade. When the cutting tool is entangled in strip-shaped chips, the cylinder drives the positioning plate and the cutting blade to slide down rapidly and engage with the chip plate, cutting the strip-shaped chips into short chips. A reciprocating drive assembly, after the cutting blade slides down and engages with the chip plate, drives the mounting plate to perform a linear reciprocating motion. This causes the positioning plate to drive the shearing assembly to further break the strip-shaped chips. Finally, the coolant sprayed by the spraying assembly promptly washes away the short chips, preventing entanglement.

[0021] 2. The chamfering device and its operating method for processing cutting teeth of a coal mining machine described in this invention, through the motor two cooperating with spur gear one and spur gear two to drive two spray pipes to rotate forward and reverse, so that the nozzle, with the cooperation of contact switch one, contact switch two and solenoid valve, can not only ensure that the chips on the cutting tool and the chip plate are flushed away, but also avoid the problem of the chips being flushed back when the nozzle is reset. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a perspective view of the present invention;

[0024] Figure 2 This is a schematic diagram of the mounting base of the present invention;

[0025] Figure 3 This is a schematic diagram of the tool holder of the present invention;

[0026] Figure 4 This is a schematic diagram of the chipping plate of the present invention;

[0027] Figure 5 yes Figure 4 Enlarged view of a portion of point A in the middle;

[0028] Figure 6 This is a schematic diagram of the mounting bracket of the present invention;

[0029] Figure 7 This is a schematic diagram of the mounting plate of the present invention;

[0030] Figure 8 yes Figure 7 Enlarged view of a section at point B in the middle;

[0031] Figure 9 yes Figure 7 Enlarged view of a section at point C;

[0032] Figure 10 This is a schematic diagram of the nozzle of the present invention;

[0033] Figure 11 yes Figure 10 Enlarged view of a section at point D;

[0034] Figure 12 This is an exploded view of the arc-shaped frame of the present invention.

[0035] In the diagram: 1. Machine body; 2. Three-jaw chuck; 3. Mounting base; 4. Moving base; 5. Tool holder; 6. Lathe tool; 7. Mounting bracket; 8. Top plate; 9. Cylinder; 10. Lifting plate; 11. Limit rod; 12. Bracket 1; 13. Motor 1; 14. Reciprocating screw; 15. Bracket 2; 16. Support rod; 17. Mounting plate; 18. Slider; 19. Support block; 20. Connecting plate; 21. Positioning plate; 22. Cutting blade; 23. Fixing plate 1; 24. Tool 1; 25. Chip plate; 26. Positioning groove; 27. Chip removal. 28. Groove; 29. ​​Fixing plate two; 30. Cutting tool two; 31. Spray pipe; 32. Water pump; 33. Water suction pipe; 34. Water inlet pipe; 35. Nozzle; 36. Inverted U-shaped frame; 37. Motor two; 38. Spur gear one; 39. Spur gear two; 40. Arc frame; 41. Arc groove; 42. Guide groove; 43. Contact switch one; 44. Solenoid valve; 45. Guide rod; 46. Fixing sleeve; 47. Spring one; 48. T-shaped rod; 49. Mounting block; 50. Spring two; 51. Contact switch two. Detailed Implementation

[0036] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0037] like Figures 1-12As shown in the embodiment of the present invention, a chamfering device for processing cutting teeth of a coal mining machine includes a body 1. A three-jaw chuck 2 and a mounting base 3 are disposed within the inner cavity of the body 1. A movable base 4 is disposed on the mounting base 3. A tool holder 5 is fixedly connected to the top of the movable base 4. A turning tool 6 is fixedly connected to the tool holder 5. A chip plate 25 is provided on the top of the turning tool 6. A mounting frame 7 is fixedly connected to the top of the tool holder 5. A top plate 8 is fixedly connected to one side of the top of the mounting frame 7. A cylinder 9 is fixedly mounted on the top of the top plate 8. The output end of the cylinder 9 extends to the bottom of the top plate 8 and is fixedly connected to... A lifting plate 10 is provided, with limit rods 11 fixedly connected to both sides of the top of the lifting plate 10. The limit rods 11 penetrate and slide through the top plate 8. A mounting plate 17 is provided below the lifting plate 10, and a positioning plate 21 is provided below the mounting plate 17. The positioning plate 21 is fixedly connected to the mounting plate 17 through a pair of connecting plates 20. A cutter 22 is fixedly connected to the bottom of the positioning plate 21. Shearing components are provided on both sides of the positioning plate 21. A reciprocating drive component is provided between the lifting plate 10 and the mounting plate 17. A spraying component is provided on both sides of the bottom of the mounting plate 17.

[0038] This application takes into account that the cutting tool body is generally made of medium-to-high strength alloy steel. This type of material has good plasticity and toughness. During the chamfering process, the metal will undergo plastic deformation, forming continuous ribbon-like chips. If these ribbon-like chips are not removed in time, they will wrap around the cutting tool 6, which will not only affect the cutting stability of the cutting tool 6 and damage the flatness of the chamfer of the cutting tool body, but also damage the coating on the surface of the cutting tool 6, causing the base material layer of the cutting tool 6 to come into direct contact with the high-temperature chips, resulting in adhesive wear. In addition, if the chips are wrapped too tightly, the operator needs to stop the machine for cleaning, which greatly affects the machining progress. To address this issue, this application provides a chip plate 25 on the surface of the cutting tool 6, along with a cylinder 9, a positioning plate 21, and a cutter 22. When the cutting tool 6 is entangled in strip-shaped chips, the cylinder 9 drives the positioning plate 21 and the cutter 22 to slide down rapidly and engage with the chip plate 25, cutting the strip-shaped chips into short chips. A reciprocating drive assembly, after the cutter 22 slides down and engages with the chip plate 25, drives the mounting plate 17 to perform a linear reciprocating motion. This causes the positioning plate 21 to drive the shearing assembly to further break the strip-shaped chips. Finally, the coolant sprayed by the spray assembly promptly washes away the short chips, preventing entanglement.

[0039] During operation, the operator first uses the three-jaw chuck 2 to fix the cutting tooth, and then rotates the cutting tooth by rotating the three-jaw chuck 2. After that, the operator controls the moving seat 4 to drive the cutting tool 6 to feed into the cutting tooth, and then retracts the cutting tool after completing the chamfering operation. During this process, if strip-shaped chips become entangled around the cutting tool 6, the operator starts the cylinder 9, which drives the lifting plate 10 to move slowly downward, so that the mounting plate 17 and the positioning plate 21 move downward together until the positioning plate 21 is in contact with the chip plate 25. Because the chip plate 25 is in contact with the cutting tool 6, the strip-shaped chips also become entangled on the surface of the chip plate 25, so that the cutter 22 can initially cut the strip-shaped chips. Then, the reciprocating drive assembly drives the mounting plate 17 to make linear reciprocating motion, so that the positioning plate 21 also makes linear reciprocating motion. This allows the shearing assembly to further cut the strip-shaped chips while making linear reciprocating motion, causing the strip-shaped chips to become short chips, which are then easily washed away by the spraying assembly.

[0040] It should be noted that the three-jaw chuck 2 on the machine body 1 can rotate after fixing the cutting teeth, and the moving seat 4 can drive the cutting tool 6 to complete the feeding and retraction functions. These are all existing technologies, so this application has not described them in detail.

[0041] The chip plate 25 is attached to the top of the cutting tool 6. The top of the chip plate 25 is provided with a positioning groove 26, and the bottom of the positioning groove 26 is provided with a cutting groove 28. The positioning groove 26 is adapted to the positioning plate 21, and the cutting groove 28 is adapted to the cutting tool 22. Chip removal grooves 27 are evenly provided on both sides of the chip plate 25. The chip removal grooves 27 are connected to the positioning grooves 26, and the chip removal grooves 27 are inclined.

[0042] The shearing assembly includes a fixing plate 23 and a cutting tool 24. The fixing plate 23 is evenly fixed to both sides of the positioning plate 21. Multiple cutting tools 24 are fixed to the bottom of the fixing plate 23. The fixing plate 29 is evenly embedded on both sides of the bottom of the positioning groove 26. Multiple cutting tools 30 are fixed to the top of the fixing plate 29. The cutting tools 24 and the cutting tools 30 are compatible with each other.

[0043] The reciprocating drive assembly includes a motor 13 and a reciprocating screw 14. The motor 13 is fixedly installed at the bottom of the lifting plate 10, and the reciprocating screw 14 is fixedly connected to the output end of the motor 13. A bracket 12 is fixedly connected to the bottom of the lifting plate 10, and the reciprocating screw 14 is rotatably connected to the bracket 12. A slider 18 is fixedly connected to the top of the mounting plate 17. The slider 18 is sleeved on the reciprocating screw 14 through a built-in screw nut, and the slider 18 is threadedly engaged with the spiral groove on the reciprocating screw 14 through the screw nut. The rotation of the reciprocating screw 14 can drive the slider 18 to reciprocate. Support blocks 19 are fixedly connected to both sides of the top of the mounting plate 17, and brackets 15 are fixedly connected to both sides of the bottom of the lifting plate 10. Support rods 16 are fixedly connected to the brackets 15, and the support blocks 19 are slidably connected to the support rods 16.

[0044] During operation, when the cutter 22 is indirectly driven by the cylinder 9 and comes into contact with the groove 28 on the chip plate 25, the positioning plate 21 comes into contact with the positioning groove 26 on the chip plate 25. The first cutter 24 and the second cutter 30 are not in contact. Then, the motor 13 starts and drives the reciprocating screw 14 to rotate, so that the slider 18 makes linear reciprocating motion under the sliding constraint of the support block 19 and the support rod 16. This causes the mounting plate 17 to make linear reciprocating motion as well. The positioning plate 21 drives the first cutter 24 to move toward the adjacent second cutter 30. After the first cutter 24 comes into contact with the second cutter 30, a shearing action is generated. Through the shearing action of the first cutter 24 and the second cutter 30, the strip chips can be further sheared, avoiding the situation where the cutter 22 does not cut completely.

[0045] It should be further explained that after the positioning plate 21 is attached to the positioning groove 26, the positioning plate 21 can press the strip-shaped chips on the surface of the chip plate 25 into the positioning groove 26, so as to facilitate the subsequent cutting by the first tool 24 and the second tool 30. In addition, when the positioning plate 21 starts to move linearly back and forth, the cutter 22 moves accordingly, which can further cut the strip-shaped chips pressed in the cutting groove 28, avoiding incomplete cutting during the initial cutting. The chip discharge groove 27 provided on the chip plate 25 facilitates the spraying assembly to flush the chips away from the chip discharge groove 27.

[0046] The spray assembly includes spray pipes 31 and nozzles 35. Spray pipes 31 are rotatably connected to both sides of the bottom of the mounting plate 17. Nozzles 35 are evenly installed on the bottom of the spray pipes 31. A water pump 32 is fixedly installed on one side of the top of the mounting plate 17. The water pump 32 is connected to a water supply device through a water suction pipe 33. The water pump 32 is connected to the two spray pipes 31 through two water inlet pipes 34 respectively. One end of the water inlet pipe 34 is fixedly connected to the water pump 32, and the other end of the water inlet pipe 34 is rotatably connected to the spray pipe 31 through a sealed bearing.

[0047] During operation, coolant is drawn from the external water supply equipment by the water pump 32 and the water pipe 33, and then transported to the two spray pipes 31 by the water inlet pipe 34. The multiple nozzles 35 set on the two spray pipes 31 can not only wash away the short chips cut on the chip plate 25, but also cool down the cutting tool 6.

[0048] An inverted U-shaped frame 36 is fixedly connected to the top of the mounting plate 17 on the side away from the water pump 32. A second motor 37 is fixedly installed on the inverted U-shaped frame 36. A first spur gear 38 is fixedly connected to the output end of the second motor 37. A second spur gear 39 is fixedly connected to the end of each of the two jet pipes 31 away from the water pump 32. One of the second spur gears 39 meshes with the first spur gear 38, and the two second spur gears 39 mesh with each other.

[0049] Arc-shaped frames 40 are evenly fixed to both sides of the bottom of the mounting plate 17. Arc-shaped grooves 41 are symmetrically formed on the arc-shaped frames 40. Guide rods 45 are fixed to both sides of the outer wall of the nozzle 35. The guide rods 45 are slidably connected to the arc-shaped grooves 41. One end of the guide rod 45, away from the nozzle 35, extends to the outside of the arc-shaped frame 40 and is fixedly connected to a fixing sleeve 46. A T-shaped rod 48 is slidably connected to the inner cavity of one of the fixing sleeves 46. The top end of the T-shaped rod 48 extends above the fixing sleeve 46 and is fixedly connected to a mounting block 49. The T-shaped rod 48 and the fixing sleeve 49... A spring 47 is fixed between the inner walls of the 6th mounting block 49. A second contact switch 51 is slidably connected in the inner cavity of the mounting block 49. One end of the second contact switch 51 extends to the outside of the mounting block 49. A second spring 50 is fixed between the second contact switch 51 and the inner wall of the mounting block 49. A guide groove 42 is provided on one side of the outer wall of the arc frame 40. The second contact switch 51 is slidably connected to the guide groove 42. A first contact switch 43 is fixedly connected in the guide groove 42. The first contact switch 43 is compatible with the second contact switch 51. A solenoid valve 44 is fixedly installed on the nozzle 35.

[0050] The guide groove 42 is composed of an upper arc groove, a lower arc groove, a vertical groove and an inclined groove, and the contact switch 43 is located in the upper arc groove and the inclined groove;

[0051] The contact switch 43 has an inclined surface at the end away from the inclined groove;

[0052] During operation, when the cutter 22 begins cutting, the water pump 32 simultaneously supplies water to the inlet pipe 34, and the motor 2 37 starts. The motor 2 37 drives the spur gear 1 38 to rotate, causing one of the spur gears 2 39 meshing with spur gear 1 38 to rotate, which in turn causes the other spur gear 2 39 to rotate. Because the two spur gears 2 39 are meshed, the two spray pipes 31 rotate in opposite directions. When the two spray pipes 31 rotate, causing the nozzles 35 on both sides to move away from each other and rotate outwards, the guide rod 45 rotates upwards along the arc-shaped groove 41, and the contact switch 2 51 is activated. Contact switch 2 51 slides up the inclined surface of contact switch 1 43 within the arc groove, solenoid valve 44 opens, and nozzle 35 begins spraying. At this time, spring 2 50 is compressed by contact switch 2 51, and spring 1 47 is in its natural state. Since the arc groove 41 shares the same center with the upper and lower arc grooves, the extension and contraction of spring 1 47 remains stable when contact switch 2 51 slides in the upper arc groove. However, when contact switch 2 51 slides into the inclined groove, the radial direction of the inclined groove changes, causing contact switch 2 51 to drive mounting block 49 and T-shaped rod 48 to compress spring 1. 47. Until contact switch 2 51 slides away from contact switch 1 43 and enters the lower arc groove, contact switch 2 51 is reset by the elastic force of spring 2 50. After entering the lower arc groove, because the radial position of the lower arc groove is fixed again, the extension and contraction of spring 1 47 is stabilized again. Then, motor 2 37 drives spur gear 1 38 to reverse, and the nozzles 35 on the two spray pipes 31 move closer to each other. Contact switch 2 51 rotates downward along the lower arc groove. During this process, because contact switch 2 51 disengages from contact switch 1 43, solenoid valve 44 closes, and nozzle 35 stops spraying until... When contact switch 2 51 slides into the vertical slot, the T-shaped rod 48, under the elastic force of spring 1 47, drives the mounting block 49 to reset, causing contact switch 2 51 to slide from the vertical slot into the upper arc slot. Motor 2 37 then drives spur gear 1 38 to rotate forward again. This process repeats, enabling the nozzle 35 to spray the short chips cut on the chip plate 25 when rotating from the inside out, and to stop spraying when rotating from the outside in. This unidirectional spraying effect not only ensures that the chips on the cutting tool 6 and the chip plate 25 are washed away, but also avoids the problem of the nozzle 35 pushing the chips back when resetting.

[0053] A method for operating a chamfering device for processing coal mining machine cutting teeth, applicable to the aforementioned chamfering device for processing coal mining machine cutting teeth, comprising the following steps:

[0054] S1: During the chamfering operation, the operator controls the cylinder 9 to move the lifting plate 10 downward, so that the mounting plate 17 and the positioning plate 21 move downward together until the positioning plate 21 is in contact with the chip plate 25, thus completing the initial cutting of the strip chip by the cutter 22.

[0055] S2: After the cutter 22 and the groove 28 are in contact, the reciprocating screw 14 is driven to rotate by the motor 13, so that the mounting plate 17 makes reciprocating linear motion under the cooperation of the slider 18 and the support block 19, thereby making the positioning plate 21 carry the first cutter 24 to make linear reciprocating motion, and cooperate with the second cutter 30 to further cut the chips.

[0056] S3: While completing the chip cutting, start the water pump 32 and motor 37. Motor 37, in conjunction with spur gear 38 and spur gear 39, drives the two spray pipes 31 to rotate forward and reverse, so that the nozzle 35 completes the unidirectional spraying operation with the cooperation of contact switch 43, contact switch 51 and solenoid valve 44.

[0057] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0058] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0059] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chamfering apparatus for processing a coal cutter pick, characterised in that: The utility model relates to a cutting machine, including body (1), three jaw chuck (2) and mounting seat (3) are set up in the cavity of body (1), mobile seat (4) is set up on mounting seat (3), the top of mobile seat (4) is fixedly connected with tool holder (5), the top of tool holder (5) is fixedly connected with turning tool (6), the top of turning tool (6) is equipped with chip removal plate (25), the top of tool holder (5) is fixedly connected with mounting bracket (7), the top one side of mounting bracket (7) is fixedly connected with top plate (8), the top of top plate (8) is fixedly installed with pneumatic cylinder (9), the output of pneumatic cylinder (9) extends to the below of top plate (8) and is fixedly connected with lifting plate (10), the top both sides of lifting plate (10) are fixedly connected with limit rod (11), limit rod (11) is penetrated with top plate (8) and is slidably connected, the below of lifting plate (10) is equipped with mounting plate (17), the below of mounting plate (17) is equipped with positioning plate (21), positioning plate (21) is fixedly connected with mounting plate (17) through a pair of connecting plate (20), the bottom of positioning plate (21) is fixedly connected with cutting knife (22), both sides of positioning plate (21) are equipped with shearing assembly, reciprocating drive assembly is equipped between lifting plate (10) and mounting plate (17), the bottom both sides of mounting plate (17) are equipped with jetting assembly.

2. A device for chamfering a pick of a coal mining machine according to claim 1, characterized in that: The top of chip removal plate (25) is attached with turning tool (6), the top of chip removal plate (25) is equipped with positioning groove (26), the bottom of positioning groove (26) is equipped with cutting groove (28), positioning groove (26) is matched with positioning plate (21), cutting groove (28) is matched with cutting knife (22), both sides of chip removal plate (25) are evenly equipped with chip removal groove (27), chip removal groove (27) is communicated with positioning groove (26), and chip removal groove (27) is inclined.

3. A device for chamfering a pick of a coal mining machine according to claim 2, characterized in that: The shearing assembly includes fixed plate one (23) and tool one (24), both sides of positioning plate (21) are evenly fixedly connected with fixed plate one (23), the bottom of fixed plate one (23) is fixedly connected with a plurality of tool one (24), the bottom both sides of positioning groove (26) are evenly embedded with fixed plate two (29), the top of fixed plate two (29) is fixedly connected with a plurality of tool two (30), tool one (24) and tool two (30) are matched.

4. A device for chamfering a pick of a coal mining machine according to claim 3, characterized in that: Said reciprocating drive assembly includes motor one (13) and reciprocating lead screw (14), the bottom of the lifting plate (10) is fixedly installed with motor one (13), the output end of motor one (13) is fixedly connected with reciprocating lead screw (14), the bottom of the lifting plate (10) is fixedly connected with support one (12), reciprocating lead screw (14) is rotatably connected with support one (12), the top of the mounting plate (17) is fixedly connected with sliding block (18), sliding block (18) is sleeved on reciprocating lead screw (14) through the built-in lead screw nut, and sliding block (18) is threadedly connected with the spiral groove on reciprocating lead screw (14) through the lead screw nut, reciprocating lead screw (14) can drive sliding block (18) reciprocating motion, the top of the mounting plate (17) is fixedly connected with support block (19) on both sides, the bottom of the lifting plate (10) is fixedly connected with support two (15) on both sides, support two (15) is fixedly connected with support rod (16), support block (19) and support rod (16) are slidably connected.

5. A device for chamfering a pick of a coal mining machine according to claim 4, characterized in that: Said spray assembly includes spray pipe (31) and spray head (35), both sides of the bottom of the mounting plate (17) are rotatably connected with spray pipe (31), the bottom of the spray pipe (31) is uniformly provided with spray head (35), one side of the top of the mounting plate (17) is fixedly provided with water pump (32), water pump (32) is externally connected with water supply equipment through water suction pipe (33), water pump (32) is communicated with two spray pipes (31) through two water inlet pipes (34), one end of the water inlet pipe (34) is fixedly connected with water pump (32), the other end of the water inlet pipe (34) is rotatably connected with spray pipe (31) through sealing bearing.

6. A device for chamfering a pick of a coal mining machine according to claim 5, characterized in that: The top of the mounting plate (17) is fixedly connected with inverted U-shaped frame (36) away from water pump (32), motor two (37) is fixedly installed on the inverted U-shaped frame (36), the output end of motor two (37) is fixedly connected with spur gear one (38), both ends of two spray pipes (31) away from water pump (32) are fixedly connected with spur gear two (39), one of the spur gear two (39) is meshingly connected with spur gear one (38), two spur gear two (39) are meshingly connected.

7. A device for chamfering a pick of a coal mining machine according to claim 6, characterized in that: The bottom of the mounting plate (17) is uniformly fixed with an arc-shaped frame (40) on both sides, and an arc-shaped groove (41) is symmetrically arranged on the arc-shaped frame (40); the outer wall of the spray head (35) is fixed with a guide rod (45) on both sides, the guide rod (45) is slidably connected with the arc-shaped groove (41), one end of the guide rod (45) away from the spray head (35) extends to the outside of the arc-shaped frame (40) and is fixed with a fixing sleeve (46), a T-shaped rod (48) is slidably connected in the inner cavity of one of the fixing sleeves (46), the top end of the T-shaped rod (48) extends above the fixing sleeve (46) and is fixed with a mounting block (49), a spring (47) is fixed between the T-shaped rod (48) and the inner wall of the fixing sleeve (46), a contact switch (51) is slidably connected in the inner cavity of the mounting block (49), one end of the contact switch (51) extends to the outside of the mounting block (49), a spring (50) is fixed between the contact switch (51) and the inner wall of the mounting block (49), a guide groove (42) is arranged on the outer wall of one side of the arc-shaped frame (40), the contact switch (51) is slidably connected with the guide groove (42), a contact switch (43) is fixed in the guide groove (42), the contact switch (43) is matched with the contact switch (51), and the spray head (35) is fixedly installed with an electromagnetic valve (44).

8. A device for chamfering a pick of a coal mining machine according to claim 7, characterized in that: The guide groove (42) is composed of an upper arc-shaped groove, a lower arc-shaped groove, a vertical groove and an inclined groove, and the contact switch (43) is located in the upper arc-shaped groove and the inclined groove.

9. A device for chamfering a pick of a coal mining machine according to claim 8, characterized in that: The end of the contact switch (43) away from the inclined groove is provided with an inclined surface.

10. A method of operating a chamfering apparatus for processing a coal cutter pick, characterised by: The operation method is suitable for the chamfering equipment for machining the cutting pick of the coal mining machine, and the operation method comprises the following steps: S1: in the chamfering operation process, the worker drives the lifting plate (10) downwardly through the control of the air cylinder (9), so that the mounting plate (17) and the positioning plate (21) move downwardly together until the positioning plate (21) is attached to the chip plate (25), and the preliminary cutting of the cutting tool (22) on the strip-shaped chip is completed; S2: after the cutting tool (22) is attached to the cutting groove (28), the mounting plate (17) is driven to move linearly reciprocatingly under the cooperation of the sliding block (18) and the supporting block (19) through the rotation of the motor (13) driving the reciprocating screw (14), so that the positioning plate (21) moves linearly reciprocatingly with the cutter (24), and the cutter (30) is matched to realize further cutting of the chip; S3: while the cutting of the chip is completed, the water pump (32) and the motor (37) are started, the two spray pipes (31) are driven to rotate forwardly and reversely through the motor (37) cooperating with the spur gear (38) and the spur gear (39), so that the spray head (35) completes the one-way spray operation under the cooperation of the contact switch (43), the contact switch (51) and the electromagnetic valve (44).

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