CN115106591B

CN115106591B - Pipe cutting machine

Info

Publication number: CN115106591B
Application number: CN202211036517.7A
Authority: CN
Inventors: 张国辉; 刘宗武; 王启玲; 张爱军; 张家福; 夏青; 宋本腾; 张飞龙
Original assignee: China State Construction Technology Jinan Co Ltd
Current assignee: China State Construction Technology Jinan Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-25
Anticipated expiration: 2042-08-29
Also published as: CN115106591A; CN115648311A

Abstract

The invention provides a pipe cutting machine, and belongs to the field of pipe cutting machine equipment. The technical scheme is as follows: comprises a workbench, a cutting mechanism and a receiving mechanism; the containing mechanism comprises a base, and a conveying mechanism, a guide mechanism and a plurality of containing boxes are arranged on the base; the base comprises a bottom plate and a sector plate, wherein a rotating shaft A is arranged on the bottom plate, and the rotating shaft A is provided with a conveying mechanism and a guide mechanism; the guide mechanism comprises a vertical rod and a plurality of guide parts arranged on the vertical rod; a plurality of vertical rods are provided with first T-shaped sliding chutes; the guide part comprises a first sliding block sliding along the first groove, and a guide strip extending out of the first vertical sliding groove and sliding along the first vertical sliding groove is arranged on one side of the first sliding block. The invention has the beneficial effects that: this device simple structure, convenient operation has realized the accurate cutting to different demand length steel pipes, has carried out semi-automatization to the steel pipe after the cutting is accomplished simultaneously and has accomodate, has saved the manpower, has improved work efficiency.

Description

Pipe cutting machine

Technical Field

The invention relates to the field of pipe cutting machine equipment, in particular to a pipe cutting machine.

Background

In the production of template, often need have a large amount of tubular products of specific length, consequently need cut tubular product, use the tubular product cutting machine to come to process tubular product usually, but the tubular product cutting machine among the prior art cuts the back to tubular product, need rely on the manual work to accomodate and arrange the tubular product that cuts completely, whole process is wasted time and energy, has certain danger moreover, for example tubular product is easily by the burr fish tail of tubular product at the in-process hand of artifical collection etc..

Therefore, it is very necessary to provide a device which can save manpower and replace manual work to a certain extent to effectively store the cut pipes in the using process.

Disclosure of Invention

The invention aims to provide a pipe cutting machine which is simple to operate and convenient to store cut pipes.

The invention is realized by the following measures:

the pipe cutting machine is characterized by comprising a workbench, a cutting mechanism arranged on the workbench and a containing mechanism arranged at a discharge port of the workbench;

the containing mechanism comprises a base, and a conveying mechanism, a guide mechanism and a plurality of containing boxes are arranged on the base;

the base comprises a bottom plate, a sector plate parallel to the bottom plate is fixedly arranged on the bottom plate through a plurality of upright posts, a rotating shaft A is arranged on the bottom plate, the periphery of the rotating shaft A, which is higher than the sector plate, is provided with the conveying mechanism through a first bearing, and the periphery of the rotating shaft A, which is below the sector plate, is provided with the guide mechanism through a second bearing;

the guide mechanism comprises a plurality of vertical rods which are uniformly distributed along the outer ring of the second bearing and a plurality of guide parts which are arranged on the vertical rods;

a plurality of vertical rods are provided with first T-shaped sliding grooves, each first T-shaped sliding groove comprises a first groove formed in the upper surface of each vertical rod, and the side surface, far away from the second bearing, of each vertical rod is provided with a first vertical sliding groove penetrating through the first groove;

the guide part comprises a first sliding block sliding along the first groove, and a guide strip extending out of the first vertical sliding groove and sliding along the first vertical sliding groove is arranged on one side of the first sliding block.

The invention is also characterized in that:

the conveying mechanism comprises a plurality of fixing blocks which are uniformly distributed along the first bearing and correspond to the vertical rods, a second T-shaped sliding groove which is identical in structure to the first T-shaped sliding groove and is matched with the first T-shaped sliding groove is formed in the lower surface of the fixing block, a pair of parallel plates is arranged on one side, away from the second bearing, of the fixing block, clamping grooves are formed in the two sides of the parallel plates, the clamping grooves rotate and slide along the upper surface of the fan-shaped plate, the width of each clamping groove is matched with the width of a steel pipe, so that the steel pipe can slide along the inner portion of the clamping groove, and the guide strips are inserted into the steel pipe to play a limiting role so as to enable the steel pipe to stably fall into the containing box along the clamping grooves;

the arc plates are matched with the clamping grooves and can prevent the steel pipes from being thrown out when the clamping grooves rotate.

The containing box is movably arranged on the bottom plate close to one side edge of the sector plate, when the steel pipe slides into the clamping groove, the steel pipe rotates for a certain angle, such as 120 degrees, along with the rotation of the conveying mechanism, so that the clamping groove just aligns with a box opening of the containing box after being separated from one side edge of the sector plate, and the steel pipe in the clamping groove can freely fall into the containing box at the moment;

the containing box comprises a box body with an upper bottom surface and a lower bottom surface which are both provided with openings, the containing box is close to one side surface of the guide mechanism and is provided with a third vertical sliding groove which is communicated with the containing box and matched with the guide strip, and in the falling process of the steel pipe, the guide strip can fall into the containing box along with the steel pipe along the third vertical sliding groove.

The central angle of the sector plate is 240 degrees;

the number of the corresponding clamping grooves is three, and the included angle between every two clamping grooves is 120 degrees;

the number of the corresponding vertical rods is three, and the included angle between every two vertical rods is 120 degrees;

during the operation, one clamping groove is positioned in the middle position of the sector plate, and the other two clamping grooves are just separated from the sector plate and positioned close to the side edges of the sector plate;

the middle part position of sector plate be provided with press from both sides the complex rectangular hole that link up of groove, be provided with belt transport mechanism in the rectangular hole, belt transport mechanism is including setting up a pair of belt pulley of sector plate lower surface, the sector plate lower surface be provided with one side belt pulley complex fifth motor, it is a pair of be provided with the matched with belt between the belt pulley, the upside of belt is in the rectangular hole and with sector plate upper surface parallel and level, the belt is used for right the transmission of steel pipe makes the steel pipe gets into smoothly press from both sides the inslot, and insert on the gib block.

The lower surface of the bottom plate is provided with an installation plate, a stepping motor is arranged on the installation plate, and the lower end of the rotating shaft A is arranged at the output end of the stepping motor;

the periphery of the rotating shaft A is provided with a three-tooth external spline A with uniformly distributed teeth, the periphery of the rotating shaft A is provided with a sliding sleeve, the inner circular surface of the sliding sleeve is provided with a three-tooth internal spline A matched with the three-tooth external spline A, and the outer circular surface of the sliding sleeve is provided with a three-tooth external spline B;

the outer ring side faces of the first bearing and the second bearing which are opposite are respectively fixedly provided with a fixed sleeve, and the inner circular face of the fixed sleeve is provided with a three-tooth internal spline B which is matched with the three-tooth external spline B;

being close to both sides fixed sleeve the pivot A periphery all is provided with locking mechanism, locking mechanism is including setting up a plurality of round holes according to radial distribution in the pivot A, be provided with the slip post in the round hole, the slip post orientation the free end in the round hole outside is fixed and is provided with the ball, the ball with between the round hole bottom the slip post periphery is provided with the spring, the fixed setting of one end of spring is in the round hole bottom, the other end of spring is fixed to be set up on the ball, be provided with on the interior disc of slip sleeve with ball complex arc recess, the last half setting of ball is in the arc recess, hard slide the slip sleeve, it is corresponding the ball can be extruded in the round hole.

Three areas of the sliding sleeve divided by the three-tooth external spline B are uniformly provided with jacks in a radial distribution manner;

the novel multi-functional sliding mechanism is characterized in that a pair of first sliding grooves are arranged on the bottom plate in parallel, a fan-shaped block sliding along the first sliding grooves is arranged on the bottom plate, the central angle of the fan-shaped block is set to be 120 degrees, a through vertical groove is formed in the middle of the fan-shaped block, fourth vertical sliding grooves are formed in two side faces of the inner portion of the vertical groove, a second sliding block is arranged in the fourth vertical sliding groove and penetrates through the first through hole, a sliding rod is arranged at one end of the sliding rod and is arranged in the corresponding inserting hole, a handle is arranged at the other end of the sliding rod and is pulled to realize the up-and-down sliding of the sliding sleeve, namely the switching of linkage between the rotating shaft A and the guide mechanism and the conveying mechanism is realized, and the switching of control of the guide mechanism and the conveying mechanism by the stepping motor is also realized.

The lower surfaces of the vertical rods are provided with second through holes penetrating through the first grooves, and the corresponding bottom plates are provided with third through holes matched with the second through holes;

be provided with electric telescopic handle A on the mounting panel, electric telescopic handle A's free end passes support behind third through-hole and corresponding behind the second through-hole on corresponding the guide part first slider, electric telescopic handle A can upwards push up the guide part for the upper portion the guide part slides in corresponding in the second T shape spout.

The workbench comprises a rectangular frame and a plurality of supporting legs arranged at the lower part of the rectangular frame;

one side edge of the rectangular frame along the length direction is lower than the other side edge, second sliding grooves are formed in the two side edges of the rectangular frame along the length direction, and a plurality of clamping mechanisms are arranged along the two second sliding grooves in a matched mode;

the clamping mechanism comprises a short sliding plate and a long sliding plate which are respectively arranged in the second sliding grooves on two sides, a pair of connecting rods is arranged between the short sliding plate and the long sliding plate in parallel, an electric telescopic rod B is arranged on the long sliding plate above the connecting rods, a clamping block A sliding along the pair of connecting rods is arranged at the free end of the electric telescopic rod B, a first circular tube is arranged on the short sliding plate, a second circular tube is sleeved in the first circular tube in a sliding mode, and a clamping block B sliding along the pair of connecting rods and matched with the clamping block A is arranged at the free end of the second circular tube;

a rack A extending to the long sliding plate is arranged on the lower side of the clamping block A, a rack B extending to the long sliding plate is arranged on the lower side of the clamping block B, a rotating shaft B is arranged between the connecting rods on two sides, and a gear A meshed with the rack A and the rack B is arranged on the periphery of the rotating shaft B;

and a pair of fourth through holes for the rack A and the rack B to pass through are respectively formed in corresponding positions of the long sliding plate, when the electric telescopic rod B is started, the clamping block A slides forwards along the connecting rod, meanwhile, the rack A drives the gear A to rotate, the gear A drives the rack B to slide, and the rack B drives the clamping block B to slide towards the clamping block A until the steel pipe is clamped tightly.

A pushing mechanism is arranged at the front end of the rectangular frame close to the containing mechanism;

the pushing mechanism comprises a supporting plate, a third sliding groove is formed in the supporting plate, a screw rod A is rotationally arranged in the third sliding groove, external threads which are rotationally symmetrical are respectively arranged on two sides of the periphery of the screw rod A along the middle section of the screw rod A, screw rod sliding blocks are arranged on the external threads on the two sides, and a rotating handle is arranged after one end of the screw rod A penetrates through the supporting plate;

the screw rod sliding blocks on two sides are provided with rotating shafts C, the free ends of the rotating shafts C are provided with rolling shafts, and rubber friction layers are arranged on the peripheries of the rolling shafts;

a fixed plate is arranged on the lead screw sliding block on one side, a first motor is arranged on the fixed plate, a bevel gear A is arranged at the output end of the first motor, a rotating shaft D is arranged on the fixed plate on the side away from the first motor, a gear B is arranged on the periphery of the rotating shaft D, a bevel gear B meshed with the bevel gear A is arranged on the periphery of the free end of the rotating shaft D, which is higher than the gear B, and a gear C meshed with the gear B is arranged on the periphery of the rotating shaft C provided with the fixed plate;

a through chute is arranged on one side, close to the containing mechanism, of the supporting plate, a baffle is arranged in the through chute in a sliding mode, a rack C is arranged on one side of the baffle, a transition gear set matched with the rack C is arranged on the lower surface of the supporting plate, a rotating shaft E is arranged on the supporting plate on one side of the transition gear set through a support, a gear D meshed with the transition gear set is arranged at one end of the rotating shaft E, a gear E is arranged at the other end of the rotating shaft E, a gear F is arranged on the periphery of the screw rod A between the supporting plate and the rotating handle, a chain matched with the gear F is arranged between the gear E and the gear F, when the rotating handle is rotated in work, the screw rod sliding blocks on two sides can slide towards two sides, the baffle is lifted up to limit the steel pipe to facilitate cutting, and when the rotating handle is rotated, the screw rod sliding blocks on two sides simultaneously slide towards the middle to clamp the steel pipe, the upper side edge of the baffle just slides to a position flush with the upper surface of the supporting plate, so that the steel pipe can be conveyed to the containing mechanism;

the cutting mechanism comprises fourth sliding grooves formed in two supporting legs on one side of the rectangular frame, third sliding blocks are arranged in the fourth sliding grooves on two sides, a limiting guide rod and a lead screw B are arranged between the third sliding blocks on the two sides, the lead screw B is arranged in a rotating mode, a second motor is arranged on the third sliding block on one side, and one end of the lead screw B is arranged at the output end of the second motor;

the periphery of the limiting guide rod and the periphery of the lead screw B are provided with moving blocks which are matched with each other, the upper end of each moving block is provided with a horizontal plate extending to the rectangular frame, the horizontal plate is provided with a third motor and circular sawteeth matched with the third motor, and in addition, the cutting mechanism is also provided with a protective shell matched with the circular sawteeth, a transmission system and other related parts, and the cutting mechanism is applied to the prior art and is not repeated herein;

a fifth sliding groove is formed in one side face, facing the rectangular frame, of the moving block, a bearing plate is arranged in the fifth sliding groove in a sliding mode and used for bearing the steel pipe, vertical plates sliding along the second sliding groove are arranged on two sides of the lower surface of the bearing plate, a through notch matched with the circular saw teeth is formed in the bearing plate, the positions of the circular saw teeth can be adjusted according to the length of the steel pipe to be cut, and the bearing plate can move along with the circular saw teeth during adjustment;

the workbench is characterized in that a fourth motor and a matched screw rod C are arranged on one side of the workbench through a fixing support, the screw rod C penetrates through one side of the workbench through thread fit, the screw rod C is driven by the fourth motor to rotate, the circular saw teeth can move up and down, and the steel pipe is cut.

The working principle is as follows:

1. debugging; firstly, the working angle of the stepping motor is set to be 120 degrees, the position of the clamping groove is parallel and level to the position of the steel pipe clamped by the workbench, the steel pipe can smoothly enter the clamping groove, one side of the vertical rod is adjusted to be just positioned under the clamping groove, the guide part is enabled to be completely positioned above the electric telescopic rod A in the first T-shaped sliding groove of the vertical rod, then the sliding sleeve is combined with the fixed sleeve on the first bearing, and then the electric telescopic rod A is started, so that the guide part at the top is positioned in the second T-shaped sliding groove.

2. The work is as follows:

firstly, placing a steel pipe to be cut on the workbench, abutting against the baffle, and then clamping by using the clamping mechanism;

secondly, starting the stepping motor to enable the conveying mechanism to rotate, and enabling the clamping groove above the electric telescopic rod A to rotate 120 degrees at the moment to reach the position above the belt;

thirdly, adjusting the position of the circular saw teeth through the second motor according to the length requirement of the steel pipe to be cut, starting the circular saw teeth to rotate through the third motor, then moving the circular saw teeth downwards through the fourth motor for cutting, and lifting the circular saw teeth after cutting;

fourthly, rotating the rotating handle to enable the rolling shafts on the two sides to move towards the middle to clamp the cut steel pipe, enabling the baffle plate to move downwards, starting the first motor after the steel pipe is clamped, enabling the rolling shafts on the corresponding sides to rotate, driving the steel pipe to move towards the clamping groove, starting the fifth motor at the moment, enabling the belt to rotate, and enabling the steel pipe to continue to move forwards until the steel pipe is inserted onto the guide strip after the steel pipe reaches the belt;

fifthly, starting the stepping motor to enable the conveying mechanism to rotate 120 degrees, enabling the clamping groove with the steel pipe to be located right above the containing box, enabling the steel pipe to fall into the containing box together with the guide part under the action of gravity, repeating the steps until the steel pipe in the containing box is full, and enabling all the guide parts to fall into the containing box;

sixthly, removing the containing box filled with the steel pipes, sliding the sector block, inserting the sliding rod into the insertion hole of the sliding sleeve, pulling the handle to enable the sliding sleeve to be combined with the fixed sleeve on the second bearing, sliding the sector block, starting the stepping motor to enable the guide mechanism to rotate 120 degrees, enabling the vertical rod filled with the guide part to rotate above the electric telescopic rod A, and finally placing the empty containing box to a position to be contained to perform a new round of operation.

The beneficial effects of the invention are as follows: this device simple structure, convenient operation has realized the accurate cutting to different demand length steel pipes, has carried out semi-automatization to the steel pipe after the cutting is accomplished simultaneously and has accomodate, has saved the manpower, has improved work efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of components on the workbench in the embodiment of the invention.

Fig. 3 is a schematic diagram showing the right side of fig. 2.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is a schematic structural view showing the bottom surface of fig. 2.

Fig. 6 is a schematic structural diagram of a base in an embodiment of the invention.

Fig. 7 is a schematic structural diagram of a conveying mechanism in an embodiment of the invention.

Fig. 8 is a schematic structural diagram of a guide mechanism in an embodiment of the present invention.

Fig. 9 is a schematic structural view of a sliding sleeve according to an embodiment of the present invention.

Fig. 10 is a schematic view showing the bottom surface of fig. 6.

Fig. 11 is a schematic view of the internal structure of the locking mechanism in the embodiment of the present invention.

Fig. 12 is a schematic structural view showing the bottom surface of fig. 8.

Fig. 13 is a schematic structural diagram of a segment in an embodiment of the present invention.

Fig. 14 is a schematic structural view of a guide portion in an embodiment of the present invention.

Fig. 15 is a schematic structural view of a storage box according to an embodiment of the present invention.

Fig. 16 is a schematic structural diagram of the rotating shaft a and related accessory parts in the embodiment of the present invention.

Fig. 17 is a schematic structural view of a clamping mechanism in an embodiment of the present invention.

Wherein the reference numbers are: 1. a work table; 2. a clamping mechanism; 3. a cutting mechanism; 4. a pushing mechanism; 5. a base; 6. a transport mechanism; 7. a guide mechanism; 8. a guide portion; 9. a sector block; 10. a storage box; 11. a circular arc plate; 12. supporting legs; 13. a rectangular frame; 14. a second chute; 15. circular saw teeth; 16. a carrier plate; 17. a moving block; 18. a third chute; 19. a baffle plate; 20. a screw rod C; 21. a fourth motor; 22. rotating the handle; 23. a support plate; 24. a fourth chute; 25. a third slider; 26. a second motor; 27. a screw mandrel B; 28. a limiting guide rod; 29. a rack C; 30. a roller; 31. a rotating shaft C; 32. a screw rod slide block; 33. a screw rod A; 34. a bevel gear B; 35. a bevel gear A; 36. a first motor; 37. a fixing plate; 38. a rotating shaft D; 39. a rotating shaft E; 40. a chain; 41. a gear E; 42. a gear F; 43. a gear C; 44. a gear D; 45. a transition gear set; 46. a three-tooth external spline B; 47. a first bearing; 48. a belt; 49. a rectangular hole; 50. a sector plate; 51. a sliding sleeve; 52. a base plate; 53. a rotating shaft A; 54. a third through hole; 55. a second bearing; 56. a three-tooth external spline A; 57. a three-tooth internal spline B; 58. a first chute; 59. a clamping groove; 60. a second T-shaped chute; 61. a fixed block; 62. a first T-shaped chute; 63. a vertical rod; 64. a jack; 65. a three-tooth internal spline A; 66. an arc-shaped groove; 67. a fifth motor; 68. a stepping motor; 69. an electric telescopic rod A; 70. a ball; 71. a sliding post; 72. a spring; 73. a circular hole; 74. a second through hole; 75. a short slide plate; 76. a handle; 77. a fourth vertical chute; 78. a slide bar; 79. a second slider; 80. a first slider; 81. a guide strip; 82. a third vertical chute; 83. fixing the sleeve; 84. a first circular tube; 85. a second circular tube; 86. a clamping block B; 87. a connecting rod; 88. a clamping block A; 89. a rack A; 90. an electric telescopic rod B; 91. a long slide plate; 92. a gear A; 93. a rack B; 94. a fourth via hole; 95. a fifth chute; 401. and a gear B.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-17, a pipe cutting machine comprises a worktable 1, a cutting mechanism 3 arranged on the worktable 1, and a receiving mechanism arranged at a discharge port of the worktable 1;

the containing mechanism comprises a base 5, and a conveying mechanism 6, a guide mechanism 7 and a plurality of containing boxes 10 are arranged on the base 5;

the base 5 comprises a bottom plate 52, a sector plate 50 parallel to the bottom plate 52 is fixedly arranged on the bottom plate 52 through a plurality of upright posts, a rotating shaft A53 is arranged on the bottom plate 52, the periphery of the rotating shaft A53, which is higher than the sector plate 50, is provided with a conveying mechanism 6 through a first bearing 47, and the periphery of the rotating shaft A53 below the sector plate 50 is provided with a guide mechanism 7 through a second bearing 55;

the guide mechanism 7 comprises a plurality of vertical rods 63 uniformly distributed along the outer ring of the second bearing 55 and a plurality of guide parts 8 arranged on the vertical rods 63;

a plurality of vertical rods 63 are provided with first T-shaped sliding chutes 62, each first T-shaped sliding chute 62 comprises a first groove formed in the upper surface of each vertical rod 63, and the side surface, far away from the second bearing 55, of each vertical rod 63 is provided with a first vertical sliding chute penetrating through each first groove;

the guide part 8 comprises a first sliding block 80 sliding along the first groove, and a guide strip 81 extending out of and sliding along the first vertical sliding groove is arranged on one side of the first sliding block 80.

The conveying mechanism 6 comprises a plurality of fixing blocks 61 which are uniformly distributed along the first bearing 47 and correspond to the plurality of vertical rods 63, the lower surface of each fixing block 61 is provided with a second T-shaped sliding groove 60 which has the same structure as the first T-shaped sliding groove 62 and is matched with the first T-shaped sliding groove, one side of each fixing block 61, which is far away from the second bearing 55, is provided with a pair of parallel plates, clamping grooves 59 are formed in the parallel plates on the two sides, the clamping grooves 59 rotationally slide along the upper surface of the sector plate 50, the width of each clamping groove 59 is matched with the width of a steel pipe, so that the steel pipe can slide along the inside of the clamping groove 59, and the guide strips 81 are inserted into the steel pipe to play a limiting role so as to enable the steel pipe to stably fall into the containing box 10 along the clamping grooves 59;

the arc plate 11 matched with the clamping groove 59 is arranged on the sector plate 50, and the arc plate 11 can prevent the steel pipe from being thrown out when the clamping groove 59 rotates.

The containing box 10 is movably arranged on the bottom plate 52 close to one side edge of the sector plate 50, when the steel pipe slides into the clamping groove 59, the clamping groove 59 just aligns with the box opening of the containing box 10 after just separating from one side edge of the sector plate 50 along with the rotation of the transmission mechanism 6 by a certain angle, for example, 120 degrees, and the steel pipe in the clamping groove 59 can freely fall into the containing box 10;

the containing box 10 comprises a box body with an upper bottom surface and a lower bottom surface which are both provided with openings, a third vertical sliding groove 82 which is communicated with the containing box 10 and is matched with the guide strip 81 is arranged on the side surface of one side, close to the guide mechanism 7, of the containing box 10, and in the falling process of the steel pipe, the guide strip 81 can fall into the containing box 10 along with the steel pipe along the third vertical sliding groove 82.

The central angle of the sector plate 50 is 240 degrees;

the number of the corresponding clamping grooves 59 is three, and the included angle between every two clamping grooves 59 is 120 degrees;

the number of the corresponding vertical rods 63 is three, and the included angle between every two vertical rods 63 is 120 degrees;

during operation, one clamping groove 59 is positioned at the middle position of the sector plate 50, and the other two clamping grooves 59 are just separated from the sector plate 50 and positioned close to the side edges of the sector plate 50;

the middle position of the sector plate 50 is provided with a through rectangular hole 49 matched with the clamping groove 59, a belt transmission mechanism is arranged in the rectangular hole 49 and comprises a pair of belt pulleys arranged on the lower surface of the sector plate 50, the lower surface of the sector plate 50 is provided with a fifth motor 67 matched with a belt pulley on one side, a matched belt 48 is arranged between the pair of belt pulleys, the upper side of the belt 48 is positioned in the rectangular hole 49 and is flush with the upper surface of the sector plate 50, and the belt 48 is used for transmitting a steel pipe, so that the steel pipe smoothly enters the clamping groove 59 and is inserted into the guide strip 81.

The lower surface of the bottom plate 52 is provided with a mounting plate, a stepping motor 68 is arranged on the mounting plate, and the lower end of the rotating shaft A53 is arranged on the output end of the stepping motor 68;

the periphery of the rotating shaft A53 is provided with a three-tooth external spline A56 with uniformly distributed teeth, the periphery of the rotating shaft A53 is provided with a sliding sleeve 51, the inner circular surface of the sliding sleeve 51 is provided with a three-tooth internal spline A65 matched with the three-tooth external spline A56, and the outer circular surface of the sliding sleeve 51 is provided with a three-tooth external spline B46;

a fixed sleeve 83 is fixedly arranged on the outer ring side face of each of the first bearing 47 and the second bearing 55, and a three-tooth internal spline B57 matched with the three-tooth external spline B46 is arranged on the inner circular face of the fixed sleeve 83;

the locking mechanism is arranged on the periphery of the rotating shaft A53 close to the fixing sleeves 83 on the two sides and comprises a plurality of circular holes 73 which are arranged on the rotating shaft A53 and distributed in the radial direction, sliding columns 71 are arranged in the circular holes 73, a ball 70 is fixedly arranged at the free end, facing the outer side of the circular hole 73, of each sliding column 71, a spring 72 is arranged on the periphery of the sliding column 71 between the ball 70 and the bottom of the circular hole 73, one end of each spring 72 is fixedly arranged at the bottom of the circular hole 73, the other end of each spring 72 is fixedly arranged on the corresponding ball 70, an arc-shaped groove 66 matched with the ball 70 is formed in the inner circular surface of the sliding sleeve 51, the upper half of the ball 70 is arranged in the arc-shaped groove 66, and the corresponding ball 70 can be extruded into the circular hole 73 when the sliding sleeve 51 is slid forcefully.

Three areas of the sliding sleeve 51 divided by the three-tooth external spline B46 are uniformly provided with jacks 64 in radial distribution;

the bottom plate 52 is provided with a pair of first sliding grooves 58 in parallel, the bottom plate 52 is provided with a sector 9 sliding along the pair of first sliding grooves 58, the central angle of the sector 9 is set to 120 degrees, the middle part of the sector 9 is provided with a through vertical groove, two side surfaces inside the vertical groove are provided with fourth vertical sliding grooves 77, the fourth vertical sliding grooves 77 on two sides are provided with second sliding blocks 79, the second sliding blocks 79 are provided with first through holes, a sliding rod 78 penetrates through the first through holes, one end of the sliding rod 78 is arranged in the corresponding insertion hole 64, the other end of the sliding rod 78 is provided with a handle 76, and the pull handle 76 can realize the up-and-down sliding of the sliding sleeve 51, i.e. the linkage conversion between the rotating shaft A53 and the guide mechanism 7 and the transmission mechanism 6 is realized, i.e. the control conversion of the stepping motor 68 to the guide mechanism 7 and the transmission mechanism 6 is realized.

The lower surfaces of the vertical rods 63 are provided with second through holes 74 penetrating through the first grooves, and the corresponding bottom plates 52 are provided with third through holes 54 matched with the second through holes 74;

the mounting plate is provided with an electric telescopic rod A69, the free end of the electric telescopic rod A69 passes through the third through hole 54 and the corresponding second through hole 74 and then abuts against the first sliding block 80 of the corresponding guide part 8, and the electric telescopic rod A69 can push the guide part 8 upwards, so that the uppermost guide part 8 slides into the corresponding second T-shaped sliding groove 60.

The workbench 1 comprises a rectangular frame 13 and a plurality of supporting legs 12 arranged at the lower part of the rectangular frame 13;

one side edge of the rectangular frame 13 along the length direction is lower than the other side edge, the two side edges of the rectangular frame 13 along the length direction are both provided with second sliding chutes 14, and a plurality of clamping mechanisms 2 are arranged along the second sliding chutes 14 on the two sides in a matching manner;

the clamping mechanism 2 comprises a short sliding plate 75 and a long sliding plate 91 which are respectively arranged in the second sliding grooves 14 on the two sides, a pair of connecting rods 87 is arranged between the short sliding plate 75 and the long sliding plate 91 in parallel, an electric telescopic rod B90 is arranged on the long sliding plate 91 above the connecting rods 87, clamping blocks A88 sliding along the pair of connecting rods 87 are arranged at the free end of the electric telescopic rod B90, a first circular tube 84 is arranged on the short sliding plate 75, a second circular tube 85 is sleeved in the first circular tube 84 in a sliding mode, and a clamping block B86 sliding along the pair of connecting rods 87 and matched with the clamping blocks A88 is arranged at the free end of the second circular tube 85;

a rack A89 extending to the long sliding plate 91 is arranged on the lower side of the clamping block A88, a rack B93 extending to the long sliding plate 91 is arranged on the lower side of the clamping block B86, a rotating shaft B is arranged between the connecting rods 87 on the two sides, and a gear A92 meshed with the rack A89 and the rack B93 is arranged on the periphery of the rotating shaft B;

a pair of fourth through holes 94 for the racks A89 and B93 to pass through are respectively formed in corresponding positions of the long sliding plate 91, when the electric telescopic rod B90 is started, the clamping block A88 slides forwards along the connecting rod 87, meanwhile, the racks A89 drive the gear A92 to rotate, the gear A92 drives the rack B93 to slide, and the rack B93 drives the clamping block B86 to slide towards the direction of the clamping block A88 until the steel pipe is clamped tightly.

The rectangular frame 13 is provided with a pushing mechanism 4 close to the front end of the containing mechanism;

the pushing mechanism 4 comprises a supporting plate 23, a third sliding groove 18 is formed in the supporting plate 23, a screw rod A33 is rotatably arranged in the third sliding groove 18, external threads which are symmetrical in a rotating direction are respectively arranged on two sides of the periphery of the screw rod A33 along the section of the middle of the screw rod A33, screw rod sliding blocks 32 are arranged on the external threads on the two sides, and a rotating handle 22 is arranged after one end of the screw rod A33 penetrates through the supporting plate 23;

the screw rod sliding blocks 32 on the two sides are provided with rotating shafts C31, the free ends of the rotating shafts C31 are provided with rolling shafts 30, and rubber friction layers are arranged on the peripheries of the rolling shafts 30;

a fixing plate 37 is arranged on the screw rod sliding block 32 at one side, a first motor 36 is arranged on the fixing plate 37, a bevel gear A35 is arranged at the output end of the first motor 36, a rotating shaft D38 is arranged on the fixing plate 37 at one side far away from the first motor 36, a gear B401 is arranged on the periphery of the rotating shaft D38, a bevel gear B34 meshed with the bevel gear A35 is arranged on the periphery of the free end of the rotating shaft D38 higher than the gear B401, and a gear C43 meshed with the gear B401 is arranged on the periphery of a rotating shaft C31 provided with the fixing plate 37;

a through chute is arranged on one side, close to the containing mechanism, of the supporting plate 23, a baffle plate 19 is arranged in the through chute in a sliding manner, a rack C29 is arranged on one side of the baffle plate 19, a transition gear set 45 matched with the rack C29 is arranged on the lower surface of the supporting plate 23, a rotating shaft E39 is arranged on the supporting plate 23 on one side of the transition gear set 45 through a support, a gear D44 meshed with the transition gear set 45 is arranged at one end of the rotating shaft E39, a gear E41 is arranged at the other end of the rotating shaft E39, a gear F42 is arranged on the periphery of a screw rod A33 between the supporting plate 23 and the rotating handle 22, and a matched chain 40 is arranged between the gear E41 and the gear F42;

the cutting mechanism 3 comprises fourth sliding grooves 24 arranged on two supporting legs 12 on one side of the rectangular frame 13, third sliding blocks 25 are arranged in the fourth sliding grooves 24 on two sides, a limiting guide rod 28 and a lead screw B27 are arranged between the third sliding blocks 25 on two sides, the lead screw B27 is arranged in a rotating mode, a second motor 26 is arranged on the third sliding block 25 on one side, and one end of the lead screw B27 is arranged at the output end of the second motor 26;

a matched moving block 17 is arranged on the peripheries of the limiting guide rod 28 and the lead screw B27, a horizontal plate extending to the rectangular frame 13 is arranged at the upper end of the moving block 17, a third motor and circular saw teeth 15 matched with the third motor are arranged on the horizontal plate, and a protective shell matched with the circular saw teeth 15, a transmission system and other related components are further arranged on the horizontal plate, so that the cutting mechanism is applied to the prior art and is not described any more here;

a fifth sliding groove 95 is formed in the side face, facing the rectangular frame 13, of the moving block 17, a bearing plate 16 is arranged in the fifth sliding groove 95 in a sliding mode, the bearing plate 16 is used for bearing steel pipes, vertical plates sliding along the second sliding groove 14 are arranged on two sides of the lower surface of the bearing plate 16, a through gap matched with the circular saw teeth 15 is formed in the bearing plate 16, the position of the circular saw teeth 15 can be adjusted according to the length of the steel pipes to be cut, and the bearing plate 16 can move along with the circular saw teeth 15 during adjustment;

the fourth motor 21 and the matched screw rod C20 are arranged on one side of the workbench 1 through the fixing support, the screw rod C20 penetrates through the third sliding block 25 on one side through thread matching, the screw rod C20 is driven to rotate through the fourth motor 21, the up-and-down movement of the circular saw teeth 15 can be achieved, and the steel pipe can be cut.

The working principle is as follows:

1. debugging; firstly, the working angle of the stepping motor 68 is set to be 120 degrees, the position of the clamping groove 59 is enabled to be flush with the position of a steel pipe clamped by the workbench 1, the steel pipe can smoothly enter the clamping groove 59, the vertical rod 63 on one side is adjusted to be just below the clamping groove 59, the guide part 8 is enabled to be completely positioned in the first T-shaped sliding groove 62 of the vertical rod 63 above the electric telescopic rod A69, then the sliding sleeve 51 is combined with the fixed sleeve 83 on the first bearing 47, then the electric telescopic rod A69 is started, and the guide part 8 on the top is enabled to be positioned in the second T-shaped sliding groove 60.

2. The work is as follows:

firstly, placing a steel pipe to be cut on a workbench 1, abutting against a baffle 19, and then clamping by using a clamping mechanism 2;

secondly, the stepping motor 68 is started to rotate the conveying mechanism 6, and at the moment, the clamping groove 59 above the electric telescopic rod A69 rotates 120 degrees to reach the position above the belt 48;

thirdly, adjusting the position of the circular saw teeth 15 through a second motor 26 according to the length requirement of the steel pipe to be cut, starting the circular saw teeth 15 to rotate through a third motor, downwards moving the circular saw teeth 15 to cut through a fourth motor 21, and lifting the circular saw teeth 15 after the cutting is finished;

fourthly, rotating the rotating handle 22 to enable the rollers 30 at the two sides to move towards the middle to clamp the cut steel pipe, meanwhile, moving the baffle 19 downwards, after the steel pipe is clamped, starting the first motor 36 to enable the rollers 30 at the corresponding sides to rotate to drive the steel pipe to move towards the clamping groove 59, starting the fifth motor 67 to enable the belt 48 to rotate, and after the steel pipe reaches the belt 48, continuing to move forwards until the steel pipe is inserted onto the guide strip 81;

fifthly, starting the stepping motor 68 to rotate the conveying mechanism 6 by 120 degrees, wherein the clamping groove 59 with the steel pipe is just above the containing box 10, the steel pipe falls into the containing box 10 together with the guide part 8 under the action of gravity, and repeating the steps until the steel pipe in the containing box 10 is full, and all the guide parts 8 also fall into the containing box 10;

sixthly, the containing box 10 filled with steel pipes is removed, then the sector 9 is slid, the slide rod 78 is inserted into the insertion hole 64 of the slide sleeve 51, then the handle 76 is pulled, the slide sleeve 51 is combined with the fixed sleeve 83 on the second bearing 55, then the sector 9 is slid off, then the stepping motor 68 is started, the guide mechanism 7 is rotated by 120 degrees, so that the vertical rod 63 filled with the guide part 8 is rotated above the electric telescopic rod A69, and finally the empty containing box 10 is placed at the position to be contained, and a new round of operation is carried out.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The pipe cutting machine is characterized by comprising a workbench (1), a cutting mechanism (3) arranged on the workbench (1) and a receiving mechanism arranged at a discharge port of the workbench (1);

the containing mechanism comprises a base (5), and a conveying mechanism (6), a guide mechanism (7) and a plurality of containing boxes (10) are arranged on the base (5);

the base (5) comprises a bottom plate (52), a sector plate (50) parallel to the bottom plate (52) is fixedly arranged on the bottom plate (52) through a plurality of upright posts, a rotating shaft A (53) is arranged on the bottom plate (52), the periphery of the rotating shaft A (53) which is higher than the sector plate (50) is provided with the conveying mechanism (6) through a first bearing (47), and the periphery of the rotating shaft A (53) below the sector plate (50) is provided with the guide mechanism (7) through a second bearing (55);

the guide mechanism (7) comprises a plurality of vertical rods (63) which are uniformly distributed along the outer ring of the second bearing (55) and a plurality of guide parts (8) which are arranged on the vertical rods (63);

a plurality of vertical rods (63) are respectively provided with a first T-shaped sliding groove (62), each first T-shaped sliding groove (62) comprises a first groove formed in the upper surface of each vertical rod (63), and the side surface, far away from the second bearing (55), of each vertical rod (63) is provided with a first vertical sliding groove penetrating through each first groove;

the guide part (8) comprises a first sliding block (80) sliding along the first groove, and a guide strip (81) extending out of the first vertical sliding groove and sliding along the first vertical sliding groove is arranged on one side of the first sliding block (80);

the conveying mechanism (6) comprises a plurality of fixing blocks (61) which are uniformly distributed along the first bearing (47) and correspond to the vertical rods (63), second T-shaped sliding grooves (60) which are identical in structure with the first T-shaped sliding grooves (62) and are matched with the first T-shaped sliding grooves are formed in the lower surfaces of the fixing blocks (61), a pair of parallel plates are arranged on one side, away from the second bearing (55), of each fixing block (61), and clamping grooves (59) are formed in the parallel plates on the two sides;

the sector plate (50) is provided with an arc plate (11) matched with the clamping groove (59);

the containing box (10) is movably arranged on the bottom plate (52) close to one side edge of the sector plate (50);

the containing box (10) comprises a box body with an upper bottom surface and a lower bottom surface which are provided with openings, and a third vertical sliding groove (82) which is communicated and matched with the guide strip (81) is arranged on the side surface of one side of the containing box (10) close to the guide mechanism (7);

the lower surface of the bottom plate (52) is provided with a mounting plate, a stepping motor (68) is arranged on the mounting plate, and the lower end of the rotating shaft A (53) is arranged at the output end of the stepping motor (68);

the periphery of the rotating shaft A (53) is provided with a three-tooth external spline A (56) with uniformly distributed teeth, the periphery of the rotating shaft A (53) is provided with a sliding sleeve (51), the inner circular surface of the sliding sleeve (51) is provided with a three-tooth internal spline A (65) matched with the three-tooth external spline A (56), and the outer circular surface of the sliding sleeve (51) is provided with a three-tooth external spline B (46);

the outer ring side faces of the first bearing (47) and the second bearing (55) opposite to each other are fixedly provided with fixed sleeves (83), and the inner circular face of each fixed sleeve (83) is provided with a three-tooth internal spline B (57) matched with the three-tooth external spline B (46);

the locking mechanism is arranged on the periphery of the rotating shaft A (53) close to the fixing sleeves (83) on the two sides and comprises a plurality of circular holes (73) which are arranged on the rotating shaft A (53) and distributed in the radial direction, sliding columns (71) are arranged in the circular holes (73), round balls (70) are fixedly arranged at the free ends of the sliding columns (71) facing the outer sides of the circular holes (73), springs (72) are arranged on the periphery of the sliding columns (71) between the round balls (70) and the bottoms of the circular holes (73), arc-shaped grooves (66) matched with the round balls (70) are formed in the inner circular surface of the sliding sleeve (51), and the upper half parts of the round balls (70) are arranged in the arc-shaped grooves (66).

2. The pipe cutting machine according to claim 1, characterized in that the central angle of the sector plate (50) is 240 degrees;

the number of the corresponding clamping grooves (59) is three, and the included angle between every two clamping grooves (59) is 120 degrees;

the number of the corresponding vertical rods (63) is three, and the included angle between every two vertical rods (63) is 120 degrees;

the middle position of sector plate (50) be provided with press from both sides groove (59) complex through rectangular hole (49), be provided with belt transport mechanism in rectangular hole (49), belt transport mechanism is including setting up a pair of belt pulley of sector plate (50) lower surface, sector plate (50) lower surface be provided with one side belt pulley complex fifth motor (67), it is a pair of be provided with matched with belt (48) between the belt pulley, the upside of belt (48) be in rectangular hole (49) and with sector plate (50) upper surface parallel and level.

3. The pipe cutting machine according to claim 2, characterized in that the sliding sleeve (51) is provided with the insertion holes (64) uniformly and radially distributed in three regions divided by the three-tooth external spline B (46);

a pair of first sliding grooves (58) are arranged on the bottom plate (52) in parallel, a fan-shaped block (9) sliding along the pair of first sliding grooves (58) is arranged on the bottom plate (52), the central angle of the fan-shaped block (9) is set to be 120 degrees, a through vertical groove is arranged in the middle of the fan-shaped block (9), fourth vertical sliding grooves (77) are arranged on two side surfaces in the vertical groove, second sliding blocks (79) are arranged in the fourth vertical sliding grooves (77) on the two sides, first through holes are formed in the second sliding blocks (79), sliding rods (78) penetrate through the first through holes, one ends of the sliding rods (78) are arranged in the corresponding insertion holes (64), and handles (76) are arranged at the other ends of the sliding rods (78).

4. The pipe cutting machine according to claim 3, characterized in that the lower surface of each vertical rod (63) is provided with a second through hole (74) which penetrates to the first groove, and the corresponding bottom plate (52) is provided with a third through hole (54) which is matched with the second through hole (74);

be provided with electric telescopic handle A (69) on the mounting panel, electric telescopic handle A (69)'s free end passes third through-hole (54) and corresponding support behind second through-hole (74) corresponding on first slider (80) of guide part (8).