Bending single-face saw cutting device for casing pipe body sample

Abstract

The utility model discloses a bending-direction single-face saw cutting device for a casing pipe body sample, and belongs to the technical field of steel pipe sample saw cutting equipment. The provided bending-direction single-face saw cutting device for the casing pipe body sample comprises four first supports, four second supports, four third supports, two fourth supports, a fifth support, two sixth supports, two seventh supports, two eighth supports, four wheels, a bottom plate, two axles, two rotating shafts, two saw blades and thirty-two first screws. The device can alternately achieve the purpose of performing single-face sawing on the upper end face of the casing pipe body sample, and has the advantages of being low in manufacturing cost, easy to operate and good in using effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel pipe sample sawing equipment, and particularly relates to a downward single-face sawing device for casing pipe body samples. BACKGROUND

[0002] At present, high-grade oil casings are usually produced by adopting the processes of pipe blank heating, hot rolling perforation, continuous pipe rolling, tension reducing, water quenching and tempering, and pipe end threading, a large amount of residual stress is generated in the process of organization phase change of the casing, which reduces the ultimate use strength of the casing to a certain extent, and causes the casing to fail or even break under a relatively low working strength, which is very serious; the residual stress of the casing body sample is usually detected by adopting ring cutting method, and most enterprises adopt a band saw to perform single-face sawing on the casing body sample, since there is a certain transverse vibration of the saw blade in the sawing process, therefore, the sawing precision of the band saw is not very high, which will directly affect the measurement result of the residual stress of the casing body sample, and therefore, it is necessary to develop a device specially used for performing single-face sawing on the casing body sample.

[0003] Through retrieval, it is found that three patent documents are most related to the utility model technology, and the specific contents are described as follows:

[0004] Patent document CN201720056934.6 discloses a stainless steel pipe sawing machine, which mainly comprises a lower support, a guide rail, a sliding rail, a fixed base, a support, a cylinder, a piston rod, a connecting plate, a clamping block, a moving support, a supporting rod, a roller, a motor base plate, a saw blade, a motor and a handle, the device is novel in design and ingenious in conception, the combined use of the support, the cylinder, the piston rod and the sliding rail can realize clamping of the steel pipe of any length, the combined use of the moving support and the guide rail can realize sawing of the steel pipe of any length, the device has the advantages of simple structure and space saving, but the device is only suitable for sawing the cross section of the steel pipe and is not suitable for single-face sawing of the steel pipe sample.

[0005] Patent document CN201720277885.9 discloses a steel pipe sawing device, which mainly comprises a supporting seat, a clamping saw blade, a chuck, a main shaft, a sawing swing arm, an end cover, a belt pulley, a belt, an axle, an axle fixing seat, a motor, a rotating shaft, an oil cylinder, an oil cylinder fixing seat, a sliding rod, a limiting slide block and a photoelectric switch, the device is novel in design and ingenious in conception, the motor can provide power for the clamping saw blade, the sawing swing arm is raised or lowered by controlling the stretching or contraction of the oil cylinder guide rod, the combined use of the sliding rod, the limiting slide block and the photoelectric switch can realize precise control of the movement track of the sawing swing arm, the parallel arrangement of the main shaft and the rotating shaft can effectively prevent the steel pipe from being cut obliquely, the device has the advantages of good sawing quality and high working efficiency, but the device is only suitable for sawing the cross section of the steel pipe and is not suitable for single-face sawing of the steel pipe sample.

[0006] The utility model discloses a kind of circular sawing machines of simultaneously cutting multiple steel pipes, which mainly include support box, vertical shaft body, horizontal slide bar, clamping block, pneumatic cylinder, piston rod, connecting rod, cutting blade, motor, cylinder and support, the device design novel, ingenious, the cooperation of two pneumatic cylinders can realize the efficient automation of cutting steel pipe, detachable clamping block can realize the quick replacement of corresponding clamping block, to adapt to steel pipe of different diameters, the device can simultaneously cut multiple steel pipes, with good sawing quality, high work efficiency and good damping effect advantage, but the device is only suitable for sawing the cross section of steel pipe, not suitable for single-sided sawing of steel pipe sample. Practical new type content

[0007] In order to overcome one or more of the problems existing in the prior art, the utility model provides a sleeve pipe body sample's downward single-sided sawing device, the utility model is designed based on symmetrical structure, the joint use of bottom plate and second screw can realize the relative arrangement of four first supports, the use of first support can realize the relative arrangement of two eighth supports; The joint use of seventh support and second rolling bearing can realize the rotation of axle, the use of eighth support can realize the rolling of wheel along horizontal direction, thereby realizing the horizontal movement of seventh support; The use of first screw can realize the linkage of fifth support, sixth support and seventh support, and also realize the linkage of third support and fourth support; The joint use of sixth support and first rolling bearing can realize the swing of fourth support, the joint use of third support and first rolling bearing can realize the rotation of rotating shaft; The joint use of rotating shaft and second support can realize the rotation of saw blade, thereby realizing the single-sided sawing of upper end surface of sleeve pipe body sample, therefore, the use effect of the utility model device is relatively better.

[0008] The technical solution adopted by the utility model to solve its technical problems is as follows.

[0009] The sleeve pipe body sample's downward single-sided sawing device provided by the utility model includes four first supports, four second supports, four third supports, two fourth supports, one fifth support, two sixth supports, two seventh supports, two eighth supports, four wheels, a bottom plate, two axles, two rotating shafts, two saw blades, thirty-two first screws, sixteen second screws, eight first rolling bearings and four second rolling bearings.

[0010] The first support is connected by a first body, a first boss and a second boss, the first body, the first boss and the second boss are all cuboid symmetrical structures, the first boss is located on the upper end face of the first body, and the second boss is located on the upper end face of the first boss; the first body is symmetrically provided with four cylindrical first through holes, and the second screw is arranged in the first through hole; a first recess is formed in the left end face of the second boss, and the eighth support is arranged in the first recess;

[0011] The second support is connected by a coaxial second body and a third boss, the second body and the third boss are both cylindrical symmetrical structures, and the third boss is located on the rear end face of the second body; a second through hole is formed in the axis portion of the front end face of the second body, and the rotating shaft is arranged in the second through hole; a first screw hole is formed in the axis portion of the third boss, and the threaded section of the rotating shaft is screwed in the first screw hole, and the first screw hole and the second through hole are coaxially connected;

[0012] The third support is connected by a third body and a fourth boss, the third body and the fourth boss are both cuboid symmetrical structures, and the fourth boss is located on the left end face of the third body; a second recess is formed in the middle portion of the rear end face of the third body, and the first rolling bearing is arranged in the second recess; a third through hole is formed in the axis portion of the second recess, and the third bearing section of the rotating shaft is arranged in the third through hole; the fourth boss is symmetrically provided with four cylindrical fourth through holes, and the first screw is arranged in the fourth through hole;

[0013] The fourth support is connected by a fourth body, two fifth bosses and two first bearing sections, the fourth body and the fifth boss are both cuboid symmetrical structures, the two fifth bosses are oppositely arranged and located on the lower end face of the fourth body, and the two first bearing sections are oppositely arranged and located on the front and rear end faces of the fourth body; the fifth boss is symmetrically provided with four second screw holes, and the first screw is screwed in the second screw hole; the first bearing section is a cylindrical symmetrical structure for arranging the first rolling bearing;

[0014] The fifth support is connected by a fifth body, two sixth bosses and two seventh bosses, the fifth body, the sixth boss and the seventh boss are all cuboid symmetrical structures, two sixth bosses are oppositely arranged and located on the upper end surface of the fifth body, two seventh bosses are oppositely arranged and located on the lower end surface of the fifth body, the sixth boss is symmetrically provided with four third screw holes, the first screw is screwed in the third screw hole, the seventh boss is symmetrically provided with four fourth screw holes, the first screw is screwed in the fourth screw hole.

[0015] The sixth support is connected by two sixth bodies and an eighth boss, the sixth body and the eighth boss are both cuboid symmetrical structures, two sixth bodies are oppositely arranged, and the eighth boss is located between the two sixth bodies, a cylindrical third groove is formed in the middle part of the rear end surface of the sixth body, the first rolling bearing is arranged in the third groove, an axis part of the third groove is provided with a cylindrical fifth through hole, the first bearing segment of the fourth support is arranged in the fifth through hole, the eighth boss is symmetrically provided with four cylindrical sixth through holes, and the first screw is arranged in the sixth through hole.

[0016] The seventh support is connected by two eighth bodies and a tenth boss, the eighth body and the tenth boss are both cuboid symmetrical structures, two eighth bodies are oppositely arranged, and the tenth boss is located between the two eighth bodies, a cylindrical fourth groove is formed in the middle part of the rear end surface of the eighth body, the second rolling bearing is arranged in the fourth groove, an axis part of the fourth groove is provided with a cylindrical eighth through hole, the second bearing segment of the axle is arranged in the eighth through hole, and the tenth boss is symmetrically provided with four cylindrical ninth through holes, and the first screw is arranged in the ninth through hole.

[0017] The eighth support is connected by a ninth body, an eleventh boss and a twelfth boss, the ninth body, the eleventh boss and the twelfth boss are all cuboid symmetrical structures, the eleventh boss is located on the upper end surface of the ninth body, and the twelfth boss is located on the upper end surface of the eleventh boss.

[0018] In some embodiments, the wheel is connected by a coaxial seventh body and a ninth boss, the seventh body and the ninth boss are both cylindrical symmetrical structures, the ninth boss is located on the rear end surface of the seventh body, an axis part of the ninth boss is provided with a cylindrical seventh through hole, the wheel segment of the axle is arranged in the seventh through hole, and the seventh through hole also penetrates the seventh body.

[0019] In some embodiments, the bottom plate is a cuboid symmetric structure, and four groups of fifth screw holes are symmetrically arranged in the bottom plate, and a total of sixteen fifth screw holes are arranged in the bottom plate, and the second screw is screwed into the fifth screw hole.

[0020] In some embodiments, the axle is composed of a coaxial isolation section, two second bearing sections and two wheel sections, the isolation section, the second bearing section and the wheel section are all cylindrical symmetric structures, the two second bearing sections are oppositely arranged and respectively located at the front and rear end faces of the isolation section, and the two wheel sections are oppositely arranged and respectively located at the front and rear end faces of the two second bearing sections; the second bearing section is provided with the second rolling bearing, and the wheel section is provided with the wheel.

[0021] In some embodiments, the shaft is composed of a coaxial clamping section, two threaded sections and two third bearing sections, the clamping section is a regular octagonal symmetric structure, the two threaded sections are oppositely arranged and respectively located at the front and rear end faces of the clamping section, and the two third bearing sections are oppositely arranged and respectively located at the front and rear end faces of the two threaded sections; the threaded section is a cylindrical symmetric structure with threads on the side surface, used for screwing the first screw hole of the second support; the third bearing section is a cylindrical symmetric structure, used for penetrating the first rolling bearing.

[0022] In some embodiments, the saw blade is a cylindrical symmetric structure, and a regular octagonal tenth through hole is arranged at the axial position of the saw blade, and the clamping section of the shaft is penetrated into the tenth through hole.

[0023] In some embodiments, the first screw, the second screw, the first rolling bearing and the second rolling bearing are all standard parts.

[0024] The beneficial effects of the utility model are as follows:

[0025] 1) The downward single-face sawing device for the sleeve pipe body sample comprises four first supports, four second supports, four third supports, two fourth supports, one fifth support, two sixth supports, two seventh supports, two eighth supports, four wheels, one bottom plate, two axles, two shafts, two saw blades, thirty-two first screws, sixteen second screws, eight first rolling bearings and four second rolling bearings, the material is ordinary and convenient for molding, and therefore, the manufacturing cost of the device is relatively low.

[0026] 2) When using this utility model, the first sleeve sample is horizontally placed in a predetermined position. The fourth support on the left is swung forward 90 degrees, and the left-side pivot is slowly and uniformly rotated. The two axles are also rotated in the forward direction at a uniform speed. The saw blade on the left starts working until the left-side saw blade completely cuts through the upper end face of the first sleeve sample, at which point the rotation of the left-side pivot and the two axles stops. The fourth support on the left is then swung backward 90 degrees, and the second sleeve sample is horizontally placed in a predetermined position. The fourth support on the right is then swung forward 90 degrees, and the right-side pivot is slowly and uniformly rotated. The two axles are also rotated in the reverse direction at a uniform speed. The saw blade on the right starts working until the right-side saw blade completely cuts through the upper end face of the second sleeve sample, at which point the rotation of the right-side pivot and the two axles stops. Therefore, the operation of this utility model device is relatively simple.

[0027] 3) This utility model is designed based on a symmetrical structure. The combined use of the base plate and the second screw enables the relative arrangement of four first supports, and the use of the first supports enables the relative arrangement of two eighth supports. The combined use of the seventh support and the second rolling bearing enables the rotation of the axle, and the use of the eighth support enables the wheel to roll horizontally, thereby enabling the horizontal movement of the seventh support. The use of the first screw enables the linkage of the fifth, sixth, and seventh supports, as well as the linkage of the third and fourth supports. The combined use of the sixth support and the first rolling bearing enables the swinging of the fourth support, and the combined use of the third support and the first rolling bearing enables the rotation of the shaft. The combined use of the shaft and the second support enables the rotation of the saw blade, thereby enabling single-sided sawing of the upper end face of the sleeve tube sample. Therefore, the device of this utility model has a relatively good performance.

[0028] The single-sided sawing device for the casing sample provided by this utility model can alternately cut the upper end face of the casing sample on one side. This utility model device has the characteristics of low manufacturing cost, simple operation and good use effect. Attached Figure Description

[0029] Figure 1 This is a rear view of the casing body sample of the present invention when the fourth support on the left side is vertically set up.

[0030] Figure 2 This is a left-side view of the casing body sample of the present invention when the fourth support on the left side is erected.

[0031] Figure 3 This is a top view of the single-sided sawing device for the casing body sample of this utility model when the fourth support on the left is erected.

[0032] Figure 4 It is the rear view structural schematic drawing of the fourth support vertical setting of the down single face saw cutting device of the casing pipe body sample of the utility model;

[0033] Figure 5 It is the partial rear view structural schematic drawing of the down single face saw cutting device of the casing pipe body sample of the utility model;

[0034] Figure 6 It is the left view structural schematic drawing of the first support of the utility model;

[0035] Figure 7 It is the overhead view structural schematic drawing of the first support of the utility model;

[0036] Figure 8 It is the front view structural schematic drawing of the second support of the utility model;

[0037] Figure 9 It is the rear view structural schematic drawing of the second support of the utility model;

[0038] Figure 10 It is the right view structural schematic drawing of the second support of the utility model;

[0039] Figure 11 It is the section view structural schematic drawing of the second support along M-M of the utility model;

[0040] Figure 12 It is the rear view structural schematic drawing of the third support of the utility model;

[0041] Figure 13 It is the overhead view structural schematic drawing of the third support of the utility model;

[0042] Figure 14 It is the rear view structural schematic drawing of the fourth support of the utility model;

[0043] Figure 15 It is the left view structural schematic drawing of the fourth support of the utility model;

[0044] Figure 16 It is the rear view structural schematic drawing of the fifth support of the utility model;

[0045] Figure 17 It is the left view structural schematic drawing of the fifth support of the utility model;

[0046] Figure 18 It is the rear view structural schematic drawing of the sixth support and a first rolling bearing assembly of the utility model;

[0047] Figure 19 It is the overhead view structural schematic drawing of the sixth support of the utility model;

[0048] Figure 20 It is rear view structure schematic diagram of the wheel of the utility model;

[0049] Figure 21 It is right view structure schematic diagram of the wheel of the utility model;

[0050] Figure 22 It is rear view structure schematic diagram of the seventh support and a second rolling bearing after assembling of the utility model;

[0051] Figure 23 It is top view structure schematic diagram of the seventh support of the utility model;

[0052] Figure 24 It is rear view structure schematic diagram of the eighth support of the utility model;

[0053] Figure 25 It is left view structure schematic diagram of the eighth support of the utility model;

[0054] Figure 26 It is top view structure schematic diagram of the bottom plate of the utility model;

[0055] Figure 27 It is left view structure schematic diagram of the axle of the utility model;

[0056] Figure 28 It is left view structure schematic diagram of the rotating shaft of the utility model;

[0057] Figure 29 It is rear view structure schematic diagram of the saw blade of the utility model;

[0058] Figure 30 It is rear view structure schematic diagram of the fourth support of the utility model located at left side positive swing;

[0059] Figure 31 It is rear view structure schematic diagram of the fourth support of the utility model located at right side positive swing;

[0060] Figure 32 It is rear view structure schematic diagram of the fourth support of the utility model located at left side reverse swing;

[0061] Figure 33 It is rear view structure schematic diagram of the fourth support of the utility model located at right side reverse swing;

[0062] Figure 34 It is rear view structure schematic diagram of the axle of the utility model positive rotation;

[0063] Figure 35 It is rear view structure schematic diagram of the axle of the utility model reverse rotation.

[0064] Explanation of reference signs: 1-first support; 101-first body; 102-first boss; 103-second boss; 104-first through hole; 105-first groove; 2-second support; 201-second body; 202-third boss; 203-second through hole; 204-first screw hole; 3-third support; 301-third body; 302-fourth boss; 303-second groove; 304-third through hole; 305-fourth through hole; 4-fourth support; 401-fourth body; 402-fifth boss; 403-first bearing segment; 404-second screw hole; 5-fifth support; 501-fifth body; 502-sixth boss; 503-seventh boss; 504-third screw hole; 505-fourth screw hole; 6-sixth support; 601-sixth body; 602-eighth boss; 603-third groove; 604-fifth through hole; 605-sixth through hole; 7-wheel; 701-seventh body; 702-ninth boss; 703-seventh through hole; 8-seventh support; 801-eighth body; 802-tenth boss; 803-fourth groove; 804-eighth through hole; 805-ninth through hole; 9-eighth support; 901-ninth body; 902-eleventh boss; 903-twelfth boss; 10-bottom plate; 1001-fifth screw hole; 11-axle; 1101-isolation segment; 1102-second bearing segment; 1103-wheel segment; 12-rotating shaft; 1201-latching segment; 1202-threaded segment; 1203-third bearing segment; 13-saw blade; 1301-tenth through hole; 14-first screw; 15-second screw; 16-first rolling bearing; 17-second rolling bearing; 18-sleeve tube sample. DETAILED DESCRIPTION

[0065] The content of the present application is explained in detail below through examples and drawings, and the examples are only for understanding the present application, and do not limit the content of the present application.

[0066] Combination Figures 1 to 5As shown, the utility model provides a kind of sleeve pipe body sample's downward single face saw cutting device, it includes four first support 1, four second support 2, four third support 3, two fourth support 4, a fifth support 5, two sixth support 6, two seventh support 8, two eighth support 9, four wheels 7, a bottom plate 10, two axles 11, two rotating shafts 12, two saw blades 13, thirty two first screws 14, sixteen second screws 15, eight first rolling bearings 16 and four second rolling bearings 17;Wherein, the upper end surface of the horizontally arranged bottom plate 10 is provided with four first bodies 101 of four first supports 1 opposite each other, and is connected by sixteen second screws 15;Two eighth supports 9 are arranged oppositely in four first grooves 105 of four first supports 1, and four wheels 7 opposite each other are rolled on two twelfth bosses 903 of two eighth supports 9;Four seventh through holes 703 of four wheels 7 are provided with four wheel segments 1103 of two axles 11 arranged oppositely;Four second bearing segments 1102 of two axles 11 are provided with four second rolling bearings 17, and four second rolling bearings 17 are arranged oppositely in four fourth grooves 803 of two seventh supports 8;Two sixth bosses 502 of a fifth support 5 are arranged between two tenth bosses 802 of two seventh supports 8, and are connected by eight first screws 14;Two eighth bosses 602 of two sixth supports 6 are arranged on the front and rear two end faces of two seventh bosses 503 of the fifth support 5, and are connected by eight first screws 14;Four third grooves 603 of two sixth supports 6 are provided with four first rolling bearings 16, and four first rolling bearings 16 are provided with four first bearing segments 403 of two fourth supports 4;Four fourth bosses 302 of four third supports 3 opposite each other are arranged on the front and rear four end faces of four fifth bosses 402 of two fourth supports 4, and are connected by sixteen first screws 14;Four second grooves 303 of four third supports 3 are provided with four first rolling bearings 16, and four first rolling bearings 16 are provided with four third bearing segments 1203 of two rotating shafts 12 arranged oppositely;Two clamping segments 1201 of two rotating shafts 12 are provided with two saw blades 13 arranged oppositely, and four second bodies 201 of four second supports 2 opposite each other are arranged on the front and rear four end faces of two saw blades 13;Four threaded segments 1202 of two rotating shafts 12 are screwed in four first screw holes 204 of four second supports 2.

[0067] The assembly process of the sleeve pipe body sample's downward single face saw cutting device provided by the utility model

[0068] Combination Figures 1 to 29 As shown, firstly, a base plate 10 is horizontally positioned. Then, four first supports 1 are positioned opposite each other on the base plate 10, ensuring that the four first grooves 105 of the four first supports 1 are aligned. Then, the four ends of two eighth supports 9 are inserted into the four first grooves 105 of the four first supports 1. Then, the sixteen first through holes 104 of the four first supports 1 and the sixteen fifth screw holes 1001 of the base plate 10 are aligned. Then, sixteen second screws 15 are passed through the sixteen first through holes 104 and screwed into the sixteen fifth screw holes 1001. In this way, the two eighth supports 9, the four first supports 1, and the base plate 10 can be assembled.

[0069] Then, four second rolling bearings 17 are installed in the four fourth grooves 803 of the two seventh brackets 8. The two seventh brackets 8 are then arranged opposite each other. The four second bearing segments 1102 of the two axles 11 are then passed through the four second rolling bearings 17. The four wheel segments 1103 of the two axles 11 are then passed through the four seventh through holes 703 of the four wheels 7. In this way, the two seventh brackets 8, the four second rolling bearings 17, the two axles 11 and the four wheels 7 can be assembled.

[0070] Then, the four wheels 7 are simultaneously mounted on the two twelfth protrusions 903 of the two eighth brackets 9. Then, the two sixth protrusions 502 of the fifth bracket 5 are inserted between the two tenth protrusions 802 of the two seventh brackets 8. The eight third screw holes 504 of the fifth bracket 5 and the eight ninth through holes 805 of the two seventh brackets 8 are aligned. Then, the eight first screws 14 are passed through the eight ninth through holes 805 and screwed into the eight third screw holes 504. In this way, the fifth bracket 5 and the two seventh brackets 8 can be assembled.

[0071] Then, four first rolling bearings 16 are installed in the four third grooves 603 of the two sixth brackets 6, and then the two sixth brackets 6 are arranged opposite each other. Then, the four first bearing segments 403 of the two fourth brackets 4 are inserted into the four first rolling bearings 16. In this way, the two sixth brackets 6, the four first rolling bearings 16 and the two fourth brackets 4 can be assembled.

[0072] Then the two eighth bosses 602 of the two sixth supports 6 are sleeved outside the front and rear two end faces of the two seventh bosses 503 of the fifth support 5, eight sixth through holes 605 of the two sixth supports 6 and eight fourth screw holes 505 of the fifth support 5 are centered, then eight first screws 14 are passed through the eight sixth through holes 605 and screwed into the eight fourth screw holes 505, so that the two sixth supports 6 and the fifth support 5 can be assembled;

[0073] Then the two clamping position segments 1201 of the two rotating shafts 12 are inserted into the two tenth through holes 1301 of the two saw blades 13, then the four second supports 2 are arranged in pairs, then the four threaded segments 1202 of the two rotating shafts 12 are screwed into the four first screw holes 204 of the four second supports 2 respectively, so that the two saw blades 13, the two rotating shafts 12 and the four second supports 2 can be assembled;

[0074] Then the four first rolling bearings 16 are installed in the four second recesses 303 of the four third supports 3, then the four third supports 3 are arranged in pairs, then the four third bearing segments 1203 of the two rotating shafts 12 are inserted into the four first rolling bearings 16, so that the four third supports 3, the four first rolling bearings 16 and the two rotating shafts 12 can be assembled;

[0075] Then the four fourth bosses 302 of the four third supports 3 are sleeved outside the front and rear four end faces of the four fifth bosses 402 of the two fourth supports 4, sixteen fourth through holes 305 of the four third supports 3 and sixteen second screw holes 404 of the two fourth supports 4 are centered, and finally sixteen first screws 14 are passed through the sixteen fourth through holes 305 and screwed into the sixteen second screw holes 404, so that the whole device is assembled and can be put into use.

[0076] The setting rule of the fourth support swinging direction of the downward single-face sawing device for the sleeve pipe body sample

[0077] Combined Figure 1 And Figure 4 As shown in the rear view structural schematic view of the device, in order to facilitate description, the two fourth supports 4 are defined as ① and ② respectively, and the four first bearing segments 403 of the two fourth supports 4 are all swing shafts;

[0078] Suppose that the fourth support 4 on the left side is in a leisure state at the beginning, and after simplification, as Figure 30As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction.

[0079] As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction. Figure 31 As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction.

[0080] Figure 32 As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction.

[0081] As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction. Figure 33 As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction.

[0082] As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction.

[0083] Figure 1 As shown in the figure, the two fifth bosses 402 of the fourth support 4 on the left are horizontally arranged, at this time, the saw blade 13 on the left cannot be sawn, and the ① is swung by 90 degrees along the counterclockwise direction, so that the two fifth bosses 402 of the fourth support 4 on the left are changed to be vertically arranged, and the swinging direction of the fourth support 4 on the left is defined as the forward direction. Figure 4 Figure 34 ​​​The rotation direction of the axle 11 is defined as reverse, as shown in the figure. Figure 35

[0084] The use method of the downward single-face sawing device for the sleeve pipe body sample

[0085] Step 1: assuming that the four wheels 7 are located at the left end, and the four fifth bosses 402 of the fourth bracket 4 are horizontally arranged, first, the first sleeve pipe body sample 18 is horizontally arranged at the predetermined position, then the fourth bracket 4 on the left side is forwardly swung by 90 degrees, so that the two fifth bosses 402 are vertically arranged, at this time, the saw blade 13 on the left side is opposite to the sleeve pipe body sample 18, as shown in the figure. Figure 1 Then, the rotating shaft 12 on the left side is slowly and uniformly rotated, and then the two axles 11 are forwardly and uniformly rotated, so that the four wheels 7 are simultaneously and uniformly rolled to the right side, at this time, the saw blade 13 on the left side starts to work, until the saw blade 13 on the left side completely saws the upper end surface of the sleeve pipe body sample 18, then the rotating shaft 12 on the left side and the two axles 11 are stopped, so that the first sleeve pipe body sample 18 is single-face sawed.

[0086] Step 2: at this time, the four wheels 7 are located at the right end, then the fourth bracket 4 on the left side is reversely swung by 90 degrees, so that the two fifth bosses 402 are horizontally arranged, then the second sleeve pipe body sample 18 is horizontally arranged at the predetermined position, then the fourth bracket 4 on the right side is forwardly swung by 90 degrees, so that the two fifth bosses 402 are vertically arranged, at this time, the saw blade 13 on the right side is opposite to the sleeve pipe body sample 18, as shown in the figure. Figure 4 Then, the rotating shaft 12 on the right side is slowly and uniformly rotated, and then the two axles 11 are reversely and uniformly rotated, so that the four wheels 7 are simultaneously and uniformly rolled to the left side, at this time, the saw blade 13 on the right side starts to work, until the saw blade 13 on the right side completely saws the upper end surface of the sleeve pipe body sample 18, then the rotating shaft 12 on the right side and the two axles 11 are stopped, so that the second sleeve pipe body sample 18 is single-face sawed.

[0087] ​Supplementary explanation: the cased pipe body sample's downward single face sawing device provided by the utility model adopts symmetrical structure design, firstly should according to the cased pipe body sample's outer diameter specification, wall thickness specification, set height and fixed length, design and manufacture multiple specifications of the utility model device and match it;The predetermined position refers to the cased pipe body sample should be set in the intermediate position of the utility model device, namely the vertical symmetry axial surface of the cased pipe body sample should coincide with the vertical symmetry axial surface of the saw blade, this can guarantee that the saw blade saws along the radial direction of the cased pipe body sample, and the saw blade can saw the whole wall thickness of the upper end surface of the cased pipe body sample;During the whole sawing process, the horizontal moving speed of the seventh support and the actual speed of the saw blade sawing the cased pipe body sample should be consistent with each other, so as to realize the stable operation of the utility model device.

[0088] As can be seen from the embodiments, the cased pipe body sample's downward single face sawing device provided by the utility model can alternately realize the purpose of single face sawing of the upper end surface of the cased pipe body sample, and the utility model device has the characteristics of low manufacturing cost, simple operation and good use effect.

[0089] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features.

Claims

1. A downfeed single face sawing apparatus for a sample of a casing body, characterized by, The down single-face saw cutting device of the sleeve pipe body sample comprises four first supports (1), four second supports (2), four third supports (3), two fourth supports (4), one fifth support (5), two sixth supports (6), two seventh supports (8), two eighth supports (9), four wheels (7), one bottom plate (10), two axles (11), two rotating shafts (12), two saw blades (13), thirty-two first screws (14), sixteen second screws (15), eight first rolling bearings (16) and four second rolling bearings (17), wherein: The first support (1) is connected by a first body (101), a first boss (102) and a second boss (103), the first body (101), the first boss (102) and the second boss (103) are all symmetric structures in the shape of cuboid, the first boss (102) is located on the upper end face of the first body (101), and the second boss (103) is located on the upper end face of the first boss (102); the first body (101) is symmetrically provided with four first through holes (104) in the shape of cylinder, and the second screw (15) is arranged in the first through hole (104); a first groove (105) in the shape of cuboid is formed in the left end face of the second boss (103), and the eighth support (9) is arranged in the first groove (105); The second support (2) is connected by a coaxial second body (201) and a third boss (202), the second body (201) and the third boss (202) are both symmetric structures in the shape of cylinder, and the third boss (202) is located on the rear end face of the second body (201); a second through hole (203) in the shape of cylinder is formed on the axis part of the front end face of the second body (201), and the rotating shaft (12) is arranged in the second through hole (203); a first screw hole (204) is formed on the axis part of the third boss (202), a threaded section (1202) of the rotating shaft (12) is screwed in the first screw hole (204), and the first screw hole (204) and the second through hole (203) are coaxially connected; The third support (3) is connected by a third body (301) and a fourth boss (302), the third body (301) and the fourth boss (302) are both cuboid symmetric structure, the fourth boss (302) is located at the left end surface of the third body (301); The middle part of the rear end surface of the third body (301) is provided with a cylindrical second groove (303), the first rolling bearing (16) is arranged in the second groove (303); The axis part of the second groove (303) is provided with a cylindrical third through hole (304), the third bearing segment (1203) of the rotating shaft (12) is arranged in the third through hole (304); The fourth boss (302) is symmetrically provided with four cylindrical fourth through holes (305), the first screw (14) is arranged in the fourth through hole (305); The fourth support (4) is connected by a fourth body (401), two fifth bosses (402) and two first bearing segments (403), the fourth body (401) and the fifth boss (402) are both cuboid symmetric structure, two fifth bosses (402) are oppositely arranged and located at the lower end surface of the fourth body (401), two first bearing segments (403) are oppositely arranged and located at the front and rear end surfaces of the fourth body (401); The fifth boss (402) is symmetrically provided with four second screw holes (404), the first screw (14) is screwed in the second screw hole (404); The first bearing segment (403) is a cylindrical symmetric structure for arranging the first rolling bearing (16); The fifth support (5) is connected by a fifth body (501), two sixth bosses (502) and two seventh bosses (503), the fifth body (501), the sixth boss (502) and the seventh boss (503) are all cuboid symmetric structure, two sixth bosses (502) are oppositely arranged and located at the upper end surface of the fifth body (501), two seventh bosses (503) are oppositely arranged and located at the lower end surface of the fifth body (501); The sixth boss (502) is symmetrically provided with four third screw holes (504), the first screw (14) is screwed in the third screw hole (504); The seventh boss (503) is symmetrically provided with four fourth screw holes (505), the first screw (14) is screwed in the fourth screw hole (505); The sixth support (6) is connected by two sixth bodies (601) and an eighth boss (602), the sixth body (601) and the eighth boss (602) are both symmetric structures of cuboid, the two sixth bodies (601) are oppositely arranged, and the eighth boss (602) is located between the two sixth bodies (601); a cylindrical third groove (603) is formed in the middle part of the rear end face of the sixth body (601), and the first rolling bearing (16) is arranged in the third groove (603); an axis part of the third groove (603) is provided with a cylindrical fifth through hole (604), and the first bearing segment (403) of the fourth support (4) is arranged in the fifth through hole (604); the eighth boss (602) is symmetrically provided with four cylindrical sixth through holes (605), and the first screw (14) is arranged in the sixth through hole (605); The seventh support (8) is connected by two eighth bodies (801) and a tenth boss (802), the eighth body (801) and the tenth boss (802) are both symmetric structures of cuboid, the two eighth bodies (801) are oppositely arranged, and the tenth boss (802) is located between the two eighth bodies (801); a cylindrical fourth groove (803) is formed in the middle part of the rear end face of the eighth body (801), and the second rolling bearing (17) is arranged in the fourth groove (803); an axis part of the fourth groove (803) is provided with a cylindrical eighth through hole (804), and the second bearing segment (1102) of the axle (11) is arranged in the eighth through hole (804); the tenth boss (802) is symmetrically provided with four cylindrical ninth through holes (805), and the first screw (14) is arranged in the ninth through hole (805); The eighth support (9) is connected by a ninth body (901), an eleventh boss (902) and a twelfth boss (903), the ninth body (901), the eleventh boss (902) and the twelfth boss (903) are all symmetric structures of cuboid, the eleventh boss (902) is located on the upper end face of the ninth body (901), and the twelfth boss (903) is located on the upper end face of the eleventh boss (902).

2. The downfeed single facer for cutting cannula tube samples of claim 1 wherein, The wheel (7) is connected by a coaxial seventh body (701) and a ninth boss (702), the seventh body (701) and the ninth boss (702) are both cylindrical symmetric structures, the ninth boss (702) is located at the rear end face of the seventh body (701); the axis part of the ninth boss (702) is provided with a cylindrical seventh through hole (703), the wheel segment (1103) of the axle (11) is arranged in the seventh through hole (703), and the seventh through hole (703) also penetrates the seventh body (701).

3. The downhand single face sawing apparatus for cannula tube samples of claim 1 wherein, The bottom plate (10) is a rectangular parallelepiped symmetric structure, the bottom plate (10) is symmetrically provided with four groups of a total of sixteen fifth screw holes (1001), and the second screw (15) is screwed in the fifth screw hole (1001).

4. The downhand single face sawing apparatus for cannula tube samples of claim 1 wherein, The axle (11) is connected by a coaxial isolation segment (1101), two second bearing segments (1102) and two wheel segments (1103), the isolation segment (1101), the second bearing segment (1102) and the wheel segment (1103) are all cylindrical symmetric structures, the two second bearing segments (1102) are oppositely arranged and respectively located at the front and rear end faces of the isolation segment (1101), and the two wheel segments (1103) are oppositely arranged and respectively located at the front and rear end faces of the two second bearing segments (1102); the second bearing segment (1102) is provided with the second rolling bearing (17), and the wheel segment (1103) is provided with the wheel (7).

5. The downhand single face sawing apparatus for cannula tube samples of claim 1 wherein, The rotating shaft (12) is connected by a coaxial clamping segment (1201), two threaded segments (1202) and two third bearing segments (1203), the clamping segment (1201) is a regular octagonal symmetric structure, the two threaded segments (1202) are oppositely arranged and respectively located at the front and rear end faces of the clamping segment (1201), and the two third bearing segments (1203) are oppositely arranged and respectively located at the front and rear end faces of the two threaded segments (1202); the threaded segment (1202) is a cylindrical symmetric structure with threads on the side face, used for screwing the first screw hole (204) of the second support (2); the third bearing segment (1203) is a cylindrical symmetric structure, used for arranging the first rolling bearing (16).

6. The downfeed single facer for sawing cannula tube samples as defined in claim 1, wherein, The saw blade (13) is a cylindrical symmetric structure, the axis part of the saw blade (13) is provided with a regular octagonal tenth through hole (1301), and the clamping segment (1201) of the rotating shaft (12) is arranged in the tenth through hole (1301).

7. The downhand single face sawing apparatus for cannula tube samples of claim 1 wherein, The first screw (14), the second screw (15), the first rolling bearing (16) and the second rolling bearing (17) are all standard parts.

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