CN112692897A - Accurate cutting device of tubular product - Google Patents
Accurate cutting device of tubular product Download PDFInfo
- Publication number
- CN112692897A CN112692897A CN202011444058.7A CN202011444058A CN112692897A CN 112692897 A CN112692897 A CN 112692897A CN 202011444058 A CN202011444058 A CN 202011444058A CN 112692897 A CN112692897 A CN 112692897A
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- cutting
- rotating shaft
- fixing hole
- cutter
- pipe
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- 238000005520 cutting process Methods 0.000 title claims abstract description 109
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
- B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
- B26D1/29—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting with cutting member mounted in the plane of a rotating disc, e.g. for slicing beans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
- B26D3/161—Cutting rods or tubes transversely for obtaining more than one product at a time
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The utility model discloses a precise cutting device for pipes, belonging to the field of pipe cutting; a precise cutting device for pipes comprises: the cutting device comprises a mounting seat, a cutting mechanism, a rotating disc and a transmission rod; the inner teeth are arranged on the mounting seat, the first gear meshed with the inner teeth is arranged on the rotating shaft of the cutting mechanism, and the rotating shaft is rotatably connected with the rotating disc, so that the rotating shaft revolves and also rotates, the circular cutting action on the pipe is realized, the stress on the pipe cutting position is more balanced, and the deformation of the pipe cutting position is reduced; two cutter assemblies are connected on the rotating shaft in a sliding manner, so that the cutting length of the pipe is accurately controlled; the cutter on the cutter frame is independently controlled, and the length of the cutter extending out of the cutter frame is set to be in a gradient mode according to the rotation direction of the rotating shaft, so that the abrasion to the cutter is reduced, the cutting stress of the cut of the pipe is reduced, and the deformation is reduced.
Description
Technical Field
The utility model belongs to the tubular product cutting field, concretely relates to accurate cutting device of tubular product.
Background
Along with the continuous development of present science and technology, the tubular product cutting is very common in daily industrial production, the tubular product cutting indicates to cut into required length with tubular product through cutting device, the cutter is circular blade in traditional tubular product cutting device, the cutter rotates at a high speed, and be close to toward tubular product along a direction, and accomplish the cutting step by step, at such whole cutting process, tubular product incision position receives unidirectional cutting stress, tubular product incision position can often can take place to warp because the stress concentration who receives, thereby influence the cutting precision and the quality of tubular product.
Disclosure of Invention
To prior art's not enough, this disclosed aim at provides an accurate cutting device of tubular product, the easy problem that warp in incision position when having solved among the prior art tubular product cutting.
The purpose of the disclosure can be realized by the following technical scheme: the accurate cutting device for the pipe comprises a base, wherein two mounting seats are mounted at the upper end of the base, and at least two cutting mechanisms are mounted on the mounting seats; the cutting mechanism comprises a rotating shaft, two first gears are arranged on the rotating shaft, and the two first gears are meshed with the inner teeth on the two mounting seats respectively;
furthermore, the outer sides of the two mounting seats are respectively provided with a rotating disc, the two mounting seats are positioned between the two rotating discs, and the rotating discs are coaxial with the circular rings on the mounting seats; two ends of the rotating shaft are respectively and rotatably connected with the rotating discs;
furthermore, a three-jaw chuck is arranged on the side surface of the rotating disc and used for clamping the pipe, and when the rotating disc rotates, the pipe is driven to synchronously rotate in the same direction;
furthermore, the rotating shaft is connected with two cutter assemblies in a sliding manner, each cutter assembly comprises a cutter frame, and each cutter frame is connected with the rotating shaft in a sliding manner;
furthermore, at least two sliding grooves are formed in the side face of the cutter frame, a cutter is mounted on each sliding groove, a protrusion is arranged on each cutter, and the protrusion is matched with the sliding grooves to realize sliding connection of the cutter and the cutter frame;
furthermore, each sliding chute is provided with an installation plate, a fourth fixing hole is formed in the installation plate, and the fourth fixing hole is a threaded hole;
furthermore, an adjusting screw is installed between the mounting plate and the cutter, external threads on the adjusting screw are matched with internal threads on the fourth fixing hole, and the adjusting screw penetrates through the mounting plate and is rotatably connected with the cutter.
Furthermore, a sleeve is arranged on the cutter frame, a positioning groove is formed in the outer circle of the sleeve, and the rotating shaft penetrates through the sleeve;
furthermore, a limiting block is arranged on the rotating shaft and matched with the positioning groove.
Furthermore, a second fixing hole and a third fixing hole are formed in the outer circle of the sleeve and are respectively located on two sides of the positioning groove;
further, one of the second fixing hole and the third fixing hole is a threaded hole, and the other one of the second fixing hole and the third fixing hole is a through hole;
furthermore, the fixed slot has been seted up to the side of stopper, passes second fixed orifices, fixed slot and third fixed orifices through the bolt, makes the sleeve takes place to deform, thereby holds tightly the pivot.
Furthermore, the lengths of the cutters extending out of the cutter rest are distributed in a gradient manner, and the gradient distribution is arranged according to the rotation direction of the rotating shaft, so that the cutting feed amount of the cutters on the cutting mechanism is from shallow to deep when the cutters cut the pipe.
Furthermore, one side of each of the two rotating discs, which faces away from the mounting seat, is provided with a support frame, the support frames are fixedly mounted at the upper end of the base, the upper end part of each support frame is provided with a connecting seat, and the connecting seats are coaxial with the rotating discs and are rotatably connected with the rotating discs;
further, be provided with the hole of stepping down on the connecting seat, the hole of stepping down is used for stepping down to tubular product.
Furthermore, a sixth fixing hole is formed in the lower end of each mounting seat, the sixth fixing hole penetrates through the mounting seats, a transmission rod is installed in the sixth fixing hole, and the transmission rod penetrates through the two mounting seats and is rotatably connected with the two mounting seats;
furthermore, a driving device is fixedly mounted on one of the support frames, and a driving shaft of the driving device is fixedly connected with the transmission rod;
furthermore, two second gears are mounted on the transmission rod, external teeth are arranged on the outer circle of the rotating disc and are distributed on the outer circle of the whole rotating disc, and the two second gears are meshed with the external teeth on the two rotating discs respectively.
The beneficial effect of this disclosure: the stress at the cut position of the pipe is more balanced, and the deformation of the cut position of the pipe caused by uneven stress is avoided.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a cutting mechanism according to an embodiment of the disclosure;
FIG. 3 is a schematic view of a cutter assembly according to an embodiment of the disclosure;
FIG. 4 is a schematic view of a cutting blade holder configuration according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a cutter configuration according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a spindle configuration according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of a mount configuration of an embodiment of the disclosure;
FIG. 8 is a schematic view of a rotating disk assembly of an embodiment of the present disclosure;
fig. 9 is a schematic view of a support stand according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
As shown in fig. 1, a precise pipe cutting device comprises a base plate 1, wherein the base plate 1 is fixedly connected with the ground, and a pipe finishes a cutting action above the base plate 1;
the upper end of the bottom plate 1 is fixedly provided with the mounting seats 2, the lower end surfaces of the mounting seats 2 are fixedly connected with the upper end surface of the bottom plate 1, and the positions of the mounting seats 2 on the bottom plate 1 are adjustable, so that the coaxiality and the distance between the two mounting seats 2 can be conveniently adjusted;
in some disclosures, a waist groove is formed in the bottom plate 1, a threaded hole is formed in the lower end portion of the mounting seat 2, and a bolt is installed in the waist groove, so that the position of the mounting seat 2 on the bottom plate 1 can be adjusted, the mounting seat can be adapted to pipes with different lengths and specifications, and finished pipes with different lengths can be cut, of course, the connection mode of the mounting seat 2 and the bottom plate 1 includes but is not limited to the above situation, and the connection mode can be adjusted as long as the position of the mounting seat 2 and the position of the bottom plate 1 can be adjusted.
As shown in fig. 7, the upper end portions of the mounting seats 2 are provided with circular rings 21, the circular rings 21 on the two mounting seats 2 are coaxial, inner teeth 22 are arranged on the inner circles of the circular rings 21, the inner teeth 22 are distributed on the whole inner circle surfaces, and when the cutting device is used for cutting a pipe, the pipe passes through the two circular rings 21 on the two mounting seats 2 and is coaxial with the circular rings 21;
a plurality of cutting mechanisms 3 are arranged between the two mounting seats 2, when the pipe is fixed on the cutting device, the cutting mechanisms 3 are uniformly distributed on the circumferential outer side of the pipe, and the cutting mechanisms 3 are used for cutting the pipe to enable the pipe to be cut into a certain length;
as shown in fig. 2, the cutting mechanism 3 includes a rotating shaft 31, two first gears 32 are fixedly mounted on the rotating shaft 31, the rotating shaft 31 can be driven to rotate by the first gears 32, and the two first gears 32 are respectively meshed with the internal teeth 22 on the two mounting bases 2;
as shown in fig. 1, two rotating disc assemblies 4 are mounted above a bottom plate 1, the two rotating disc assemblies 4 are coaxial with a circular ring 21 at the upper end part of two mounting seats 2, and the two mounting seats 2 are positioned between the two rotating disc assemblies 4;
as shown in fig. 8, the rotating disc assembly 4 includes a rotating disc 41, the rotating disc 41 is coaxial with the ring 21 at the upper end of the mounting base 2, a plurality of first fixing holes 43 are provided on the surface of the rotating disc 41, and the plurality of first fixing holes 43 are uniformly distributed in the circumferential direction of the rotating disc 41;
the number of the first fixing holes 43 on the surface of the rotating disc 41 is the same as that of the cutting mechanisms 3, the rotating shafts 31 in the cutting mechanisms 3 correspond to the first fixing holes 43 on the rotating disc 41 one by one, and two ends of each rotating shaft 31 are respectively matched with the first fixing holes 43 on the two rotating discs 41, so that the rotating shafts 31 are simultaneously and rotatably connected with the two rotating discs 41;
when the two rotating discs 41 rotate around the axes of the rotating discs 41 at the same time and in the same direction, the rotating shafts 31 are driven to revolve around the axes of the rotating discs 41, and the revolving direction of the rotating shafts 31 is consistent with the rotating direction of the rotating discs 41; because the two first gears 32 on the rotating shaft are meshed with the internal teeth 22 on the two mounting seats 2 at the same time, the rotating shaft 31 also rotates around the axis thereof while revolving, and the rotation direction of the rotation is opposite to that of the rotating disc 4; through the revolution and the rotation of the rotating shaft 31, namely the revolution and the rotation of the cutting mechanisms 3, the circular cutting action of the plurality of cutting mechanisms 3 around the pipe is realized, and compared with the traditional one-way cutting mode, the circular cutting mode has the advantages that the stress on the cut position of the pipe is more balanced and the pipe is not easy to deform.
As shown in fig. 2, two cutter assemblies 33 are mounted on the rotating shaft 31, and the cutter assemblies 33 are used for cutting the pipe;
as shown in fig. 3, the cutter assembly 33 includes a cutter holder 331 and a plurality of cutters 332, the cutter holder 331 is used for fixing the cutters 332, when the rotating shaft 31 rotates around its own axis, the cutter holder 331 drives the plurality of cutters 332 thereon to rotate, and when the cutting edges of the cutters 332 contact with the outer circle of the pipe, the pipe can be cut;
as shown in fig. 6, the rotating shaft 31 includes a shaft body 311, the shaft body 311 is engaged with and rotatably connected to the first fixing hole 43 on the rotating disc 4, a limiting block 312 is disposed on an outer circle of the shaft body 311, the limiting block 312 is disposed along an axial direction of the shaft body 311, a fixing groove 313 is disposed on a side surface of the limiting block, and an extending direction of the fixing groove 313 is consistent with an axial direction of the shaft body 311;
as shown in fig. 4, a sleeve 3314 is provided on a side surface of the cutting blade holder 331, and when the cutting blade holder 331 is mounted on the rotating shaft 31, an inner hole of the sleeve 3314 is matched with the shaft body 311 of the rotating shaft 31, so as to achieve a sliding connection between the cutting blade holder 331 and the rotating shaft 31;
a positioning groove 3315 is arranged on the outer circle of the sleeve 3314, when the cutter holder 331 is mounted on the rotating shaft 31, the positioning groove 3315 on the outer circle of the sleeve 3314 is matched with the stopper 312 on the rotating shaft 31, so that the relative rotation of the cutter holder 331 and the rotating shaft 31 is limited, the cutter holder 331 can only slide along the axial direction of the rotating shaft 31, when the rotating shaft 31 rotates, the cutter holder 331 can obtain more stable rotating torque, so that the cutting action is completed, in addition, the mounting position of the cutter holder 331 is unchanged every time through the matching of the positioning groove 3315 and the stopper 312, so that the arrangement of cutters on the cutter holder 331 is reasonable, and the cutting effect is improved;
the outer circle of the sleeve 3314 is provided with a second fixing hole 3316 and a third fixing hole 3317, the second fixing hole 3316 and the third fixing hole 3317 are respectively located at two sides of the positioning groove 3315, and the second fixing hole 3316 and the third fixing hole 3317 are coaxial, in this embodiment, the second fixing hole 3316 is a through hole, the third fixing hole 3317 is a threaded hole, when the cutter holder 331 is installed on the rotating shaft 31, a bolt passes through the second fixing hole 3316, and passes through the fixing groove 313 on the rotating shaft 31, and finally, the external thread of the bolt is matched with the internal thread of the third fixing hole 3317, so that the sleeve 3314 is deformed, the rotating shaft 31 is clasped, and the cutter holder 331 is fixedly connected with the rotating shaft 31;
in some disclosures, the second fixing hole 3316 is a threaded hole, the third fixing hole 3317 is a through hole, a bolt sequentially passes through the three fixing holes 3317, the fixing groove 313 and the second fixing hole 3316, and an external thread of the bolt is matched with an internal thread of the second fixing hole 3316 to fixedly connect the cutting tool holder 331 and the rotating shaft 31, so that one of the second fixing hole 3316 and the third fixing hole 3317 on the outer circle of the sleeve 3314 is a threaded hole and the other is a through hole, thereby realizing detachable fixed connection of the cutting tool holder 331 and the rotating shaft 31;
by controlling the relative distance between the cutting knife rests 331 in the two cutting mechanisms 3, the accurate control of the cutting length of the pipe can be realized.
As shown in fig. 4, a plurality of sliding grooves 3311 are formed in a side surface of the cutter holder 331, the plurality of sliding grooves 3311 are circumferentially and uniformly distributed on the cutter holder 331, and an extending direction of the sliding grooves 331 is a radial direction of the cutter holder 331;
as shown in fig. 5, the cutting knife 332 is provided with a protrusion 3321, and the protrusion 3321 is matched with the sliding slot 3311 of the cutting knife holder 331, so as to realize the sliding connection between the cutting knife 332 and the cutting knife holder 331;
each sliding slot 3311 is provided with an installation plate 3312, the installation plate 3312 is provided with a fourth fixing hole 3313, and the fourth fixing hole 3313 is a threaded hole; the cutter 332 is provided with a baffle 3322, the baffle 3322 is provided with a fifth fixing hole 3323, and when the cutter 332 is mounted on the cutter holder 331, the fifth fixing hole 3323 on the baffle 3322 is coaxial with the fourth fixing hole 3313 on the mounting plate 3312;
as shown in fig. 3, an adjusting screw 333 is installed between the cutter 332 and the mounting plate 3312, and the adjusting screw 333 passes through a fourth fixing hole 3313 of the mounting plate 3312 and is fitted with an external thread of the adjusting screw 333 and an internal thread of the mounting plate 3312; the end part of the adjusting screw 333 is positioned in the fifth fixing hole 3323 on the baffle 3322, so that the adjusting screw 333 is rotatably connected with the cutter 332; the adjusting screw 333 is rotated to drive the cutter 332 to slide on the cutter holder 331 along the chute 3311, thereby achieving the purpose of controlling the position of the cutter 332;
in this embodiment, the pipe passes through between two adjacent cutters 332 in the cutter mechanism 3 and is connected with the rotating disc 4, and for pipes with different thickness specifications, the position of the cutter 332 is controlled by rotating the adjusting screw 333 to realize the cutting effect on the pipe;
furthermore, the positions of the cutters 332 in the cutting mechanism 3 can be independently controlled, and the lengths of the cutters 332 extending out of the cutter holder 331 are set to be in a gradient manner according to the rotation direction of the rotating shaft 31 in the cutting mechanism 3, so that the cutting feed of the cutters 332 on the cutting mechanism 3 is from shallow to deep when the pipe is cut, thereby reducing the abrasion of props, and simultaneously, the cutting stress borne by the pipe cut position is not too large, and the deformation of the pipe cut position is reduced;
in this embodiment, by providing a plurality of sets of cutting mechanisms 3 to cut the pipe, the cutting efficiency and the cutting uniformity can be increased.
As shown in fig. 1, a three-jaw chuck 44 is provided on one side surface of the rotary disc 4, and when the pipe passes through the center position of the rotary disc 4 at both ends of the cutting device, the pipe can be fixed on the rotary disc 44 by the three-jaw chuck 44;
when the rotating disc 44 rotates, the three-jaw chuck 44 drives the pipe to rotate synchronously in the same direction, and the first gear 32 on the rotating shaft 31 is meshed with the internal teeth 22 on the mounting seat 2, so that the rotation direction of the rotating shaft 31 is opposite to the rotation direction of the rotating disc 4, and the rotation direction of the rotating shaft 31 is opposite to the rotation direction of the pipe, so that the rotating shaft 31 and the pipe form a rotation speed difference, the rotating shaft 31 and the pipe have higher rotation speeds relatively, and the cutting mechanism 3 can effectively complete the cutting action on the pipe.
One side of each of the two rotating discs 4, which is back to the mounting base 2, is provided with a support frame 5, the two support frames 5 are fixedly mounted on the base 1, the upper end part of each support frame 5 is provided with a connecting seat 51, the connecting seat 51 is connected with the side surface of each rotating disc 4, the connecting seat 51 is coaxial with the rotating discs 4, and the rotating discs 4 are rotatably connected with the support frames 5;
as shown in fig. 9, a connection seat 51 at the upper end of the support frame 5 is provided with a yielding hole 52, and when the tube passes through the rotating discs 4 at the two ends of the cutting device, the yielding hole 52 is used for yielding the tube, so that the tube is fixed on the rotating discs 4 through the yielding hole 52, and then the cutting action is completed.
As shown in fig. 7, a sixth fixing hole 23 is formed in the lower end of the mounting base 2, and the sixth fixing hole 23 penetrates through the mounting base 2; a transmission rod 6 is arranged in the sixth fixing hole 23, and the transmission rod 6 respectively penetrates through the sixth fixing holes 23 on the two mounting bases 2 and is rotatably connected with the two mounting bases 2;
as shown in fig. 1, a driving device 8 is installed at one end of the transmission rod 6, the driving device 8 is fixedly installed on the support frame 5, a driving shaft of the driving device 8 is fixedly connected with the transmission rod 6, and the driving device 8 is used for driving the transmission rod 6 to rotate;
as shown in fig. 8, the outer circle of the rotating disc 4 is provided with outer teeth 42, and the outer teeth 42 are distributed on the whole outer circle of the rotating disc 4;
the transmission rod 6 is fixedly connected with two second gears 7, the second gears 7 are respectively meshed with the outer teeth 42 on the two rotating discs 4, and when the driving device 8 drives the transmission rod 6 to rotate, the two rotating discs 4 can be driven to synchronously rotate in the same direction, so that the cutting mechanism 3 and the pipe are driven to rotate to complete cutting;
in this embodiment, through having set up two synchronous syntropy pivoted rolling discs 4, realized the stable centre gripping to tubular product, relative with single rolling disc 4's centre gripping effect, two rolling discs 4 can effectually avoid tubular product to take place bending deformation's phenomenon in centre gripping cutting process to the centre gripping of tubular product.
The working principle of the invention is as follows:
the inner teeth 22 are arranged on the mounting seat 2, the first gear 32 meshed with the inner teeth 22 is arranged on the rotating shaft 31 of the cutting mechanism 3, and the rotating shaft 31 and the rotating disc 4 are arranged in rotating connection, so that the rotating shaft 31 revolves and also rotates, the circular cutting action on the pipe is realized, the stress on the pipe cutting position is more balanced, and the deformation of the pipe cutting position is reduced; two cutter assemblies 33 are connected on the rotating shaft 31 in a sliding manner, so that the cutting length of the pipe is accurately controlled; the rotation of the cutter holder 331 is limited by arranging the limiting block 312 on the rotating shaft 31, so that the rotating torque of the rotating shaft 31 can be better transmitted to the cutter holder 331; the cutting of the pipes with different thickness specifications is realized by sliding and connecting a plurality of cutters on the cutter frame 331; the cutter 332 on the cutter holder 331 is independently controlled, and the length of the cutter 332 extending out of the cutter holder 331 is set to be gradient according to the rotation direction of the rotating shaft 31, so that the abrasion to the cutter is reduced, the cutting stress of the cut of the pipe is reduced, and the deformation of the cut position of the pipe is reduced; the plurality of cutting mechanisms 3 are arranged in the circumferential direction of the pipe, and the plurality of cutters are arranged on the cutter assembly 33 in each cutting mechanism 3 to share the cutting time of each cutter 332, so that the cutting time of the cutters 332 is reduced, the abrasion of the cutters is reduced, and the cutting quality and the cutting precision are ensured; the outer teeth 42 are arranged on the outer circle of the rotating disc 4, the lower ends of the two rotating discs 4 are respectively meshed with the second gears 7, the two second gears 7 are connected through the transmission rod 6, the transmission rod 6 is driven to rotate, synchronous and same-direction rotation of the two rotating discs 4 is achieved, and the cutting action of the pipe is completed.
The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.
Claims (6)
1. The accurate cutting device for the pipes comprises a base (1), wherein two installation bases (2) are installed at the upper end of the base (1), and at least two cutting mechanisms (3) are installed on the installation bases (2), and is characterized in that a circular ring (21) is arranged at the upper end of each installation base (2), inner teeth (22) are arranged on the inner circle of each circular ring (21), and the inner teeth (22) are distributed in the inner circle of the whole circular ring (21); the cutting mechanism (3) comprises a rotating shaft (31), two first gears (32) are arranged on the rotating shaft (31), and the two first gears (32) are meshed with the inner teeth (22) on the two mounting bases (2) respectively;
the outer sides of the two mounting seats (2) are respectively provided with a rotating disc (4), the two mounting seats (2) are positioned between the two rotating discs (4), and the rotating discs (4) are coaxial with a circular ring (21) on the mounting seats (2); two ends of the rotating shaft (31) are respectively and rotatably connected with the rotating discs (4);
the side surface of the rotating disc (4) is provided with a three-jaw chuck (44), the three-jaw chuck (44) is used for clamping the pipe, and when the rotating disc (4) rotates, the pipe is driven to synchronously rotate in the same direction;
the rotating shaft (31) is connected with two cutter assemblies (33) in a sliding mode, each cutter assembly (33) comprises a cutter frame (331), and each cutter frame (331) is connected with the rotating shaft (31) in a sliding mode;
the side surface of the cutter frame (331) is provided with at least two sliding grooves (3311), the sliding grooves (3311) are provided with cutters (332), the cutters (332) are provided with protrusions (3321), and the protrusions (3321) are matched with the sliding grooves (3311) to realize the sliding connection of the cutters (332) and the cutter frame (331);
each sliding groove (3311) is provided with an installation plate (3312), a fourth fixing hole (3313) is formed in the installation plate (3312), and the fourth fixing hole (3313) is a threaded hole;
mounting panel (3312) with install adjusting screw (333) between cutter (332), external screw thread on adjusting screw (333) with interior screw thread on fourth fixed orifices (3313) cooperatees, adjusting screw (333) pass mounting panel (3312) and with cutter (332) rotate and are connected.
2. The precise pipe cutting device according to claim 1, wherein the cutting tool holder (331) is provided with a sleeve (3314), the outer circle of the sleeve (3314) is provided with a positioning slot (3315), and the rotating shaft (31) passes through the sleeve (3314);
the rotating shaft (31) is provided with a limiting block (312), and the limiting block (312) is matched with the positioning groove (3315).
3. The precise pipe cutting device according to claim 2, wherein the sleeve (3314) has a second fixing hole (3316) and a third fixing hole (3317) formed on its outer circumference, the second fixing hole (3316) and the third fixing hole (3317) being respectively located at both sides of the positioning slot (3315);
one of the second fixing hole (3316) and the third fixing hole (3317) is a threaded hole, and the other is a via hole;
a fixing groove (313) is formed in the side face of the limiting block (312), and a bolt penetrates through a second fixing hole (3316), the fixing groove (313) and a third fixing hole (3317), so that the sleeve (3314) deforms, and the rotating shaft (31) is held tightly.
4. The precise cutting device for the pipes as claimed in claim 1, wherein the lengths of the cutting knives (332) extending out of the cutting knife holder (331) are distributed in a gradient manner, and the gradient distribution is arranged according to the rotation direction of the rotating shaft (31), so that the feeding amount of the cutting knives (332) on the cutting mechanism (3) is from shallow to deep when the pipes are cut.
5. The precise pipe cutting device according to claim 1, wherein a support frame (5) is respectively installed on one side of each of the two rotating discs (4) facing away from the installation seat (2), the support frame (5) is fixedly installed at the upper end of the base (1), a connecting seat (51) is arranged at the upper end of the support frame (5), and the connecting seat (51) is coaxially and rotatably connected with the rotating discs (4);
the connecting seat (51) is provided with a yielding hole (52), and the yielding hole (52) is used for yielding the pipe.
6. The precise pipe cutting device according to claim 1, characterized in that a sixth fixing hole (23) is formed in the lower end of the mounting seat (2), the sixth fixing hole (23) penetrates through the mounting seat (2), a transmission rod (6) is installed in the sixth fixing hole (23), and the transmission rod (6) penetrates through the two mounting seats (2) and is rotatably connected with the two mounting seats (2);
a driving device (8) is fixedly arranged on one of the support frames (5), and a driving shaft of the driving device (8) is fixedly connected with the transmission rod (6);
install two second gears (7) on transfer line (6), be provided with external tooth (4) on the excircle of rolling disc (4), the excircle of whole rolling disc (42) is covered with in external tooth (42), two second gear (7) respectively with two external tooth (42) intermeshing on rolling disc (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011444058.7A CN112692897B (en) | 2020-12-08 | 2020-12-08 | Accurate cutting device of tubular product |
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| CN202011444058.7A CN112692897B (en) | 2020-12-08 | 2020-12-08 | Accurate cutting device of tubular product |
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| CN112692897A true CN112692897A (en) | 2021-04-23 |
| CN112692897B CN112692897B (en) | 2022-10-28 |
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| CN202011444058.7A Active CN112692897B (en) | 2020-12-08 | 2020-12-08 | Accurate cutting device of tubular product |
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| CN113334448A (en) * | 2021-06-30 | 2021-09-03 | 王继岳 | PVC spiral steel wire hose cutting system |
| CN113977667A (en) * | 2021-10-26 | 2022-01-28 | 国网山东省电力公司济南市章丘区供电公司 | Be used for electric power construction electric power pipe cutting device |
| CN116693181A (en) * | 2023-08-07 | 2023-09-05 | 兴化市丰华玻璃钢化有限公司 | Automatic glass cutting machine |
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| CN116693181B (en) * | 2023-08-07 | 2023-10-24 | 兴化市丰华玻璃钢化有限公司 | Automatic glass cutting machine |
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| CN112692897B (en) | 2022-10-28 |
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Effective date of registration: 20231221 Address after: 236000 No.1 Xiangyang Road, south of 102 provincial road, Mazhai Township, Yingzhou District, Fuyang City, Anhui Province Patentee after: Anhui Kangqiao Environmental Protection Technology Co.,Ltd. Address before: 236000 No.1 Xiangyang Road, Mazhai Township, Yingzhou District, Fuyang City, Anhui Province Patentee before: Anhui Kangqiao Pipe Industry Co.,Ltd. |