CN114311083A

CN114311083A - Soft pipe circular cutting machine

Info

Publication number: CN114311083A
Application number: CN202210030411.XA
Authority: CN
Inventors: 赵凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-04-12

Abstract

The invention belongs to the technical field of cutting machines, and particularly discloses a soft pipe ring cutting machine which comprises a bottom plate, wherein a supporting mechanism for supporting and positioning a pipe is arranged on the bottom plate, a first mounting pipe and a second mounting pipe with horizontal central lines are arranged above the middle part of the bottom plate, the first mounting pipe and the second mounting pipe are sleeved outside the pipe, the first mounting pipe is rotatably mounted on a rotating bracket, the bottom of the rotating bracket is fixedly connected with the bottom plate through a support plate, a driving mechanism for driving the first mounting pipe to rotate is arranged on the bottom plate, the first mounting pipe and the second mounting pipe are coaxially arranged, a gap is formed between the end surfaces of the first mounting pipe and the second mounting pipe, cutting mechanisms are symmetrically arranged on the upper side and the lower side of the gap, each cutting mechanism comprises an end plate, the bottom surface of each end plate is vertically connected with four guide rods, wherein the two guide rods are fixedly connected with the outer wall of the first mounting pipe, the invention can realize accurate cutting of the soft pipe.

Description

Soft pipe circular cutting machine

Technical Field

The invention belongs to the field of cutting machines, and particularly discloses a soft pipe ring cutting machine.

Background

When cutting the plastic tubing, adopt single cutter to cut off from the unilateral to tubular product among the prior art, because tubular product is softer, can extrude tubular product when cutting off from the unilateral and cause the bending deformation of tubular product to cause the cut surface uneven easily, thereby cause the product quality defect after the equipment to appear, for example length is not enough, end face seal nature is bad etc..

Disclosure of Invention

In view of the above, the present invention provides a flexible pipe ring cutting machine to solve the problems of the prior art.

In order to achieve the above purpose, the invention provides a soft pipe ring cutting machine, which comprises a bottom plate, wherein a supporting mechanism for supporting and positioning a pipe is arranged on the bottom plate, a first mounting pipe and a second mounting pipe with horizontal central lines are arranged above the middle part of the bottom plate, the first mounting pipe and the second mounting pipe are sleeved outside the pipe, the first mounting pipe is rotatably mounted on a rotating bracket, the bottom of the rotating bracket is fixedly connected with the bottom plate through a support plate, a driving mechanism for driving the first mounting pipe to rotate is arranged on the bottom plate, the first mounting pipe and the second mounting pipe are coaxially arranged, a gap is formed between the end surfaces of the first mounting pipe and the second mounting pipe, cutting mechanisms are symmetrically arranged at the upper side and the lower side of the gap, each cutting mechanism comprises an end plate, the bottom surface of each end plate is vertically connected with four guide rods, wherein the two guide rods are fixedly connected with the outer wall of the first mounting pipe, the other two guide rods are fixedly connected with a second installation pipe, a second hydraulic cylinder is vertically fixed at the bottom of the end plate, the upper end of the second hydraulic cylinder is connected with a connecting pipe, the other end of the connecting pipe is connected with a conveying mechanism which conveys hydraulic oil into the connecting pipe along with the rotation of the first installation pipe, a second piston plate is slidably installed in the second hydraulic cylinder, the second piston plate is fixedly connected with one end of a push rod, the other end of the push rod extends out of the second hydraulic cylinder and is connected with a connecting block, two sliding blocks are fixed on two sides of the connecting block and are respectively sleeved on the two guide rods in sliding fit with the sliding blocks, a knife rest is fixedly connected between the two sliding blocks, a cutter is fixed on the knife rest through a fixing bolt, and the cutter is inserted in a gap and is in sliding fit with the gap.

Preferably, the supporting mechanism comprises a pair of supporting blocks, a V-shaped groove is formed in the upper portions of the supporting blocks, the bottom of the pipe is placed in the V-shaped groove, a fixing block is fixedly connected to the bottom of the supporting blocks, and the bottom of the fixing block is fixedly connected with the bottom plate.

Preferably, both sides of one end of the bottom plate are fixed with fixing plates, the upper end of each fixing plate is horizontally fixed with a hydraulic cylinder, a baffle is vertically connected between one ends of the two hydraulic cylinders, and the baffle abuts against one end of the pipe.

Preferably, actuating mechanism includes the motor, the top at the runing rest is fixed to the motor, the output shaft tip coaxial coupling of motor has drive gear, drive gear and ring gear meshing, the outer wall of the first installation pipe of the coaxial fixed connection of ring gear, the coaxial fixedly connected with spacing ring of one end that the second installation pipe was kept away from to first installation pipe, spacing ring and ring gear support the both sides of runing rest and sliding fit with it respectively.

Preferably, the conveying mechanism comprises a ring pipe, the bottom of the ring pipe is fixedly connected with a bottom plate through a connecting plate, the cross section of the ring pipe is rectangular, the inner side of the ring pipe is provided with an opening, the opening of the inner side of the ring pipe is sealed through the ring plate, one end of the connecting pipe is fixedly connected with a through hole arranged on the ring plate, the inner side of the ring plate is fixedly connected with the outer wall of the first installation pipe or the second installation pipe through a plurality of connecting rods, a fixing frame is fixed on the upper part of one of the ring pipes, a rotating shaft is rotatably installed on the fixing frame, the rotating shaft is coaxially connected with a driving wheel and a screw rod, the driving wheel is connected with a driving wheel through a driving belt, the driving wheel is coaxially connected with a driving gear, the screw rod is in threaded connection with a push plate, the other end of the screw rod is rotatably connected with the installation plate, and the installation plate is fixedly connected with the top of the rotating support, the two sides of the push plate are vertically connected with one end of a horizontally arranged press rod, the other end of the press rod is fixedly connected with a first piston plate which is arranged in a first hydraulic cylinder in a sliding mode, the first hydraulic cylinder is fixed on a support, the support is fixed to the top of a rotating support, the first hydraulic cylinder is horizontally arranged, and the other end of the first hydraulic cylinder is communicated with one annular pipe through a communicating pipe.

Preferably, all annular arrays have rolling mechanism on first installation pipe and the second installation pipe, rolling mechanism includes the installing port, the installing port is seted up on first installation pipe or second installation pipe, be equipped with the gyro wheel in the installing port, the both ends of gyro wheel are through the axle that links of coaxial setting with it and the interior wall normal running fit of installing port.

Compared with the prior art, the invention has the following beneficial effects: the pipe cutting machine is provided with the pair of cutters for cutting, the two cutters simultaneously abut against the pipe from two sides during cutting, so that the pipe is relatively balanced in pressure, bending is not easy to occur, cutting position deviation is caused, the cutters rotate around the pipe during cutting to realize circular cutting, cutting stress is more balanced, cutting size is more accurate, the two cutters are continuously close to each other during the rotation of the cutters, the cutters can be always attached to the surface of the pipe during cutting, and the cutting position is not deviated.

Drawings

FIG. 1 is a schematic structural diagram of the working state of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a longitudinal cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

fig. 5 is a transverse cross-sectional view of the present invention.

In the figure: the device comprises a base plate 1, a support plate 2, a connecting plate 3, a rotating bracket 4, an annular tube 5, a fixing plate 6, a hydraulic cylinder 7, a baffle plate 8, a tube 9, a first mounting tube 10, a screw 11, a first hydraulic cylinder 12, a push plate 13, a motor 14, a driving wheel 15, a fixing block 16, a supporting block 17, a roller 18, a gap 19, a connecting block 20, a guide rod 21, a communicating tube 22, a second hydraulic cylinder 23, an end plate 24, a slider 25, a connecting rod 26, a second mounting tube 27, a limiting ring 28, a driving gear 29, a driving belt 30, a driving wheel 31, a mounting plate 32, a pressure rod 33, a bracket 34, a first piston plate 35, a rotating shaft 36, a fixing frame 37, a connecting tube 38, a second piston plate 39, a push rod 40, a knife rest 41, a fixing bolt 42, a cutter 43, a gear ring 44, an annular plate 45 and a connecting shaft 46.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-5, the soft pipe ring cutting machine includes a bottom plate 1, a supporting mechanism for supporting and positioning a pipe 9 is disposed on the bottom plate 1, the supporting mechanism includes a pair of supporting blocks 17, a V-shaped groove is disposed on an upper portion of the supporting blocks 17, a bottom of the pipe 9 is disposed in the V-shaped groove, a fixed block 16 is fixedly connected to a bottom of the supporting blocks 17, and a bottom of the fixed block 16 is fixedly connected to the bottom plate 1. Fixed plate 6 is all fixed with to the one end both sides of bottom plate 1, and the upper end level of fixed plate 6 is fixed with pneumatic cylinder 7, is connected with baffle 8 between the one end of two pneumatic cylinders 7 perpendicularly, and baffle 8 supports the one end of tubular product 9. The pipe 9 can be conveniently supported through the V-shaped groove. The position of baffle 8 can be adjusted to pneumatic cylinder 7, can fix a position the tip position of tubular product 9 through baffle 8 to size when convenient control cuts off.

The middle part top of bottom plate 1 is equipped with the first installation pipe 10 of central line horizontally and second installation pipe 27, first installation pipe 10 and second installation pipe 27 cover are outside tubular product 9, first installation pipe 10 rotates and installs on rotating bracket 4, rotating bracket 4 bottom is through extension board 2 and bottom plate 1 fixed connection, be equipped with the first installation pipe 10 pivoted actuating mechanism of drive on the bottom plate 1, actuating mechanism includes motor 14, motor 14 fixes the top at rotating bracket 4, the output shaft end coaxial coupling of motor 14 has drive gear 29, drive gear 29 and ring gear 44 mesh, the outer wall of the first installation pipe 10 of the coaxial fixed connection of ring gear 44, the coaxial fixedly connected with spacing ring 28 of one end that second installation pipe 27 was kept away from to first installation pipe 10, spacing ring 28 and ring gear 44 support the both sides of rotating bracket 4 respectively and sliding fit with it. The motor 14 is connected with an external power supply through a lead, and the motor 14 drives the first mounting pipe 10 to rotate through the transmission of the driving gear 29 and the gear ring 44.

The first installation pipe 10 and the second installation pipe 27 are coaxially arranged, a gap 19 is formed between the end surfaces of the first installation pipe 10 and the second installation pipe 27, cutting mechanisms are symmetrically arranged on the upper side and the lower side of the gap 19, each cutting mechanism comprises an end plate 24, the bottom surface of each end plate 24 is vertically connected with four guide rods 21, two guide rods 21 are fixedly connected with the outer wall of the first installation pipe 10, the other two guide rods 21 are fixedly connected with the second installation pipe 27, a second hydraulic cylinder 23 is vertically fixed at the bottom of each end plate 24, the upper end of each second hydraulic cylinder 23 is connected with a connecting pipe 38, the other end of each connecting pipe 38 is connected with a conveying mechanism which conveys hydraulic oil into the corresponding connecting pipe 38 along with the rotation of the first installation pipe 10, a second piston plate 39 is slidably installed in the corresponding second hydraulic cylinder 23, the second piston plate 39 is fixedly connected with one end of a push rod 40, the other end of the push rod 40 extends out of the corresponding second hydraulic cylinder 23 and is connected with the connecting block 20, two sliding blocks 25 are fixed on two sides of the connecting block 20, the two sliding blocks 25 are respectively sleeved on two guide rods 21 in sliding fit with the two sliding blocks 25, a cutter frame 41 is fixedly connected between the two sliding blocks 25, a cutter 43 is fixed on the cutter frame 41 through a fixing bolt 42, and the cutter 43 is inserted in the gap 19 and in sliding fit with the gap.

The gap 19 is used for moving the cutting knife 43, the first installation tube 10 rotates under the action of the driving mechanism, the first installation tube 10 forms a fixed structure with the second installation tube 27 through the connection of the guide rod 21 and the end plate 24, the second installation tube 27 and the first installation tube 10 rotate synchronously, in the rotating process of the first installation tube 10, the two cutting knives 43 cut the tube 9 from two sides, compared with the traditional cutting mode, the two sides of the tube 9 are more evenly stressed and are not easy to bend, in addition, the two cutting knives 43 perform circular cutting, the cutting is more even, in the circular cutting process of the cutting knives 43, the conveying mechanism conveys hydraulic oil into the connecting tube 38, so that the second piston plate 39 in the second hydraulic cylinder 23 slides, through the transmission of the push rod 40, the connecting block 20, the slide block 25 and the knife rest 41, the cutting knives 43 move towards the center of the tube 9, so that the cutting depth of the cutting knives 43 is continuously increased along with the cutting, keeping the cutter 43 always attached to the pipe 9, preventing the cutting position from shifting.

The conveying mechanism comprises a ring pipe 5, the bottom of the ring pipe 5 is fixedly connected with a bottom plate 1 through a connecting plate 3, the section of the ring pipe 5 is rectangular, the inner side of the ring pipe 5 is provided with an opening, the opening of the inner side of the ring pipe 5 is sealed through a ring plate 45, one end of a connecting pipe 38 is fixedly connected with a through hole arranged on the ring plate 45, the inner side of the ring plate 45 is fixedly connected with the outer wall of a first mounting pipe 10 or a second mounting pipe 27 through a plurality of connecting rods 26, a fixing frame 37 is fixed on the upper part of one ring pipe 5, a rotating shaft 36 is rotatably mounted on the fixing frame 37, the rotating shaft 36 is coaxially connected with a driving wheel 31 and a screw rod 11, the driving wheel 31 is connected with a driving wheel 15 through a driving belt 30, the driving wheel 15 is coaxially connected with a driving gear 29, the screw rod 11 is in threaded connection with a push plate 13, the other end of the screw rod 11 is rotatably connected with a mounting plate 32, and the mounting plate 32 is fixedly connected with the top of a rotating bracket 4, the two sides of the push plate 13 are vertically connected with one end of a pressure lever 33 which is horizontally arranged, the other end of the pressure lever 33 is fixedly connected with a first piston plate 35 which is arranged in a first hydraulic cylinder 12 in a sliding mode, the first hydraulic cylinder 12 is fixed on a support 34, the support 34 is fixed at the top of the rotating support 4, the first hydraulic cylinder 12 is horizontally arranged, and the other end of the first hydraulic cylinder 12 is communicated with one annular pipe 5 through a communicating pipe 22.

In the process of rotating the first installation cylinder 10, the motor 14 can rotate the screw rod 11 through the transmission of the driving wheel 15, the transmission belt 30 and the transmission wheel 31, the screw rod 11 rotates to enable the push plate 13 to move horizontally, the push plate 13 pushes the two first piston plates 35 to slide in the first hydraulic cylinder 12 through the compression rod 33, so that hydraulic oil in the first hydraulic cylinder 12 enters the two annular pipes 5 through the communication pipe 22, and finally enters the second hydraulic cylinder 23 through the connecting pipe 38 to push the second piston plate 39 to move, in the process of rotating the first installation cylinder 10, through the action of the connecting rod 26, the annular plate 45 rotates synchronously therewith.

All there is rolling mechanism in the annular array on first installation pipe 10 and the second installation pipe 27, and rolling mechanism includes the installing port, and the installing port is seted up on first installation pipe 10 or second installation pipe 27, is equipped with gyro wheel 18 in the installing port, and the both ends of gyro wheel 18 are through connecting axle 46 and the interior wall normal running fit of installing port with it coaxial setting. The roller 18 is in rolling fit with the pipe 9 in the process of rotating the first mounting pipe 10 and the second mounting pipe 27, and plays a role in stabilizing the position of the pipe 9.

The working principle is as follows: after fixing a position tubular product 9, the first installation section of thick bamboo 10 of actuating mechanism drive rotates, first installation section of thick bamboo 10 and the synchronous rotation of second installation section of thick bamboo 27, two cutters 43 cut tubular product 9 from both sides, tubular product 9 atress is comparatively balanced, and is difficult for bending deformation, and cutters 43 carry out the circular cutting, and the cutting position is balanced, and under cutter 43 rotation in-process is under conveying mechanism's effect, cutters 43 still constantly is close to tubular product 9 center for the cutting edge of circular cutting in-process cutter 43 keeps the laminating with tubular product 9, prevents to shift.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A soft pipe ring cutting machine comprises a bottom plate (1), wherein a supporting mechanism for supporting and positioning a pipe (9) is arranged on the bottom plate (1), and the machine is characterized in that a first mounting pipe (10) and a second mounting pipe (27) with horizontal center lines are arranged above the middle of the bottom plate (1), the first mounting pipe (10) and the second mounting pipe (27) are sleeved outside the pipe (9), the first mounting pipe (10) is rotatably mounted on a rotating support (4), the bottom of the rotating support (4) is fixedly connected with the bottom plate (1) through a support plate (2), a driving mechanism for driving the first mounting pipe (10) to rotate is arranged on the bottom plate (1), the first mounting pipe (10) and the second mounting pipe (27) are coaxially arranged, a gap (19) is formed between the end faces of the first mounting pipe (10) and the second mounting pipe (27), the upper side and the lower side of the gap (19) are symmetrically provided with cutting mechanisms, each cutting mechanism comprises an end plate (24), the bottom surface of each end plate (24) is vertically connected with four guide rods (21), two of the guide rods (21) are fixedly connected with the outer wall of a first installation pipe (10), the other two guide rods (21) are fixedly connected with a second installation pipe (27), the bottom of each end plate (24) is vertically fixed with a second hydraulic cylinder (23), the upper end of each second hydraulic cylinder (23) is connected with a connecting pipe (38), the other end of each connecting pipe (38) is connected with a conveying mechanism which conveys hydraulic oil into the connecting pipe (38) along with the rotation of the first installation pipe (10), a second piston plate (39) is arranged in each second hydraulic cylinder (23) in a sliding manner, the second piston plate (39) is fixedly connected with one end of a push rod (40), the other end of the push rod (40) extends out of the second hydraulic cylinder (23) and is connected with a connecting block (20), two sliding blocks (25) are fixed on two sides of the connecting block (20), the two sliding blocks (25) are respectively sleeved on two guide rods (21) in sliding fit with the sliding blocks, a cutter frame (41) is fixedly connected between the two sliding blocks (25), a cutter (43) is fixed on the cutter frame (41) through a fixing bolt (42), and the cutter (43) is inserted into the gap (19) and is in sliding fit with the gap.

2. The soft pipe ring cutting machine according to claim 1, wherein the supporting mechanism comprises a pair of supporting blocks (17), the upper parts of the supporting blocks (17) are provided with V-shaped grooves, the bottoms of the pipes (9) are placed in the V-shaped grooves, the bottoms of the supporting blocks (17) are fixedly connected with fixing blocks (16), and the bottoms of the fixing blocks (16) are fixedly connected with the bottom plate (1).

3. The circular cutting machine for the soft pipes according to claim 2, wherein the two sides of one end of the bottom plate (1) are both fixed with a fixed plate (6), the upper end of the fixed plate (6) is horizontally fixed with a hydraulic cylinder (7), a baffle (8) is vertically connected between one ends of the two hydraulic cylinders (7), and the baffle (8) is propped against one end of the pipe (9).

4. The soft pipe ring cutting machine according to claim 1, wherein the driving mechanism comprises a motor (14), the motor (14) is fixed on the top of the rotating bracket (4), the end of the output shaft of the motor (14) is coaxially connected with a driving gear (29), the driving gear (29) is meshed with a gear ring (44), the gear ring (44) is coaxially and fixedly connected with the outer wall of the first mounting pipe (10), one end of the first mounting pipe (10) far away from the second mounting pipe (27) is coaxially and fixedly connected with a limiting ring (28), and the limiting ring (28) and the gear ring (44) respectively support against and are in sliding fit with two sides of the rotating bracket (4).

5. The soft pipe ring cutting machine according to claim 4, wherein the conveying mechanism comprises a ring tube (5), the bottom of the ring tube (5) is fixedly connected with the bottom plate (1) through a connecting plate (3), the cross section of the ring tube (5) is rectangular, the inner side of the ring tube (5) is an opening, the opening of the inner side of the ring tube (5) is sealed through a ring plate (45), one end of the connecting tube (38) is fixedly connected with a through hole arranged on the ring plate (45), the inner side of the ring plate (45) is fixedly connected with the outer wall of the first mounting tube (10) or the second mounting tube (27) through a plurality of connecting rods (26), a fixing frame (37) is fixed on the upper portion of one of the ring tubes (5), a rotating shaft (36) is rotatably mounted on the fixing frame (37), and the rotating shaft (36) is coaxially connected with the driving wheel (31) and the screw (11), the transmission wheel (31) is connected with the driving wheel (15) through a transmission belt (30), the driving wheel (15) is coaxially connected with a driving gear (29), the screw rod (11) is in threaded connection with a push plate (13), the other end of the screw rod (11) is rotatably connected with a mounting plate (32), the mounting plate (32) is fixedly connected with the top of the rotating bracket (4), both sides of the push plate (13) are vertically connected with one end of a horizontally arranged pressure lever (33), the other end of the pressure lever (33) is fixedly connected with a first piston plate (35) which is arranged in the first hydraulic cylinder (12) in a sliding way, the first hydraulic cylinder (12) is fixed on a bracket (34), the bracket (34) is fixed on the top of the rotating bracket (4), the first hydraulic cylinder (12) is horizontally arranged, and the other end of the first hydraulic cylinder (12) is communicated with one of the annular pipes (5) through a communicating pipe (22).

6. The soft pipe ring cutting machine according to claim 1, wherein the first mounting tube (10) and the second mounting tube (27) are provided with a rolling mechanism in an annular array, the rolling mechanism comprises a mounting opening, the mounting opening is formed in the first mounting tube (10) or the second mounting tube (27), a roller (18) is arranged in the mounting opening, and two ends of the roller (18) are rotatably matched with the inner wall of the mounting opening through a connecting shaft (46) coaxially arranged with the roller.