CN110587014A

CN110587014A - Elbow cutting machine

Info

Publication number: CN110587014A
Application number: CN201910867204.8A
Authority: CN
Inventors: 刘志安
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2019-12-20

Abstract

The invention discloses an elbow cutting-off machine, and relates to the field of pushing elbow production equipment. The invention comprises a cuboid-shaped shell, a roller arranged in the shell, a roller group contacted with the outer circular surface of the roller, a driven gear sleeved in the middle of the outer circle of the roller and synchronously rotating with the roller, a driving gear meshed with the driven gear, a fixed gear fixed on the inner wall of the shell, a turbine telescopic cutting device arranged in the roller, a planetary gear fixed on an input shaft of the turbine telescopic cutting device, and a motor fixed on the outer side of the shell, wherein the driving gear is arranged on an output shaft of the motor, the planetary gear is meshed with the fixed gear, and the axes of the roller, the driven gear and the fixed gear are superposed; the middle part of the shell is provided with a hollow area for the elbow to pass through. The invention has fast cutting speed and smooth cut.

Description

Elbow cutting machine

Technical Field

The invention relates to the field of pushing elbow production equipment, in particular to an elbow cutting-off machine.

Background

In the production process of the push bend, the push bend needs to be cut from the tube blank. At present, mechanical equipment used for cutting the elbow has the problems of low cutting speed and uneven cut.

Disclosure of Invention

The invention aims to provide an elbow cutting-off machine which is high in cutting-off speed and smooth in cut.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an elbow cutting machine is used for cutting an elbow in the pushing elbow production process and comprises a cuboid shell, a roller arranged in the shell, a roller group in contact with the outer circular surface of the roller, a driven gear sleeved in the middle of the outer circle of the roller and synchronously rotating with the roller, a driving gear meshed with the driven gear, a fixed gear fixed on the inner wall of the shell, a turbine telescopic cutting device arranged in the roller, a planetary gear fixed on an input shaft of the turbine telescopic cutting device and a motor fixed on the outer side of the shell, wherein the driving gear is arranged on an output shaft of the motor, the planetary gear is meshed with the fixed gear, and the axes of the roller, the driven gear and the fixed gear are superposed; the turbine telescopic cutting device comprises a circular ring partition plate, a turbine box, a screw rod, a threaded sleeve, a sliding rail and a roller knife, wherein the circular ring partition plate is fixed in the middle of the inside of a roller and is parallel to the end face of the roller; the idler group comprises four idler wheels, and the four idler wheels are uniformly distributed around the axis of the roller.

A further technical scheme lies in, the casing is established on the slip table, the slip table is including fixing at subaerial fixed plate, the first regulating plate that can longitudinally move on the fixed plate, lateral shifting's second regulating plate on first regulating plate to and the third regulating plate that can rotate on the second regulating plate, fixed plate, first regulating plate, second regulating plate and third regulating plate are parallel to each other, the casing is established on the third regulating plate.

A further technical scheme lies in, still including the clamping device who is used for pressing from both sides tight elbow, clamping device establishes the front side at the gyro wheel sword, clamping device includes the flexible clamping structure that two upper and lower symmetries set up, and the top of the flexible clamping structure of upside is fixed at the top of casing, and the bottom of the flexible clamping structure of volume down all fixes in the bottom of casing, flexible clamping structure includes the pneumatic cylinder and the draw-in groove that is used for pressing from both sides tight elbow, the tip at the pneumatic cylinder piston rod is established to the draw-in groove, the end fixing of pneumatic cylinder body is on the casing, the cross-section of draw-in groove is.

The further technical scheme is that the number of the turbine telescopic cutting devices is three, and the three turbine telescopic cutting devices are uniformly distributed around the axis of the roller.

The further technical scheme is that the two supporting roller groups are respectively positioned at the left end and the right end of the roller.

The further technical scheme is that a circle of limiting bulges used for limiting the axial movement of the roller are arranged at the outer side end of the roller.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the invention adopts a main body structure combined by a planetary wheel set and a turbine telescopic structure, can realize the feeding and the returning of the roller cutter by controlling the positive and negative rotation of the motor, can rotate around the elbow to realize the quick cutting of the elbow while feeding the roller cutter, and simultaneously ensures the smoothness of the cut.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the cutting-off machine;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

1. a housing; 2. a drum; 3. a turbine telescopic cutting device; 4. a core rod; 5. an intermediate frequency heater; 6. a sliding table; 7. a hydraulic cylinder; 8. a card slot; 9. a driven gear; 10. a planetary gear; 11. fixing a gear; 12. a slide rail; 13. an electric motor; 14. a third adjusting plate; 15. a second adjusting plate; 16. a first adjusting plate; 17. a fixing plate; 18. a screw position adjusting device; 19. adjusting the screw rod; 20. adjusting a threaded sleeve; 21. a roller; 22. a roller cutter; 23. a screw; 24. a threaded sleeve; 25. a turbine case; 26. a circular ring baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

The invention provides an elbow cutting machine, which is used for cutting an elbow in the pushing elbow production process and comprises a cuboid shell 1, a roller 2 arranged in the shell 1, a supporting roller group contacted with the outer circular surface of the roller 2, a driven gear 9 sleeved at the middle part of the outer circle of the roller 2 and synchronously rotating with the roller, a driving gear meshed with the driven gear 9, a fixed gear 11 fixed on the inner wall of the shell 1, a turbine telescopic cutting device 3 arranged in the roller 2, a planetary gear 10 fixed on an input shaft of the turbine telescopic cutting device 3 and a motor 13 fixed on the outer side of the shell 1, wherein the driving gear is arranged on an output shaft of the motor 13, the planetary gear 10 is meshed with the fixed gear 11, and the axes of the roller 2, the driven gear 9 and the fixed gear 11 are superposed; the turbine telescopic cutting device 3 comprises a circular ring partition plate 26 which is fixed in the middle of the inside of the roller 2 and is parallel to the end face of the roller, a turbine box 25 which is fixed on the circular ring partition plate 26, a screw 23 which is fixed on an output shaft of the turbine box 25, a threaded sleeve 24 which is in threaded connection with the screw 23, a slide rail 12 which is arranged on the circular ring partition plate 26, and a roller cutter 22 which is arranged at the outer end of the threaded sleeve 24, wherein the threaded sleeve 24 slides on the slide rail 12, the axis of the roller cutter 22 moves along the radial direction of the roller 2, the roller cutter 22 is positioned at the inner circle side of the circular ring partition plate 26, the planetary gear 10 is fixed on an input shaft of the turbine box 25, and hollow areas which are used for enabling elbows to pass through are; the idler group comprises four idler wheels 21, and the four idler wheels 21 are uniformly distributed around the axis of the roller.

Preferably, the housing 1 is provided on a slide table 6, the slide table 6 includes a fixed plate 17 fixed below the ground, a first adjusting plate 16 longitudinally movable on the fixed plate 17, a second adjusting plate 15 laterally movable on the first adjusting plate 16, and a third adjusting plate 14 rotatable on the second adjusting plate 15, the fixed plate 17, the first adjusting plate 16, the second adjusting plate 15, and the third adjusting plate 14 are parallel to each other, and the housing 1 is provided on the third adjusting plate 14.

Preferably, the fixing plate 17 is connected with the first adjusting plate 16, the first adjusting plate 16 is connected with the second adjusting plate 15, and the second adjusting plate 15 is connected with the third adjusting plate 14 through a screw position adjusting device 18, the screw position adjusting device 18 comprises an adjusting screw 19 movably arranged on one side plate and an adjusting screw sleeve 20 hinged on the other side plate, the adjusting screw sleeve 20 is in threaded connection with the adjusting screw 19, the adjusting screw 19 can axially rotate, the fixing plate 17 is provided with a longitudinal moving track capable of enabling the first adjusting plate 16 to longitudinally move, the first adjusting plate 16 is provided with a transverse moving track capable of enabling the second adjusting plate 15 to transversely move, and the second adjusting plate 15 is provided with an arc track capable of enabling the third adjusting plate 14 to rotate.

Preferably, still including the clamping device who is used for pressing from both sides tight elbow, clamping device establishes the front side at gyro wheel sword 22, clamping device includes the flexible clamping structure that two upper and lower symmetries set up, and the top of the flexible clamping structure of upside is fixed at the top of casing 1, and the bottom of the flexible clamping structure of volume down is all fixed in the bottom of casing 1, flexible clamping structure includes pneumatic cylinder 7 and the draw-in groove 8 that is used for pressing from both sides tight elbow, the tip at the 7 piston rods of pneumatic cylinder is established to draw-in groove 8, the end fixing of the 7 cylinder bodies of pneumatic cylinder is on casing 1, the cross-section of draw-in groove 8 is the arc.

Preferably, the number of the turbine telescopic cutting devices 3 is three, and the three turbine telescopic cutting devices 3 are uniformly distributed around the axis of the roller.

Preferably, the two idler groups are respectively positioned at the left end and the right end of the roller 2.

Preferably, the outer side end of the roller 21 is provided with a circle of limiting protrusions for limiting the axial movement of the roller 2. .

When the device is used, the clamping device is firstly controlled to clamp the elbow, the starting motor 13 drives the driving gear to rotate, the driving gear drives the driven gear 9 to rotate, the driven gear 9 drives the roller 5 to synchronously rotate, the roller 5 drives the planetary gear 10 to rotate, the rotation of the planetary gear 10 is input into the turbine telescopic cutting device to drive the roller cutter 22 to feed and return, and meanwhile, the turbine telescopic cutting device is driven by the roller 2 to rotate, so that the roller cutter 22 can rotate around the elbow while feeding to realize quick cutting of the elbow, and meanwhile, the smoothness of a cut is ensured. The feed and retraction of the roller blade 22 can be controlled by controlling the forward and reverse rotation of the motor 13.

Claims

1. An elbow cutting machine used for cutting an elbow in the production process of pushing the elbow comprises a cuboid shell (1) and a roller (2) arranged in the shell (1), a driven gear (9) which is in contact with the excircle surface of the roller (2), is sleeved at the middle part of the excircle of the roller (2) and synchronously rotates with the roller, a driving gear engaged with the driven gear (9), a fixed gear (11) fixed on the inner wall of the shell (1), a turbine telescopic cutting device (3) arranged in the roller (2), a planetary gear (10) fixed on an input shaft of the turbine telescopic cutting device (3), and a motor (13) fixed to the outside of the housing (1), the drive gear being provided on an output shaft of the motor (13), the planetary gear (10) is meshed with a fixed gear (11), and the axes of the roller (2), the driven gear (9) and the fixed gear (11) are superposed; the turbine telescopic cutting device (3) comprises a circular ring partition plate (26) which is fixed in the middle of the inside of the roller (2) and is parallel to the end face of the roller, a turbine box (25) which is fixed on the circular ring partition plate (26), a screw rod (23) which is fixed on an output shaft of the turbine box (25), a threaded sleeve (24) which is in threaded connection with the screw rod (23), a sliding rail (12) which is arranged on the circular ring partition plate (26), and a roller cutter (22) which is arranged at the outer end of the threaded sleeve (24), wherein the threaded sleeve (24) slides on the sliding rail (12), the axis of the roller cutter (22) moves along the radial direction of the roller (2), the roller cutter (22) is positioned at the inner circular side of the circular ring partition plate (26), the planetary gear (10) is fixed on an input shaft of the turbine box (25), and hollow areas which are used for enabling elbows to pass through are arranged in the middle; the roller group comprises four rollers (21), and the four rollers (21) are uniformly distributed around the axis of the roller.

2. Elbow cutting machine according to claim 1, characterized in that the housing (1) is arranged on a slide (6), the slide (6) comprising a fixed plate (17) fixed under the ground, a first adjusting plate (16) movable longitudinally on the fixed plate (17), a second adjusting plate (15) movable laterally on the first adjusting plate (16), and a third adjusting plate (14) rotatable on the second adjusting plate (15), the fixed plate (17), the first adjusting plate (16), the second adjusting plate (15) and the third adjusting plate (14) being parallel to each other, the housing (1) being arranged on the third adjusting plate (14).

3. The elbow cutting-off machine according to claim 1, characterized by further comprising a clamping device for clamping an elbow, wherein the clamping device is arranged on the front side of the roller cutter (22), the clamping device comprises an upper telescopic clamping structure and a lower telescopic clamping structure which are symmetrically arranged, the top end of the upper telescopic clamping structure is fixed on the top of the shell (1), the bottom end of the lower telescopic clamping structure is fixed on the bottom of the shell (1), the telescopic clamping structures comprise a hydraulic cylinder (7) and a clamping groove (8) for clamping the elbow, the clamping groove (8) is arranged at the end of a piston rod of the hydraulic cylinder (7), the end of a cylinder body of the hydraulic cylinder (7) is fixed on the shell (1), and the section of the clamping groove (8) is arc-shaped.

4. An elbow cutting-off machine according to claim 1, characterized in that there are three said turbo-charged cutting means (3), and three turbo-charged cutting means (3) are uniformly distributed around the axis of the cylinder.

5. A machine for cutting bends according to claim 1, characterised in that said groups of rollers are two, one at each of the left and right ends of the cylinder (2).

6. The elbow cutting-off machine according to claim 1, characterized in that the outer end of the roller (21) is provided with a circle of limiting protrusions for limiting the axial movement of the roller (2).