CN213729892U

CN213729892U - Plasma cutting machine

Info

Publication number: CN213729892U
Application number: CN202022065866.4U
Authority: CN
Inventors: 马光耀
Original assignee: Hangzhou Longyao Power Accessories Co ltd
Current assignee: Hangzhou Longyao Power Accessories Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-07-20
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a plasma cutting machine, including the lathe bed, the top of lathe bed is equipped with cutting device, is equipped with the actuating mechanism that drive cutting device removed on the lathe bed, and cutting device sets up the cutting nozzle on the cutting seat including sliding the cutting seat that sets up on actuating mechanism, sliding, is equipped with the driving piece that drive cutting nozzle slided along vertical direction in the cutting seat, and the cutting nozzle dustcoat is equipped with the protection casing. This application utilizes the protection casing to cage the cutting nozzle through setting up the protection casing for the high temperature waste material that produces after the cutting strikes on the inside wall of protection casing, reduces the waste material and splashes to the staff, reduces the damage that the staff received, thereby has the effect that improves plasma cutting machine security.

Description

Plasma cutting machine

Technical Field

The application relates to the technical field of cutting equipment, in particular to a plasma cutting machine.

Background

The plasma cutting machine is a novel thermal cutting device, which uses compressed gas as working gas, high-temperature and high-speed plasma arc as a heat source, partially melts the cut steel plate, and simultaneously blows away the melted steel plate waste by high-speed airflow to form a narrow cut seam. And the cut steel plate is galvanized after polishing, welding and washing so as to reach the standard of normal use.

Relevant cutting machine is like a plasma cutting machine that publication number is CN203045205U discloses, including lathe bed and electric cabinet, the lathe bed top is equipped with cutting device, cutting device includes support frame, horizontal pole and cutting head, and the support frame is located the horizontal pole both ends, is connected with the spout post on the support frame, and the cutting head is installed on the horizontal pole, is connected with air supply unit on the cutting head, and it has the basin to open on the lathe bed face, equidistant a plurality of fences that are equipped with on the basin, and the lathe bed both sides are equipped with the gliding slide rail of cooperateing with the spout post, and the slide rail both ends are equipped with travel switch.

In the above-described related art, the inventors consider that: when cutting the steel sheet, the cutting head splashes around with the blowing of high velocity air flow with the waste material that the steel sheet cutting produced, and partly waste material splashes to making the splash around in the basin, and another part waste material splashes around under gaseous blowing, and the waste material after the high temperature melts splashes and causes the damage to the staff easily, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to improve the safety of a plasma cutting machine, the application aims to provide the plasma cutting machine.

The application provides a plasma cutting machine adopts following technical scheme:

the utility model provides a plasma cutting machine, includes the lathe bed, the top of lathe bed is equipped with cutting device, be equipped with the drive on the lathe bed cutting device removes's actuating mechanism, cutting device including slide set up in last cutting seat of actuating mechanism, slide set up in cutting nozzle on the cutting seat, be equipped with the drive in the cutting seat cutting nozzle follows the driving piece that vertical direction slided, the cutting nozzle dustcoat is equipped with the protection casing.

Through adopting above-mentioned technical scheme, when cutting the steel sheet, place the steel sheet on the lathe bed, start actuating mechanism, drive the cutting seat and remove in the top of steel sheet, restart the driving piece, with the cutting nozzle in the cutting seat towards the direction of steel sheet slip. Until cutting nozzle and steel sheet looks butt for cutting nozzle cuts the steel sheet, and the waste material that the cutting produced splashes landing to the upper surface of steel sheet behind the inside wall of protection casing, realizes that the protection casing blocks that the waste material splashes. Consequently, through setting up the protection casing, utilize the protection casing to cover the cutting nozzle for the high temperature waste material that produces after the cutting strikes on the inside wall of protection casing, reduces the waste material and splashes to the staff, reduces the damage that the staff received, thereby improves plasma cutting machine's security.

Optionally, the driving part comprises a first motor arranged on the cutting seat, a gear which is arranged in the cutting seat and coaxially connected with an output shaft of the first motor, and the cutting nozzle is arranged on the side wall in the cutting seat and is provided with a rack which is meshed with the gear.

Through adopting above-mentioned technical scheme, when drive cutting nozzle along vertical direction during upwards or the lapse, starter motor one drives gear revolve, and the gear drives the rack and slides in the cutting seat to drive cutting nozzle and do the up-and-down motion in the top of steel sheet, realize cutting nozzle towards being close to and keeping away from of steel sheet. Therefore, through the first motor, the vertical sliding of the cutting nozzle in the cutting seat is realized by utilizing the transmission of the gear and the rack, so that the steel plate can be cut by conveniently adjusting the height of the cutting nozzle.

Optionally, the driving mechanism comprises a cross beam sliding on the upper portion of the lathe bed, a screw rod rotatably arranged on the cross beam, and a second motor arranged on the cross beam and driving the screw rod to rotate, a through groove for sliding the cross beam is formed in the cutting seat, and the screw rod penetrates through the cutting seat and is in threaded connection with the inside of the cutting seat.

Through adopting above-mentioned technical scheme, when actuating mechanism drove the cutting seat and removes, starter motor two drives the lead screw and rotates to drive threaded connection and remove along the crossbeam in the cutting seat on the lead screw, and make the crossbeam slide in the logical inslot of cutting seat. And then the motor is started to drive the cutting nozzle to move towards the steel plate, so that the cutting nozzle can cut the steel plate. Consequently, through setting up the crossbeam, utilize the motor to drive the lead screw and rotate, realize cutting nozzle on the cutting seat and cut the steel sheet after the lateral shifting on the steel sheet to be convenient for control cutting nozzle is to the lateral shifting of steel sheet.

Optionally, slide rails are arranged on two sides of the lathe bed, and first sliding grooves for the slide rails to slide are formed in two ends of the cross beam.

Through adopting above-mentioned technical scheme, when actuating mechanism drives the cutting seat and removes, promote the crossbeam for the slide rail of lathe bed both sides slides in spout one, and the position that needs the cutting is aimed at to the cutting nozzle, realizes the removal to whole crossbeam. Therefore, through the matching of the sliding rail and the first sliding groove, the longitudinal movement of the beam on the lathe bed is realized by the guide of the sliding rail, so that the longitudinal cutting of the steel plate by the cutting nozzle is conveniently controlled.

Optionally, the confession has been seted up to the upper surface of protection casing the through-hole that the cutting nozzle slided, the cutting nozzle is kept away from the tip of cutting seat is located in the protection casing, the cover is equipped with on the cutting nozzle and is located the cutting seat with fixed plate between the protection casing, the upper surface of protection casing with be equipped with a plurality of springs between the lower surface of fixed plate, the lower surface butt of protection casing is on the steel sheet.

Through adopting above-mentioned technical scheme, when using the cutting nozzle to cut the steel sheet, motor one starts, and gear revolve drives the rack and removes towards the direction of steel sheet, and the cutting nozzle drives fixed plate, spring and protection casing and removes towards the steel sheet. Until the one end and the steel sheet looks butt of keeping away from the cutting seat on the protection casing, the gear continues to rotate, drives the cutting nozzle and continues to remove towards the steel sheet, and the protection casing makes the spring receive the compression with the steel sheet butt, and the cutting nozzle slips in the through-hole. And until the cutting nozzle is contacted with the steel plate and cut, the protective cover covers the cutting position of the cutting nozzle and the steel plate, so that the protective cover blocks the steel plate waste. Consequently, through the cooperation that sets up fixed plate and spring, utilize protection casing and steel sheet butt, realize cutting nozzle cutting in-process protection casing and cover the cutting nozzle cage all the time, reduce splashing of steel sheet waste material, the increase protection casing shelters from the area that the steel sheet splashes.

Optionally, the protective cover is kept away from the annular groove has been seted up on the terminal surface of cutting seat one end, the embedded ball that is equipped with a plurality of and steel sheet inconsistent of annular.

Through adopting above-mentioned technical scheme, when protection casing and steel sheet looks butt, ball and the steel sheet contact on the protection casing. The ball rotates along with the movement of the cutting nozzle on the steel plate, so that the protective cover moves along with the cooling nozzle more smoothly, and the protective cover moves on the steel plate. Consequently through setting up the ball, utilize the ball to contact with the steel sheet, the area of contact of terminal surface and steel sheet under the reduction protection casing to reduce the frictional force between protection casing and the steel sheet, so that the cooling mouth moves and cuts on the steel sheet.

Optionally, a groove for placing the steel plate is formed in the bed body, ventilation openings communicated with the inside of the groove are formed in the side walls of the two sides of the bed body, and exhaust fans are arranged on the ventilation openings.

Through adopting above-mentioned technical scheme, when the cutting nozzle cuts the steel sheet, the steel sheet waste material that the cutting produced partly splashes to the inside wall of protection casing on, in the high-pressure draught that another part waste material blew off along with the cutting nozzle got into the recess of steel sheet below for be full of steel sheet waste material or smoke and dust in the recess. Air in the groove is pumped out by the exhaust fan on the lathe bed, negative pressure is formed in the groove, and the steel plate waste materials splashed during cutting are gathered towards the interior of the groove by the suction force of the negative pressure, so that the collection of the steel plate waste materials is realized. Consequently through setting up the air exhauster, utilize the steel sheet to cover on the recess for comparatively airtight in the recess, the air exhauster starts to be the negative pressure in making the recess, inhales the steel sheet waste material that will cut the production to the recess in, thereby reduces splashing of steel sheet waste material, so that the collection of steel sheet waste material.

Optionally, two opposite groove walls of the groove are provided with second sliding grooves for sliding of the steel plate.

Through adopting above-mentioned technical scheme, when placing the steel sheet on the lathe bed, slide the steel sheet in the recess in the spout two to with the recess shutoff, realize the lathe bed to the fixed of steel sheet. Consequently through setting up spout two, utilize the injecing of two pairs of steel sheets of spout, when the shutoff recess, the rocking that the steel sheet produced when reducing the cutting steel sheet to improve the stability of cutting the steel sheet.

Optionally, one side of the groove facing the cutting seat is provided with a plurality of air cylinders, air cylinder piston rods penetrate through the second sliding groove, one end of each air cylinder piston rod penetrates through the second sliding groove and is fixedly connected with a butting block, and the butting blocks are used for butting against the steel plate in the second sliding groove.

Through adopting above-mentioned technical scheme, when installing the steel sheet on the lathe bed, slide the steel sheet in the recess from two spouts, carry out the transverse direction to the steel sheet and fix. And the cylinder is started again, and a piston rod of the cylinder pushes the abutting block to abut the steel plate in the second sliding groove, so that the steel plate is fixed in the longitudinal direction. Consequently through setting up the butt piece, utilize the promotion of cylinder for the butt piece supports tight steel sheet in spout two, and the longitudinal sliding that the steel sheet produced when reducing the steel sheet cutting further improves the stability of cutting the steel sheet.

In summary, the present application includes at least one of the following beneficial technical effects:

through the arrangement of the protective cover, high-temperature waste generated after cutting is impacted on the inner side wall of the protective cover, the waste is reduced from splashing to workers, damage to the workers is reduced, and therefore the safety of the plasma cutting machine is improved;

through the matching of the fixed plate and the spring, the cutting nozzle is always covered by the protective cover in the cutting process of the cutting nozzle, so that the splashing of steel plate waste is reduced, and the splashing area of the steel plate shielded by the protective cover is increased;

the exhaust fan is arranged to enable the interior of the groove to be in a negative pressure state, and the steel plate waste generated by cutting is sucked into the groove, so that splashing of the steel plate waste is reduced, and the steel plate waste is conveniently collected;

through setting up the butt joint piece for the steel sheet supports tightly in spout two, and the steel sheet produces when reducing the steel sheet cutting vertically slides, thereby improves the stability of cutting the steel sheet.

Drawings

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

Fig. 2 is a schematic cross-sectional structure diagram of a cutting device according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a bed body; 11. a slide rail; 12. a groove; 121. a second chute; 122. a cylinder; 123. a piston rod; 124. a butting block; 125. a steel plate; 13. a vent; 131. an exhaust fan; 2. a cutting device; 21. a cutting seat; 211. a through groove; 22. a cutting nozzle; 221. a protective cover; 2211. a through hole; 2212. a ring groove; 2213. a ball bearing; 222. a rack; 223. a fixing plate; 224. a spring; 3. a drive mechanism; 31. a cross beam; 311. a first sliding chute; 32. a screw rod; 33. a second motor; 4. a drive member; 41. a first motor; 42. a gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a plasma cutting machine.

Referring to fig. 1, the plasma cutting machine comprises a rectangular bed 1, slide rails 11 are fixedly connected to two sides of the bed 1, a cutting device 2 for cutting a steel plate 125 is installed right above the bed 1, and a driving mechanism 3 for driving the cutting device 2 to move slides on the slide rails 11.

Referring to fig. 1, the driving mechanism 3 includes a cross beam 31 sliding on the slide rails 11 on both sides of the bed 1, a screw rod 32 rotatably connected to the cross beam 31, and a second motor 33 fixedly connected to an end surface of the cross beam 31 for driving the screw rod 32 to rotate. The beam 31 is positioned above the bed body 1 and is vertical to the length direction of the bed, and the cutting device 2 is connected to the screw rod 32 in a threaded mode.

Referring to fig. 1, the axial direction of the screw rod 32 is parallel to the length direction of the cross beam 31, and one end of the screw rod 32 close to the second motor 33 penetrates through the side wall of the cross beam 31 to be coaxially connected with the output shaft of the second motor 33. The end surfaces of the two ends of the cross beam 31 facing the slide rail 11 are provided with a first sliding chute 311 for the slide rail 11 to slide.

When the cutting device 2 is moved, the cross beam 31 is pushed, and the sliding rail 11 slides in the first sliding groove 311, so that the cross beam 31 drives the cutting device 2 to slide along the length direction of the sliding rail 11, and the cutting on the longitudinal direction of the steel plate 125 is realized. And starting the second motor 33, driving the screw rod 32 to rotate by the second motor 33, and driving the cutting device 2 which is in threaded connection with the screw rod 32 to move along the direction vertical to the length of the guide rail 11 by the rotation of the screw rod 32 to cut the steel plate 125 in the transverse direction.

Referring to fig. 1, cutting device 2 includes a cutting block 21 slidably coupled to a cross member 31, and a cutting nozzle 22 slidably coupled to the interior of cutting block 21. The cutting base 21 is provided with a through groove 211 for the beam 31 to penetrate and slide, the wall of the through groove 211 is attached to two side walls of the beam 31, the screw rod 32 penetrates through the cutting base 21 and is in threaded connection with the cutting base 21, and the screw rod 32 is located above the through groove 211.

Referring to fig. 1 and 2, the cutting nozzle 22 extends vertically through the cutting base 21 in the direction of the bed 1, and the cutting nozzle 22 is located on the cutting base 21 on the side of the beam 31. The cutting seat 21 is provided with a driving part 4 for driving the cutting nozzle 22 to slide along the vertical direction, and the driving part 4 comprises a first motor 41 fixedly connected to the side wall of the cutting seat 21 and a gear 42 which is rotatably connected in the cutting seat 21 and coaxially connected with an output shaft of the first motor 41.

Referring to fig. 1 and 2, the first motor 41 is located on the side wall of the cutting block 21 close to the cross beam 31, and the rack 222 engaged with the gear 42 is fixedly connected to the side wall of the cutting nozzle 22 sliding in the cutting block 21. The side wall of the cutting nozzle 22 below the cutting base 21 is fixedly connected with a fixing plate 223, and the end surface of the fixing plate 223 opposite to the cutting base 21 is fixedly connected with a plurality of springs 224.

Referring to fig. 2, a plurality of springs 224 are uniformly arranged along the circumferential direction of the cutting nozzle 22, one end of the spring 224, which is far away from the fixing plate 223, is fixedly connected with a protective cover 221, which is sleeved on the cutting nozzle 22, a through hole 2211 for the cutting nozzle 22 to slide is provided on the upper end face of the protective cover 221, one end of the spring 224, which is far away from the fixing plate 223, is fixedly connected to the upper end face of the protective cover 221, and one end of the cutting nozzle 22, which is far away from the cutting base 21, extends into the protective cover 221.

Referring to fig. 1 and 3, a lower end surface of the protective cover 221 abuts against an upper surface of the steel plate 125, an annular groove 2212 is formed in an end surface of the protective cover 221 away from one end of the cutting seat 21, a plurality of balls 2213 abutting against the steel plate 125 are embedded in the annular groove 2212, and the balls 2213 are uniformly arranged in the annular groove 2212 along the circumferential direction of the cutting nozzle 22.

When the steel plate 125 is cut, after the position of the cutting device 2 is moved, the first starting motor 41 drives the gear 42 to rotate, and drives the rack 222 engaged with the gear 42 to move towards the direction of the steel plate 125, so that the cutting nozzle 22 drives the fixing plate 223, the spring 224 and the protective cover 221 to move towards the direction of the steel plate 125 together. Until the ball 2213 is abutted to the steel plate 125, the gear 42 continues to rotate to drive the cutting nozzle 22 to continue to move towards the steel plate 125, so that the cutting nozzle 22 slides in the through hole 2211, the distance between the fixing plate 223 and the protective cover 221 is reduced, and the spring 224 is compressed. Until the end part of the cutting nozzle 22 far away from the cutting seat 21 abuts against the steel plate 125 and cuts the steel plate 125, the cutting nozzle 22 moves on the steel plate 125 along with the transmission of the cross beam 31 and the screw rod 32. The protection casing 221 covers the cutting position of the cutting nozzle 22 on the steel plate 125 through rolling of the ball 2213, blocking of the protection casing 221 on the steel plate 125 waste is achieved, the waste is reduced to splash to workers, damage to the workers is reduced, and therefore safety of the plasma cutting machine is improved.

Referring to fig. 1 and 4, a groove 12 for accommodating the steel plate 125 is formed in the bed 1, two opposite groove walls of the groove 12 in the length direction of the bed 1 are provided with a second sliding groove 121 for the steel plate 125 to be placed in and slide, the second sliding groove 121 extends along the length direction of the bed 1, and the second sliding groove 121 penetrates through the groove wall of the groove 12 adjacent to the sliding rail 11.

Referring to fig. 4, a plurality of air cylinders 122 are fixedly connected to the upper end surface of the groove 12, and the air cylinders 122 are uniformly arranged along the length direction of the bed 1. The piston rod 123 of the air cylinder 122 penetrates through the end face of the groove 12 and extends into the second sliding groove 121, the end part of the piston rod 123 of the air cylinder 122 extending into the second sliding groove 121 is fixedly connected with a butting block 124, and the end face of the butting block 124, back to the air cylinder 122, is butted against the upper end face of the steel plate 125.

Referring to fig. 1, two opposite groove walls of the groove 12 in the width direction of the bed 1 are provided with a vent 13 communicating the inside of the groove 12, and an exhaust fan 131 is fixedly connected in the vent 13.

When the steel plate 125 is placed on the lathe bed 1, the steel plate 125 slides into the groove 12 from the second sliding groove 121 to seal the groove 12. And starting the air cylinder 122, the piston rod 123 pushes the abutting block 124 in the second sliding groove 121 to abut the steel plate 125 against the groove wall of the second sliding groove 121, so that the steel plate 125 is fixed on the bed body 1. And then the exhaust fan 131 is started to exhaust the air in the groove 12 towards the outside of the lathe bed 1, so that the inside of the groove 12 is in negative pressure, and the waste materials generated by the cutting nozzle 22 cutting the steel plate 125 are gathered towards the inside of the groove 12 by the suction force in the groove 12, thereby realizing the collection of the waste materials of the steel plate 125.

The implementation principle of the plasma cutting machine in the embodiment of the application is as follows: when the steel plate 125 is cut, the position of the cutting nozzle 22 on the steel plate 125 in the length direction is adjusted by pushing the cross beam 31 to slide on the slide rail 11. And starting a second motor 33, and adjusting the position of the cutting nozzle 22 on the steel plate 125 in the width direction by using the transmission of the screw rod 32 to the cutting seat 21. Restart motor 41 again, transmission through gear 42 rack 222, remove cutting nozzle 22 towards steel sheet 125, utilize the butt of protection casing 221 to steel sheet 125, cutting nozzle 22 continues to move until in steel sheet 125 butt, the compression of rethread spring 224, make cutting nozzle 22 be in protection casing 221 all the time to the in-process of steel sheet 125 cutting, realize that protection casing 221 blocks the steel sheet 125 waste material, reduce the waste material and splash to the staff, reduce the damage that the staff received, thereby improve plasma cutting machine's security.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A plasma cutting machine is characterized in that: including lathe bed (1), the top of lathe bed (1) is equipped with cutting device (2), be equipped with the drive on lathe bed (1) actuating mechanism (3) that cutting device (2) removed, cutting device (2) including slide set up in cutting seat (21) on actuating mechanism (3), slide set up in cutting nozzle (22) on cutting seat (21), be equipped with the drive in cutting seat (21) cutting nozzle (22) are along driving piece (4) that vertical direction slided, cutting nozzle (22) dustcoat is equipped with protection casing (221).

2. The plasma cutter according to claim 1, characterized in that: the driving piece (4) comprises a first motor (41) arranged on the cutting seat (21), a gear (42) which is arranged in the cutting seat (21) and coaxially connected with an output shaft of the first motor (41), and a cutting nozzle (22) is arranged on the side wall in the cutting seat (21) and is provided with a rack (222) meshed with the gear (42).

3. The plasma cutter according to claim 1, characterized in that: the driving mechanism (3) comprises a cross beam (31) sliding on the upper portion of the lathe bed (1), a screw rod (32) rotatably arranged on the cross beam (31), and a second motor (33) arranged on the cross beam (31) and driving the screw rod (32) to rotate, a through groove (211) for sliding the cross beam (31) is formed in the cutting seat (21), and the screw rod (32) penetrates through the cutting seat (21) and is in threaded connection with the inside of the cutting seat (21).

4. A plasma cutter according to claim 3, characterized in that: slide rails (11) are arranged on two sides of the lathe bed (1), and first sliding grooves (311) for the slide rails (11) to slide are formed in two ends of the cross beam (31).

5. The plasma cutter according to claim 1, characterized in that: the confession has been seted up to the upper surface of protection casing (221) through-hole (2211) that cutting nozzle (22) slided, cutting nozzle (22) are kept away from the tip of cutting seat (21) is located in protection casing (221), the cover is equipped with on cutting nozzle (22) and is located cutting seat (21) with fixed plate (223) between protection casing (221), the upper surface of protection casing (221) with be equipped with a plurality of springs (224) between the lower surface of fixed plate (223), the lower surface butt of protection casing (221) is on steel sheet (125).

6. The plasma cutter according to claim 5, wherein: the protective cover (221) is far away from the end face of one end of the cutting seat (21), an annular groove (2212) is formed in the end face, and a plurality of balls (2213) which are inconsistent with the steel plate (125) are embedded in the annular groove (2212).

7. The plasma cutter according to claim 1, characterized in that: the steel plate cutting machine is characterized in that a groove (12) for placing a steel plate (125) is formed in the machine body (1), a ventilation opening (13) communicated with the groove (12) is formed in the side wall of the machine body (1), and an exhaust fan (131) is arranged on the ventilation opening (13).

8. The plasma cutter according to claim 7, wherein: and two opposite groove walls of the groove (12) are provided with a second sliding groove (121) for the sliding of the steel plate (125).

9. The plasma cutter according to claim 8, wherein: one side of the groove (12) facing the cutting seat (21) is provided with a plurality of air cylinders (122), piston rods (123) of the air cylinders (122) penetrate through the second sliding groove (121), one end of each piston rod (123) of each air cylinder (122) penetrates through the second sliding groove (121) and is fixedly connected with a butting block (124), and the butting block (124) is used for butting against a steel plate (125) in the second sliding groove (121).