CN112846871B

CN112846871B - Cutting machine that cutting accuracy is high

Info

Publication number: CN112846871B
Application number: CN202011641013.9A
Authority: CN
Inventors: 鄢绪波
Original assignee: Kingway Chenzhou Electronic Co ltd
Current assignee: Kingway Chenzhou Electronic Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-05-06
Anticipated expiration: 2040-12-31
Also published as: CN112846871A

Abstract

The invention discloses a cutting machine with high cutting precision, which comprises a fixed seat, wherein stand columns are connected to four corners of the bottom of the fixed seat, guide rails are symmetrically connected to the left side wall and the right side wall of the fixed seat, a portal frame is connected between the two groups of guide rails in a sliding manner, a linear motor is arranged on the guide rails, the movable end of the linear motor is fixedly connected with the portal frame, the top of the inner wall of the portal frame is connected with a limiting shell, a lead screw is rotatably connected in the limiting shell, the end part of the lead screw is connected with a lead screw motor, a nut seat is screwed on the outer wall of the lead screw, the bottom of the nut seat is connected with an electric push rod, the lower end of the electric push rod is connected with an installation frame, a cutting motor is fixedly connected to the installation frame, and the output end of the cutting motor is connected with a cutting disc; the workpiece clamping device is reasonable in structural design, can stably clamp a workpiece, avoids shaking generated in the cutting process, further improves the fixing effect of the workpiece, and is beneficial to improving the cutting precision of the workpiece.

Description

Cutting machine that cutting accuracy is high

Technical Field

The invention relates to the technical field of relevant equipment of cutting machines, in particular to a cutting machine with high cutting precision.

Background

Cutting is a physical action. Cutting in the narrow sense means cutting an object such as food, wood or the like having a low hardness with a sharp tool such as a knife; cutting in the broad sense means breaking an object under pressure or high temperature by means of a tool, such as a machine tool, a flame, etc. The term "cut line" is also used in mathematics to mean a straight line that divides a plane into several parts. The cutting has important function in production and life of people.

The cutting machine is widely applied to metal and nonmetal industries, the cutting machine is a device capable of changing the shape of an object, the requirements on cutting quality and precision are continuously improved along with the development of the modern machining industry, but when the current cutting machine is used for cutting a workpiece, the workpiece is easy to shake, so that the problem of low cutting precision is caused, and the use is inconvenient. Therefore, a cutting machine with high cutting precision is provided.

Disclosure of Invention

The invention aims to provide a cutting machine with high cutting precision, which aims to overcome the technical problems in the prior art.

In order to achieve the technical purpose and achieve the technical effect, the invention provides the following technical scheme:

the utility model provides a cutting machine that cutting accuracy is high, includes the fixing base, the bottom four corners of fixing base is connected with the stand, the left and right sides wall symmetric connection of fixing base has the guide rail, and is two sets of sliding connection has the portal frame between the guide rail, be equipped with linear electric motor on the guide rail, linear electric motor's expansion end rigid coupling portal frame, the inner wall top of portal frame is connected with spacing shell, spacing shell internal rotation is connected with the lead screw, lead screw end connection has the lead screw motor, lead screw outer wall spiro union has the nut seat, the bottom of nut seat is connected with electric putter, electric putter's lower extreme is connected with the mounting bracket, fixedly connected with cutting motor on the mounting bracket, the output of cutting motor is connected with the cutting dish.

Preferably, in the cutting machine that cutting accuracy is high, the circular recess has been seted up at the top of fixing base, the inner chamber bottom of circular recess is rotated and is connected with the back shaft, the top of back shaft is connected with the workstation, the circumference lateral wall of back shaft is connected with the worm wheel, the fixing base left part is rotated and is connected with the steering spindle, the left end of steering spindle is connected with first hand wheel, the one end that the steering spindle stretches into the circular recess is connected with the worm, the worm wheel is connected in the worm meshing.

Preferably, in the cutting machine with high cutting precision, four groups of guide grooves are formed in the circumferential direction of the table top of the workbench, a sliding block is connected in the guide grooves in a sliding mode, the top of the sliding block is connected with a limiting block, the bottom of the sliding block is rotatably connected with a vertical shaft, and the lower end of the vertical shaft is connected with a retaining ring.

Preferably, in the cutting machine that cutting accuracy is high, the bottom of fixing base is connected with places the frame, place fixedly connected with stock solution box in the frame, one side fixedly connected with cylinder in the stock solution box, cylinder output fixedly connected with piston, piston seal sliding connection is in the stock solution box, the piston is kept away from and is contained the electrorheological fluids in cylinder one side and the stock solution box confined stock solution space.

Preferably, in the cutting machine that cutting accuracy is high, it is connected with the rope sling to place the frame lower extreme rotation, the lower extreme that the frame was placed in stretching out of the rope sling is connected with the second hand wheel, fixedly connected with piezoelectric patches on the rope sling, the piezoelectric patches top is equipped with the rope bag, the Y-shaped groove has been seted up in the back shaft, the rope bag runs through after buckle and the Y-shaped groove and gathers together and coils on the rope sling, the rope bag lateral wall is embedded to have two electrode slices of elasticity inner frame and fixedly connected with, the rope bag tip is through rope sling and the interior liquid storage space intercommunication of liquid reserve box.

Preferably, in the cutting machine with high cutting precision, the sliding block is an I-shaped block, and the inner wall of the guide groove is connected with a sliding strip matched with the sliding block.

Preferably, in the cutting machine with high cutting accuracy, a sealing ring is connected to the outer side wall of the workbench and abuts against the inner wall of the circular groove.

Preferably, in the cutting machine with high cutting precision, the outer wall of the fixed seat is connected with a controller.

Compared with the prior art, the invention has the beneficial effects that:

1. the cutting machine is reasonable in structural design, when a workpiece to be cut is fixed, the workpiece is placed on the surface of a workbench, four groups of limiting blocks are positioned around the workpiece, a rope bag penetrates through a retaining ring and a Y-shaped groove to form a rope ring, the rope bag is wound by a rope frame and is folded, four groups of sliding blocks are close to the workpiece along a guide groove to be clamped, two electrode plates in the rope bag are conducted by a controller, electrorheological fluid in the rope bag generates liquid-solid phase change under the action of a certain electric field, so that the structure of the rope bag is solidified, the positions of the limiting blocks are kept fixed, the workpiece can be stably clamped, and the workpiece is prevented from shaking in the cutting process;

2. the size of a rope loop can be adjusted within a certain range by the rope bag, when the length of the rope bag is adjusted to fix a workpiece, the rope bag is drawn out along the upper end of the Y-shaped groove along with the length of the rope bag, the rope bag on the rope frame placed in the frame is gradually reduced, the pressure on the rope frame is reduced, the pressure change is converted into an electric signal by the piezoelectric plate on the rope frame and is transmitted to the controller, the controller controls the extension of the output end of the cylinder in the liquid storage box, the piston is pushed to extrude partial electrorheological fluid in the liquid storage box into the rope bag communicated with the liquid storage box, the rope bag is expanded, and the electrorheological fluid in the rope bag is increased to improve the yield strength when the rope loop formed by the rope bag is solidified, so that the adaptive change of the fixing effect is formed on workpieces with different sizes, and the fixing effect on the workpieces is further improved;

according to the invention, after a workpiece is fixed, the linear motor is started, the portal frame can longitudinally move along the guide rail, so that the longitudinal position of the cutting disc is adjusted, the lead screw is driven to rotate by the lead screw motor, the nut seat can horizontally move along the limiting shell, so that the transverse position of the cutting disc is adjusted, the height of the mounting frame can be adjusted by the electric push rod, the cutting disc is driven to rotate by the cutting motor, different positions of the workpiece can be conveniently cut, the use is more convenient, the worm is meshed with the transmission worm gear, the support shaft can drive the workbench to rotate, the cutting angle of the workpiece can be conveniently adjusted, the deflection of the workbench during working can be avoided by utilizing the self-locking effect of the worm gear, the stability of the device is further improved, and the cutting precision of the workpiece is favorably improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

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

FIG. 2 is a schematic view of the internal structure of the fixing base of the present invention;

FIG. 3 is a top view of the table of the present invention;

FIG. 4 is a schematic view of the internal structure of the placement frame of the present invention;

FIG. 5 is a schematic view showing the internal structure of the support shaft according to the present invention;

FIG. 6 is a schematic structural view of a guide groove in the present invention;

fig. 7 is a schematic view showing the internal structure of the rope bag of the present invention.

In the figure: 1. a fixed seat; 2. a column; 3. a guide rail; 4. a gantry; 5. a linear motor; 6. a limiting shell; 7. a screw rod; 8. a screw motor; 9. a nut seat; 10. an electric push rod; 11. a mounting frame; 12. cutting the motor; 13. cutting the disc; 14. a circular groove; 15. a support shaft; 16. a work table; 17. a worm gear; 18. a steering shaft; 19. a first hand wheel; 20. a worm; 21. a guide groove; 22. a slider; 23. a limiting block; 24. a vertical axis; 25. a retaining ring; 26. placing the frame; 27. a liquid storage box; 28. a cylinder; 29. a piston; 30. a rope bag; 31. an elastic inner skeleton; 32. an electrode sheet; 33. a rope frame; 34. a second hand wheel; 35. a piezoelectric sheet; 36. a Y-shaped groove; 101. a controller; 161. a seal ring; 211. and (4) a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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.

Please refer to fig. 1-7, the present embodiment is a cutting machine with high cutting precision, which includes a fixing base 1, four corners of the bottom of the fixing base 1 are connected with columns 2, two left and right side walls of the fixing base 1 are symmetrically connected with guide rails 3, a gantry 4 is slidably connected between two sets of guide rails 3, a linear motor 5 is arranged on the guide rails 3, a movable end of the linear motor 5 is fixedly connected with the gantry 4, the top of the inner wall of the gantry 4 is connected with a limiting shell 6, a lead screw 7 is rotatably connected in the limiting shell 6, the end of the lead screw 7 is connected with a lead screw motor 8, the outer wall of the lead screw 7 is screwed with a nut seat 9, the bottom of the nut seat 9 is connected with an electric push rod 10, the lower end of the electric push rod 10 is connected with a mounting frame 11, a cutting motor 12 is fixedly connected on the mounting frame 11, and the output end of the cutting motor 12 is connected with a cutting disc 13.

Circular recess 14 has been seted up at the top of fixing base 1, and the inner chamber bottom of circular recess 14 rotates and is connected with back shaft 15, and the top of back shaft 15 is connected with workstation 16, and the circumference lateral wall of back shaft 15 is connected with worm wheel 17, and fixing base 1 left part rotates and is connected with steering spindle 18, and the left end of steering spindle 18 is connected with first hand wheel 19, and the one end that steering spindle 18 stretched into circular recess 14 is connected with worm 20, and worm 20 meshes and connects worm wheel 17.

Four groups of guide grooves 21 are formed in the circumferential direction of the table top of the workbench 16, a sliding block 22 is connected in the guide grooves 21 in a sliding mode, the top of the sliding block 22 is connected with a limiting block 23, the bottom of the sliding block 22 is rotatably connected with a vertical shaft 24, and the lower end of the vertical shaft 24 is connected with a retaining ring 25.

The bottom of fixing base 1 is connected with places frame 26, places frame 26 internal fixation and is connected with stock solution box 27, one side fixedly connected with cylinder 28 in the stock solution box 27, and cylinder 28 output end fixedly connected with piston 29, piston 29 sealing sliding connection contain the electrorheological fluids in the stock solution box 27, and piston 29 keeps away from cylinder 28 one side and holds electrorheological fluids in the stock solution space that the stock solution box 27 encloses, removes through piston 29, can carry out the propelling movement to the electrorheological fluids.

Place frame 26 lower extreme and rotate and be connected with rope frame 33, the lower extreme that rope frame 33 stretched out and place frame 26 is connected with second hand wheel 34, fixedly connected with piezoelectric patches 35 on the rope frame 33, be equipped with rope bag 30 above piezoelectric patches 35, Y-shaped groove 36 has been seted up in the back shaft 15, rope bag 30 runs through after buckle 25 and the Y-shaped groove 36 and gathers together and coil on rope frame 33, rope bag 30 lateral wall is embedded to have two electrode slices 32 of elasticity inner frame 31 and fixedly connected with, rope bag 30 tip passes through rope frame 33 and the interior liquid storage space intercommunication of liquid storage box 27, can make the electrorheological fluids fill to inside rope bag 30.

Slider 22 adopts the I-shaped piece, and the guide way 21 inner wall is connected with slider 22 matched with draw runner 211, can reach spacing guide effect for slider 22 steadily slides along guide way 21.

The outer side wall of the workbench 16 is connected with a sealing ring 161, the sealing ring 161 is abutted against the inner wall of the circular groove 14, the sealing effect can be achieved, and cutting waste chips are prevented from entering.

The outer wall of the fixing seat 1 is connected with a controller 101, so that the operation of the electrical component can be controlled conveniently.

The specific implementation manner of this embodiment is:

when the device is used, a power supply is externally connected, a fixed seat 1 is supported and fixed through a stand column 2, a workpiece to be cut is arranged on the surface of a workbench 16, four groups of limiting blocks 28 are positioned on the periphery of the workpiece, a rope frame 33 is rotated through a second hand wheel 34, a rope bag 30 is wound through the rope frame 33, the rope bag 30 penetrates through a retaining ring 25 and a Y-shaped groove 36 to form a rope ring, the retaining ring 25 is rotatably connected with a sliding block 22 through a vertical shaft 24 and can freely rotate to avoid blocking the rope bag 30, the rope ring is folded during winding, the four groups of sliding blocks 22 approach along a guide groove 21 after being stressed, the limiting blocks 23 can be attached to the workpiece for clamping, two electrode plates 32 in the rope bag 30 are controlled by a controller 101 to be conductive to form an electric field, electrorheological fluid in the rope bag 30 generates liquid-solid phase change under the action of a certain electric field, the structure of the rope bag 30 is solidified, the positions of the limiting blocks 23 are kept fixed, and the workpiece can be stably clamped, the shaking generated in the cutting process is avoided;

the size of the rope bag 30 can be adjusted within a certain range, when the length of the rope bag 30 is adjusted to fix a workpiece, the rope bag 30 placed on the rope frame 33 in the frame 26 is gradually reduced along with the fact that the rope bag 30 is drawn out along the upper end of the Y-shaped groove 36, the pressure on the rope frame 33 is reduced, the piezoelectric sheet 35 on the rope frame 33 converts pressure change into an electric signal and transmits the electric signal to the controller 101, the controller 101 controls the extension of the output end of the cylinder 28 in the liquid storage box 27, the piston 29 is pushed to extrude partial electrorheological fluid in the liquid storage box 27 into the rope bag 30 communicated with the liquid storage box, the rope bag 30 is expanded, the electrorheological fluid in the rope bag 30 is increased when the rope ring formed by the rope bag 30 is solidified so as to improve the yield strength, therefore, adaptive change of fixing effects is formed on workpieces of different sizes, and the fixing effects on the workpiece are further improved;

the work piece starts linear electric motor 5 after fixed, 3 longitudinal movement of guide rail can be followed to portal frame 4, thereby adjust the longitudinal position of cutting dish 13, it rotates to drive lead screw 7 through lead screw motor 8, nut seat 9 can be along 6 horizontal migration of spacing shell, thereby adjust the transverse position of cutting dish 13, can adjust the height of mounting bracket 11 through electric putter 10, it is rotatory to utilize cutting motor 12 to drive cutting dish 13, be convenient for cut the different positions of work piece, it is more convenient to use, it rotates to drive steering spindle 18 through first hand wheel 19, make worm 20 mesh transmission worm wheel 17, can make back shaft 15 drive workstation 16 and rotate, be convenient for adjust the cutting angle of work piece, utilize worm wheel 17's 20 auto-lock effect, can avoid workstation 16 during operation to deflect, the stability of device has further been improved, be favorable to promoting the cutting precision of work piece.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a cutting machine that cutting accuracy is high, includes fixing base (1), its characterized in that: the device is characterized in that stand columns (2) are connected to four corners of the bottom of the fixing seat (1), guide rails (3) are symmetrically connected to two left and right side walls of the fixing seat (1), a portal frame (4) is connected between the two groups of guide rails (3) in a sliding manner, a linear motor (5) is arranged on each guide rail (3), the movable end of each linear motor (5) is fixedly connected with the portal frame (4), the top of the inner wall of each portal frame (4) is connected with a limiting shell (6), a lead screw (7) is rotationally connected with the limiting shell (6), a lead screw motor (8) is connected to the end of each lead screw (7), a nut seat (9) is screwed on the outer wall of each lead screw (7), an electric push rod (10) is connected to the bottom of the nut seat (9), an installation frame (11) is connected to the lower end of each electric push rod (10), and a cutting motor (12) is fixedly connected to the installation frame (11), the output end of the cutting motor (12) is connected with a cutting disc (13); the top of the fixed seat (1) is provided with a circular groove (14), the bottom of an inner cavity of the circular groove (14) is rotatably connected with a supporting shaft (15), the top of the supporting shaft (15) is connected with a workbench (16), the circumferential outer side wall of the supporting shaft (15) is connected with a worm wheel (17), the left part of the fixed seat (1) is rotatably connected with a steering shaft (18), the left end of the steering shaft (18) is connected with a first hand wheel (19), one end, extending into the circular groove (14), of the steering shaft (18) is connected with a worm (20), and the worm (20) is meshed with the worm wheel (17); four groups of guide grooves (21) are formed in the circumferential direction of the table top of the workbench (16), a sliding block (22) is connected in the guide grooves (21) in a sliding mode, the top of the sliding block (22) is connected with a limiting block (23), the bottom of the sliding block (22) is rotatably connected with a vertical shaft (24), and the lower end of the vertical shaft (24) is connected with a retaining ring (25); the bottom of the fixed seat (1) is connected with a placing frame (26), a liquid storage box (27) is fixedly connected in the placing frame (26), an air cylinder (28) is fixedly connected to one side in the liquid storage box (27), a piston (29) is fixedly connected to the output end of the air cylinder (28), the piston (29) is connected in the liquid storage box (27) in a sealing and sliding mode, and electrorheological fluid is contained in a liquid storage space which is surrounded by one side, far away from the air cylinder (28), of the piston (29) and the liquid storage box (27); it is connected with rope frame (33) to place frame (26) lower extreme rotation, the lower extreme that stretches out to place frame (26) of rope frame (33) is connected with second hand wheel (34), fixedly connected with piezoelectric patches (35) are gone up in rope frame (33), piezoelectric patches (35) top is equipped with rope bag (30), Y-shaped groove (36) have been seted up in back shaft (15), rope bag (30) run through behind buckle (25) and Y-shaped groove (36) and close up and coil on rope frame (33), rope bag (30) lateral wall is embedded to have two electrode slice (32) of elasticity inner frame (31) and fixedly connected with, rope bag (30) tip passes through rope frame (33) and the interior liquid storage space intercommunication of liquid reserve box (27).

2. The cutting machine with high cutting accuracy according to claim 1, wherein: the slider (22) adopts the I-shaped piece, the inner wall of guide way (21) is connected with slider (22) matched with draw runner (211).

3. The cutting machine with high cutting accuracy according to claim 2, wherein: the outer side wall of the workbench (16) is connected with a sealing ring (161), and the sealing ring (161) is abutted to the inner wall of the circular groove (14).

4. A cutting machine with high cutting accuracy according to claim 3, wherein: the outer wall of the fixed seat (1) is connected with a controller (101).