CN210652469U - High-speed high-precision double-end tool magazine cnc engraving and milling machine - Google Patents
High-speed high-precision double-end tool magazine cnc engraving and milling machine Download PDFInfo
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- CN210652469U CN210652469U CN201921133853.7U CN201921133853U CN210652469U CN 210652469 U CN210652469 U CN 210652469U CN 201921133853 U CN201921133853 U CN 201921133853U CN 210652469 U CN210652469 U CN 210652469U
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- tool magazine
- engraving
- milling machine
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- 238000003801 milling Methods 0.000 title claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model discloses a high-speed high-precision double-head tool magazine engraving and milling machine, which comprises an engraving and milling machine body and a tool magazine, wherein the upper half part of the front side of the engraving and milling machine body is provided with a moving frame, the lower side of the moving frame is provided with a tool, an operating platform is arranged below the tool, a control system is arranged above the operating platform and on the engraving and milling machine body, two motors I are symmetrically arranged on two sides of the moving frame, the two motors I are connected through a chain, the lower side of the motor I is provided with a rotating shaft, one side of the rotating shaft is provided with a brake sheet, and the side of the brake sheet far away from the rotating shaft is provided with an electromagnet. The production efficiency is improved.
Description
Technical Field
The utility model relates to an engraving and milling machine technical field specifically is a high-speed high-accuracy double-end tool magazine engraving and milling machine.
Background
At present, the demand of numerical control machine tools with tool magazines on the market is continuously rising, the numerical control machine tools with tool magazines aiming at processing of tablet personal computers, mobile phone cover plates and the like mainly provide tool storage positions, and a spindle moves to the position right above a selected tool to exchange the tool according to program control.
Resonance is the phenomenon in which the amplitude of the system increases significantly when the frequency of the excitation to which the mechanical system is subjected is close to the natural frequency of a certain order of the system. At resonance, the energy input into the mechanical system is the largest, and the apparent mode shape of the system is called displacement resonance. There are also velocity resonances and acceleration resonances that occur at different frequencies. Resonance is generally detrimental and can cause significant mechanical and structural deformations and dynamic stresses, even destructive accidents.
The types of tool magazines matched with the numerical control machine tool are various, but for the numerical control machine tool bearing the batch production task, the tool changing time of the machine tool is too long, so that the working efficiency of the machine tool is also weakened invisibly. Meanwhile, the resonance influence generated in the process of machine tool deceleration is not negligible. Therefore, a high-speed and high-precision double-head tool magazine engraving and milling machine is provided by the technical personnel in the field, so as to solve the problems in the background technology.
Disclosure of Invention
An object of the utility model is to provide a high-speed high-accuracy double-end tool magazine cnc engraving and milling machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-speed high-precision double-head tool magazine engraving and milling machine comprises an engraving and milling machine body and a tool magazine, wherein a moving frame is arranged on the upper half portion of the front side of the engraving and milling machine body, a cutter is arranged on the lower side of the moving frame, an operating platform is arranged below the cutter, a control system is arranged on the engraving and milling machine body above the operating platform, two motors I are symmetrically arranged on two sides of the moving frame and connected through a chain, a rotating shaft is arranged on the lower side of the motor I, a brake sheet is arranged on one side of the rotating shaft, an electromagnet is arranged on one side of the brake sheet away from the rotating shaft, a connecting rod is arranged on the rear side of the motor I, two sliding sleeves are sleeved on the connecting rod, springs are arranged between the sliding sleeves and the moving frame, the tool magazine comprises a tool rest, a motor II is fixedly mounted on one side, the reverse side of the belt relative to the rolling rod is provided with a bearing, the bearing is fixedly arranged on the tool magazine, the inner side of the bearing is concentrically provided with a rotating ring, the upper half part of the rotating ring is relatively static with the inner ring of the bearing, a tool is arranged in the rotating ring, one side of the bearing far away from the rolling rod is fixedly provided with an electric telescopic rod, and the electric telescopic rod is fixedly arranged on the tool magazine.
As a further aspect of the present invention: and the first motor and the second motor are both provided with a speed sensor and a speed controller and are controlled by a control system to complete complex processing and tool changing.
As a further aspect of the present invention: the inner surface of belt and the lower half surface of swivel becket are equipped with even lug, and two lugs cooperate, can make the rotational speed of belt equal the rotational speed of swivel becket, make things convenient for the later stage tool changing.
As a further aspect of the present invention: the axis of the cutter is perpendicular to and bisects the connecting line of the circle centers of the rolling rods, so that the tangent point of the rotating ring and the belt is located at the midpoint of the connecting line of the circle centers of the rolling rods, and the belt is conveniently compacted.
As a further aspect of the present invention: the limit position of the electric telescopic rod is located between the belts, when the electric telescopic rod contracts to the limit, the rotating ring is not in contact with the belts, when the electric telescopic rod extends to the limit position, the rotating ring and the belts are just compacted with the rolling rods, and at the moment, the cutter is located at the position where the movable frame can change the cutter.
As a further aspect of the present invention: the two groups of cutters are symmetrically arranged relative to the starting point of the movable frame, so that the two cutters can be simultaneously changed.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses resonance phenomenon to the motor takes place when slowing down uses sliding sleeve and spring fit to alleviate the resonance effect in the removal frame, uses the piece of stopping simultaneously to make the motor pass through the resonance district fast, has reduced the harm that resonance brought, simultaneously through rotating the swivel becket, can realize rotating the in-process tool changing, has reduced the time that hinders because of shutting down the tool changing, improves production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a high-speed high-precision double-head tool magazine engraving and milling machine.
Fig. 2 is a schematic structural view of a movable frame in a high-speed high-precision double-head tool magazine engraving and milling machine.
Fig. 3 is a schematic structural diagram of a tool magazine in a high-speed high-precision double-head tool magazine engraving and milling machine.
Fig. 4 is a schematic top view of a tool magazine of a high-speed high-precision double-head tool magazine engraving and milling machine.
Fig. 5 is a schematic structural diagram of a rotating ring in a high-speed high-precision double-head tool magazine engraving and milling machine.
In the figure: 1. a cnc engraving and milling machine body; 2. a movable frame; 3. a cutter; 4. a tool magazine; 5. an operating platform; 6. a control system; 7. a first motor; 8. a rotating shaft; 9. a brake sheet; 10. an electromagnet; 11. a connecting rod; 12. a sliding sleeve; 13. a spring; 14. a second motor; 15. a belt; 16. a tool holder; 17. an electric telescopic rod; 18. a bearing; 19. a rotating ring; 20. a roll bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, in the embodiment of the present invention, a high-speed high-precision double-head tool magazine engraving and milling machine comprises an engraving and milling machine body 1 and a tool magazine 4, wherein the upper half of the front side of the engraving and milling machine body 1 is provided with a moving frame 2, the lower side of the moving frame 2 is provided with a tool 3, the lower side of the tool 3 is provided with an operating platform 5, the upper side of the operating platform 5 is provided with a control system 6 on the engraving and milling machine body 1, two motors I7 are symmetrically arranged on both sides of the moving frame 2, the two motors I7 are connected through a chain, the lower side of the motor I7 is provided with a rotating shaft 8, one side of the rotating shaft 8 is provided with a brake sheet 9, one side of the brake sheet 9 far away from the rotating shaft 8 is provided with an electromagnet 10, the moving frame 2 is provided with a connecting rod 11 on the rear side of the motor I7, two sliding sleeves 12 are sleeved on, a second motor 14 is fixedly mounted on one side of the tool rest 16, a belt pulley is connected to a rotating shaft of the second motor 14, a belt 15 is arranged on the outer side of the belt pulley, rolling rods 20 are uniformly distributed on one side of the outer side of the belt 15, a bearing 18 is arranged on the reverse side of the belt 15 relative to the rolling rods 20, the bearing 18 is fixedly mounted on the tool magazine 4, a rotating ring 19 is concentrically arranged on the inner side of the bearing 18, the upper half portion of the rotating ring 19 and the inner ring of the bearing 18 are relatively static, a tool 3 is arranged in the rotating ring 19, an electric telescopic rod 17 is fixedly mounted on one side, far away from the rolling rods 20.
And the first motor 7 and the second motor 14 are both provided with a speed sensor and a speed controller and are controlled by the control system 6 to finish complex machining and tool changing.
Even lugs are arranged on the inner surface of the belt 15 and the outer surface of the lower half part of the rotating ring 19, and the two lugs are matched with each other, so that the rotating speed of the belt 15 is equal to that of the rotating ring 19, and tool changing in the later period is facilitated.
The axis of the cutter 3 is perpendicular to and bisects the connecting line of the circle centers of the rolling rods 20, so that the tangent point of the rotating ring 19 and the belt 15 is positioned at the midpoint of the connecting line of the circle centers of the rolling rods 20, and the belt 15 is conveniently compacted.
The limit position of the electric telescopic rod 17 is located between the belts 15, when the electric telescopic rod is contracted to the limit, the rotating ring 19 is not in contact with the belts 15, when the electric telescopic rod is extended to the limit position, the rotating ring 19 and the belts 15 are just compacted with the rolling rod 20, and at the moment, the cutter 3 is located at the position where the movable frame 2 can be used for changing the cutters.
The cutters 3 are arranged in two groups, and the positions of the two groups are symmetrically arranged relative to the starting point of the movable frame 2, so that the two cutters 3 can be simultaneously changed.
The utility model discloses a theory of operation is: when in use, a tool 3 to be used is placed in a rotating ring 19 of a tool magazine 4 in advance according to a program, a workpiece is fixed on an operation platform 5, a first motor 7 is started through a control system 6, the tool 3 is moved through a moving frame 2 to be carved, the carving effect is adjusted by adjusting the rotating speed of the first motor 7, when the speed is reduced, the first motor 7 and the workpiece are influenced by the resonance effect of a machine body, according to the rotating speed of the first motor 7 on the moving frame 2, the control system 6 judges whether an electromagnet 10 is started to rapidly pass through a resonance area or not, the electromagnet 10 drives a brake sheet 9 to be close to a rotating shaft 8 so as to rapidly reduce the rotating speed of the first motor 7, when the tool 3 is not required to be frequently replaced, a second motor 14 on the tool magazine 4 is not started, electric telescopic rods 17 are all positioned at the maximum extension displacement position, when the tool is replaced, the control system 6 controls the first motor 7 to be stopped for, starting a second motor 14, controlling the electric telescopic rod 17 to be located at the minimum displacement position of the contraction by the control system 6 at the moment, driving the belt 15 to rotate by the second motor 14, controlling the constant rotating speed of the second motor 14 through the speed sensor and the speed controller, and setting the rotating speed to be proper in the processing process, when the tool changing is needed, starting the corresponding electric telescopic rod 17 in advance by the control system 6 according to the program, respectively pushing the placing tool 3 and the rotating ring 19 to be used by the electric telescopic rod 17, gradually attaching the rotating ring 19 to the belt 15, rotating the rotating ring 19 through the bump on the belt 15, finally when the moving frame 2 moves to the upper side of the tool 3, enabling the rotating ring 19 to reach the specified rotating speed, also reaching the specified rotating speed by the first motor 7 at the moment, being relatively static between the tool 3 and the rotating ring 19, performing the tool changing, and after.
The utility model discloses to the resonance phenomenon that takes place when the motor slows down, use sliding sleeve 12 and the cooperation of spring 13 to alleviate the resonance effect in removing frame 2, use simultaneously and stop piece 9 and make the motor pass through the resonance district fast, reduced the harm that resonance brought, simultaneously through rotating swivel 19, can realize rotating the in-process tool changing, reduced and delay the time because of shutting down the tool changing, improve production efficiency.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A high-speed high-precision double-head tool magazine engraving machine comprises an engraving machine body (1) and a tool magazine (4), and is characterized in that a moving frame (2) is arranged on the upper half portion of the front side of the engraving machine body (1), a cutter (3) is arranged on the lower side of the moving frame (2), an operating platform (5) is arranged below the cutter (3), a control system (6) is arranged above the operating platform (5) and positioned on the engraving machine body (1), two motors I (7) are symmetrically arranged on two sides of the moving frame (2), the two motors I (7) are connected through a chain, a rotating shaft (8) is arranged on the lower side of the motor I (7), a brake sheet (9) is arranged on one side of the rotating shaft (8), an electromagnet (10) is arranged on one side, far away from the rotating shaft (8), a connecting rod (11) is arranged on the rear side of the moving frame (2) and positioned on the motor I (7), and two sliding sleeves (12) are sleeved on, springs (13) are arranged between the sliding sleeves (12) and the movable frame (2), the tool magazine (4) comprises a tool magazine (16), a second motor (14) is fixedly mounted on one side of the tool magazine (16), a belt pulley is connected with a rotating shaft of the second motor (14), a belt (15) is arranged on the outer side of the belt pulley, rolling rods (20) are uniformly distributed on one side of the outer side of the belt (15), a bearing (18) is arranged on the reverse side of the belt (15) relative to the rolling rods (20), the bearing (18) is fixedly mounted on the tool magazine (4), a rotating ring (19) is concentrically arranged on the inner side of the bearing (18), the upper half part of the rotating ring (19) is relatively static with an inner ring of the bearing (18), a tool (3) is arranged in the, one side of the bearing (18) far away from the rolling rod (20) is fixedly provided with an electric telescopic rod (17), and the electric telescopic rod (17) is fixedly arranged on the tool magazine (4).
2. The high-speed high-precision double-head tool magazine cnc engraving and milling machine according to claim 1 is characterized in that the first motor (7) and the second motor (14) are provided with speed sensors and speed controllers and are controlled by the control system (6).
3. A high-speed high-precision double-head tool magazine cnc engraving and milling machine as claimed in claim 1, characterized in that the inner surface of the belt (15) and the outer surface of the lower half of the rotating ring (19) are provided with uniform projections.
4. The high-speed high-precision double-head tool magazine engraving and milling machine according to claim 1, wherein the axis of the tool (3) is perpendicular to and bisects the line connecting the centers of the rolling rods (20), and the tangent point of the rotating ring (19) and the belt (15) is located at the midpoint of the line connecting the centers of the rolling rods (20).
5. The high-speed high-precision double-head tool magazine engraving and milling machine according to claim 1, characterized in that the extreme positions of the electric telescopic rod (17) are located between the belts (15).
6. The high-speed high-precision double-head tool magazine cnc engraving and milling machine according to claim 1 is characterized in that, the tools (3) are provided in two groups, and the positions are symmetrically arranged about the starting point of the movable frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133853.7U CN210652469U (en) | 2019-07-19 | 2019-07-19 | High-speed high-precision double-end tool magazine cnc engraving and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133853.7U CN210652469U (en) | 2019-07-19 | 2019-07-19 | High-speed high-precision double-end tool magazine cnc engraving and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210652469U true CN210652469U (en) | 2020-06-02 |
Family
ID=70842736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133853.7U Expired - Fee Related CN210652469U (en) | 2019-07-19 | 2019-07-19 | High-speed high-precision double-end tool magazine cnc engraving and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210652469U (en) |
-
2019
- 2019-07-19 CN CN201921133853.7U patent/CN210652469U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |