Air curtain cutting prevention device and milling machine

Abstract

The utility model discloses an air curtain cutting prevention device which comprises a y arm. A milling main shaft is arranged on one side of the y arm, and a compressed air inlet is formed in the y arm; the compressed air inlet is connected with four flow dividing air channels through a plurality of air channels. An air hole is formed in each shunting air channel towards the milling main shaft; each air channel is arranged in the y arm and penetrates through the y arm to be connected with the flow dividing air channel. The problem that cuttings are prone to being rolled into a workpiece or a milling cutter, and consequently the workpiece is damaged is solved. The device is used for preventing cuttings from being rolled into the milling machine to damage the milling machine due to milling of the milling machine.

Description

Technical Field

[0001] The utility model relates to a model milling machine equipment, in particular to an air curtain anti-chip device, and particularly to a milling machine. Background Art

[0002] Existing model milling equipment will generate a lot of chips during the processing, which can easily cause injuries to workers. The chips may also cause damage to the machine, and the chips may enter the machine tool and cause equipment failure or damage. Utility Model Content

[0003] The utility model aims to provide an air curtain chip prevention device and a milling machine to solve the problem that chips are easily drawn into the workpiece or the milling cutter causes damage to the workpiece; it is used to prevent chips caused by milling of the milling machine from being drawn into the milling machine and damaging the milling machine.

[0004] Based on the above purpose, the utility model provides an air curtain chip prevention device, comprising a y-arm; a milling spindle (3) is provided on one side of the y-arm; a compressed air inlet is provided on the y-arm; the compressed air inlet is connected to four branch air channels through multiple air channels; an air hole is opened on each of the branch air channels toward the milling spindle; each air channel is arranged inside the y-arm, passes through the y-arm and is connected to the branch air channel.

[0005] Furthermore, each of the air holes is equipped with a nozzle.

[0006] Furthermore, each of the diversion airways includes a plurality of closed airways; each of the closed airways is sequentially away from the y-arm and the airway arrangement.

[0007] Furthermore, the four diversion air ducts form a rectangular jet air curtain system; the number of the closed air ducts in each diversion air duct is the same; and the closed air ducts of each diversion air duct form a rectangular air duct in sequence from inside to outside with the Y-arm as the center.

[0008] Furthermore, one side of the closed airway is connected to the outside, and a plug is provided at the connection point.

[0009] Furthermore, it is characterized in that a plurality of through holes are provided between the closed air passages of each diversion air passage, and a plug is provided on one side of each through hole connected to the outside.

[0010] Furthermore, a quick-release air inlet nozzle is connected between each of the air passages and the diversion air passage.

[0011] Furthermore, each of the closed airways away from the airway is bent backwards by 10° to 20° compared to the closed airway (11) close to the airway.

[0012] Furthermore, each of the diversion air channels is provided with a fixing screw in the direction toward the compressed air inlet for fixing the diversion air channel to the Y-arm.

[0013] In order to achieve the above-mentioned purpose, the utility model also provides an air curtain anti-chip milling machine, any of the above-mentioned air curtain anti-chip devices.

[0014] Beneficial effects of the utility model:

[0015] The utility model provides an air curtain chip prevention device, which sets a diversion air channel toward the milling spindle, and directs the chips toward the milling spindle through the opening of the air channel, so as to keep the chips away from the operator and the milling spindle. This solves the problem that the chips are easily rolled into the workpiece or the milling cutter, causing damage to the workpiece; it is used to prevent the chips caused by the milling of the milling machine from being rolled into the milling machine and damaging the milling machine. Since the air curtain is used for cleaning, the properties of the workpiece material to be milled are not limited, and the problem that the prior art is only applicable to ferromagnetic materials is solved.

[0016] The utility model provides an air curtain chip prevention device. A nozzle is installed at an opening position on an airway to increase airflow speed and make the airflow direction controllable.

[0017] The utility model provides an air curtain anti-chip device, wherein each closed air passage is provided with multiple layers of closed air passages from the inside to the outside, so as to increase the density of the air curtain.

[0018] The utility model provides an air curtain chip prevention device, wherein a closed air passage forms a rectangular air curtain, and the closed air passage of the closed air passage forms concentric multi-layer air curtains to improve the efficiency of blowing away chips.

[0019] The utility model provides an air curtain anti-chip device, each closed airway is connected to the outside world and is provided with a plug, so as to improve the airtightness and reduce the processing difficulty at the same time.

[0020] The utility model provides an air curtain anti-chip device, which expands the sweeping area of ​​the air curtain by bending each layer of closed air passage compared with the closed air passage at the front side.

[0021] The utility model provides an air curtain chip prevention milling machine. By adding an air curtain system, chips are prevented from affecting the progress of the processing procedure, so as to solve the problem that chips are easily drawn into the workpiece or the milling cutter causes damage to the workpiece; it is used to prevent chips caused by the milling of the milling machine from being drawn into the milling machine and damaging the milling machine. Since the air curtain is used for cleaning, the properties of the workpiece material to be milled are not restricted, and the problem that the prior art is only applicable to ferromagnetic materials is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of an air curtain anti-chip milling machine of the utility model;

[0023] Figure 2This is a front view of an air curtain system of Embodiment 1 of an air curtain anti-chip device of the utility model;

[0024] Figure 3 It is a side view of an air curtain system of Embodiment 1 of an air curtain anti-chip device of the utility model;

[0025] Figure 4 It is a side structural schematic diagram of an air curtain system of Example 1 of an air curtain anti-chip device of the utility model;

[0026] Figure 5 This is a schematic diagram of the main structure of an air curtain system of Example 1 of an air curtain anti-chip device of the utility model;

[0027] Figure 6 It is a side view of an air curtain system with an inclined surface in Embodiment 2 of an air curtain anti-chip device of the utility model;

[0028] Figure 7 This is a front view of an air curtain system with an inclined surface in Embodiment 2 of an air curtain anti-chip device of the utility model;

[0029] Figure 8 This is a schematic diagram of the main structure of an air curtain system with an inclined surface in Embodiment 2 of an air curtain anti-chip device of the utility model;

[0030] Fig. 9 This is a schematic diagram of the main structure of an air curtain system with an inclined surface in Embodiment 2 of an air curtain anti-chip device of the utility model;

[0031] Among them, 1-y arm, 2-jet air curtain system, 3-milling spindle, 4-air channel, 5-diverter air channel, 6-nozzle, 7-plug, 8-fixing screw, 9-quick-insert air inlet nozzle, 10-jet air curtain system with bevel, 11-closed air channel; 12-blind hole. DETAILED DESCRIPTION

[0032] In order to solve the problem of motor stalling, the utility model proposes a method of using a compression nozzle to form an air curtain at the rear end of a milling spindle, thereby preventing dust and chips from entering the milling spindle.

[0033] Example 1

[0034] See also Figures 2 to 5The utility model provides an air curtain anti-chip device, which is characterized in that it includes a y-arm 1, a compressed air inlet is provided on the y-arm 1, and a milling spindle 3 is also provided at one end of the y-arm 1; the gas output end of the compressed air inlet is connected to a jet air curtain system 2 through an air channel 4; the jet air curtain system 2 is rectangular; it is arranged between the y-arm 1 and the milling spindle 3; the jet air curtain system 2 fits the outer contour of the y-arm; the jet air curtain system 2 includes four branch air channels 5, the four branch air channels 5 are surrounded by a rectangle, and each branch air channel 5 is provided with a fixing screw 8 in the direction opposite to the milling spindle 3; each branch air channel 5 includes a plurality of closed air channels 11, each The closed air channel 11 is provided with at least four openings toward the milling spindle 3 for jetting to form an air curtain, and a nozzle 6 is arranged at each opening; the closed air channel 11 of each diversion air channel 5 is arranged away from the y-arm 1 in sequence, and each closed air channel 11 of the four diversion air channels 5 forms a plurality of concentric rectangles; the number of closed air channels 11 of each diversion air channel 5 is the same; one side of each closed air channel 11 is connected to the outside world for convenient processing and inspection; a through hole is provided between each closed air channel 11 of each diversion air channel 5 for gas circulation; a plug 7 is provided on one side of each through hole connected to the outside world; a quick-release air inlet nozzle 9 is provided between the air channel 4 and the diversion air channel 5 for easy disassembly and assembly.

[0035] See also Figure 1 The utility model also provides an air curtain anti-chip milling machine, which uses the above-mentioned air curtain anti-chip device.

[0036] Example 2

[0037] See also Figures 6 to 9 This embodiment provides an air curtain anti-chip device. The difference between this embodiment and embodiment 1 is that each closed airway 11 away from the airway 4 is bent backward at an angle of 10° to 20° compared to the closed airway 11 close to the airway 4; the surface of the diversion airway 5 is an inclined surface.

[0038] This embodiment also provides an air curtain anti-chip milling machine, which uses the above-mentioned air curtain anti-chip device.

[0039] Embodiment 3:

[0040] This embodiment provides an air curtain anti-chip device. The difference between this embodiment and embodiment 1 is that each closed channel of each branch air channel 5 is connected by a blind hole 12, and one side of the blind hole 12 is connected to the outside world; a plug 7 is provided at the position where the blind hole 12 connects to the outside world.

Claims

1. An air curtain chip prevention device, comprising a y-arm (1); a milling spindle (3) is provided on one side of the y-arm (1); characterized in that: The y-arm (1) is provided with a compressed air inlet; the compressed air inlet is connected to four branch air channels (5) via a plurality of air channels (4); each branch air channel (5) is provided with an air hole facing the milling spindle (3); each air channel (4) is arranged inside the y-arm (1), passes through the y-arm (1) and is connected to the branch air channel (5).

2. The air curtain anti-chip device according to claim 1, characterized in that: Each of the air holes is equipped with a nozzle (6).

3. The air curtain anti-chip device according to claim 1, characterized in that: Each of the diversion air channels (5) comprises a plurality of closed air channels (11); each of the closed air channels (11) is sequentially arranged away from the Y arm (1) and the air channel (4).

4. The air curtain anti-chip device according to claim 3, characterized in that: The four diverter air channels (5) form a rectangular jet air curtain system (2); the number of the closed air channels (11) of each diverter air channel (5) is the same; the closed air channels (11) of each diverter air channel (5) form a rectangular air channel in sequence from the inside to the outside with the Y arm (1) as the center.

5. The air curtain anti-chip device according to claim 4, characterized in that: One side of the closed airway (11) is connected to the outside world, and a plug (7) is provided at the connection point.

6. The air curtain anti-chip device according to claim 5, characterized in that: A plurality of through holes are provided between the closed air passages (11) of each diversion air passage (5), and a plug (7) is provided on one side of each through hole that communicates with the outside.

7. The air curtain anti-chip device according to claim 1, characterized in that: A quick-release air inlet nozzle (9) is connected between each of the air passages (4) and the diversion air passage (5).

8. The air curtain anti-chip device according to claim 4, characterized in that: Each closed airway (11) away from the airway (4) is bent backwards by 10° to 20° compared to the closed airway (11) close to the airway (4).

9. The air curtain anti-chip device according to claim 1, characterized in that: Each of the branch air channels (5) is provided with a fixing screw (8) in the direction toward the compressed air inlet for fixing the branch air channel (5) on the Y-arm (1).

10. An air curtain anti-chip milling machine, characterized in that: Use the air curtain anti-chip device described in any one of claims 1-9.

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