Numerical control planer type milling machine

Abstract

The utility model relates to the field of numerical control planer type milling machines, in particular to a numerical control planer type milling machine which comprises a working platform and a portal frame erected on the outer side of the working platform, a spindle box is connected to the portal frame, a milling cutter is installed on a driving shaft at the bottom of the spindle box, a hemispherical dust removal mechanism is connected to the bottom of the spindle box, and the milling cutter is located on the inner side of the hemispherical dust removal mechanism. The hemispherical dust removal mechanism is arranged on a driving shaft of the spindle box in a sleeving mode, the top of the hemispherical dust removal mechanism is connected with at least two telescopic driving mechanisms, and the tops of the telescopic driving mechanisms are connected with the bottom of the spindle box. Through cooperation of the hemispherical protective shell and the rubber organ cover, the sealing performance is enhanced, dust and milling chips are effectively prevented from escaping, a V-shaped dust collection channel of the double-clip type dust collection nozzle assembly optimizes the dust collection path, the dust collection efficiency is improved, and the milling chips and the dust are collected and treated in a centralized mode in cooperation with an external dust collector and a dust collection hose. Milling chips and dust remaining on the surface of a workpiece are reduced, and the subsequent machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control gantry milling machine field especially numerical control gantry milling machine. BACKGROUND

[0002] Numerical control gantry milling machine is a numerical control machine tool of gantry type structure design, it combines advanced numerical control technology and precise mechanical structure, is used to carry out efficient milling processing to workpiece, and the gantry type structure makes the machine tool have spacious working space and strong rigidity, can bear the processing demand of large, heavy workpiece, numerical control gantery milling machine receives, analyzes and executes the programming instruction of operator through numerical control system, accurately controls each moving part of machine tool, such as workbench, spindle box, tool, realizes the accurate milling processing of workpiece, and this kind of machine tool has high precision, high efficiency, high automation etc., can process complex, precise parts, is widely used in aerospace, shipbuilding, military industry, automobile, engineering machinery, heavy machinery etc., in addition, numerical control gantry milling machine also has multiple processing functions, such as plane milling, cavity milling, drilling, tapping etc., can satisfy the processing demand of different workpieces.

[0003] Among them, the announcement number CN221516247U discloses a numerical control gantry milling machine structure, including portal frame, the outside sliding installation of the portal frame has sliding block, the sliding block moves through screw structure control, the lower end of the sliding block is installed with electric lifting rod, the lower end of the electric lifting rod is installed with milling head, the outside of the lower end of the electric lifting rod is located in the milling head and is installed with silica gel wind deflector, the outside upper end of the silica gel wind deflector is installed with wind deflector elbow pipe on one side, the other end of the wind deflector elbow pipe is installed with receiving wire cage, the right side of the outside of the wind deflector elbow pipe is installed with air inlet inclined pipe, the lower end of the air inlet inclined pipe is installed with high-speed fan.

[0004] The above prior art has the following defects: the silica gel wind deflector cooperates with the high-speed fan and the wind deflector elbow pipe to suck and remove the milling chips and dust generated during the machining of the milling head. During the machining of some large planar plate-shaped workpieces, the wind deflector elbow pipe is arranged at the top of the silica gel wind deflector, and there is a certain distance between the bottom of the silica gel wind deflector and the machined workpiece. As a result, the negative pressure suction force is small. For some heavy milling chips and residual dust, they may be left on the surface of the workpiece due to insufficient suction force, which not only affects the subsequent milling operation but also causes unnecessary scratches on the surface of the workpiece, and increases the difficulty of cleaning work in the subsequent process, thereby reducing the overall work efficiency. UTILITY MODEL CONTENTS

[0005] The utility model mainly solves the technical problem of providing a numerical control gantry milling machine that reduces the accumulation of milling chips and dust on the surface of the workpiece, improves the efficiency of subsequent processing, prevents unnecessary scratches on the surface of the workpiece, and improves work efficiency.

[0006] To solve the above technical problems, the utility model adopts one technical scheme, which provides a numerical control planer type milling machine, include: work platform and erect in its outside gantry, be connected with main shaft box on the gantry, install milling cutter on the bottom drive shaft of main shaft box, the bottom of main shaft box is connected with hemispherical dust removal mechanism, the milling cutter is located in the inside of hemispherical dust removal mechanism, and the hemispherical dust removal mechanism is set on the drive shaft of main shaft box, the top of hemispherical dust removal mechanism is connected with not less than two telescopic drive mechanisms, the top of telescopic drive mechanism is connected with the bottom of main shaft box respectively,

[0007] The hemispherical dust removal mechanism includes a hollow hemispherical protective shell, an annular opening is formed in the inner side of the hemispherical protective shell, a pair of clamping dust suction nozzle assemblies are connected to the edge of the annular opening on the inner side of the hemispherical protective shell, the inner cavity of the pair of clamping dust suction nozzle assemblies is V-shaped, a dust suction hose is connected to one side of the top of the hemispherical protective shell, one end of the dust suction hose extends into the inner cavity of the hemispherical protective shell, and the other end of the dust suction hose is connected to an external dust collector.

[0008] By adopting the above technical scheme, the work platform is the main area for machining parts, the gantry is stably erected on the outside of the work platform to provide support and positioning for other components, ensuring the stability and machining accuracy of the machine tool, the main shaft box drives the milling cutter to rotate through the drive shaft to realize the cutting function, and during the milling process, the hemispherical protective shell is driven by the telescopic drive mechanism to tightly adhere to the machining area, the hemispherical protective shell forms a semi-closed space, and the milling chips and dust are collected and treated in a centralized manner by cooperating with the external dust collector and the dust suction hose, improving the working environment and protecting the machine tool and the milling cutter from damage caused by dust. In addition, the pair of clamping dust suction nozzle assemblies further enlarge the negative pressure air suction diameter, reducing the diffusion of dust and milling chips.

[0009] In a preferred example, the utility model can be further configured as follows: a plurality of universal balls are arranged in an annular array at the bottom of the hemispherical protective shell, and the universal balls are arranged close to the inner circle of the hemispherical protective shell.

[0010] By adopting the above technical scheme, the universal balls enable the hemispherical protective shell to adapt to the shape and height changes of different machining surfaces. When the milling cutter moves on the workpiece, the hemispherical protective shell adjusts its position through the rolling of the universal balls, ensuring that the dust suction nozzle assembly always tightly adheres to the machining area, thereby improving the dust removal efficiency. At the same time, the direct contact between the hemispherical protective shell and the workpiece is reduced, the friction and wear are reduced, and the service life of the dust removal mechanism is prolonged.

[0011] The utility model discloses in a preferable example can be further configured as: the bottom of semispherical protective shell is connected with rubber organ case, rubber organ case is close to the outer circle of semispherical protective shell and is arranged, the bottom of rubber organ case is connected with cleaning pad.

[0012] Through adopting above-mentioned technical scheme, rubber organ case makes semispherical protective shell and workpiece form a flexible sealing layer between, effectively prevent dust from escaping from the gap, enhance the sealing of dust removal and clean the milling chip, and rubber organ case has good elasticity and stretchability, can adjust shape and size flexibly along with the change of processing surface, ensure that semispherical protective shell keeps close contact with workpiece all the time, so that milling chip and dust can be cleaned on the workpiece of different shape and size.

[0013] The utility model discloses in a preferable example can be further configured as: the telescopic drive mechanism includes movable sleeve, the movable sleeve is slidably connected with T-shaped rod, one end of T-shaped rod penetrates movable sleeve and is connected with the top of semispherical protective shell, the outside of T-shaped rod is connected with spring, one end of spring is connected with the bottom of movable sleeve, and the other end is connected with the top of semispherical protective shell.

[0014] Through adopting above-mentioned technical scheme, T-shaped rod moves up and down through movable sleeve, thereby driving the position adjustment of semispherical protective shell relative to main shaft box, and through the elastic action of spring, the bottom of semispherical protective shell is adhered to the surface of processing workpiece, reduces the escape of dust and milling chip, and also can reduce the influence of vibration and impact in the processing on semispherical protective shell, maintains its stability.

[0015] Summarized above, the utility model discloses at least one of following beneficial technical effects of numerical control planer type milling machine is included:

[0016] 1, numerical control planer type milling machine is equipped with semispherical dust removal mechanism and double-clamping dust suction nozzle assembly, realizes efficient dust removal, and the cooperation of semispherical protective shell and rubber organ case enhances the sealing, effectively prevents dust and milling chip from escaping, and the V-shaped dust suction passage of double-clamping dust suction nozzle assembly optimizes the dust suction path, improves dust suction efficiency, and cooperates with external dust collector and dust suction hose to concentrate the collection and processing of milling chip and dust, not only reduces the milling chip and dust residue on the workpiece surface, improves the subsequent processing efficiency, prevents unnecessary scratches on the workpiece surface, improves work efficiency, prolongs the service life of machine tool and milling cutter, and reduces maintenance cost.

[0017] 2、By the universal ball, the semi-spherical protective shell is adapted to the shape and height variation of different machining surfaces, when the milling cutter moves on the workpiece, the semi-spherical protective shell adjusts its position through the rolling of the universal ball, ensures that the dust collection nozzle assembly is always close to the machining area, thereby improving the dust removal efficiency, in addition, the rubber concertina forms a flexible sealing layer between the semi-spherical protective shell and the workpiece, effectively prevents dust from escaping from the gap, enhances the sealing of dust removal and cleaning of milling chips, adjusts with the variation of the machining surface, ensures that the semi-spherical protective shell is always in close contact with the workpiece, so that the milling chips and dust can be cleaned on workpieces of different shapes and sizes. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is a structural schematic view of the present application;

[0020] Figure 2 It is a sectional view of the semi-spherical dust removal mechanism of the present application;

[0021] Figure 3 It is Figure 2 the enlarged view of A in the figure;

[0022] Figure 4 It is a structural schematic view of the telescopic driving mechanism of the present application;

[0023] Figure 5 It is Figure 2 the enlarged view of B in the figure.

[0024] In the figure: 1, workbench; 2, gantry; 3, main shaft box; 4, milling cutter; 50, semi-spherical dust removal mechanism; 60, telescopic driving mechanism;

[0025] 51, semi-spherical protective shell; 52, annular port; 53, clamping type dust collection nozzle assembly; 54, dust collection hose; 55, universal ball; 56, rubber concertina; 57, cleaning pad;

[0026] 61, movable sleeve; 62, T-shaped rod; 63, spring;

[0027] 531, upper annular body; 532, lower annular body. DETAILED DESCRIPTION

[0028] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0029] It should be noted that these drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, and thus only show the components related to the utility model.

[0030] Referring to Figures 1-5 The utility model discloses a numerical control planer type milling machine, include: work platform 1 and erect on its outside portal frame 2, the portal frame 2 is connected with main shaft box 3, the bottom drive shaft of main shaft box 3 is installed with milling cutter 4, the bottom of main shaft box 3 is connected with hemispherical dust removal mechanism 50, milling cutter 4 is located in the inside of hemispherical dust removal mechanism 50, and hemispherical dust removal mechanism 50 is set on the drive shaft of main shaft box 3, the top of hemispherical dust removal mechanism 50 is connected with not less than two telescopic drive mechanism 60, the top of telescopic drive mechanism 60 is connected with the bottom of main shaft box 3 respectively, hemispherical dust removal mechanism 50 includes the hemispherical protective casing 51 with hollow cavity, the inside of hemispherical protective casing 51 is provided with annular mouth 52, the inside of hemispherical protective casing 51 is connected with the pair of clamping type dust extraction nozzle assembly 53 located in the edge of annular mouth 52, the inner chamber of pair of clamping type dust extraction nozzle assembly 53 is V-shaped, the top one side of hemispherical protective casing 51 is connected with dust extraction hose 54, one end of dust extraction hose 54 extends to the inner chamber of hemispherical protective casing 51, the other end of dust extraction hose 54 is connected with external dust collector, pair of clamping type dust extraction nozzle assembly 53 includes upper annular body 531 and lower annular body 532, the top one side of upper annular body 531 close to milling cutter 4 is set downward, the bottom one side of upper annular body 531 close to milling cutter 4 is set upward, the top one side of lower annular body 532 close to milling cutter 4 is set downward, the bottom of lower annular body 532 close to the bottom horizontal plane of universal ball 55 is set;Dust extraction hose 54 is steel wire hose, which not only ensures toughness but also prevents the milling chips from damaging the inner wall of the pipeline, ensures that the external dust collector and dust extraction hose 54 transmit suction force into the inner chamber of hemispherical protective casing 51, and since the side of upper annular body 531 and lower annular body 532 is inclined, the output space of suction force is expanded, which can not only suck away large milling chips but also prevent part of dust from remaining on the workpiece surface, and cooperate with dust extraction hose 54 to suck and remove the milling chips and dust to the outside for centralized collection and treatment.

[0031] The bottom annular array of the hemispherical protective shell 51 has a plurality of universal balls 55 arranged close to the inner circle of the hemispherical protective shell 51, the rubber organ case 56 is connected to the bottom of the hemispherical protective shell 51 and arranged close to the outer circle of the hemispherical protective shell 51, and the cleaning pad 57 is connected to the bottom of the rubber organ case 56; the rubber organ case 56 is made of high-temperature-resistant rubber, and the cleaning pad 57 is preferably high-temperature-resistant sponge; the telescopic driving mechanism 60 cooperates with the elasticity and telescopic property of the rubber organ case 56 to flexibly adjust with the change of the processing surface, so as to ensure that the hemispherical protective shell 51 always maintains close contact with the workpiece, forms a flexible sealing layer, effectively prevents dust from escaping from the gap, and thus improves the efficiency of milling chips and dust suction, and at the same time, when the milling cutter 4 moves on the workpiece, the hemispherical protective shell 51 adjusts its position through the rolling of the universal ball 55, so as to ensure that the clamp type dust suction nozzle assembly 53 always closely adheres to the processing area, reduces the friction and wear between the hemispherical protective shell 51 and the workpiece, and prolongs the service life of the part.

[0032] The telescopic driving mechanism 60 includes a movable sleeve 61, a T-shaped rod 62 is slidably connected in the movable sleeve 61, one end of the T-shaped rod 62 penetrates through the movable sleeve 61 and is connected to the top of the hemispherical protective shell 51, a spring 63 is connected to the outer side of the T-shaped rod 62, one end of the spring 63 is connected to the bottom of the movable sleeve 61, and the other end is connected to the top of the hemispherical protective shell 51; when the main shaft box 3 controls the downward movement of the milling cutter 4, the spring 63 drives the bottom of the hemispherical protective shell 51 to closely contact the surface of the workpiece through its elasticity, prevents the milling chips generated in the milling process from splashing and causing unnecessary scratches or damage to other areas of the workpiece surface, and the spring 63 can also absorb the vibration and impact generated in the processing process through the elastic force, provides a buffer for the hemispherical protective shell 51, maintains its stability, and ensures the continuity of the effect of suction of milling chips and dust.

[0033] The implementation principle of the embodiment is that: in use, the gantry 2 and the spindle box 3 cooperate to adjust the position of the milling cutter 4 to process the workpiece, and when the milling cutter 4 is about to move downward, the spring 63 is elastically matched with the elasticity and flexibility of the rubber organ case 56, so that the bottom of the hemispherical protective shell 51 is always in close contact with the workpiece, forming a flexible sealing layer, effectively preventing dust from escaping from the gap, and as the milling cutter 4 mills, the dust and milling chips generated are matched with the external dust collector and the dust suction hose 54 to transmit suction force to the inner cavity of the hemispherical protective shell 51, expand the output space of the suction force through the upper annular body 531 and the lower annular body 532, and suck the milling chips and dust generated during operation to the outside for centralized collection and processing, and when the milling cutter 4 moves in the processing area, the universal ball 55 is rolled to adjust the corresponding position of the hemispherical protective shell 51, so that the clamping type dust suction nozzle assembly 53 is always close to the processing area, reducing the friction and wear between the hemispherical protective shell 51 and the workpiece, and when the hemispherical protective shell 51 moves, the bottom cleaning pad 57 can clean the surface of the workpiece, improving the subsequent operation efficiency.

[0034] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A CNC gantry milling machine comprising: The working platform (1) and the gantry (2) erected outside it, the main shaft box (3) is connected on the gantry (2), the milling cutter (4) is installed on the bottom drive shaft of the main shaft box (3), characterized in that the bottom of the main shaft box (3) is connected with a hemispherical dust removal mechanism (50), the milling cutter (4) is located inside the hemispherical dust removal mechanism (50), and the hemispherical dust removal mechanism (50) is sleeved on the drive shaft of the main shaft box (3), the top of the hemispherical dust removal mechanism (50) is connected with not less than two telescopic driving mechanisms (60), and the top of the telescopic driving mechanism (60) is connected with the bottom of the main shaft box (3) respectively. The hemispherical dust removal mechanism (50) comprises a hemispherical protective shell (51) with a hollow cavity, an annular opening (52) is formed in the inner side of the hemispherical protective shell (51), a pair of clamping type dust suction nozzle assemblies (53) are connected to the edge of the annular opening (52) on the inner side of the hemispherical protective shell (51), the inner cavity of the pair of clamping type dust suction nozzle assemblies (53) is V-shaped, a dust suction hose (54) is connected to one side of the top of the hemispherical protective shell (51), one end of the dust suction hose (54) extends into the inner cavity of the hemispherical protective shell (51), and the other end of the dust suction hose (54) is connected with an external dust collector.

2. The CNC longmen milling machine according to claim 1, characterized in that, A plurality of universal balls (55) are arranged in an annular array on the bottom of the hemispherical protective shell (51), and the universal balls (55) are arranged close to the inner circle of the hemispherical protective shell (51).

3. The CNC longmen milling machine according to claim 1, characterized in that, A rubber organ cover (56) is connected to the bottom of the hemispherical protective shell (51), the rubber organ cover (56) is arranged close to the outer circle of the hemispherical protective shell (51), and a cleaning pad (57) is connected to the bottom of the rubber organ cover (56).

4. The CNC longmen milling machine according to claim 1, characterized in that, The telescopic driving mechanism (60) comprises a movable sleeve (61), a T-shaped rod (62) is slidably connected in the movable sleeve (61), one end of the T-shaped rod (62) penetrates through the movable sleeve (61) and is connected with the top of the hemispherical protective shell (51), a spring (63) is connected to the outer side of the T-shaped rod (62), one end of the spring (63) is connected with the bottom of the movable sleeve (61), and the other end of the spring (63) is connected with the top of the hemispherical protective shell (51).

5. The CNC longmen milling machine according to claim 1, characterized in that, The pair of clamping type dust suction nozzle assemblies (53) comprise an upper annular body (531) and a lower annular body (532), the top side of the upper annular body (531) close to the milling cutter (4) is arranged downward, the bottom side of the upper annular body (531) close to the milling cutter (4) is arranged upward, the top side of the lower annular body (532) close to the milling cutter (4) is arranged downward, and the bottom of the lower annular body (532) close to the bottom horizontal plane of the universal ball (55) is arranged horizontally.

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