Three-axis numerical control machining center

Abstract

The three-axis numerical control machining center comprises a rack, a Z-axis sliding table, an X-axis sliding table, a Y-axis sliding table, a drill bit assembly and a clamp and further comprises a splash-proof assembly, a barrel used for installing the drill bit assembly and the splash-proof assembly is formed on the X-axis sliding table, the drill bit assembly comprises a motor, a drill chuck and a drill bit, the motor is fixed to the top end of the barrel, and the drill chuck is fixed to the top end of the barrel. An output shaft of the motor is connected with a drill chuck which clamps and fixes a drill bit, and the drill bit coaxially extends out of the lower end of the barrel. The splash-proof assembly comprises a fixing ring, a spring and a cover body, the fixing ring coaxially sleeves the barrel body, the top end of the cover body sleeves the barrel body and slides on the barrel body in the Z-axis direction, the two ends of the spring are connected with the fixing ring and the cover body respectively, and the drill bit is surrounded by the cover body. After the clamp clamps the workpiece, the motor is started, the Z-axis sliding table moves downwards, the drill bit drills the workpiece, at the moment, the cover body abuts against the surface of the workpiece and covers the drill bit in the whole process, splashed waste chips can be blocked by the cover body in the drilling process, and the situation that people are hurt by splashed waste chips in the machining process can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control processing technical field especially is related to a three -axis numerical control processing center. BACKGROUND

[0002] Numerical control processing center is by mechanical equipment and numerical control system composition is suitable for processing complex spare high efficiency automation machine tool of part, numerical control processing center is one of the highest yield, the most widely used numerical control machine tool in the world at present, its comprehensive processing capacity is stronger, workpiece once clamping can complete more processing content, machining precision is higher, the efficiency of batch workpiece of medium processing difficulty is 5~10 times of ordinary equipment, especially it can complete many ordinary equipment cannot complete processing, and it is more suitable for single piece processing or small batch production of more varieties of complex shape, high precision.

[0003] At present, enterprises often need to use three-axis numerical control machining center when producing and processing metal parts, a large amount of debris often splashes during the process of metal part machining, if the operator is too close, it is easy to scratch the worker, which is not convenient for the operator to observe the actual machining condition, and also increases the range of subsequent cleaning of debris. UTILIT Y MODEL CONTENT

[0004] In order to improve the situation that the debris splashes and hurts people when the machining center is machining, the application provides a three-axis numerical control machining center.

[0005] The three-axis numerical control machining center provided by the application adopts the following technical scheme:

[0006] A three-axis numerical control machining center, comprising a rack, a Z-axis sliding table, an X-axis sliding table, a Y-axis sliding table, a drill bit assembly and a clamp, the Z-axis sliding table is slidingly arranged on the rack along the Z-axis direction, the Y-axis sliding table is slidingly arranged on the rack along the Y-axis direction, the X-axis sliding table is slidingly arranged on the Y-axis sliding table along the X-axis direction, the drill bit assembly is arranged on the Z-axis sliding table, the clamp is arranged on the X-axis sliding table and is used for clamping a workpiece, further comprising a splash-proof assembly, a cylinder body for mounting the drill bit assembly and the splash-proof assembly is formed on the X-axis sliding table, the drill bit assembly comprises a motor, a drill chuck and a drill bit, the motor is fixed at the top end of the cylinder body, the output shaft of the motor is connected with the drill chuck, the drill chuck clamps and fixes the drill bit, and the drill bit coaxially extends from the lower end of the cylinder body.

[0007] The splash-proof assembly comprises a fixing ring, a spring and a cover body, the fixing ring is coaxially sleeved on the cylinder body, the cover body is sleeved on the cylinder body and slides along the Z-axis direction, and the two ends of the spring are connected with the fixing ring and the cover body respectively, and the cover body surrounds the drill bit.

[0008] By adopting the technical scheme, after the workpiece is clamped by the clamp, the motor is started, the Z-axis sliding table is lowered, and the drill bit drills the workpiece, at this time, the cover body abuts on the surface of the workpiece, and the drill bit is covered all the time, the splashed waste chips can be blocked by the cover body, and the situation that the waste chips splash and hurt people during processing can be improved.

[0009] Preferably, the cover body comprises a transparent cover, an annular magnetic block and a magnetite, the bottom end of the spring is fixedly arranged on the magnetic block, the magnetite is fixedly arranged at the top end of the transparent cover, and the magnetite adsorbs the magnetic block.

[0010] By adopting the technical scheme, the transparent cover can be disassembled, and the transparent cover can be disassembled for use according to actual conditions or replaced after damage.

[0011] Preferably, the circumferential side wall of the magnetic block is provided with a force applying block for applying force by hand.

[0012] By adopting the technical scheme, the magnetic block and the magnetite are separated, so that the transparent cover is disassembled.

[0013] Preferably, the transparent cover is provided with two semi-annular air channels which are not communicated with each other, a plurality of air jet ports are arranged on the inner wall of the semi-annular air channel in the circumferential direction, the air jet ports are all arranged towards the bottom end of the drill bit, two communication pipes are arranged on the transparent cover, the two communication pipes correspond to the two semi-annular air channels respectively, one end of the communication pipe communicates with the corresponding semi-annular air channel, and the other end of the communication pipe is used to communicate with the fan.

[0014] By adopting the technical scheme, when the drill bit punches, the fan is started, and airflow is blown out from the plurality of air jet ports to the area of the drill bit and the drilled hole, so as to reduce the temperature of the drill bit and reduce friction and wear.

[0015] Preferably, a plurality of recesses which are communicated with each other are arranged on the top surface of the X-axis sliding table.

[0016] By adopting the technical scheme, the recesses can be used to install the clamp, and can also accommodate and clean the waste chips generated during processing, keep the working area clean, and reduce the influence of iron chips on the processing precision.

[0017] Preferably, a waste chip groove is arranged on the side of the X-axis sliding table away from the work site, the waste chip groove communicates with at least one recess, and when the drill bit assembly completes processing, the waste chip groove is used to receive the waste chips blown out from the plurality of air jet ports on one side of the semi-annular air channel.

[0018] By adopting the technical scheme, after the drill bit assembly completes processing and resets, the waste chips will accumulate on the workpiece, at this time, the fan supplies air to one of the communication pipes, and the corresponding air jet head blows the waste chips towards the side away from the work site into the waste chip groove, so that the waste chips can be conveniently collected.

[0019] Preferably, the bottom end of the transparent cover is covered with a rubber sleeve in the circumferential direction.

[0020] By adopting the technical scheme, the rubber sleeve can reduce damage to the workpiece and prolong the service life of the transparent cover.

[0021] The technical effects of the utility model mainly lie in the following aspects:

[0022] 1. After the workpiece is clamped by the clamp, the motor is started, the Z-axis sliding table is lowered, and the drill bit drills the workpiece, at this time, the cover body abuts on the surface of the workpiece, the drill bit is covered throughout the process, the splashing waste chips can be blocked by the cover body, and the situation that the waste chips splash and hurt people during processing can be improved.

[0023] 2. The transparent cover is detachable, can be removed and used according to the actual situation, or the transparent cover can be replaced after being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the overall structure schematic diagram of the embodiment of the application.

[0025] Figure 2 is the installation schematic diagram of the cover body of the embodiment of the application.

[0026] Figure 3 is the cross-sectional view along Figure 2 the A-A line in the figure.

[0027] MARKED FOR REFERENCE: 1, rack; 11, Z-axis sliding table; 12, X-axis sliding table; 121, groove; 122, waste chip groove; 123, cylinder body; 13, Y-axis sliding table; 2, drill bit assembly; 21, motor; 22, drill chuck; 23, drill bit; 3, clamp; 4, splash-proof assembly; 41, fixed ring; 42, spring; 5, cover body; 51, transparent cover; 511, rubber sleeve; 512, semi-annular air channel; 513, air outlet; 514, communication pipe; 52, magnetic block; 521, force applying block; 53, magnetite. DETAILED DESCRIPTION

[0028] The application will be further described below in combination with the accompanying drawings to make the technical scheme of the application easier to understand and master. Figures 1-3 The application will be further described below in combination with the accompanying drawings to make the technical scheme of the application easier to understand and master.

[0029] The embodiment of the application discloses a three-axis numerical control machining center.

[0030] Refer to Figure 1 and Figure 2The three-axis numerical control machining center of the embodiment comprises a rack 1, a Z-axis sliding table 11, an X-axis sliding table 12, a Y-axis sliding table 13, a drill bit assembly 2 and a clamp 3. The Z-axis sliding table 11 is slidably arranged on the rack 1 along the Z-axis direction. The Y-axis sliding table 13 is slidably arranged on the rack 1 along the Y-axis direction. The X-axis sliding table 12 is slidably arranged on the Y-axis sliding table 13 along the X-axis direction. The drill bit assembly 2 is arranged on the Z-axis sliding table 11. The clamp 3 is arranged on the X-axis sliding table 12 and used for clamping a workpiece. The three-axis numerical control machining center further comprises a splash-proof assembly 4. The X-axis sliding table 12 is formed with a barrel 123 used for mounting the drill bit assembly 2 and the splash-proof assembly 4. The drill bit assembly 2 comprises a motor 21, a drill chuck 22 and a drill bit 23. The motor 21 is fixed at the top end of the barrel 123. The output shaft of the motor 21 is connected with the drill chuck 22. The drill chuck 22 clamps and fixes the drill bit 23. The drill bit 23 coaxially extends out of the lower end of the barrel 123.

[0031] With reference to Figure 1 and Figure 2 The splash-proof assembly 4 comprises a fixing ring 41, a spring 42 and a cover 5. The fixing ring 41 is coaxially sleeved on the barrel 123. The cover 5 is sleeved on the barrel 123 and slidably arranged on the barrel 123 along the Z-axis direction. The two ends of the spring 42 are respectively connected with the fixing ring 41 and the cover 5. The cover 5 surrounds the drill bit 23.

[0032] With reference to Figure 1 and Figure 2 The clamp 3 can be a common quick clamp or a vice and the like. The clamp 3 clamps the workpiece on both sides. The clamp 3 does not affect the cover 5. After the clamp 3 clamps the workpiece, the motor 21 is started. The Z-axis sliding table 11 moves downward. The drill bit 23 drills the workpiece. At this time, the cover 5 abuts against the surface of the workpiece and covers the drill bit 23. The splashed debris can be blocked by the cover 5. The situation that the splashed debris injures people during machining can be improved.

[0033] With reference to Figure 1 and Figure 2 The cover 5 comprises a transparent cover 51, an annular magnetic block 52 and a magnetite 53. The bottom end of the spring 42 is fixedly arranged on the magnetic block 52. The magnetite 53 is fixedly arranged at the top end of the transparent cover 51. The magnetite 53 adsorbs the magnetic block 52.

[0034] With reference to Figure 1 and Figure 2 The transparent cover 51 is detachable. The transparent cover 51 can be removed for use according to the actual situation. The transparent cover 51 can be replaced after being damaged.

[0035] With reference to Figure 1 and Figure 2 The circumferential side wall of the magnetic block 52 is provided with a force applying block 521 for applying force by hand. The magnetic block 52 and the magnetite 53 are separated, so that the transparent cover 51 is conveniently detached.

[0036] With reference to Figures 1-3 , the transparent cover 51 is provided with two semi-annular air passages 512 which are not communicated with each other, a plurality of air outlets 513 are arranged on the inner wall of the semi-annular air passages 512 in the circumferential direction, the air outlets 513 are all arranged towards the bottom end of the drill bit 23, and two communicating pipes 514 are arranged on the transparent cover 51, the two communicating pipes 514 correspond to the two semi-annular air passages 512 respectively, one end of the communicating pipe 514 communicates with the corresponding semi-annular air passage 512, and the other end of the communicating pipe 514 is used for communicating with the fan.

[0037] With reference to Figures 1-3 When the drill bit 23 is punching, the fan is started, and air flows out of the plurality of air outlets 513 and blows to the area of the drill bit 23 and the drill hole, so as to reduce the temperature of the drill bit 23 and reduce the friction and wear.

[0038] With reference to Figures 1-3 , a plurality of grooves 121 which are communicated with each other are arranged on the top surface of the X-axis sliding table 12. The grooves 121 can be used for mounting the clamp 3, and can also accommodate and clean the generated waste chips during machining, keep the working area clean, and reduce the influence of the iron chips on the machining precision.

[0039] With reference to Figures 1-3 , the waste chip groove 122 is arranged on the side of the X-axis sliding table 12 which is far away from the working site, the waste chip groove 122 communicates with at least one groove 121, and when the drill bit assembly 2 completes machining, the waste chip groove 122 is used for receiving the waste chips blown out of the plurality of air outlets 513 on one side of the semi-annular air passage 512.

[0040] With reference to Figures 1-3 , after the drill bit assembly 2 completes machining and resets, the waste chips will be accumulated on the workpiece, at this time, the fan supplies air to one of the communicating pipes 514, and the corresponding air outlet blows the waste chips towards the side which is far away from the working site into the waste chip groove 122, so that the waste chips can be conveniently collected.

[0041] With reference to Figures 1-3 , the rubber sleeve 511 is arranged on the bottom end of the transparent cover 51 in the circumferential direction. The rubber sleeve 511 can reduce the damage to the workpiece and prolong the service life of the transparent cover 51.

[0042] With reference to Figures 1-3 , the entire device is controlled by a PLC controller, the device matched with the PLC controller is a commonly used device and belongs to the existing mature technology, and the electrical connection relationship and the specific circuit structure are not described herein. The machining of the semi-annular air passage 512 in the transparent cover 51 can be performed by manufacturing the transparent cover 51 in a split manner and finally assembling the two parts together by using an adhesive.

[0043] Of course, the above merely is a typical example of the present application, and in addition to the above, the present application can have other various specific embodiments, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A three-axis numerical control machining center, comprising a frame (1), a Z-axis sliding table (11), an X-axis sliding table (12), a Y-axis sliding table (13), a drill bit assembly (2) and a clamp (3), the Z-axis sliding table (11) is slidingly arranged on the frame (1) along the Z-axis direction, the Y-axis sliding table (13) is slidingly arranged on the frame (1) along the Y-axis direction, the X-axis sliding table (12) is slidingly arranged on the Y-axis sliding table (13) along the X-axis direction, the drill bit assembly (2) is arranged on the Z-axis sliding table (11), and the clamp (3) is arranged on the X-axis sliding table (12) and used for clamping a workpiece, characterized in that: Also include splash-proof assembly (4), the X-axis sliding table (12) is formed with a cylinder (123) for installing drill bit assembly (2) and splash-proof assembly (4), the drill bit assembly (2) includes motor (21), drill chuck (22) and drill bit (23), the motor (21) is fixed at the top end of the cylinder (123), the output shaft of the motor (21) is connected with the drill chuck (22), the drill chuck (22) clamps the drill bit (23), the drill bit (23) coaxially extends from the lower end of the cylinder (123); ​ The splash-proof assembly (4) includes a fixed ring (41), a spring (42) and a cover (5), the fixed ring (41) is coaxially sleeved on the cylinder (123), the cover (5) is sleeved on the cylinder (123) and slides in the Z-axis direction, and the two ends of the spring (42) are connected with the fixed ring (41) and the cover (5) respectively, and the cover (5) surrounds the drill bit (23) inside.

2. A three-axis CNC machining center according to claim 1, characterized in that: The cover (5) includes a transparent cover (51), an annular magnetic block (52) and a magnetite (53), the bottom end of the spring (42) is fixedly arranged on the magnetic block (52), the magnetite (53) is fixedly arranged at the top end of the transparent cover (51), and the magnetite (53) adsorbs the magnetic block (52).

3. A three-axis CNC machining center according to claim 2, characterized in that: The circumferential side wall of the magnetic block (52) is provided with a force applying block (521) for hand force.

4. A three-axis CNC machining center according to claim 2, characterized in that: The transparent cover (51) is provided with two half-ring air channels (512) which are not communicated with each other, a plurality of air injection ports (513) are arranged on the inner wall of the half-ring air channel (512) in the circumferential direction, the air injection ports (513) are all arranged towards the bottom end of the drill bit (23), two communication pipes (514) are arranged on the transparent cover (51), the two communication pipes (514) correspond to the two half-ring air channels (512) respectively, one end of the communication pipe (514) communicates with the corresponding half-ring air channel (512), and the other end of the communication pipe (514) is used for communicating with a fan.

5. A three-axis numerically controlled machining center according to claim 4, characterized in that: A plurality of grooves (121) which are communicated with each other are arranged on the top surface of the X-axis sliding table (12).

6. A three-axis numerically controlled machining center according to claim 5, characterized in that: The X-axis sliding table (12) is provided with a waste groove (122) on the side away from the working site, the waste groove (122) communicates with at least one groove (121), and when the drill bit assembly (2) completes machining, the waste groove (122) is used for receiving the waste blown out by a plurality of air injection ports (513) on one side of the half-ring air channel (512).

7. A three-axis CNC machining center according to claim 2, characterized in that: The bottom end of the transparent cover (51) is covered with a rubber sleeve (511) in the circumferential direction.

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