Electric spindle for machining center

Abstract

The utility model discloses an electric spindle for a machining center, which relates to the field of machining centers and comprises a main support sleeve, outer mounting rings are horizontally and symmetrically welded on the outer side edge of the main support sleeve, a spindle body is vertically and rotatably arranged on the inner side edge of the main support sleeve, and side mounting blocks are uniformly butted on the outer side edge of the main support sleeve. A mounting clamping groove is formed in the end, away from the main supporting sleeve, of the mounting side block, mounting screw holes are symmetrically connected to the inner side edge of the mounting clamping groove in a clamped mode, a telescopic vertical rod is fixedly connected to the inner side edge of the mounting clamping groove in the vertical direction, and a turnover motor is fixedly arranged on one side edge of the telescopic vertical rod; a turnover connecting rod is horizontally arranged on the side edge of the telescopic vertical rod, an end clamping block is horizontally arranged at one end of the turnover connecting rod, a split structure is adopted so that the device can be installed and used according to needs, meanwhile, due to a buckle connecting structure, the device can be installed more conveniently, and due to an automatic feeding and discharging structure, drill bit replacement is more intelligent and efficient.

Description

Technical Field

[0001] This utility model relates to the field of machining center technology, specifically an electric spindle for machining centers. Background Technology

[0002] CNC milling machines, also known as numerical control milling machines, are milling machines controlled by electronic digital signals. They are automated machining equipment developed from conventional milling machines, sharing similar machining processes and structures. CNC milling machines are broadly classified into two categories: those without a tool magazine and those with a tool magazine. CNC milling machines with a tool magazine are also called machining centers.

[0003] When installing and using electric spindles in current machining centers, the single electric spindle structure requires manual assistance when installing drill bits, making installation and replacement cumbersome. Some automatic replacement structures require the electric spindle to be moved to the fixed drill bit position for replacement, which makes the operation less intelligent and efficient. Utility Model Content

[0004] The purpose of this utility model is to provide an electric spindle for machining centers, in order to solve the problems mentioned in the background art. For current machining centers, the installation and use of electric spindles is complicated by the need for manual assistance when installing drill bits due to the single structure of the electric spindle. This makes installation and replacement cumbersome. Furthermore, some current automatic replacement structures require the electric spindle to be moved to the fixed drill bit position for replacement, which makes the operation less intelligent and efficient.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An electric spindle for a machining center includes a main support sleeve. A mounting outer ring is horizontally and symmetrically welded to the outer side of the main support sleeve. A spindle body is vertically rotatably mounted on the inner side of the main support sleeve. Mounting side blocks are evenly connected to the outer side of the main support sleeve. Each mounting side block has a mounting groove at its end away from the main support sleeve. Mounting screw holes are symmetrically engaged on the inner side of the mounting groove. A telescopic upright is vertically fixedly connected to the inner side of the mounting groove. A tilting motor is fixedly mounted on one side of the telescopic upright. A tilting connecting rod is horizontally mounted on the side of the telescopic upright. An end clamping block is horizontally mounted at one end of the tilting connecting rod. The outer side of the main support sleeve… The sides are uniformly fixed with external snap-fit ​​strips. One end of the mounting side block has a snap-fit ​​groove. The top of the side of the telescopic pole has uniformly formed connecting holes. The inner side of the telescopic pole is vertically fixed with a vertical cylinder. The bottom end of the telescopic pole has a horizontal bottom flip groove. The inner side of the bottom flip groove has symmetrical inner sleeve holes. One end of the flipping connecting rod is horizontally fixed with an end flipping block. The side of the end flipping block is inserted with a flipping shaft. The inner side of the flipping connecting rod is horizontally fixed with a horizontal cylinder. The end of the flipping connecting rod away from the end flipping block has an end screw hole. The side of the end snap-fit ​​block is fixedly connected with a mounting screw.

[0007] In a preferred embodiment of this utility model, there are two mounting outer rings, which are arranged in parallel and superimposed on each other. The mounting outer rings are fixedly installed at both ends of the outer side of the main support sleeve, and the top surface of the mounting outer rings is uniformly provided with through holes.

[0008] In a preferred embodiment of this utility model: the main shaft is vertically rotatably mounted on the inner central axis of the main support sleeve. There are multiple mounting side blocks, which are spliced ​​together in a ring arrangement on the outer side of the main support sleeve. The specifications and dimensions of the mounting side blocks are all consistent. The mounting slot is opened through the center of the side of the mounting side block.

[0009] In a preferred embodiment of this utility model: the number of telescopic uprights is consistent with the number of mounting side blocks, the top side of the telescopic upright is fixedly connected to the inner side of the mounting slot, the flipping motor is fixedly installed on the side of the telescopic upright near the bottom, and the output end is horizontally extended and fixedly connected to one end of the flipping shaft.

[0010] In a preferred embodiment of this utility model: one end of the flipping connecting rod is horizontally positioned near the opening end of the bottom flipping groove, the end clamping block is clamp-shaped, there are multiple outer clamping strips, and the multiple outer clamping strips are arranged in a ring at equal intervals, the clamping groove is vertically sleeved on the outer side of the outer clamping strip, and the bottom flipping groove is horizontally opened through the center line of the bottom end of the telescopic pole.

[0011] In a preferred embodiment of this utility model: one end of the end flipping block is horizontally snapped into the inner side of the bottom flipping groove, both ends of the flipping shaft are inserted into the inner side of the inner sleeve hole, and one end of the mounting screw is threadedly fixedly connected to the inner side of the end screw hole.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention involves vertically positioning the main support sleeve at a designated location on the machining center, then fixing the outer ring with bolts. The internal spindle rotates during machining, allowing multiple mounting side blocks to be vertically fitted onto the outer edge of the outer clamping strip via snap-fit ​​grooves at one end. These side blocks are then arranged in a ring around the outer edge of the main support sleeve. Multiple telescopic uprights are then snapped into their corresponding mounting slots via side snap-fits. Bolts are then used to connect the mounting screw holes and mating holes, securing the telescopic uprights within the mounting slots. Finally, the required drill bit structure is snapped into the inner edge of the end snap-fit ​​block. When the drill bit is installed at the bottom of the spindle, the vertical cylinder can be controlled to extend and retract vertically, causing the telescopic column to move the bottom flipping linkage downwards to the designated position. After the side flipping motor rotates, the output end drives the end flipping block to flip inside the bottom flipping groove, allowing the drill bit, which is fixed at one end, to flip and snap into the bottom connection hole of the spindle body. After the horizontal cylinder extends and retracts horizontally, the lateral distance of the installation point can be adjusted. The modular structure allows for installation and use as needed, while the snap-fit ​​connection structure makes installation more convenient. The automated loading and unloading structure makes changing drill bits more intelligent and efficient. Attached Figure Description

[0014] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 This is a three-dimensional structural diagram of an electric spindle used in a machining center;

[0016] Figure 2 A schematic diagram showing the structural details of the three-dimensional connection of the main support sleeve of an electric spindle used in a machining center;

[0017] Figure 3 A schematic diagram showing the structural details of the mounting side block connection for an electric spindle used in a machining center;

[0018] Figure 4 A structural schematic diagram showing the connection details of a three-dimensional cross-section of the telescopic upright of an electric spindle used in a machining center;

[0019] Figure 5 This is a structural schematic diagram showing the details of the three-dimensional cross-sectional connection of the flipping linkage of an electric spindle used in a machining center.

[0020] In the diagram: 1. Main support sleeve; 2. Mounting outer ring; 3. Main shaft; 4. Mounting side block; 5. Mounting slot; 6. Mounting screw hole; 7. Telescopic upright; 8. Tilting motor; 9. Tilting connecting rod; 10. End clamping block; 11. Outer clamping strip; 12. Clamping groove; 13. Connecting hole; 14. Vertical cylinder; 15. Bottom tilting groove; 16. Inner sleeve hole; 17. End tilting block; 18. Tilting shaft; 19. Horizontal cylinder; 20. End screw hole; 21. Mounting screw. Detailed Implementation

[0021] Please see Figure 1In this embodiment of the present invention, an electric spindle for a machining center includes a main support sleeve 1. Two mounting outer rings 2 are horizontally and symmetrically welded to the outer side of the main support sleeve 1, and these two mounting outer rings 2 are arranged in a superimposed, parallel configuration. The mounting outer rings 2 are fixedly positioned at both ends of the outer side of the main support sleeve 1. Through holes are uniformly formed on the top surface of the mounting outer rings 2. A spindle body 3 is vertically rotatably mounted on the inner side of the main support sleeve 1. Mounting side blocks 4 are uniformly connected to the outer side of the main support sleeve 1. Mounting side blocks 4 have mounting grooves 5 at their ends away from the main support sleeve 1. The spindle body 3 is vertically rotatably mounted on the inner central axis of the main support sleeve 1. Multiple mounting side blocks 4 are spliced ​​together in a ring arrangement on the outer side of the main support sleeve 1. The dimensions of the mounting side blocks 4 are uniform. To maintain consistency, the mounting slot 5 is through-holely opened at the center of the side of the mounting side block 4. The inner side of the mounting slot 5 is symmetrically fitted with mounting screw holes 6. The inner side of the mounting slot 5 is vertically fixedly connected to the telescopic upright 7. A flip motor 8 is fixedly installed on one side of the telescopic upright 7. The number of telescopic upright 7 is consistent with the number of mounting side blocks 4. The top side of the telescopic upright 7 is fixedly connected to the inner side of the mounting slot 5. The flip motor 8 is fixedly installed on the side of the telescopic upright 7 near the bottom end, and the output end extends horizontally and is fixedly connected to one end of the flip shaft 18. A flip connecting rod 9 is horizontally installed on the side of the telescopic upright 7. An end clamping block 10 is horizontally installed at one end of the flip connecting rod 9. One end of the flip connecting rod 9 is horizontally installed near the opening end of the bottom flip groove 15. The end clamping block 10 is clamp-shaped.

[0022] Please see Figure 2-5In this embodiment of the present invention, an electric spindle for a machining center is provided, wherein an outer snap-fit ​​strip 11 is uniformly welded to the outer side of the main support sleeve 1, a snap-fit ​​groove 12 is provided at one end of the mounting side block 4, a mating connecting hole 13 is uniformly provided at the top of the side of the telescopic upright 7, a vertical cylinder 14 is vertically fixedly connected to the inner side of the telescopic upright 7, and a bottom flip groove 15 is horizontally provided at the bottom end of the telescopic upright 7. There are multiple outer snap-fit ​​strips 11, and these strips are arranged in a ring at equal intervals. The snap-fit ​​groove 12 is vertically sleeved on the outer side of the outer snap-fit ​​strip 11, and the bottom flip groove 15 is horizontally through-hole in the telescopic upright 7. At the bottom centerline position, the inner side of the bottom flip groove 15 is symmetrically provided with inner sleeve holes 16. One end of the flip connecting rod 9 is horizontally fixedly welded with an end flip block 17. The side of the end flip block 17 is inserted with a flip shaft 18. The inner side of the flip connecting rod 9 is horizontally fixedly connected with a horizontal cylinder 19. The end of the flip connecting rod 9 away from the end flip block 17 is provided with an end screw hole 20. The side of the end snap block 10 is fixedly connected with an installation screw 21. One end of the end flip block 17 is horizontally snapped into the inner side of the bottom flip groove 15. Both ends of the flip shaft 18 are inserted into the inner side of the inner sleeve hole 16. One end of the installation screw 21 is threadedly fixedly connected to the inner side of the end screw hole 20.

[0023] The working principle of this utility model is as follows:

[0024] After the main support sleeve 1 is vertically positioned at the designated location on the machining center, the outer mounting ring 2 is fixed in place with bolts. The internal spindle 3 rotates during machining, allowing multiple mounting side blocks 4 to be vertically fitted onto the outer side of the outer snap-fit ​​strip 11 via the snap-fit ​​groove 12 at one end. These side blocks 4 are then arranged in a ring around the outer side of the main support sleeve 1. Multiple telescopic uprights 7 are then snapped into their corresponding mounting slots 5 via side snap-fit. Finally, the mounting screw holes 6 and mating connecting holes 13 are fixed together with bolts, ensuring the telescopic uprights 7 are securely fixed within the mounting slots 5. After the required drill bit structure is correspondingly snapped into place on the inner side of the end snapping block 10, when the corresponding drill bit is installed at the bottom position of the spindle rod 3, the vertical cylinder 14 can be controlled to extend and retract vertically, so that the telescopic upright rod 7 drives the bottom flipping connecting rod 9 to move downward to the designated position. After the side flipping motor 8 rotates, the output end drives the end flipping block 17 to flip inside the bottom flipping groove 15, so that the drill bit fixed at one end flips and snaps into the bottom connecting hole of the spindle body 3. After the horizontal cylinder 9 extends and retracts horizontally, the lateral distance of the installation point can be adjusted.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An electric spindle for machining centers comprising a main support sleeve (1), characterized in that, The outer side of the main support sleeve (1) is horizontally and symmetrically welded with an outer ring (2). The inner side of the main support sleeve (1) is vertically and rotatably provided with a main shaft (3). The outer side of the main support sleeve (1) is evenly connected with mounting side blocks (4). The mounting side blocks (4) have a mounting slot (5) at the end away from the main support sleeve (1). The inner side of the mounting slot (5) is symmetrically fitted with mounting screw holes (6). The inner side of the mounting slot (5) is vertically fixedly connected with a telescopic upright (7). A flipping motor (8) is fixedly provided on one side of the telescopic upright (7). A flipping connecting rod (9) is horizontally provided on the side of the telescopic upright (7). An end clamping block (10) is horizontally provided at one end of the flipping connecting rod (9). The outer side of the main support sleeve (1) is evenly and fixedly welded with an outer clamping strip (11). One end of the mounting side block (4) is provided with a snap-fit ​​groove (12). The top of the side of the telescopic pole (7) is provided with matching connecting holes (13). The inner side of the telescopic pole (7) is vertically fixedly connected with a vertical cylinder (14). The bottom end of the telescopic pole (7) is horizontally provided with a bottom flip groove (15). The inner side of the bottom flip groove (15) is symmetrically provided with inner sleeve holes (16). One end of the flipping connecting rod (9) is horizontally fixedly welded with an end flipping block (17). The side of the end flipping block (17) is inserted with a flipping shaft (18). The inner side of the flipping connecting rod (9) is horizontally fixedly connected with a horizontal cylinder (19). The end of the flipping connecting rod (9) away from the end flipping block (17) is provided with an end screw hole (20). The side of the end snap-fit ​​block (10) is fixedly connected with an installation screw (21).

2. An electrospindle for machining centers according to claim 1, characterized in that, The number of the mounting outer rings (2) is two, and the two mounting outer rings (2) are arranged in parallel and superimposed on each other. The mounting outer rings (2) are fixedly set at both ends of the outer side of the main support sleeve (1). The top surface of the mounting outer rings (2) is uniformly provided with through holes.

3. An electrospindle for machining centers according to claim 1, characterized in that, The main shaft (3) is vertically and rotatably mounted on the inner central axis of the main support sleeve (1). There are multiple mounting side blocks (4), and the multiple mounting side blocks (4) are spliced ​​together in a ring and arranged on the outer side of the main support sleeve (1). The specifications and dimensions of the mounting side blocks (4) are all consistent. The mounting slot (5) is opened through the center of the side of the mounting side block (4).

4. An electrospindle for machining centers according to claim 1, characterized in that, The number of telescopic poles (7) is set to be consistent with the number of mounting side blocks (4). The top side of the telescopic pole (7) is fixedly connected to the inner side of the mounting slot (5). The flipping motor (8) is fixedly set on the side of the telescopic pole (7) near the bottom end, and the output end is horizontally extended and fixedly connected to one end of the flipping shaft (18).

5. An electrospindle for machining centers according to claim 1, characterized in that, One end of the flipping link (9) is horizontally positioned near the opening of the bottom flipping groove (15). The end clamping block (10) is clamp-shaped. There are multiple outer clamping strips (11), which are arranged in a ring at equal intervals. The clamping groove (12) is vertically sleeved on the outer side of the outer clamping strip (11). The bottom flipping groove (15) is horizontally opened through the center line of the bottom of the telescopic pole (7).

6. An electrospindle for machining centers according to claim 1, characterized in that, One end of the end flipping block (17) is horizontally snapped into the inner side of the bottom flipping groove (15), and both ends of the flipping shaft (18) are inserted into the inner side of the inner sleeve hole (16). One end of the mounting screw (21) is threadedly fixedly connected to the inner side of the end screw hole (20).

Images