Vertical drilling machine for multi-station machining

Abstract

The utility model discloses a vertical drilling machine for multi-station machining, which comprises a base, a positioning column is arranged in the base, the top of the positioning column is connected with an operating frame, a rotary table is arranged at the top of the base, a plurality of placing tables are arranged on the rotary table, positioning mechanisms are mounted on the placing tables, and workpieces are clamped on the positioning mechanisms. A plurality of sliding grooves are formed in the periphery of the operation frame, a lifting seat is arranged in each sliding groove in a sliding fit mode, a driving mechanism is arranged in each lifting seat, the bottom of each driving mechanism is connected with a cardan shaft, the bottom of each cardan shaft is connected with a drilling assembly, an operation cover is arranged at the bottom of each lifting seat, a plurality of hoisting plates are installed at the bottom of each operation cover, and the drilling assemblies are installed on the hoisting plates respectively. The drilling machine has the advantages that automatic clamping and automatic positioning drilling can be carried out, multi-hole machining of the same workpiece can be carried out at the same time, multi-axis machining of the workpiece is achieved, meanwhile, overall arrangement is simple, feeding and discharging of the workpiece are facilitated, and the drilling machining time is shortened.

Description

Technical Field

[0001] The utility model belongs to the technical field of vertical drilling, and more specifically, relates to a vertical drilling machine for multi-station processing. Background Art

[0002] At present, the Chinese patent with publication number CN203343471U discloses a multi-station rotary vertical drilling machine, including a machine body, an angle dividing table is fixed in the center of the machine body, and multiple clamping devices are arranged along the circumferential direction of the angle dividing table. Corresponding to the multiple clamping devices, multiple processing stations and a clamping station are arranged on the machine body, and an independent drill shaft feeding device is arranged corresponding to each processing station. The drilling processing of the crankshaft workpiece by the drill shaft is realized by clamping the crankshaft workpiece through the linkage control of the clamping device and the drill shaft feeding device. The drilling feed device can adjust the position and angle of the hole as required; the structure is reasonable, the loading and unloading of the processing workpiece fixture is simple and fast, and the workpiece can be clamped during processing, which greatly improves the processing efficiency.

[0003] Although this type of device can perform multi-station drilling, it cannot perform multi-axis drilling and can only perform single drilling. The processing time is long, and the workpiece cannot be rotated. The drilling flexibility is poor and it is not suitable for processing and drilling circular workpieces. The structure is too compact, which is not conducive to loading and unloading workpieces. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a vertical drilling machine for multi-station processing to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a vertical drilling machine for multi-station processing, including a base, a positioning column is provided in the base, the top of the positioning column is connected to the working frame, the top of the base is provided with symmetrical frustum wheels, the frustum wheels are distributed in a circle, a turntable is assembled outside the frustum wheel, a rotating mechanism is provided in the base, the turntable is driven to rotate by the rotating mechanism, a plurality of placement tables are provided on the turntable, the plurality of placement tables are distributed in a circle, a positioning mechanism is installed on the positioning mechanism, a workpiece is clamped on the positioning mechanism, and a plurality of sliding plates are provided around the working frame. The adjusting screw is fixed on the mounting base on the side of the work frame by means of a screw sleeve, and the top of the adjusting screw is connected to the adapter shaft in the lifting seat through a coupling, and the adjusting screw moves up and down through the screw sleeve. A driving mechanism is provided in the lifting seat, which drives the adjusting screw to rotate. The bottom of the driving mechanism is connected to a universal shaft, and the bottom of the universal shaft is connected to a drilling assembly. An operating cover is provided at the bottom of the lifting seat, and a plurality of lifting plates are installed at the bottom of the operating cover, and the drilling assemblies are respectively installed on a plurality of lifting plates.

[0006] As an optional solution of the present invention, the rotating mechanism includes a positioning ring, the top of the positioning ring is connected to the bottom of the turntable through a connecting column, the inner wall of the positioning ring is provided with a gear ring, a driving gear is engaged in the gear ring, and the driving gear is assembled at the driving end of the first motor. The first motor is provided in the base, and the turntable on the positioning ring is driven to rotate by the first motor.

[0007] As an optional solution of the present invention, the positioning mechanism includes a positioning seat, a second motor is installed in the positioning seat, a driving end of the second motor is connected to a three-jaw chuck, and a workpiece is clamped on the top of the three-jaw chuck.

[0008] As an optional solution of the present invention, a ball seat is further provided at the bottom of the three-jaw chuck, and the ball seat is affixed to the positioning seat.

[0009] As an optional solution of the present invention, the driving mechanism includes a third motor, which is installed on the top of the lifting seat. The driving end of the third motor is connected to a transmission shaft, and a plurality of driven shafts are arranged around the transmission shaft. The plurality of driven shafts are distributed circumferentially. Working gears are installed on the plurality of driven shafts and the transmission shaft, and they are meshed with each other for transmission. A transition shaft is also provided on one side of the transmission shaft, and a transition gear is provided on the transition shaft. The transition gear meshes with the transfer gear on the transmission shaft, and the other side of the transition gear meshes with the adjusting gear. The adjusting gear is assembled on the transfer shaft, and the bottom of the transmission shaft and the driven shaft are connected to the universal shaft through a pin shaft.

[0010] As an optional solution of the present invention, the drilling assembly includes a drill barrel, which is installed on a lifting plate. The bottom of the rotating shaft in the drill barrel is connected to a chuck, and a drill bit is installed in the chuck. The drill bit is driven to rotate at high speed by the rotation of the universal joint to perform drilling operations.

[0011] As an optional solution of the present invention, a material placement table is further provided on one side of the base for placing the processed workpieces.

[0012] The utility model provides a vertical drilling machine for multi-station processing, which has the following beneficial effects:

[0013] By setting the first motor to drive the turntable to rotate until it is facing the drill bit, multiple groups of workpieces can be drilled synchronously to achieve multi-station processing. The third motor drives the adjusting screw to rotate, thereby driving the lifting seat to descend. At the same time, the transmission shaft and the driven shaft rotate synchronously. The universal joint at the bottom drives the rotating shaft in the drill barrel to rotate, realizing multi-axis rotation and synchronous drilling of multiple drill bits to improve drilling efficiency. When the workpiece position needs to be adjusted, the second motor in the positioning seat drives the three-jaw chuck to rotate, thereby driving the workpiece to rotate, which is convenient for adjusting the position for drilling. The operation is convenient, no manual adjustment is required, and the drilling accuracy is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 It is a front view of the utility model;

[0016] Figure 3 It is the BB cross-sectional view of the present utility model;

[0017] Figure 4 For this utility model Figure 3 A partial enlarged view of

[0018] Figure 5 It is a CC sectional view of the present utility model.

[0019] In the figure: 1. Base; 101. Positioning column; 102. Cone wheel; 2. Unloading table; 3. Turntable; 301. Positioning ring; 302. Ring gear; 303. Driving gear; 304. First motor; 4. Placing table; 5. Positioning seat; 501. Second motor; 6. Three-jaw chuck; 601. Ball seat; 602. Workpiece; 7. Working frame; 701. Adjusting screw; 702. Adjusting gear; 8. Lifting seat; 801. Working cover; 9. Third motor; 901. Transmission shaft; 11. Transition shaft; 111. Transition gear; 12. Driven shaft; 121. Working gear; 13. Universal joint; 14. Drill barrel; 141. Drill bit; 142. Lifting plate. DETAILED DESCRIPTION

[0020] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] See also Figures 1 to 5 The utility model provides a technical solution: a vertical drilling machine for multi-station processing, comprising a base 1, a positioning column 101 is provided in the base 1, the top of the positioning column 101 is connected to the working frame 7, a symmetrical frustum wheel 102 is provided on the top of the base 1, the frustum wheel 102 is distributed in a circle, a turntable 3 is assembled on the outside of the frustum wheel 102, a rotating mechanism is provided in the base 1, and the turntable 3 is driven to rotate by the rotating mechanism. The rotating mechanism includes a positioning ring 301, the top of the positioning ring 301 is connected to the bottom of the turntable 3 through an adapter column, a gear ring 302 is provided on the inner wall of the positioning ring 301, a driving gear 303 is meshed in the gear ring 302, and the driving gear 303 is assembled at the driving end of a first motor 304, the first motor 304 is provided in the base 1, and the turntable 3 on the positioning ring 301 is driven to rotate by the first motor 304, a plurality of placing tables 4 are provided on the turntable 3, the plurality of placing tables 4 are distributed in a circle, a positioning mechanism is mounted on the plurality of placing tables 4, and a workpiece 602 is clamped on the positioning mechanism.

[0024] The positioning mechanism includes a positioning seat 5, in which a second motor 501 is installed. The driving end of the second motor 501 is connected to the three-jaw chuck 6. A ball seat 601 is also provided at the bottom of the three-jaw chuck 6. The ball seat 601 fits on the positioning seat 5 to improve the rotation and support stability of the three-jaw chuck 6. A workpiece 602 is clamped on the top of the three-jaw chuck 6. A plurality of slide grooves are provided around the working frame 7. A lifting seat 8 is slidably fitted in each slide groove. An adjusting screw rod 701 is provided on one side of each slide groove. The adjusting screw rod 701 is fixed to the mounting seat on one side of the working frame 7 through a matching screw sleeve. The top of the adjusting screw rod 701 is connected to the adapter shaft in the lifting seat 8 through a coupling. The adjusting screw rod 701 moves up and down through the screw sleeve. A driving mechanism is provided in the lifting seat 8, which drives the adjusting screw rod 701 to rotate through the driving mechanism to realize the overall lifting of the lifting seat 8.

[0025] The driving mechanism includes a third motor 9, which is installed on the top of the lifting seat 8. The driving end of the third motor 9 is connected to a transmission shaft 901. A plurality of driven shafts 12 are arranged around the transmission shaft 901. The plurality of driven shafts 12 are distributed circumferentially. Working gears 121 are installed on the plurality of driven shafts 12 and the transmission shaft 901, and they are meshed with each other for transmission. A transition shaft 11 is also provided on one side of the transmission shaft 901. A transition gear 111 is provided on the transition shaft 11. The transition gear 111 meshes with the transfer gear on the transmission shaft 901. The other side of the transition gear 111 meshes with the adjusting gear 702. The adjusting gear 702 is assembled on the transfer shaft to drive the adjusting screw 701 to rotate, and the transmission The bottom of the shaft 901 and the driven shaft 12 are connected to the universal joint 13 through a pin shaft, and the bottom of the universal joint 13 is connected to the drilling assembly, thereby driving the drilling assembly to perform drilling operations. An operating cover 801 is provided at the bottom of the lifting seat 8, and multiple lifting plates 142 are installed at the bottom of the operating cover 801. The drilling assemblies are respectively installed on multiple lifting plates 142. The drilling assembly includes a drill barrel 14, and the drill barrel 14 is installed on the lifting plate 142. The bottom of the rotating shaft in the drill barrel 14 is connected to the chuck, and a drill bit 141 is installed in the chuck. The drill bit 141 is driven to rotate at high speed through the rotation of the universal joint 13 to perform drilling operations. A material discharge table 2 is also provided on one side of the base 1 for placing the processed workpiece 602.

[0026] The specific usage and function of this embodiment are as follows: first, place the workpiece 602 to be processed in the three-jaw chuck 6. After installation is completed, start the first motor 304 to drive the turntable 3 to rotate until it is facing the drill bit 141 for drilling. After stopping, start the third motor 9 to drive the adjusting screw 701 to rotate, thereby driving the lifting seat 8 to descend. At the same time, the transmission shaft 901 and the driven shaft 12 rotate synchronously, and the universal joint 13 at the bottom drives the rotating shaft in the drill barrel 14 to rotate, realizing multi-axis rotation. Multiple drill bits 141 synchronize drilling processing to improve drilling efficiency. If the position of the workpiece 602 needs to be adjusted, the second motor 501 can be started to drive the three-jaw chuck 6 to rotate, thereby driving the workpiece 602 to rotate. After adjusting the position, the drilling operation can be carried out. The operation is convenient, no manual adjustment is required, and the drilling accuracy is improved.

[0027] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A vertical drilling machine for multi-station processing, characterized by: The invention comprises a base (1), wherein a positioning column (101) is provided in the base (1), wherein the top of the positioning column (101) is connected to the working frame (7), wherein a symmetrical conical wheel (102) is provided on the top of the base (1), wherein the conical wheel (102) is distributed in a circle, wherein a turntable (3) is mounted on the outside of the conical wheel (102), wherein a rotating mechanism is provided in the base (1), wherein the turntable (3) is driven to rotate by the rotating mechanism, wherein a plurality of placement platforms (4) are provided on the turntable (3), wherein the plurality of placement platforms (4) are distributed in a circle, wherein a positioning mechanism is installed on each of the plurality of placement platforms (4), wherein a workpiece (602) is clamped on the positioning mechanism, wherein a plurality of slide grooves are provided around the working frame (7), wherein a lifting seat (8) is slidably fitted in each slide groove, wherein the lifting seat (8) is provided in a sliding manner, wherein the lifting seat (8) is provided in a sliding manner, wherein the lifting seat (8) is provided in a sliding manner, wherein the lifting seat (602 ... An adjusting screw rod (701) is provided on one side of each slide groove, and the adjusting screw rod (701) is fixed to a mounting seat on one side of the operating frame (7) through a matching screw rod sleeve. The top of the adjusting screw rod (701) is connected to the transfer shaft in the lifting seat (8) through a coupling, and the adjusting screw rod (701) moves up and down through the screw rod sleeve. A driving mechanism is provided in the lifting seat (8), and the adjusting screw rod (701) is driven to rotate by the driving mechanism. The bottom of the driving mechanism is connected to a universal shaft (13), and the bottom of the universal shaft (13) is connected to a drilling assembly. An operating cover (801) is provided at the bottom of the lifting seat (8), and a plurality of hoisting plates (142) are installed at the bottom of the operating cover (801). The drilling assemblies are respectively installed on the plurality of hoisting plates (142).

2. A multi-station vertical drilling machine according to claim 1, characterized in that: The rotating mechanism comprises a positioning ring (301), the top of the positioning ring (301) is connected to the bottom of the turntable (3) via a connecting column, a gear ring (302) is provided on the inner wall of the positioning ring (301), a driving gear (303) is meshed in the gear ring (302), and the driving gear (303) is assembled on the driving end of a first motor (304), the first motor (304) is provided in the base (1), and the turntable (3) on the positioning ring (301) is driven to rotate by the first motor (304).

3. The multi-station vertical drilling machine according to claim 1, characterized in that: The positioning mechanism comprises a positioning seat (5), a second motor (501) is installed in the positioning seat (5), a driving end of the second motor (501) is connected to a three-jaw chuck (6), and a workpiece (602) is clamped on the top of the three-jaw chuck (6).

4. A multi-station vertical drilling machine according to claim 3, characterized in that: A ball seat (601) is also provided at the bottom of the three-jaw chuck (6), and the ball seat (601) is fitted on the positioning seat (5).

5. The multi-station vertical drilling machine according to claim 1, characterized in that: The driving mechanism includes a third motor (9), which is installed on the top of the lifting seat (8). The driving end of the third motor (9) is connected to a transmission shaft (901). A plurality of driven shafts (12) are arranged around the transmission shaft (901). The plurality of driven shafts (12) are distributed in a circumferential manner. The plurality of driven shafts (12) and the transmission shaft (901) are both installed with working gears (121), and they mesh with each other for transmission. A transition shaft (11) is also provided on one side of the transmission shaft (901). A transition gear (111) is provided on the transition shaft (11). The transition gear (111) meshes with a transfer gear on the transmission shaft (901). The other side of the transition gear (111) meshes with an adjustment gear (702). The adjustment gear (702) is assembled on the transfer shaft. The transmission shaft (901) and the bottom of the driven shaft (12) are connected to a universal shaft (13) through a pin shaft.

6. The multi-station vertical drilling machine according to claim 1, characterized in that: The drilling assembly comprises a drill barrel (14), the drill barrel (14) being mounted on a hoisting plate (142), the bottom of a rotating shaft in the drill barrel (14) being connected to a chuck, a drill bit (141) being mounted in the chuck, and the drill bit (141) being driven to rotate at high speed by the rotation of the universal shaft (13) to perform drilling operations.

7. The multi-station vertical drilling machine according to claim 1, characterized in that: A material placement platform (2) is also provided on one side of the base (1) for placing the processed workpiece (602).

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