Drilling equipment for multiple shaft holes of steel cap

Abstract

The utility model relates to the technical field of drilling machining, and discloses steel cap multi-shaft hole drilling equipment which comprises a base, stand columns are connected to the four corners of the top of the base respectively, an air cylinder is inserted in the middle of the interior of the base, a top plate is installed at the top ends of the stand columns respectively, and drill bits are connected to output shafts of gear transmission boxes respectively. A workpiece assembling base is installed in the middle of the top of the bearing plate, and a driving gear is inserted in the middle of the interior of the workpiece assembling base. And the swing arms are connected to the outer side of the special-shaped gear, and clamping columns are connected to the outer sides of the tops of the swing arms. According to the steel cap multi-shaft-hole drilling equipment, a steel cap workpiece is placed on the surface of the workpiece assembling base, then a second motor is started, a driving gear can be driven to rotate, accordingly, a special-shaped gear can rotate synchronously, and then a clamping column can be driven by a swing arm to do synchronous opening and closing movement so that the workpiece can be clamped and limited in a self-centering mode; and the precision of drilling machining is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bore processing technical field, concretely is a kind of steel cap multi-axle hole drilling equipment. BACKGROUND

[0002] Steel cap is made of cast ductile iron material. Steel cap is the combination of lower cylindrical part and upper I-shaped part, and steel cap multi-axle hole drilling usually refers to 2-axis or 4-axis drilling of I-shaped part of steel cap. Due to the special environment and working condition requirements of steel cap, there are high requirements for steel cap multi-axle hole drilling quality, such as coaxiality of steel cap multi-axle hole drilling and position accuracy of drilling.

[0003] Common multi-axle drilling equipment is composed of machine body, driving mechanism, drill bit and supporting clamp. When used, first clamp and position steel cap workpiece through supporting clamp, and then rotate drill bit through driving mechanism to drill workpiece. However, this method needs to clamp workpiece again for coaxial positioning during multi-axle drilling to ensure coaxiality and accuracy of drilling. Traditional screw clamp needs to be repeatedly disassembled and positioned when clamping steel cap workpiece, which leads to time-consuming and laborious drilling process, increases clamping and adjusting time, is not conducive to mass drilling, and cannot meet the working requirements of drilling. Therefore, a steel cap multi-axle hole drilling equipment is proposed. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a steel cap multi-axle hole drilling equipment to solve the technical problem that traditional screw clamp needs to be repeatedly disassembled and positioned when clamping steel cap workpiece, which leads to time-consuming and laborious drilling process and increases clamping and adjusting time.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a steel cap multi-axle hole drilling equipment, comprising:

[0006] The bottom plate is connected with the mounting frame at the bottom of the supporting plate.

[0007] The first motor is arranged at the top of the top plate. The bottom of the top plate is provided with a gear transmission box at a position corresponding to the first motor. The input shaft of the gear transmission box is connected with the rotor of the first motor. The output shaft of the gear transmission box is connected with the drill bit. The bottom of the supporting plate is connected with the mounting frame.

[0008] A second motor is arranged in the interior of the mounting frame, a workpiece assembly seat is arranged in the middle of the top of the supporting plate, a driving gear is arranged in the middle of the interior of the workpiece assembly seat, a special-shaped gear is arranged in the exterior of the interior of the workpiece assembly seat through a rotating shaft, the special-shaped gears are all engaged with the driving gear, and the bottom of the driving gear is coaxially connected with the top end of the rotor of the second motor.

[0009] Swing arms are all connected to the exterior of the special-shaped gears, and clamping columns are all connected to the top exterior of the swing arms.

[0010] Preferably, the height of the clamping column is greater than the thickness of the workpiece assembly seat, the top end of the air cylinder is connected with the bottom of the mounting frame, the up-and-down movement of the mounting frame and the supporting plate can be driven by the air cylinder, and the feeding and discharging are facilitated.

[0011] Preferably, plug shafts are arranged in the left and right sides of the interior of the top plate, connecting plates are arranged at the bottom ends of the plug shafts, and guide pressure plates are arranged in the interior of the connecting plates. After the workpiece is positioned and clamped, the movement of the supporting plate can be driven by the air cylinder, so that the workpiece is in contact with the guide pressure plate and is pressed tightly, and the stability during the drilling of the workpiece is improved.

[0012] Preferably, through holes are arranged in the positions corresponding to the drill bits in the interior of the guide pressure plate, and the area of the guide pressure plate is greater than the area of the workpiece assembly seat, so that the stability of the pressing of the workpiece is improved.

[0013] Preferably, limit plates are arranged on the exterior upper sides of the plug shafts, the diameters of the limit plates are greater than the diameter of the plug shafts, and springs are arranged on the exterior of the plug shafts at the positions between the top plate and the connecting plate.

[0014] Preferably, the upper and lower ends of the springs are connected with the corresponding positions in the interior of the top plate and the connecting plate respectively, and the diameters of the through holes are greater than the diameter of the drill bit.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The steel cap multi-axle hole drilling equipment places the steel cap workpiece on the surface of the workpiece assembly seat, starts the second motor, drives the rotation of the driving gear, makes the special-shaped gears rotate synchronously, drives the synchronous opening and closing movement of the clamping columns through the swing arms, clamps and limits the steel cap workpiece on the surface of the workpiece assembly seat, ensures that the axis of the drilling coincides with the axis of the workpiece, guarantees the coaxiality of the hole, and the circumferential positioning and clamping makes the steel cap workpiece not displace and shake during the machining process, so that the precision of the drilling position of the steel cap workpiece is improved, the steel cap workpiece is clamped on the workpiece assembly seat quickly and accurately through the self-centering clamping and limiting, the clamping and adjusting time is reduced, and the mass drilling of the steel cap is facilitated. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the top plate structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the bottom structure of the top plate of this utility model;

[0020] Figure 4 This is a schematic diagram of the bottom structure of the support plate of this utility model;

[0021] Figure 5 This is a schematic diagram of the support plate and workpiece assembly seat structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the internal structure of the workpiece assembly base of this utility model.

[0023] In the diagram: 1. Base; 2. Column; 3. Cylinder; 4. Top plate; 5. Support plate; 6. First motor; 7. Gear transmission box; 8. Drill bit; 9. Mounting bracket; 10. Second motor; 11. Workpiece assembly seat; 12. Drive gear; 13. Irregular gear; 14. Swing arm; 15. Snap-fit ​​post; 16. Insert shaft; 17. Connecting plate; 18. Guide pressure plate; 181. Through hole; 19. Spring; 20. Limiting plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a technical solution: a multi-axis drilling device for steel caps, comprising a base 1, a column 2, a cylinder 3, a top plate 4, a support plate 5, a first motor 6, a gear transmission box 7, a drill bit 8, a mounting bracket 9, a second motor 10, a workpiece assembly seat 11, a drive gear 12, a special-shaped gear 13, a swing arm 14, a snap-fit ​​column 15, a shaft insertion 16, a connecting plate 17, a guide pressure plate 18, a through hole 181, a spring 19, and a limiting plate 20.

[0026] Please see Figure 1 The base 1 has four columns 2 connected to its top corners. A cylinder 3 is inserted into the middle of the base 1. A top plate 4 is installed on the top of each column 2. A support plate 5 is fitted on the outside of the column 2.

[0027] Please refer to Figure 2 , the first motor 6 is installed on the top of the top plate 4, please refer to Figure 3 , the bottom of the top plate 4 is provided with a gear box 7 at a position corresponding to the first motor 6, the input shaft of the gear box 7 is connected with the rotor of the first motor 6, and the output shaft of the gear box 7 is connected with a drill bit 8, please refer to Figure 4 , the bottom of the supporting plate 5 is connected with a mounting frame 9;

[0028] The second motor 10 is installed in the mounting frame 9, please refer to Figure 5 , the top of the supporting plate 5 is provided with a workpiece assembly seat 11 at the middle position, please refer to Figure 6 , the inside of the workpiece assembly seat 11 is provided with a driving gear 12 at the middle position, and the outer periphery of the inside of the workpiece assembly seat 11 is inserted and mounted with a special-shaped gear 13 through a rotating shaft, the special-shaped gear 13 is engaged with the driving gear 12, and the bottom of the driving gear 12 is coaxially connected with the top end of the rotor of the second motor 10;

[0029] The swing arm 14 is connected to the outside of the special-shaped gear 13, the top of the swing arm 14 is connected with a clamping column 15, the height of the clamping column 15 is greater than the thickness of the workpiece assembly seat 11, the top end of the air cylinder 3 is connected with the bottom of the mounting frame 9, by placing the steel cap workpiece on the surface of the workpiece assembly seat 11, and then starting the second motor 10, the rotation of the driving gear 12 can be driven, so that the special-shaped gear 13 can be synchronously rotated, and then the swing arm 14 can drive the clamping column 15 to perform synchronous opening and closing movement to self-centering clamp and limit the steel cap workpiece on the surface of the workpiece assembly seat 11, so as to ensure that the axis of the hole coincides with the axis of the workpiece, and the coaxiality of the hole is ensured, and the circumferential positioning and clamping makes the steel cap workpiece not displace and shake during the machining process, so as to improve the precision of the steel cap workpiece drilling position, and the self-centering clamping and limiting of the steel cap workpiece can quickly and accurately clamp the steel cap workpiece on the workpiece assembly seat 11, reduce the clamping time and adjustment time, and be beneficial to the mass drilling of the steel cap;

[0030] Please refer to Figure 2 and Figure 3The inside left and right sides of the top plate 4 are respectively provided with an insertion shaft 16, the bottom end of the insertion shaft 16 is provided with a connecting plate 17, the inner side of the connecting plate 17 is provided with a guide pressure plate 18, the inside of the guide pressure plate 18 is provided with a through hole 181 corresponding to the drill bit 8, the area of the guide pressure plate 18 is greater than the area of the workpiece assembly seat 11, the outside upper side of the insertion shaft 16 is provided with a limiting disc 20, the diameter of the limiting disc 20 is greater than the diameter of the insertion shaft 16, the outside of the insertion shaft 16 is provided with a spring 19 between the top plate 4 and the connecting plate 17, the upper and lower ends of the spring 19 are respectively connected with the inner side of the top plate 4 and the connecting plate 17, the diameter of the through hole 181 is greater than the diameter of the drill bit 8, and the added guide pressure plate 18 can be in contact with the workpiece after the workpiece is positioned and clamped, so that the workpiece is pressed, and the stability during workpiece drilling is improved.

[0031] The steel cap workpiece is placed on the surface of the workpiece assembly seat 11, and then the second motor 10 is started, so that the driving gear 12 is driven to rotate, the special-shaped gear 13 is synchronously rotated, the clamping column 15 is driven by the swing arm 14 to synchronously open and close, the steel cap workpiece on the surface of the workpiece assembly seat 11 is self-centered clamped and limited, the axis of drilling is coincided with the axis of the workpiece, the coaxiality of the hole is ensured, the steel cap workpiece does not displace and shake in the machining process due to the circumferential positioning and clamping, the accuracy of the drilling position of the steel cap workpiece is improved, the steel cap workpiece is quickly and accurately clamped on the workpiece assembly seat 11 by self-centering clamping and limiting, the clamping time and adjustment time are reduced, and the steel cap is beneficial to mass drilling.

[0032] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel cap multi-axial hole drilling apparatus, characterized by, Include: The base (1), the top four corners of the base (1) are connected with the column (2), the middle of the inside of the base (1) is inserted with the cylinder (3), the top of the column (2) is installed with the top plate (4), the outside of the column (2) is sleeved with the supporting plate (5); The first motor (6) is installed at the top of the top plate (4), the bottom of the top plate (4) is installed with the gear transmission box (7) at the position corresponding to the first motor (6), the input shaft of the gear transmission box (7) is connected with the rotor of the first motor (6), the output shaft of the gear transmission box (7) is connected with the drill bit (8), the bottom of the supporting plate (5) is connected with the mounting bracket (9); The second motor (10) is installed in the inside of the mounting bracket (9), the top middle position of the supporting plate (5) is installed with the workpiece assembly seat (11), the inside middle position of the workpiece assembly seat (11) is inserted with the drive gear (12), the inside periphery of the workpiece assembly seat (11) is inserted with the special-shaped gear (13) through the rotating shaft, the special-shaped gear (13) is engaged with the drive gear (12), the bottom of the drive gear (12) is coaxially connected with the top end of the rotor of the second motor (10); The swing arm (14) is connected to the outside of the special-shaped gear (13), the top outside of the swing arm (14) is connected with the clamping column (15).

2. A steel cap multi-axle hole drilling apparatus according to claim 1, characterized in that: The height of the clamping column (15) is greater than the thickness of the workpiece assembly seat (11), the top end of the cylinder (3) is connected with the bottom of the mounting bracket (9).

3. A steel cap multi-axle hole drilling apparatus as claimed in claim 1, wherein: The inside left and right sides of the top plate (4) are inserted with the inserting shaft (16), the bottom end of the inserting shaft (16) is installed with the connecting plate (17), the inside of the connecting plate (17) is installed with the guide pressure plate (18).

4. A steel cap multi-axle hole drilling apparatus according to claim 3, characterized in that: The inside of the guide pressure plate (18) is provided with the through hole (181) at the position corresponding to the drill bit (8), the area of the guide pressure plate (18) is greater than the area of the workpiece assembly seat (11).

5. A steel cap multi-axle hole drilling apparatus as claimed in claim 4, wherein: The outside upper side of the inserting shaft (16) is sleeved with the limiting disc (20), the diameter of the limiting disc (20) is greater than the diameter of the inserting shaft (16), the outside of the inserting shaft (16) is sleeved with the spring (19) at the position between the top plate (4) and the connecting plate (17).

6. A steel cap multi-axle hole drilling apparatus as claimed in claim 5, wherein: The upper and lower ends of the spring (19) are connected with the inside corresponding positions of the top plate (4) and the connecting plate (17) respectively, the diameter of the through hole (181) is greater than the diameter of the drill bit (8).

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