CN220881320U

CN220881320U - Lifting drilling and tapping machine tool

Info

Publication number: CN220881320U
Application number: CN202322591052.8U
Authority: CN
Inventors: 梁志军; 别刚华; 莫贝贝
Original assignee: Taizhou Sujigao Machine Tool Equipment Co ltd
Current assignee: Taizhou Sujigao Machine Tool Equipment Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-03
Anticipated expiration: 2033-09-25

Abstract

The utility model relates to the technical field of drilling and tapping machine tools, in particular to a lifting drilling and tapping machine tool, which comprises a machine base, wherein a mounting plate is mounted at the top of the machine base, a lifting assembly is mounted at the top of the mounting plate, a clamp bottom plate is mounted at the movable end of the lifting assembly, a mounting groove is formed in the center of the top of the clamp bottom plate, a plurality of corner cylinders are mounted on the surface of the clamp bottom plate in a penetrating manner, the corner cylinders surround the periphery of the mounting groove, the movable end of each corner cylinder is positioned above the clamp bottom plate, and three double-shaft gear boxes are arranged at equal angles around the clamp bottom plate. According to the scheme, through the double-shaft gear box and the lifting assembly, a machine is not required to be stopped for replacing a cutter, time required by tapping operation of a bearing seat workpiece is saved, drilling and tapping operation of three positions can be realized by one set of equipment through one-time clamping, and production efficiency can be greatly improved when a large number of bearing seat workpieces need to be processed.

Description

Lifting drilling and tapping machine tool

Technical Field

The utility model relates to the technical field of drilling and tapping machine tools, in particular to a lifting drilling and tapping machine tool.

Background

When the bearing seat workpiece is subjected to threaded hole machining operation, a drilling machine tool in the prior art can simultaneously machine a plurality of hole sites, but the threaded holes in the bearing seat workpiece need to be subjected to drilling operation and then tapping operation. In the prior art, after drilling operation processing is completed, a worker is required to switch tapping tools to perform thread cutting operation on the through holes, when the number of bearing seat workpieces is large, more time is wasted when the tools are replaced back and forth, the drilling and tapping operation of large-batch bearing seat workpieces is not facilitated, and the working efficiency is low.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a lifting drilling and tapping machine tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the lifting drilling and tapping machine tool comprises a machine base, wherein a mounting plate is mounted at the top of the machine base, a lifting assembly is mounted at the top of the mounting plate, a clamp bottom plate is mounted at the movable end of the lifting assembly, a mounting groove is formed in the center of the top of the clamp bottom plate, a plurality of corner cylinders are mounted on the surface of the clamp bottom plate in a penetrating mode, the corner cylinders surround the periphery of the mounting groove, the movable end of each corner cylinder is located above the clamp bottom plate, three double-shaft gear boxes are arranged at equal angles around the clamp bottom plate, a tapping cutter is connected to a power output shaft located above the double-shaft gear boxes, a drilling cutter is connected to a power output shaft located below the double-shaft gear boxes, a driving mechanism is connected to two power input shafts of the double-shaft gear boxes, and a moving mechanism is arranged at the bottom of each double-shaft gear box.

Preferably, the surface of anchor clamps bottom plate runs through and installs a plurality of graphite copper sheathing, the inside slip grafting of graphite copper sheathing has the guide post, the top at the mounting panel is installed to the one end of guide post.

Preferably, one end of one guide post above the clamp bottom plate is provided with a limit nut in a threaded sleeve manner, and the bottom of the limit nut is in contact with the top of the clamp bottom plate.

Preferably, the moving mechanism comprises two fixing plates symmetrically arranged at the top of the machine base, a protective cover is arranged between the top ends of the two fixing plates, a sliding support plate is arranged on the top sliding sleeve of the protective cover, a ball screw is arranged between the side surfaces of the two fixing plates, a moving nut of the ball screw is arranged at the bottom of the sliding support plate, and the double-shaft gear box is arranged at the top of the sliding support plate.

Preferably, the two sides of the ball screw are provided with sliding rails, two sliding rails are arranged at the top of the machine base, the tops of the two sliding rails are movably connected with sliding blocks, and the tops of the two sliding blocks are arranged at the bottom of the sliding supporting plate.

Preferably, the lifting assembly is a hydraulic cylinder.

Preferably, the driving mechanism comprises transmission gears fixed on two power input shafts of the double-shaft gear box, the two transmission gears are connected with a first driving motor through transmission pieces, a motor base is installed on a shell of the first driving motor, and the motor base is installed on a shell of the double-shaft gear box.

Preferably, the power output shaft positioned above in the double-shaft gear box is connected with a tapping cutter, and the power output shaft positioned below is connected with a drilling cutter.

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

This scheme is through setting up biax gear box and lifting unit, and the biax gear box is installed respectively and is used for the seting up and the tapping operation of through-hole, accomplishes the trompil operation at lower spacing station at the bearing frame work piece after, can operate lifting unit and drive the bearing frame work piece and remove to last spacing station for tapping tool can carry out the tapping processing, need not to shut down and change the cutter, has saved the required time of bearing frame work piece trompil tapping operation, and drilling and tapping operation in three positions can be realized to a set of equipment once clamping, when the bearing frame work piece of a large number needs processing, improvement production efficiency that can be very big.

Drawings

FIG. 1 is an isometric view of a lifting drilling and tapping machine of the present utility model;

FIG. 2 is a schematic diagram of a connection structure between a second driving motor and a ball screw of the lifting drilling and tapping machine tool;

FIG. 3 is a schematic diagram of a connection structure of a slide rail and a slide block of the lifting drilling and tapping machine tool;

FIG. 4 is a schematic diagram of a connection structure of a corner cylinder and a lifting assembly of the lifting drilling and tapping machine tool;

Fig. 5 is a schematic diagram of a connection structure between a motor base and a first driving motor of the lifting drilling and tapping machine tool of the utility model;

Fig. 6 is a schematic diagram of the structure of a fixture base plate of the lifting drilling and tapping machine tool.

In the figure: 1. a clamp base plate; 2. a motor base; 3. a double-shaft gearbox; 4. a transmission gear; 5. a first driving motor; 6. a second driving motor; 7. a base; 8. a sliding support plate; 9. a protective cover; 10. a ball screw; 11. a slide block; 12. a slide rail; 13. a graphite copper sleeve; 14. a corner cylinder; 15. a mounting plate; 16. a lifting assembly; 17. a guide post; 18. bearing seat work piece; 19. a mounting groove; 20. a limit nut; 21. a fixing plate; 22. a drilling tool; 23. tapping tool.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

The lifting drilling and tapping machine tool shown in fig. 1-6 comprises a machine base 7, wherein a mounting plate 15 is mounted on the top of the machine base 7 through screws, a lifting assembly 16 is mounted on the top of the mounting plate 15 through screws, a clamp bottom plate 1 is mounted on the movable end of the lifting assembly 16 through screws, a mounting groove 19 is formed in the center of the top of the clamp bottom plate 1, a plurality of corner cylinders 14 are mounted on the surface of the clamp bottom plate 1 in a penetrating manner, the periphery of the mounting groove 19 is surrounded by the corner cylinders 14, the movable end of each corner cylinder 14 is located above the clamp bottom plate 1, three double-shaft gear boxes 3 are arranged on the periphery of the clamp bottom plate 1 at equal angles, tapping cutters 23 are connected to power output shafts located above in the double-shaft gear boxes 3, and drilling cutters 22 are connected to power output shafts located below.

When the drilling operation is carried out on the side face of the bearing seat workpiece 18, firstly, the bearing seat workpiece 18 is placed in the placing groove 19, then, the power-on operation of a plurality of corner cylinders 14 is controlled, the movable ends of the corner cylinders 14 move to the top of the bearing seat workpiece 18 in an arc mode and are used for positioning the bearing seat workpiece, then, the lifting assembly 16 is operated to drive the clamp base plate 1 to slide in the vertical direction, the clamp base plate 1 drives the bearing seat workpiece 18 to move to a lower station carrying a drilling tool 22 in the double-shaft gear box 3, after the hole opening of the bearing seat workpiece 18 is completed, the lifting assembly 16 can be operated to drive the bearing seat workpiece 18 to move to an upper station carrying a tapping tool 23 in the double-shaft gear box 3, and further, the hole opening and tapping operation can be continuously carried out on the bearing seat workpiece 18 under the condition that the tool is not replaced; if the drilling tool 22 carried in the double-shaft gear box 3 is located above the bearing seat workpiece 18 when the side surface of the bearing seat workpiece 18 is perforated, if the tapping tool 23 carried in the double-shaft gear box 3 is located below the clamp base plate 1 when the side surface of the bearing seat workpiece 18 is machined by the tapping tool 23 carried in the double-shaft gear box 3, three groups of double-shaft gear boxes 3 are arranged in the scheme, and therefore, three groups of drilling tools 22 and tapping tools 23 are arranged, and therefore, the scheme can simultaneously perform perforation and tapping operations on three positions of the bearing seat workpiece.

The two power input shafts of the double-shaft gear box 3 are connected with a driving mechanism, the driving mechanism comprises a transmission gear 4 fixed on the two power input shafts of the double-shaft gear box 3, the two transmission gears 4 are connected with a first driving motor 5 through transmission pieces, a motor base 2 is arranged on the outer shell of the first driving motor 5 through screws, the motor base 2 is arranged on the outer shell of the double-shaft gear box 3 through screws, the transmission pieces comprise two gears and two gear chains, the two gears are fixed on the surface of an output shaft of the first driving motor 5, and the two gear chains are respectively connected between the two gears and the two transmission gears 4 and are used for playing the role of driving moment, so that the first driving motor 5 can conveniently control the rotation shaft of the double-shaft gear box 3 simultaneously; the motor base 2 is used for fixing the position of the first driving motor 5.

The bottom of biax gear box 3 is equipped with moving mechanism, moving mechanism includes two symmetry arranges the fixed plate 21 at the frame 7 top, install protection casing 9 through the screw between the top of two fixed plates 21, the top slip cap of protection casing 9 is equipped with slip layer board 8, install ball 10 through the screw between the side of two fixed plates 21, ball 10's removal nut passes through the screw and installs in the bottom of slip layer board 8, biax gear box 3 passes through the screw and installs at the top of slip layer board 8, ball 10's one end is connected with second driving motor 6, control ball 10 rotation after the second driving motor 6 circular telegram, ball 10's loose end drives slip layer board 8 and slides at the top of protection casing 9, make things convenient for slip layer board 8 to drive biax gear box 3 synchronous movement, biax gear box 3 drives tapping cutter 23 and boring cutter 22 synchronous movement, after cutter and bearing frame work piece 18 side contact, can carry out trompil and tapping operation to the bearing frame work piece 18, and three moving mechanism that sets up in this scheme, three moving mechanism can drive three boring cutter 22 and carry out drilling operation to the three of work piece simultaneously for the production efficiency that can realize the clamping position of a set of equipment once, improvement.

The surface of anchor clamps bottom plate 1 runs through and installs a plurality of graphite copper sheathing 13, and the inside slip grafting of graphite copper sheathing 13 has guide post 17, and the one end of guide post 17 passes through the screw and installs at the top of mounting panel 15, and graphite copper sheathing 13 has the mechanical parts of self-lubricating ability, and its inside contains materials such as graphite and copper, can self-lubricate, reduces wearing and tearing, has reduced the wearing and tearing between guide post 17 and the anchor clamps bottom plate 1, has prolonged the life of guide post 17 and anchor clamps bottom plate 1.

One end thread bush that one of them guide post 17 is located anchor clamps bottom plate 1 top is equipped with stop nut 20, and stop nut 20's bottom and anchor clamps bottom plate 1's top contact, stop nut 20 are used for playing spacing effect to anchor clamps bottom plate 1 at the removal stroke of guide post 17, prevent that anchor clamps bottom plate 1 from breaking away from on the guide post 17.

Two sides of the ball screw 10 are provided with sliding rails 12, the two sliding rails 12 are arranged at the top of the base 7 through screws, the tops of the two sliding rails 12 are movably connected with sliding blocks 11, and the tops of the two sliding blocks 11 are arranged at the bottom of the sliding supporting plate 8 through screws; along with the movement of the sliding support plate 8, the sliding support plate 8 drives the sliding block 11 to slide on the surface of the sliding rail 12, so that the stability of the sliding support plate 8 in moving is improved, and the stability of drilling and driving of props on bearing seat workpieces is further improved.

The lifting components 16 are hydraulic cylinders, the hydraulic cylinders are connected with hydraulic oil pumps through guide pipes, the hydraulic oil pumps extend to oil tanks storing hydraulic oil through guide pipes, the hydraulic oil pumps are controlled to work, and the hydraulic cylinders are only one of the lifting components 16, and electric cylinders or air cylinders can be selected.

In this scheme first driving motor 5 and second driving motor 6 and hydraulic oil pump all are connected with the controller through the wire, and the controller passes through the wire and is connected with external power source, and the controller selects for use PLC for the working stroke of control first driving motor 5 and second driving motor 6 and lifting unit 16.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Lifting drilling and tapping machine tool, which comprises a machine base (7), and is characterized in that a mounting plate (15) is mounted at the top of frame (7), lifting component (16) is mounted at the top of mounting plate (15), anchor clamps bottom plate (1) are installed at the loose end of lifting component (16), mounting groove (19) have been seted up in top center department of anchor clamps bottom plate (1), a plurality of corner jar (14) are installed in the surface penetration of anchor clamps bottom plate (1), a plurality of corner jar (14) encircle around mounting groove (19), the loose end of corner jar (14) is located the top of anchor clamps bottom plate (1), be equipped with three biax gear box (3) around anchor clamps bottom plate (1), the power take-off shaft that is located the top in biax gear box (3) has tapping cutter (23), the power take-off shaft that is located the below has drilling cutter (22), two power input shafts of biax gear box (3) are connected with actuating mechanism, the bottom of biax gear box (3) is equipped with moving mechanism.

2. The lifting drilling and tapping machine tool according to claim 1, wherein a plurality of graphite copper sleeves (13) are installed on the surface of the clamp base plate (1) in a penetrating mode, guide columns (17) are inserted into the graphite copper sleeves (13) in a sliding mode, and one ends of the guide columns (17) are installed on the top of the mounting plate (15).

3. The lifting drilling and tapping machine tool according to claim 2, wherein a limit nut (20) is sleeved on one end of one guide post (17) above the clamp bottom plate (1) in a threaded manner, and the bottom of the limit nut (20) is in contact with the top of the clamp bottom plate (1).

4. The lifting drilling and tapping machine tool according to claim 1, wherein the moving mechanism comprises two fixed plates (21) symmetrically arranged at the top of the machine base (7), a protective cover (9) is arranged between the top ends of the two fixed plates (21), a sliding support plate (8) is sleeved on the top of the protective cover (9), a ball screw (10) is arranged between the side surfaces of the two fixed plates (21), a moving nut of the ball screw (10) is arranged at the bottom of the sliding support plate (8), and the double-shaft gear box (3) is arranged at the top of the sliding support plate (8).

5. The lifting drilling and tapping machine tool according to claim 4, wherein sliding rails (12) are arranged on two sides of the ball screw (10), two sliding rails (12) are arranged at the top of the machine base (7), sliding blocks (11) are movably connected to the tops of the two sliding rails (12), and the tops of the two sliding blocks (11) are arranged at the bottom of the sliding supporting plate (8).

6. The lifting drilling and tapping machine according to claim 1, characterized in that the lifting assembly (16) is a hydraulic cylinder.

7. The lifting drilling and tapping machine tool according to claim 1, wherein the driving mechanism comprises transmission gears (4) fixed on two power input shafts of the double-shaft gear box (3), the two transmission gears (4) are connected with a first driving motor (5) through transmission pieces, a motor base (2) is mounted on a shell of the first driving motor (5), and the motor base (2) is mounted on a shell of the double-shaft gear box (3).