CN218947037U

CN218947037U - Novel universal cutter loosening mechanism for drilling and tapping machine tool

Info

Publication number: CN218947037U
Application number: CN202222606937.6U
Authority: CN
Inventors: 易春红; 柯宏伟; 杨达; 刘艺; 王扬渝; 安浩嘉
Original assignee: Hangzhou Huile Intelligent Technology Co ltd
Current assignee: Hangzhou Huile Intelligent Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-02
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a general novel pine sword mechanism of lathe is attacked to brill, includes cam, roller, pine sword arm, fixed block and spring, cam one end and a lathe stand side fixed connection, spring one end with pine sword arm fixed connection, the other end with headstock fixed connection, the fixed block with through bolt fixed connection between the headstock, the roller inner circle with pine sword arm one end fixed connection. The utility model improves the positioning precision and the portability of the spindle replacement.

Description

Novel universal cutter loosening mechanism for drilling and tapping machine tool

Technical Field

The utility model relates to the field of tool loosening mechanisms of machine tools, in particular to a novel universal tool loosening mechanism of a drilling and tapping machine tool.

Background

The drilling and tapping machine is a special metal cutting machine tool, is mainly used for machining center type metal, and is not suitable for heavy-duty cutting machining. The tool beating mechanism and the main shaft box of the traditional drilling and tapping machine need to be matched with each other for machining, the installation hole positions of the tool loosening arms and the main shaft box are integrally machined, the main shafts of different brands often need to be newly manufactured into the main shaft box, the casting period is long, the machining procedures are complex, the matching is slightly deviated, and the tool magazine tool changing can fail.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the novel universal cutter loosening mechanism for the drilling and tapping machine tool, the fixed position of the cutter loosening arm is moved from the main shaft box body to the fixed block, the fixed block and the main shaft box are separately processed, only the connecting part of the main shaft box and the fixed block is required to be processed, the main shaft fixed part and the main shaft box are also separately cast, the material cost is reduced, and the main shaft box can be used as a standard part for processing.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a general novel pine sword mechanism of lathe is attacked to brill, includes cam, roller, pine sword arm, fixed block and spring, cam one end and a lathe stand side fixed connection, spring one end with pine sword arm fixed connection, the other end with headstock fixed connection, the fixed block with through bolt fixed connection between the headstock, the roller inner circle with pine sword arm one end fixed connection.

Further, a driving motor is fixedly connected to one end face of the machine tool upright post, a power output end of the driving motor is fixedly connected with one end face of a coupler, the other end of the coupler is fixedly connected with a screw rod, a screw rod limiting block is fixedly connected to the other end of the screw rod, and the screw rod limiting block is fixedly connected with the machine tool upright post.

Still further, the lead screw with headstock sliding connection, headstock one side is provided with the slider, slider and guide rail sliding connection, the guide rail with a main shaft stand side fixed connection, the inside fixedly connected with main shaft of headstock, main shaft one end is connected with the main shaft drive shaft, the main shaft drive shaft other end is connected with main shaft driving motor, main shaft driving motor with headstock fixed connection.

Further, the roller inner ring is provided with a stop pin with a stop washer, the stop pin with the stop washer is fixedly connected with the loose blade arm, and the roller inner ring and the loose blade arm are relatively static through the stop pin with the stop washer.

The loose cutter arm penetrates through and is provided with a rotating mandrel, the rotating mandrel penetrates through to the end face of the fixing block, which faces one end face of the paper, a base plate is arranged at one end, far away from the main shaft box, of the fixing block, the base plate is fixedly connected to the fixing block through bolts, a stop pin is arranged in a penetrating mode, one end of the stop pin is contacted with a stop surface, far away from the main shaft box, of the rotating mandrel, and the stop pin is used for preventing relative rotation of the rotating mandrel and the fixing block.

The fixed blocks are symmetrically distributed on two side surfaces of the loose cutter arm, a spring connecting handle is fixed on one side surface of the loose cutter arm and used for fixedly connecting the spring to one end of the loose cutter arm.

The loose knife arm is characterized in that one end, close to the main shaft, of the loose knife arm is symmetrically provided with a rotating short shaft and a contact roller, the rotating short shaft is fixedly connected with an inner ring of the contact roller, an outer ring of the contact roller is in rigid contact with a main shaft pulling claw, and when the contact roller descends, the main shaft pulling claw is driven to descend, a knife is loosened, and a knife changing action is completed.

The beneficial effects of the utility model are mainly shown in the following steps: the positioning accuracy is improved, and meanwhile, the portability of spindle replacement is improved.

Drawings

FIG. 1 is a schematic diagram of a novel universal tool loosening mechanism for a drilling and tapping machine tool;

FIG. 2 is a schematic diagram showing the structure of the present utility model;

FIG. 3 is a view in the direction A shown in FIG. 2;

fig. 4 is a partial cross-sectional view of the direction B shown in fig. 3.

Wherein, the reference numerals are as follows: 1. a driving motor; 2. a cam; 3. a roller; 4. a cutter loosening arm; 5. a fixed block; 6. a spindle drive motor; 7. a spindle drive shaft; 8. a main shaft; 9. a spindle box; 10. a slide block; 11. a guide rail; 12. a machine tool upright post; 13. a screw limiting block; 14. a screw rod; 15. a spring; 16. a coupling; 17. a backing plate; 18. a stop pin; 19. rotating the mandrel; 20. a stop pin; 21. a contact roller; 22. a main shaft pulling claw; 23. a short shaft; 24. and a spring connecting handle.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 4, a novel universal tool loosening mechanism for a drilling and tapping machine tool comprises a cam 2, a roller 3, a tool loosening arm 4, a fixed block 5 and a spring 15, wherein one end of the cam 2 is fixedly connected with one side surface of a machine tool upright post 12, one end of the spring 15 is fixedly connected with the tool loosening arm 4, the other end of the spring is fixedly connected with a main shaft box 9, the fixed block 5 is fixedly connected with the main shaft box 9 through a bolt, and an inner ring of the roller 3 is fixedly connected with one end of the tool loosening arm;

a driving motor 1 is fixedly connected to one end face of the machine tool upright post 12, a power output end of the driving motor 1 is fixedly connected with one end face of a coupler 16, the other end of the coupler 16 is fixedly connected with a screw rod 14, a screw rod limiting block 13 is fixedly connected to the other end of the screw rod 14, and the screw rod limiting block 13 is fixedly connected with the machine tool upright post 12;

the screw rod 14 is in sliding connection with the spindle box 9, a sliding block 10 is arranged on one side surface of the spindle box 9, the sliding block 10 is in sliding connection with a guide rail 11, the guide rail 11 is fixedly connected with one side surface of a spindle upright 12, a spindle 8 is fixedly connected with the inside of the spindle box 9, one end of the spindle 8 is connected with a spindle driving shaft 7, the other end of the spindle driving shaft 7 is connected with a spindle driving motor 6, and the spindle driving motor 6 is fixedly connected with the spindle box 9.

In this embodiment, the inner ring of the roller 3 is provided with a stop pin 20 with a stop washer, the stop pin 20 with a stop washer is fixedly connected with the loose blade arm 4, and the stop pin 20 with a stop washer is provided to make the inner ring of the roller 3 and the loose blade arm 4 relatively stationary.

The cutter loosening arm 4 is provided with a rotary mandrel 19 in a penetrating manner, and the rotary mandrel 19 penetrates to one end face of the fixed block 5 facing the paper surface; the fixed block 5 is provided with the backing plate 17 far away from the one end of headstock 9, backing plate 17 passes through bolt fixed connection to the fixed block 5, backing plate 17 link up and is provided with stop pin 18, stop pin 18 one end and the rotation dabber 19 keep away from the stop face contact of headstock 9, can avoid rotating dabber 19 and the relative rotation of fixed block 5 through setting up stop pin 18.

In this embodiment, the fixing blocks 5 are symmetrically distributed on two sides of the loose blade arm 4, a spring connection handle 24 is fixed on one side of the loose blade arm 4, and the spring connection handle 24 is used for fixedly connecting the spring 15 to one end of the loose blade arm 4.

The loose knife arm 4 is symmetrically provided with a rotating short shaft 23 and a contact roller 21 at one end close to the main shaft, the rotating short shaft 23 is fixedly connected with the inner peripheral surface of the contact roller 21, and the outer peripheral surface of the contact roller 21 is in rigid contact with the end surface of the main shaft pulling claw 22. When the contact roller 21 descends, the main shaft pulling claw 22 is driven to descend, and the cutter is loosened and the cutter changing action is completed.

Fig. 4 is a partial sectional view of fig. 3 from the direction B, and the specific positional relationship of the cam 2, the roller 3, the cutter loosening arm 4, and the stopper pin 20 is shown in fig. 4.

In the use process of the embodiment, when the spindle 8 is required to change a tool, the driving motor 1 drives the screw 14 to rotate, so as to drive the spindle box 9 to move upwards on the guide rail 11, since the loose cutter arm 4 and the fixed block 5 are connected through the rotating mandrel 19, the loose cutter arm 4 can rotate relatively to the rotating mandrel 19, and the fixed block 5 is fixed at the upper end of the spindle box 9, so when the spindle box 9 moves upwards, the loose cutter arm 4 is driven to move upwards, and due to the inclined surface at one end of the cam 2, the upper end and the lower end of the cam have displacement differences, during the process of the spindle box 9 driving the loose cutter arm 4 to move upwards, the loose cutter arm 4 rotates clockwise relative to the rotating mandrel 19, and further, because the rotating mandrel 19 is stationary relative to the spindle box 9, one side of the loose cutter arm 4, which is close to the spindle 8, moves downwards relative to the original position, so that the contact roller 21 presses the upper end surface of the spindle pull claw 22, so that the spindle pull claw 22 moves downwards relative to the spindle 8, and the spindle pull nail is opened, and the control program control library rotates to a designated position, so that the spindle 8 completes the tool changing process.

When the loose cutter arm 4 is required to be replaced, the fixed block 5 is only required to be connected and detached with the bolt of the spindle box 9, the fixed block 5 is separated from the spindle box 9, the stop pin 18 is withdrawn, the backing plate 14 is separated from the fixed block 5, the rotating mandrel 19 is separated from the fixed block 5, the spindle box 9 is separated from the machine tool upright post 12, the fixed hole site of the fixed block 5 on the spindle box 9 is processed again, or the fixed block 5 is directly replaced, the fixed block 5 and the spindle box 9 are installed at the original position after the processing or replacement is completed, and the backing plate 14 and the stop pin 18 are required to be replaced or processed again after the backing plate 14 and the stop pin 18 are used once, so as to adapt to the original fixed block 5 or the newly replaced fixed block 5, but the total replacement or processing cost is far less than the manufacturing cost of directly replacing the spindle box 9, and the process time cost of processing or replacing the fixed block 5 and the matched parts is far less than the time cost of directly replacing the spindle box 9. After all parts are replaced or processed, all spindle parts are installed and the spindle box 9 is installed to the original position, so that correct operation is ensured.

The embodiments described in this specification are merely illustrative of the manner in which the inventive concepts may be implemented. The scope of the present utility model should not be construed as being limited to the specific forms set forth in the embodiments, but the scope of the present utility model and the equivalents thereof as would occur to one skilled in the art based on the inventive concept.

Claims

1. The utility model provides a general novel pine sword mechanism of lathe is attacked to brill, its characterized in that, general novel pine sword mechanism includes cam, roller, pine sword arm, fixed block and spring, cam one end and a lathe stand side fixed connection, spring one end with pine sword arm fixed connection, the other end and headstock fixed connection, the fixed block with through bolt fixed connection between the headstock, the roller inner circle with pine sword arm one end fixed connection.

2. The universal novel tool loosening mechanism for drilling and tapping machine tools as claimed in claim 1, wherein: the machine tool comprises a machine tool upright post, a driving motor, a power output end of the driving motor, a shaft coupling, a screw rod and a screw rod limiting block, wherein the driving motor is fixedly connected to one end face of the machine tool upright post, the power output end of the driving motor is fixedly connected to one end face of the shaft coupling, the other end of the shaft coupling is fixedly connected with the screw rod, the screw rod limiting block is fixedly connected to the other end of the screw rod, and the screw rod limiting block is fixedly connected with the machine tool upright post.

3. The universal novel tool loosening mechanism for drilling and tapping machine tools as claimed in claim 2, wherein: the screw rod with headstock sliding connection, headstock one side is provided with the slider, slider and guide rail sliding connection, the guide rail with lathe stand one side fixed connection, headstock inside fixedly connected with main shaft, main shaft one end is connected with the main shaft drive shaft, the main shaft drive shaft other end is connected with main shaft driving motor, main shaft driving motor with headstock fixed connection.

4. A universal novel tool loosening mechanism for drilling and tapping machine tools as claimed in any one of claims 1 to 3, wherein: the roller inner ring is provided with a stop pin with a stop washer, the stop pin with the stop washer is fixedly connected with the loose blade arm, and the roller inner ring and the loose blade arm are relatively static through the arrangement of the stop pin with the stop washer.

5. A universal novel tool loosening mechanism for drilling and tapping machine tools as claimed in any one of claims 1 to 3, wherein: the loose cutter arm penetrates through and is provided with a rotating mandrel, the rotating mandrel penetrates through to the end face of the fixing block, which faces one end face of the paper, a base plate is arranged at one end, far away from the main shaft box, of the fixing block, the base plate is fixedly connected to the fixing block through bolts, a stop pin is arranged in a penetrating mode, one end of the stop pin is contacted with a stop surface, far away from the main shaft box, of the rotating mandrel, and the stop pin is used for preventing relative rotation of the rotating mandrel and the fixing block.

6. The universal novel tool loosening mechanism for drilling and tapping machine tools as claimed in claim 5, wherein: the fixed blocks are symmetrically distributed on two side surfaces of the loose cutter arm, a spring connecting handle is fixed on one side surface of the loose cutter arm and used for fixedly connecting the spring to one end of the loose cutter arm.

7. The universal novel tool loosening mechanism for drilling and tapping machine tools as claimed in claim 6, wherein: the loose knife arm is characterized in that one end, close to the main shaft, of the loose knife arm is symmetrically provided with a rotating short shaft and a contact roller, the rotating short shaft is fixedly connected with an inner ring of the contact roller, an outer ring of the contact roller is in rigid contact with a main shaft pulling claw, and when the contact roller descends, the main shaft pulling claw is driven to descend, a knife is loosened, and a knife changing action is completed.