CN220240806U

CN220240806U - Cutter loosening device for yielding water from center of spindle

Info

Publication number: CN220240806U
Application number: CN202322098111.8U
Authority: CN
Inventors: 高智扬; 马绍兰; 佘帆; 董涛
Original assignee: Kunshan Jiuye Fluid Technology Co ltd
Current assignee: Kunshan Jiuye Fluid Technology Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2023-12-26
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the technical field of machine tool spindles, and discloses a water-discharging cutter loosening device for a spindle center, which comprises a cutter shaft, wherein one end of the cutter shaft is fixedly connected with a water-discharging spindle, water-discharging through holes are formed in the water-discharging spindle and the cutter shaft and are mutually communicated, a fixed ring is fixedly connected to the position, far away from the water-discharging spindle, of an arc surface of the cutter shaft, a spring is sleeved on the arc surface of the cutter shaft, one end of the spring is fixedly connected with the fixed ring, a pressure spring flat plate is sleeved on one side, close to the fixed ring, of the arc surface of the cutter shaft, screw rods are in threaded connection with two sides in the pressure spring flat plate, one end of the screw rods is fixedly connected with a driving motor, the output end of the driving motor is connected with the screw rods, a cutter handle is mounted at one end, close to the water-discharging spindle, and a plurality of clamping jaws are mounted at one end of the cutter handle. The cutter loosening and tightening device has the advantage of uniform cutter loosening and tightening process speed, and simultaneously avoids the problem that a plurality of inconveniences exist in a pneumatic or oil pressure mode.

Description

Cutter loosening device for yielding water from center of spindle

Technical Field

The utility model relates to the technical field of machine tool spindles, in particular to a cutter loosening device for water outlet at the center of a spindle.

Background

The central water outlet spindle is also called as the spindle inner cooling and the cutter inner cooling, the machine tool is provided with a professional external water outlet device, the cooling liquid is directly supplied to the spindle, the central water outlet spindle has the advantages of enabling the cutter and the workpiece to be rapidly cooled, and the central water outlet spindle can discharge scrap iron in a hole during drilling and is used for most machine tool spindles at present.

The existing center water outlet main shaft cutter loosening mechanism adopts a pneumatic or oil pressure mode, and a piston is driven to stretch and retract through an oil cylinder, so that cutter loosening of the main shaft is realized, oil is drained through the oil cylinder in the existing machine tool main shaft cutter tightening process, the oil draining process is slow, the lifting process of the piston is slow, and the spring rebound cutter tightening process is slow; moreover, the existing oil cylinder has a large number of parts, and needs to be additionally connected with an oil way pipeline, so that the conditions of oil leakage, air leakage and the like are easy to occur.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the cutter loosening device for water outlet at the center of the main shaft, which has the advantage of uniform cutter loosening process speed and simultaneously avoids the problem of inconvenience in a pneumatic or oil pressure mode.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a main shaft center goes out water and uses pine sword device, includes the broach axle, the one end fixedly connected with play water main shaft of broach axle, go out water through-hole has all been seted up to the inside of water main shaft and broach axle to communicate each other, the broach axle arc surface is kept away from the fixed ring of position fixedly connected with of play water main shaft, broach axle arc surface cover has the spring, the one end and the fixed ring fixed connection of spring, the one side cover that the broach axle arc surface is close to the fixed ring is equipped with the pressure spring flat board, the equal threaded connection in both sides position is close to inside the pressure spring flat board has the lead screw, the one end fixedly connected with driving motor of lead screw, the driving motor output links to each other with the lead screw.

As a preferable technical scheme of the utility model, a broach handle is arranged at one end of the broach shaft, which is close to the water outlet main shaft, and a plurality of clamping jaws are arranged at one end of the broach handle.

As a preferable technical scheme of the utility model, threads are arranged on the arc surface of the broach shaft close to the water outlet main shaft, and the broach handle is in threaded connection with the broach shaft.

As a preferable technical scheme of the utility model, the driving motor is a screw rod stepping motor.

As a preferable technical scheme of the utility model, a movable circular disc is sleeved at the position of the circular arc surface of the broach shaft between the broach handle and the spring, and the movable circular disc is fixedly connected with the spring.

As a preferable technical scheme of the utility model, the spring is a double-thread spring.

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

1. according to the utility model, through the arrangement of the double driving motors and the screw rod, uniform rotation can be carried out, so that the screw rod drives the pressure spring flat plate to press down the fixing ring, the spring is compressed, the cutter loosening operation is carried out, meanwhile, when the cutter is needed to be tightened, the motor can drive the screw rod to enable the pressure spring flat plate to rapidly move upwards, the cutter tightening process is rapid and stable, and the electric driving is used, so that the instability and inconvenience of oil pressure or air pressure are avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram showing the structure of the broach shaft with the broach handle and the clamping jaw removed;

FIG. 3 is a schematic diagram of the present utility model for separately displaying the handle and jaws;

fig. 4 is a cross-sectional view showing the structure of the present utility model around the arbor and flat compression spring.

In the figure: 1. a cutter shaft; 2. a water outlet main shaft; 3. a handle of the pulling tool; 31. a clamping jaw; 32. a thread; 4. a fixing ring; 41. a spring; 42. a movable wafer; 5. a compression spring flat plate; 51. a screw rod; 52. and driving the motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the utility model provides a main shaft center water outlet cutter loosening device, which comprises a cutter shaft 1, wherein one end of the cutter shaft 1 is fixedly connected with a water outlet main shaft 2, water outlet through holes are formed in the water outlet main shaft 2 and the inside of the cutter shaft 1 and are mutually communicated, a fixed ring 4 is fixedly connected to the position, far away from the water outlet main shaft 2, of the circular arc surface of the cutter shaft 1, a spring 41 is sleeved on the circular arc surface of the cutter shaft 1, one end of the spring 41 is fixedly connected with the fixed ring 4, a pressure spring flat plate 5 is sleeved on one side, close to the fixed ring 4, of the circular arc surface of the cutter shaft 1, threads 32 are connected with screw rods 51 at positions, close to two sides, of the inside of the pressure spring flat plate 5, one end of each screw rod 51 is fixedly connected with a driving motor 52, and the output end of each driving motor 52 is connected with each screw rod 51.

Through the arrangement of the double driving motors 52 and the screw rods 51, uniform rotation can be carried out, and then the screw rods 51 drive the pressure spring flat plate 5 to press down the fixing ring 4, so that the spring 41 is compressed and the cutter loosening operation is carried out, meanwhile, when the cutter is needed to be tightly pulled, the motor can drive the screw rods 51 to enable the pressure spring flat plate 5 to quickly move upwards, the cutter tightening process is quick and stable, and the electric driving is used, so that instability and inconvenience of oil pressure or air pressure are avoided.

Wherein, draw knife handle 3 is installed to draw knife shaft 1 near the one end of play water spindle 2, and a plurality of clamping jaws 31 are installed to draw knife handle 3's one end.

The handle 3 and the clamping jaw 31 are used for clamping or loosening the cutter head connected with the water outlet main shaft 2.

The circular arc surface of the broach shaft 1 is provided with threads 32 at a position close to the water outlet main shaft 2, and the broach handle 3 is connected with the threads 32 of the broach shaft 1. By means of the arrangement of the threads 32, the front-back distance of the clamping jaw 31 can be adjusted in a rotatable mode, so that the clamping distance of the clamping jaw 31 is adjusted, and different tool bits are adapted.

Wherein, the driving motor 52 is a screw rod stepping motor.

The screw rod stepping motor can perform uniform and stable output, so that the cutter loosening and tightening process is stable.

Wherein, the arc surface of the broach shaft 1 is sleeved with a movable disc 42 at a position between the broach handle 3 and the spring 41, and the movable disc 42 is fixedly connected with the spring 41.

By the provision of the movable disc 42, it serves to position the spring 41 so that the spring 41 is compressed when the drive motor 52 rotates.

Wherein the spring 41 is a double threaded spring.

Through the setting of double thread spring, elasticity is bigger, makes the pine sword process faster.

The working principle and the using flow of the utility model are as follows:

in the use process, when the cutter is required to be loosened, the driving motor 52 rotates to drive the screw rod 51 to rotate on the pressure spring platform, so that the pressure spring platform downwards presses the fixed ring 4, the spring 41 is compressed under the positioning of the movable disc 42, meanwhile, the cutter pulling shaft 1 downwards moves to drive the cutter pulling handle 3 and the clamping jaw 31 to downwards move, the clamping jaw 31 is opened, and therefore the cutter loosening operation is completed, and when the cutter is tightened, the driving motor 52 drives the pressure spring platform to quickly upwards move to enable the spring 41 to rebound to drive the lower clamping jaw 31 to upwards move, the clamping jaw 31 closes to clamp the cutter head, and the cutter tightening is completed.

It is noted that relational terms such as first and second, and the like are 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a main shaft center goes out water and uses pine sword device, includes broach axle (1), its characterized in that: the utility model discloses a broach, including broach shaft (1), fixed ring (4) are fixed in position, broach shaft (1) arc surface cover has spring (41), the one end and fixed ring (4) fixed connection of spring (41), one side cover that broach shaft (1) arc surface is close to fixed ring (4) is equipped with pressure spring flat board (5), pressure spring flat board (5) inside equal screw (32) in both sides position are connected with lead screw (51), the one end fixedly connected with driving motor (52) of lead screw (51), driving motor (52) output links to each other with lead screw (51).

2. The main shaft center play water is with pine sword device according to claim 1, characterized in that: the broach shaft (1) is close to one end of the water outlet main shaft (2) and is provided with a broach handle (3), and one end of the broach handle (3) is provided with a plurality of clamping jaws (31).

3. The main shaft center goes out water and uses pine sword device according to claim 2, characterized in that: threads (32) are formed in the position, close to the water outlet main shaft (2), of the arc surface of the broach shaft (1), and the broach handle (3) is connected with the threads (32) of the broach shaft (1).

4. The main shaft center play water is with pine sword device according to claim 1, characterized in that: the driving motor (52) is a screw rod stepping motor.

5. The main shaft center play water is with pine sword device according to claim 1, characterized in that: the movable circular disc (42) is sleeved at the position, between the broach handle (3) and the spring (41), of the arc surface of the broach shaft (1), and the movable circular disc (42) is fixedly connected with the spring (41).

6. The main shaft center play water is with pine sword device according to claim 1, characterized in that: the spring (41) is a double-threaded spring.