CN219254908U

CN219254908U - Numerical control lathe with tool changing device

Info

Publication number: CN219254908U
Application number: CN202223238874.XU
Authority: CN
Inventors: 徐峰; 徐水荣
Original assignee: Shaoxing County Xuye Mould Co ltd
Current assignee: Shaoxing County Xuye Mould Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-27
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a numerical control lathe with a tool changing device, which relates to the technical field of numerical control lathes and comprises a numerical control lathe body, wherein a tool changing assembly is arranged in the numerical control lathe body and comprises a tool changing frame arranged in the numerical control lathe body, a driving piece connected with the tool changing frame and driving the tool changing frame to move, and an elastic piece arranged at the top end of a manipulator for moving a tool, a placing hole is formed in the tool changing frame, a cleaning mechanism is arranged in the numerical control lathe body and comprises a driving assembly and a scraping plate arranged at one end of the driving assembly, the driving assembly comprises a fixed plate arranged on the numerical control lathe body, a roller arranged on the fixed plate and a driving piece with one end connected with the roller, a through groove I for one side of the roller to go deep into the placing hole is formed in the tool changing frame, the driving piece is driven to drive the roller to rotate around a central axis of the driving piece, the scraping plate is arranged on the fixed plate, a tool of the tool changing frame in the numerical control lathe is easy to wind some waste chips, and the connection of the tool is easy to be affected because cleaning is not carried out before replacement.

Description

Numerical control lathe with tool changing device

Technical Field

The utility model relates to the technical field of numerically controlled lathes, in particular to a numerically controlled lathe with a tool changing device.

Background

The numerical control lathe is used as the most basic requirement of the manufacturing industry, the production efficiency and the precision maintenance of the numerical control lathe directly influence the quality of products and the economic benefits of manufacturers, and in the development process of new products in various fields, the numerical control lathe is required to be used as an indispensable auxiliary tool, so that the rapid development of economy is more and more required to be used as a guarantee, and the key of enabling the industrialization level to be higher in our country is that if the manufacturing industry is required to be developed vigorously, the numerical control lathe needs to be put down work in the numerical control lathe industry at first, and the reliability performance of the numerical control lathe is imperative to be improved.

The utility model patent in China with the application number of CN202120042854.1 discloses a numerical control lathe convenient for replacing a cutter, the numerical control lathe comprises a numerical control lathe main body, a working window is formed in the numerical control lathe main body, a PLC controller is fixedly arranged at the top end of the numerical control lathe main body, a carrier plate is fixedly arranged between two opposite inner side walls of the working window, a first servo cylinder is fixedly arranged at the center position of the top end of the carrier plate, an output end of the first servo cylinder penetrates through the carrier plate to extend to the bottom end of the carrier plate and is vertically and fixedly provided with a servo motor, the output end of the servo motor is fixedly connected with a rotating shaft, four convex edges are fixedly arranged at the equidistant bottom end of the rotating shaft, two fixing plates are arranged below the carrier plate and are respectively and fixedly connected with two opposite inner side walls of the working window in a vertical mode, sliding grooves are formed in opposite sides of the two fixing plates, the two fixing plates have the characteristic of being convenient for replacing cutters, but for conveniently replacing cutters, the cutters to be replaced are located inside the numerical control lathe, certain scraps can be generated inside the numerical control lathe, the cutters are exposed to the cutter in the environment in the numerical control lathe when the cutter is replaced each time, the cutters are easy to affect the wound scraps, and the hidden danger of the cutter is easy to be connected to the cutter.

Disclosure of Invention

The utility model aims to provide a numerical control lathe with a tool changing device, which can clean scraps on a tool.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a numerical control lathe with tool changing device, includes the numerical control lathe body, this internal tool changing subassembly that is provided with of numerical control lathe, tool changing subassembly is including setting up the inside tool changing frame of numerical control lathe body and drive its horizontal back-and-forth movement's driving piece and set up the elastic component on the manipulator top that is used for removing the cutter with it links to each other, set up the hole of placing of cutter on the tool changing frame, the inside clearance mechanism that sets up of numerical control lathe body, clearance mechanism is including driving the subassembly and setting up in its one end is used for contacting the scraper blade on the tool changing frame, the drive subassembly is including setting up fixed plate on the numerical control lathe body and setting up gyro wheel and one end on the fixed plate with the driving piece that the gyro wheel links to each other, set up on the tool changing frame and supply gyro wheel one side is gone into deeply place the through groove one in the hole, the driving piece is driven can drive the gyro wheel is rotated around self central axis, the scraper blade sets up on the fixed plate.

Preferably, a through groove II for the scraping plate on the fixing plate to enter the placing hole is formed in one side of the outer wall of the tool changing frame.

Preferably, the upper end of the scraping plate is covered in the chip blocking shell, and the chip blocking shell is supported on the fixing plate.

Preferably, the upper end inside the chip blocking shell is provided with an air outlet nozzle, and the input end of the air outlet nozzle is communicated with an air supply pump.

Preferably, the driving piece comprises a vertical rod connected with the roller, a worm wheel sleeved on the vertical rod and a worm meshed with the worm wheel and arranged at one end of the fixing plate, and one end of the worm is connected with a motor.

Preferably, the lower end of the scraping plate is detachably connected with a chip removing plate for cleaning a drill bit arranged on the cutter changing frame.

Preferably, the lower end of the fixing plate is provided with a storage box.

The utility model has the beneficial effects that: compared with the prior art, the scraper for contacting the surface of the tool on the tool changing frame and the driving assembly for supporting the scraper in the numerical control lathe are arranged in the numerical control lathe, one end of the driving assembly is moved back after the tool changing frame is completed to enable the outer wall of the tool on the tool changing frame to be in contact with the roller on the driving assembly, the roller is driven by the driving piece in the driving assembly to rotate, the tool is indirectly driven to rotate around the central axis of the roller, the scraper is used for comprehensively scraping and cleaning the outer wall of the tool on the tool changing frame, the condition that the tool placed on the tool changing frame in the numerical control lathe is wound with excessive scraps is changed, meanwhile, the scrap cleaning plate which can be in contact with the surface of the drill bit below the tool is connected under the scraper is used, the overall cleaning effect of the tool on the tool changing frame is further enhanced, the potential safety hazard caused by the scraps in tool changing is reduced, manual cleaning is not needed, the labor amount of personnel is reduced, and the cleaning is convenient and fast.

Drawings

FIG. 1 is a schematic diagram showing a mechanism for displaying an upper part of a tool changing rest in a numerically controlled lathe according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a mechanism for separately showing the upper portion of the tool changer in one embodiment of the utility model;

FIG. 3 is an exploded view of a portion of the mechanism for separately showing the tool changing holder and the cleaning mechanism in accordance with one embodiment of the present utility model;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is an exploded view of a portion of the mechanism for showing the tool changing holder and cleaning mechanism in accordance with one embodiment of the utility model.

Reference numerals: 1. a numerically controlled lathe body; 2. changing a tool rest; 3. a manipulator; 4. a gas outlet nozzle; 5. a worm; 6. a motor; 7. a vertical rod; 8. a scraper; 9. a chip blocking shell; 10. a chip removing plate; 11. a roller; 12. a fixing plate; 13. a worm wheel; 14. a storage box; 15. a cutter; 16. placing the hole; 17. a first through groove; 18. and a second through groove.

Description of the embodiments

The following description is only of preferred embodiments of the present utility model, and the scope of protection is not limited to the examples, but the technical solutions falling under the concept of the present utility model should fall under the scope of protection of the present utility model, and it should be pointed out that, for those skilled in the art, these modifications and adaptations should and are considered as well, without departing from the principle of the present utility model.

It should be noted that in this document, 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.

Directional words such as "up, down, left, right" and the like in the present embodiment are merely used in conjunction with the various figures to enable one skilled in the art to understand the association between various features or elements and the like.

As shown in fig. 1 to 5, a tool changing device for a lathe comprises a numerically controlled lathe body 1, wherein a tool changing assembly is arranged in the numerically controlled lathe body 1, the tool changing assembly comprises a tool changing frame 2 arranged in the numerically controlled lathe body 1, a driving piece connected with the inside of the numerically controlled lathe body 1 and an elastic piece arranged at the top end of a manipulator 3 for moving a tool 15, in the embodiment, the driving piece consists of a bracket (not shown in the drawing) fixed at the left end and the right end of the outer wall of the tool changing frame 2 and a cylinder (not shown in the drawing) fixed at one end of the bracket, the cylinder is driven to reciprocate in the numerically controlled lathe by driving the tool changing frame 2 horizontally through the bracket, the elastic piece adopts technical equipment conventionally applied by a person skilled in the art and is used for performing elastic operation on the upper end of the tool 15, the tool changing frame 2 is composed of a plurality of groups of supporting blocks (not shown in the drawing) which are conventionally applied by the skilled person, round placing holes 16 for placing tools 15 are formed on two adjacent groups of supporting blocks in a matching way, a cuboid fixing plate 12 is fixed on the rear side of the tool changing frame 2 in a numerical control lathe, a plurality of groups of U-shaped notches are formed at the front end of the fixing plate 12 along the length direction, the tool changing frame is characterized in that the supporting blocks of each group are moved into the notches, a vertical rod 7 is vertically fixed on the upper side of the front end of the fixing plate 12, a roller 11 is fixedly sleeved on the outer wall of the upper end of the vertical rod 7, a through groove I17 which is positioned on the left side of each group of supporting blocks in the tool changing frame 2 and is consistent with the roller 11 in height on the fixing plate 12 is formed, the through groove I17 is communicated with the placing holes 16, a through groove II 18 is formed at the rear end between the groups of the supporting blocks, the front ends of the supporting blocks are all connected through connecting blocks (not shown in the drawing), the heights of the supporting blocks are shorter than the heights of the cutters 15, the lower ends of the upright posts 7 of the groups penetrate through the fixed plate 12, one end of each upright post 7 of the group, which is positioned below the fixed plate 12, is sleeved and fixed with a worm wheel 13, the lower side of the rear end of the fixed plate 12 is fixed with a motor 6, the top end of an output shaft of the motor 6 is fixed with a worm 5 meshed with the worm wheel 13, in the embodiment, because the upright posts 7 are provided with a plurality of groups, the worm 5 is in a discontinuous design, the worm 5 of each group is connected below the fixed plate 12 through a middle rod (not shown in the drawing), the middle rod is supported below the fixed plate 12 through a vertical plate (not shown in the drawing), the rear end of the fixed plate 12, which is positioned at a notch, is fixed with a scraping plate 8, in the embodiment, the rear end of the scraping plate 8 is fixed on the upper side of the fixed plate 12, the front side of the front end is designed into a shape fitting with the outer wall of the cutters 15, the chip cleaning plate 10 which can be attached to the surface of a drill bit in the cutter 15 is fixed on the lower side of the front end of the chip cleaning plate through bolts (not shown in the drawing), the storage box 14 is fixed on the lower end of the fixed plate 12, the rear side of the upper end of the storage box 14 is fixed on the rear end of the lower side of the fixed plate 12, the bottom surface of the storage box is designed to incline downwards from front to back, the upper end of the storage box 14 is designed to be an opening, the opening of the storage box is positioned right below a notch of the fixed plate 12, the chip blocking shell 9 which covers the scraping plate 8, the upright rod 7 and the roller 11 inside is fixed on the upper side of the fixed plate 12, the air outlet spray head 4 is fixed on the upper side of the inner wall of the chip blocking shell 9, the input end of the air outlet spray head 4 is communicated with the air supply pump (not shown in the drawing), the output end of the air outlet spray head 4 faces downwards towards the middle part of the chip blocking shell 9, when the cutter 15 on the cutter rest 2 enters the inside the chip blocking shell 9, the air jet is conveyed to the air outlet nozzle 4 through the air supply pump, and is sprayed out by the air outlet nozzle 4.

When cleaning is not required, as shown in fig. 1, the motor 6 is in a stopped state and the tool 15 on the tool changing holder 2 is located inside the chip blocking housing 9 when the lathe operation is performed.

When the cutter 15 needs to be cleaned, the driving piece firstly drives the cutter changing frame 2 to move out of the chip blocking shell 9, the manipulator 3 can move onto the cutter changing frame 2 and insert the used cutter 15 into the cutter changing frame 2, a new cutter is replaced, then the cutter changing frame 2 moves back to enable the cutter 15 to be positioned inside the chip blocking shell 9, as the through grooves 18 are formed in the rear ends of two adjacent groups of supporting blocks in the cutter changing frame 2, when the cutter changing frame 2 moves back, the front side of the scraping plate 8 enters between the two groups of adjacent supporting blocks through the through grooves 18 and is attached to the outer wall of the cutter 15, the chip clearing plate 10 at the lower end of the scraping plate 8 is attached to the outer wall of a drill bit at the lower end of the cutter 15 at the same time, the cutter 15 is supported at the inner end of the placing hole 16, the outer wall of the cutter is attached to the outer wall of the roller 11 on the fixing plate 12 through the through groove 17, then a control system controls the worm 5 to start to rotate positively, the worm 5 drives the worm 13, the worm 7 drives the roller 11, the roller 11 drives the cutter 15 to rotate around the central axis of the self, in the rotating process, chips on the outer wall of the cutter 15 can be scraped off by the scraping plate 8, and the scraping plate 4 at the same time, and the chip clearing plate 10 is attached to the outer wall of the waste chips on the outer wall of the scraping plate, and the waste chips are attached to the inner side of the waste chips through the air jet nozzle 9, and the waste chips through the air jet box, and the waste chips entering the fixing box, and the waste storage box, and the storage box.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. The numerical control lathe with the tool changing device comprises a numerical control lathe body (1), wherein a tool changing assembly is arranged in the numerical control lathe body (1), the tool changing assembly comprises a tool changing frame (2) arranged in the numerical control lathe body (1), a driving piece connected with the tool changing frame and driving the tool changing frame to horizontally move forwards and backwards, and an elastic piece arranged at the top end of a manipulator (3) for moving a tool (15),

it is characterized in that the tool changing frame (2) is provided with a placing hole (16) for placing a tool (15),

a cleaning mechanism is arranged inside the numerical control lathe body (1);

the cleaning mechanism comprises a driving component and a scraping plate (8) arranged at one end of the driving component and used for contacting the surface of a cutter (15) on the cutter changing frame (2), the driving component comprises a fixed plate (12) arranged on the numerically controlled lathe body (1), a roller (11) arranged on the fixed plate (12) and a driving piece with one end connected with the roller (11), and a through groove I (17) for one side of the roller (11) to go deep into the placing hole (16) is formed in the cutter changing frame (2);

the driving piece is driven to drive the roller (11) to rotate around the central axis of the roller;

the scraping plate (8) is arranged on the fixed plate (12).

2. The numerically controlled lathe with the tool changing device according to claim 1, wherein a through groove II (18) for allowing the scraping plate (8) on the fixing plate (12) to enter the placement hole (16) is formed in one side of the outer wall of the tool changing frame (2).

3. A numerically controlled lathe with a tool changer according to claim 1, characterized in that the upper end of the scraper (8) is covered in a chip blocking shell (9), and that the chip blocking shell (9) is supported on the fixed plate (12).

4. A numerically controlled lathe with a tool changing device according to claim 3, characterized in that the upper end inside the chip blocking shell (9) is provided with an air outlet nozzle (4), and the input end of the air outlet nozzle (4) is communicated with an air supply pump.

5. The numerically controlled lathe with the tool changing device according to claim 1, wherein the driving piece comprises a vertical rod (7) connected with the roller (11), a worm wheel (13) sleeved on the vertical rod (7) and a worm (5) arranged at one end of the fixed plate (12) and meshed with the worm wheel (13), and one end of the worm (5) is connected with a motor (6).

6. The numerically controlled lathe with the tool changing device according to claim 5, wherein the lower end of the scraping plate (8) is detachably connected with a chip cleaning plate (10) for cleaning a drill bit mounted on a tool (15) on the tool changing frame (2).

7. The numerically controlled lathe with the tool changing device according to claim 1, wherein a storage box (14) is arranged at the lower end of the fixed plate (12).