Efficient automatic tool changing mechanism of numerical control vertical type twill grinding machine

Abstract

The utility model relates to an efficient automatic tool changing mechanism of a numerical control vertical type twill grinding machine, which belongs to the technical field of tool changing devices and comprises a box body, a tool cylinder is arranged in the box body, a plurality of limiting mechanisms are arranged in the tool cylinder, a tool changing assembly is arranged on the box body, and the limiting mechanisms are arranged on the tool cylinder. And the limiting mechanism comprises a first cavity formed in the cutter cylinder, a movable plate is slidably connected to the interior of the first cavity, a second cavity is formed in the movable plate, and a cabin is fixedly connected to the interior of the second cavity. According to the efficient automatic tool changing mechanism of the numerical control vertical type twill grinding machine, by arranging the limiting mechanism, the tool changing device has a limiting function, the effect of limiting a tool body is achieved, and therefore the tool body can be conveniently and rapidly detached from the interior of a tool cylinder when the tool body is damaged or needs to be maintained, and the detaching efficiency of the tool body is improved; and the use of a user is facilitated, and the practicability of the tool changing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tool changing devices, in particular to a high-efficiency automatic tool changing mechanism for a numerically controlled vertical twill grinder. Background Art

[0002] Machining refers to the process of changing the shape, size or performance of a workpiece through a mechanical device. It can be divided into cutting and pressure machining according to the difference in processing methods. A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. When changing the tool of a traditional surface grinder, it is necessary to manually remove the tool from the grinder and reinstall the required tool. The whole process is relatively inconvenient and affects the processing efficiency.

[0003] For example, Chinese patent CN218658445U discloses an automatic tool changing device for a grinding machine, which includes a shell arranged externally, a sealing plate arranged inside the shell, and an inner cavity arranged inside the shell, and also includes a tool changing assembly and a guide sleeve. The shell is equipped with a tool changing assembly, and a guide sleeve is embedded inside one side of the sealing plate. The tool changing assembly includes a knife barrel, a rotating shaft, a tool changing motor, a knife cavity, a knife handle, a knife body, a spring, a knife exit hole, a limit ring, a hydraulic cylinder and a cylinder rod hole. The knife barrel is installed in the middle of the shell through the rotating shaft, and the tool changing motor is installed in the middle of the outer side of the shell. A plurality of knife cavities are provided at the edge of the knife cylinder, a knife handle is provided inside the knife cavity, a knife body is provided on one side of the knife handle, a spring is sleeved on the knife body on one side of the knife body, a limit ring for limiting the knife handle is provided at one end of the knife cylinder located in the knife cavity, and a hydraulic cylinder is installed on the shell on one side of the knife cylinder. However, it is inconvenient to disassemble and replace the knife body on the tool changing device when it is damaged or needs maintenance, which reduces the working efficiency of the tool changing device and is inconvenient for users to use. Therefore, a high-efficiency automatic tool changing mechanism of a CNC vertical twill grinder is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a high-efficiency automatic tool changing mechanism for a CNC vertical bevel grinder, which has the advantages of convenient disassembly, etc., and solves the problem that when the tool body on the tool changing device is damaged or needs maintenance, it is inconvenient to disassemble and replace it, which reduces the working efficiency of the tool changing device and is inconvenient for users to use.

[0005] To achieve the above object, the utility model provides the following technical solution: a high-efficiency automatic tool changing mechanism of a CNC vertical bevel grinder, comprising a box body, a tool cylinder is arranged inside the box body, a plurality of limit mechanisms are arranged inside the tool cylinder, and a tool changing assembly is arranged on the box body;

[0006] The limiting mechanism includes a first cavity opened in the knife cylinder, a movable plate is slidably connected to the interior of the first cavity, a second cavity is opened in the interior of the movable plate, a cabin body is fixedly connected to the interior of the second cavity, a limiting motor is fixedly installed on the right side of the cabin body, a threaded rod is fixedly connected to the output shaft of the limiting motor, a threaded plate is threadedly connected to the outer side of the threaded rod, an inclined plate is fixedly connected to the threaded plate, a guide rod is fixedly connected between the left and right sides of the inner wall of the cabin, a pulley is slidably connected to one side of the inclined plate, and a limiting rod is fixedly connected to one side of the pulley, a limiting spring is sleeved on the outer side of the limiting rod, and a reset component for easy reset is provided on the movable plate.

[0007] Furthermore, the reset assembly includes a reset spring fixedly connected to the right side of the movable plate, the outer side of the limit rod is slidably connected to a connecting block, the connecting block is fixedly connected to a knife body, and the top and top of the knife cylinder are fixedly connected to an annular slider.

[0008] Furthermore, the tool changing assembly includes an adjusting motor fixedly mounted on the left side of the box body, the output shaft of the adjusting motor is fixedly connected to a rotating shaft fixedly connected to the left side of the knife cylinder, an electric push rod is fixedly mounted on the left inner wall of the knife cylinder, and the output shaft of the electric push rod is fixedly connected to a telescopic rod.

[0009] Furthermore, a connecting hole is provided on the right side of the box body, and circular through holes are provided on both the left and right sides of the knife cylinder.

[0010] Furthermore, a sliding through hole is provided inside the inclined plate, and the inside of the sliding through hole is slidably connected to the outside of the guide rod.

[0011] Furthermore, a limiting groove is provided on the connection block, and the size of the limiting groove is adapted to the size of the limiting rod.

[0012] Furthermore, an annular slide groove is provided inside the box body, and the inside of the annular slide groove is slidably connected to the outside of the annular sliding block.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The efficient automatic tool changing mechanism of the CNC vertical bevel grinder has a limiting mechanism, which enables the tool changing device to have a limiting function, thereby achieving the effect of limiting the tool body, so that the tool body can be quickly removed from the inside of the knife barrel when the tool body is damaged or needs maintenance, thereby improving the disassembly efficiency of the tool body, facilitating the use of users, and increasing the practicality of the tool changing device.

[0015] 2. The efficient automatic tool changing mechanism of the CNC vertical bevel grinder is equipped with a tool changing assembly so that the tool changing device has the function of tool changing, thereby achieving the effect of switching multiple tool bodies, thereby facilitating the replacement of tool bodies of different models for processing workpieces, thereby improving the tool changing efficiency of the tool changing device, facilitating the use of users, and improving the practicality of the tool changing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the movable plate of the utility model;

[0018] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 This is a schematic diagram of the knife barrel structure of the utility model.

[0020] In the figure: 1. box body; 2. knife barrel; 3. first cavity; 4. movable plate; 5. second cavity; 6. cabin body; 7. limit motor; 8. threaded rod; 9. threaded plate; 10. inclined plate; 11. guide rod; 12. pulley; 13. limit rod; 14. limit spring; 15. connecting block; 16. knife body; 17. annular slider; 18. adjustment motor; 19. rotating shaft; 20. electric push rod; 21. telescopic rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 In this embodiment, a high-efficiency automatic tool changing mechanism of a CNC vertical twill grinder includes a box body 1, a connecting hole is opened on the right side of the box body 1, an annular slide groove is opened inside the box body 1, a knife barrel 2 is arranged inside the box body 1, circular through holes are opened on the left and right sides of the knife barrel 2, a plurality of limiting mechanisms are arranged inside the knife barrel 2, and a tool changing assembly is arranged on the box body 1.

[0023] It should be noted that, by providing the circular through hole, it is convenient for the telescopic rod 21 to be drawn out from and inserted into the first cavity 3 .

[0024] See also Figure 1-4In this embodiment, the limiting mechanism includes a first cavity 3 opened inside the knife barrel 2, a movable plate 4 is slidably connected inside the first cavity 3, a second cavity 5 is opened inside the movable plate 4, a cabin 6 is fixedly connected inside the second cavity 5, a limiting motor 7 is fixedly installed on the right side of the cabin 6, a threaded rod 8 is fixedly connected to the output shaft of the limiting motor 7, a threaded plate 9 is threadedly connected to the outer side of the threaded rod 8, an inclined plate 10 is fixedly connected to the threaded plate 9, a sliding through hole is opened inside the inclined plate 10, a guide rod 11 is fixedly connected between the left and right sides of the inner wall of the cabin 6, the inside of the sliding through hole is slidably connected to the outer side of the guide rod 11, a pulley 12 is slidably connected to one side of the inclined plate 10, a limiting rod 13 is fixedly connected to one side of the pulley 12, a limiting spring 14 is sleeved on the outer side of the limiting rod 13, and a reset component for easy reset is provided on the movable plate 4.

[0025] It should be noted that the effect of limiting the position of the blade body 16 is achieved, so that the blade body 16 can be quickly removed from the inside of the blade tube 2 when the blade body 16 is damaged or needs maintenance, thereby improving the removal efficiency of the blade body 16.

[0026] See also Figure 1-4 In this embodiment, the reset assembly includes a reset spring 22 fixedly connected to the right side of the movable plate 4, a connecting block 15 is slidably connected to the outer side of the limit rod 13, a limiting groove is provided on the connecting block 15, the size of the limiting groove is adapted to the size of the limit rod 13, a knife body 16 is fixedly connected to the connecting block 15, and an annular slider 17 is fixedly connected to the top and the top of the knife cylinder 2, and the inside of the annular slide groove is slidably connected to the outer side of the annular slider 17.

[0027] It should be noted that, by providing the return spring 22 , when the telescopic rod 21 does not press the movable plate 4 , the knife body 16 is retracted into the knife cylinder 2 .

[0028] See also Figure 1-4 In this embodiment, the tool changing assembly includes an adjusting motor 18 fixedly mounted on the left side of the box body 1, the output shaft of the adjusting motor 18 is fixedly connected to a rotating shaft 19 fixedly connected to the left side of the knife cylinder 2, an electric push rod 20 is fixedly mounted on the left inner wall of the knife cylinder 2, and the output shaft of the electric push rod 20 is fixedly connected to a telescopic rod 21.

[0029] It should be noted that the effect of switching multiple tool bodies 16 is achieved, so that it is convenient to replace tool bodies 16 of different models to process workpieces, thereby improving the tool changing efficiency of the tool changing device.

[0030] The working principle of the above embodiment is: the high-efficiency automatic tool changing mechanism of the CNC vertical bevel grinder,

[0031] 1) When in use, start the adjusting motor 18, the output shaft of the adjusting motor 18 drives the rotating shaft 19 to rotate, and the rotating shaft 19 drives the knife barrel 2 to rotate. By setting the annular slider 17 and the annular slide groove, the knife barrel 2 is limited and supported to increase the stability of the knife barrel 2 when rotating, and the knife body 16 is rotated to the same level as the connecting hole, and the electric push rod 20 is started. The output shaft of the electric push rod 20 drives the telescopic rod 21 to move rightward through the circular through hole and insert into the interior of the first cavity 3, thereby squeezing the movable plate 4. The movable plate 4 drives the knife body 16 to move rightward through the circular through hole to extend from the inside of the knife barrel 2, and then extends from the inside of the box body 1 through the connecting hole, thereby processing the workpiece.

[0032] 2) By setting a limit mechanism, the limit motor 7 is started, and the threaded rod 8 with the output shaft of the limit motor 7 rotates, the threaded rod 8 drives the threaded plate 9 to move to the left, and the threaded plate 9 drives the inclined plate 10 to move to the left. By setting a guide rod 11, the inclined plate 10 is limited and supported, which increases the stability of the inclined plate 10 during movement. The limit spring 14 is reset to make the pulley 12 on the limit rod 13 slide on the inclined surface of the inclined plate 10, so that the limit rod 13 is pulled out of the limit groove provided on the connecting block 15, so as to facilitate the quick removal of the knife body 16 from the inside of the knife barrel 2 when the knife body 16 is damaged or needs maintenance, thereby improving the disassembly efficiency of the knife body 16, facilitating the use of the user, and increasing the practicality of the knife changing device.

[0033] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency automatic tool changing mechanism for a CNC vertical bevel grinding machine, comprising a housing (1), characterized in that: A knife cylinder (2) is arranged inside the box (1), a plurality of limiting mechanisms are arranged inside the knife cylinder (2), and a knife changing assembly is arranged on the box (1); The limiting mechanism comprises a first cavity (3) provided inside the knife barrel (2), a movable plate (4) being slidably connected inside the first cavity (3), a second cavity (5) being provided inside the movable plate (4), a cabin (6) being fixedly connected inside the second cavity (5), a limiting motor (7) being fixedly installed on the right side of the cabin (6), a threaded rod (8) being fixedly connected to the output shaft of the limiting motor (7), a threaded plate (9) being threadedly connected to the outer side of the threaded rod (8), an inclined plate (10) being fixedly connected to the threaded plate (9), a guide rod (11) being fixedly connected between the left and right sides of the inner wall of the cabin (6), a pulley (12) being slidably connected to one side of the inclined plate (10), a limiting rod (13) being fixedly connected to one side of the pulley (12), a limiting spring (14) being sleeved on the outer side of the limiting rod (13), and a reset component for facilitating reset is provided on the movable plate (4).

2. The high-efficiency automatic tool changing mechanism of a CNC vertical bevel grinding machine according to claim 1 is characterized in that: The reset assembly comprises a reset spring (22) fixedly connected to the right side of the movable plate (4); a connecting block (15) is slidably connected to the outer side of the limit rod (13); a knife body (16) is fixedly connected to the connecting block (15); and an annular slider (17) is fixedly connected to the top and the bottom of the knife cylinder (2).

3. The high-efficiency automatic tool changing mechanism of a CNC vertical bevel grinding machine according to claim 1 is characterized in that: The tool changing assembly comprises an adjusting motor (18) fixedly mounted on the left side of the box body (1); the output shaft of the adjusting motor (18) is fixedly connected to a rotating shaft (19) fixedly connected to the left side of the knife cylinder (2); an electric push rod (20) is fixedly mounted on the left inner wall of the knife cylinder (2); and the output shaft of the electric push rod (20) is fixedly connected to a telescopic rod (21).

4. The high-efficiency automatic tool changing mechanism of a CNC vertical bevel grinding machine according to claim 1 is characterized in that: A connecting hole is provided on the right side of the box body (1), and circular through holes are provided on both the left and right sides of the knife cylinder (2).

5. The high-efficiency automatic tool changing mechanism of a CNC vertical bevel grinding machine according to claim 1 is characterized in that: A sliding through hole is provided inside the inclined plate (10), and the inside of the sliding through hole is slidably connected to the outside of the guide rod (11).

6. The high-efficiency automatic tool changing mechanism of a CNC vertical bevel grinding machine according to claim 2 is characterized in that: The connection block (15) is provided with a limiting groove, the size of which matches the size of the limiting rod (13).

7. A high-efficiency automatic tool changing mechanism for a CNC vertical bevel grinding machine according to claim 2, characterized in that: An annular sliding groove is provided inside the box body (1), and the inside of the annular sliding groove is slidably connected to the outside of the annular sliding block (17).

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