Synchronous guide sleeve device of machine tool

Abstract

The utility model relates to the technical field of machining guide sleeve accessories, and discloses a synchronous guide sleeve device of a machine tool, which comprises a base and a knife rest slidably mounted on the base, a fixed seat is mounted at one end of the upper surface of the base, a mounting seat is connected onto the fixed seat, a limiting component for a workpiece to penetrate through is rotatably mounted on the mounting seat, and the limiting component is mounted on the upper surface of the base. According to the utility model, through the cooperative use of the guide sleeve supporting nozzle chuck and the main shaft chuck which are coaxially arranged, a workpiece to be processed is clamped between the guide sleeve supporting nozzle chuck and the main shaft chuck, so that the two-point support of the workpiece to be processed is realized; and the to-be-machined end of a workpiece material is clamped, shaking is not prone to occurring, the stability of the workpiece material in the machining process is guaranteed, the machining precision is improved, the position of the guide sleeve supporting nozzle chuck is adjustable, machining of machining materials of different lengths is achieved, and using is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of machined guide sleeve accessories, in particular to a synchronous guide sleeve device of a machine tool. Background Art

[0002] Guide bushings are usually used in machine tools or other mechanical equipment. Their main function is to guide and position tools or workpieces to ensure accuracy and stability during processing. The use of guide bushings can reduce errors, improve processing quality, and extend the service life of machine tools and tools to a certain extent.

[0003] After searching, the patent with application number CN202120168620.1 discloses an embedded synchronous guide sleeve device of a machine tool, including a spindle mechanism and a guide sleeve mechanism for discharging materials, the guide sleeve mechanism having an inner cavity for the spindle mechanism to extend into, and a guide mechanism is also provided between the guide sleeve mechanism and the spindle mechanism, and the guide sleeve mechanism and the spindle mechanism are connected through the guide mechanism. When processing materials, the spindle mechanism clamps the material, and the spindle mechanism can be embedded in the guide sleeve mechanism through the inner cavity, so that the spindle mechanism can extend to the nearest position to the cutting device of the machine tool, maximizing the shortening of the length of the tail material, so that the material can achieve the shortest tail material, so as to save material costs. Furthermore, the guide mechanism also plays a guiding role, so that the spindle mechanism can smoothly extend into the guide sleeve mechanism. In addition, the utility model has the characteristics of good stability, simple structure, and easy operation and installation.

[0004] The guide sleeve currently used for machining only clamps the workpiece through a chuck when processing long workpiece materials, and lacks a limiting structure for the processing end of the workpiece material, which makes the workpiece easy to shake during processing, greatly reducing the processing accuracy. Therefore, we need to propose a synchronous guide sleeve device for machine tools. Utility Model Content

[0005] The purpose of the utility model is to provide a synchronous guide sleeve device for a machine tool, which can clamp a workpiece to be processed between the guide sleeve nozzle chuck and the spindle chuck by coaxially arranged guide sleeve nozzle chuck and spindle chuck, so as to realize two-point support of the workpiece to be processed and clamp one end of the workpiece material to be processed, which is not easy to shake, thus ensuring the stability of the workpiece material processing process and improving the processing accuracy. The position of the guide sleeve nozzle chuck is adjustable, and processing of materials of different lengths is realized, which is more convenient and quick to use, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a synchronous guide sleeve device of a machine tool, comprising a base and a tool holder slidably mounted on the base, a fixed seat is installed at one end of the upper surface of the base, a mounting seat is connected to the fixed seat, a limiting assembly for a workpiece to pass through is rotatably mounted on the mounting seat, a bearing seat is also installed on the mounting seat, a guide sleeve nozzle bracket is connected to one side of the tool holder, a synchronous spline shaft is installed between the bearing seat and the guide sleeve nozzle bracket, a guide sleeve nozzle chuck for the workpiece to pass through is rotatably mounted on one side of the guide sleeve nozzle bracket, the limiting assembly is coaxially arranged with the guide sleeve nozzle chuck, the guide sleeve nozzle chuck is located above the tool holder, and the limiting assembly and the guide sleeve nozzle chuck are transmission-connected via a transmission assembly.

[0007] Preferably, a slide rail is installed on the base, a slider is installed at the bottom of the tool holder, and the slider is slidably installed on the slide rail.

[0008] Preferably, a through hole is formed on the mounting seat, and the limiting assembly comprises a connecting piece rotatably mounted inside the through hole, one end of the connecting piece is connected to the main shaft, and the other end of the connecting piece is connected to the main shaft chuck.

[0009] Preferably, the transmission assembly includes a first pulley sleeved on the main shaft, a second pulley and a third pulley sleeved on both ends of the synchronous spline shaft, and a fourth pulley sleeved on the guide sleeve nozzle chuck.

[0010] Preferably, the first pulley is connected to the second pulley via a first belt transmission, and the third pulley is connected to the fourth pulley via a second belt transmission.

[0011] Preferably, a positioning piece for locking the synchronous spline shaft is installed on one side of the guide sleeve nozzle bracket, and a protective cover capable of shielding the third pulley and the fourth pulley is installed on the other side of the guide sleeve nozzle bracket.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses the tool is used for the workpiece which is to be machined between the guide sleeve supporting nozzle chuck and the spindle chuck by the coaxially arranged guide sleeve supporting nozzle chuck and the spindle chuck, so that the workpiece is supported at two points and one end of the workpiece material to be machined is clamped, which is not easy to shake and ensures the stability of the workpiece material processing process and improves the processing accuracy. Moreover, the position of the guide sleeve supporting nozzle chuck is adjustable, so that the processing of materials of different lengths can be realized, and the use is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric drawing of the utility model;

[0015] Figure 2It is a structural schematic diagram of the utility model;

[0016] Figure 3 The utility model is a schematic diagram of the structure of the main shaft, four pulleys, a synchronous spline shaft and a guide sleeve support nozzle chuck.

[0017] In the figure: 1. base; 2. slide rail; 3. fixed seat; 4. mounting seat; 5. main shaft; 6. main shaft chuck; 7. synchronous spline shaft; 8. guide sleeve and nozzle bracket; 9. protective cover; 10. guide sleeve and nozzle chuck; 11. positioning piece; 12. tool holder; 13. bearing seat; 14. first pulley; 15. second pulley; 16. third pulley; 17. fourth pulley; 18. connecting piece; 19. first belt; 20. second belt. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 The utility model provides a technical solution: a synchronous guide sleeve device of a machine tool, comprising a base 1 and a tool holder 12 slidably mounted on the base 1, a fixed seat 3 is mounted on one end of the upper surface of the base 1, a mounting seat 4 is connected to the fixed seat 3, flanges are integrally formed at the lower ends of the two non-adjacent sides of the mounting seat 4, the flanges are fixed to the fixed seat 3 by bolts, a limit assembly for the workpiece to pass through is rotatably mounted on the mounting seat 4, and the limit assembly applies a clamping force to the outer wall of the workpiece to be processed, a bearing seat 13 is also mounted on the mounting seat 4, and one side of the tool holder 12 is connected to There is a guide sleeve nozzle bracket 8, which is L-shaped. A synchronous spline shaft 7 is installed between the bearing seat 13 and the guide sleeve nozzle bracket 8. The synchronous spline shaft 7 plays a transmission role. A guide sleeve nozzle chuck 10 for the workpiece to pass through is rotatably installed on one side of the guide sleeve nozzle bracket 8. The limit assembly is coaxially arranged with the guide sleeve nozzle chuck 10. The guide sleeve nozzle chuck 10 is located above the tool holder 12. The limit assembly and the guide sleeve nozzle chuck 10 are connected through the transmission assembly to achieve synchronous rotation of the limit assembly and the guide sleeve nozzle chuck 10 to ensure smooth rotation of the workpiece to be processed.

[0020] A slide rail 2 is installed on the base 1, and a slider is installed at the bottom of the tool holder 12. The slider is slidably installed on the slide rail 2. The tool holder 12 and the guide sleeve nozzle bracket 8 are driven to move by the slide rail, thereby realizing the adjustment of the distance between the guide sleeve nozzle chuck 10 and the spindle chuck 6, which is convenient for processing workpieces of different lengths.

[0021] A through hole is provided on the mounting seat 4, and the limiting assembly includes a connecting member 18 rotatably installed inside the through hole, one end of the connecting member 18 is connected to the main shaft 5, and the other end of the connecting member 18 is connected to the main shaft chuck 6. The rotation of the main shaft 5 can drive the main shaft chuck 6 to rotate.

[0022] The transmission assembly includes a first pulley 14 sleeved on the main shaft 5 , a second pulley 15 and a third pulley 16 sleeved on both ends of the synchronous spline shaft 7 , and a fourth pulley 17 sleeved on the guide sleeve nozzle chuck 10 .

[0023] The first pulley 14 and the second pulley 15 are connected to each other via a first belt 19 , and the third pulley 16 and the fourth pulley 17 are connected to each other via a second belt 20 .

[0024] The main shaft 5 drives the synchronous spline shaft 7 to rotate in cooperation with the first pulley 14, the second pulley 15 and the first belt 19. The synchronous spline shaft 7 drives the guide sleeve nozzle chuck 10 to rotate in cooperation with the third pulley 16, the fourth pulley 17 and the second belt 20, thereby realizing the synchronous rotation of the main shaft chuck 6 and the guide sleeve nozzle chuck 10.

[0025] A positioning piece 11 for locking the synchronous spline shaft 7 is installed on one side of the guide sleeve nozzle bracket 8, and a protective cover 9 that can cover the third pulley 16 and the fourth pulley 17 is installed on the other side of the guide sleeve nozzle bracket 8.

[0026] When in use, the position of the guide sleeve nozzle chuck 10 is adjusted according to the length of the workpiece to be processed (i.e., the distance between the spindle chuck 6 and the guide sleeve nozzle chuck 10 is adjusted), and the guide rail 2 is driven to operate, which drives the tool holder 12 to move, thereby realizing the lateral movement of the guide sleeve nozzle bracket 8, that is, realizing the adjustment of the position of the guide sleeve nozzle chuck 10, and making the processing end of the workpiece to be processed just pass through the guide sleeve nozzle chuck 10 by a small distance, so as to prevent the end of the workpiece to be processed from shaking during processing;

[0027] Then, a synchronous spline shaft 7 is installed between the bearing seat 13 and the guide sleeve nozzle bracket 8 to realize the transmission between the spindle chuck 6 and the guide sleeve nozzle chuck 10, and the main shaft 5 is driven to rotate by the motor and the transmission structure (not shown in the figure). The main shaft 5 drives the spindle chuck 6 to rotate, and the spindle 5 drives the synchronous spline shaft 7 to rotate with the cooperation of the first pulley 14, the second pulley 15 and the first belt 19. The synchronous spline shaft 7 drives the guide sleeve nozzle chuck 10 to rotate with the cooperation of the third pulley 16, the fourth pulley 17 and the second belt 20, so that the spindle chuck 6 and the guide sleeve nozzle chuck 10 rotate synchronously to prevent the speed difference between the two, thereby driving the workpiece to be processed to rotate, and with the cooperation of the tool (not shown in the figure) on the tool holder 12, the end of the workpiece to be processed is processed.

[0028] 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 synchronous guide sleeve device for a machine tool, comprising a base (1) and a tool holder (12) slidably mounted on the base (1), characterized in that: A fixing seat (3) is installed at one end of the upper surface of the base (1), and a mounting seat (4) is connected to the fixing seat (3). A limiting assembly for a workpiece to pass through is rotatably installed on the mounting seat (4), and a bearing seat (13) is also installed on the mounting seat (4). A guide sleeve nozzle bracket (8) is connected to one side of the tool holder (12), and a synchronous spline shaft (7) is installed between the bearing seat (13) and the guide sleeve nozzle bracket (8). A guide sleeve nozzle chuck (10) for a workpiece to pass through is rotatably installed on one side of the guide sleeve nozzle bracket (8). The limiting assembly and the guide sleeve nozzle chuck (10) are coaxially arranged, and the guide sleeve nozzle chuck (10) is located above the tool holder (12). The limiting assembly and the guide sleeve nozzle chuck (10) are connected in transmission via a transmission assembly.

2. A synchronous guide sleeve device for a machine tool according to claim 1, characterized in that: A slide rail (2) is installed on the base (1), a slider is installed at the bottom of the tool holder (12), and the slider is slidably installed on the slide rail (2).

3. A synchronous guide sleeve device for a machine tool according to claim 1, characterized in that: The mounting seat (4) is provided with a through hole, and the limiting assembly comprises a connecting piece (18) rotatably mounted inside the through hole, one end of the connecting piece (18) is connected to the main shaft (5), and the other end of the connecting piece (18) is connected to the main shaft chuck (6).

4. A synchronous guide sleeve device for a machine tool according to claim 3, characterized in that: The transmission assembly comprises a first pulley (14) sleeved on a main shaft (5), a second pulley (15) and a third pulley (16) sleeved on two ends of a synchronous spline shaft (7), and a fourth pulley (17) sleeved on a guide sleeve support nozzle chuck (10).

5. A synchronous guide sleeve device for a machine tool according to claim 4, characterized in that: The first belt pulley (14) and the second belt pulley (15) are connected to each other via a first belt (19), and the third belt pulley (16) and the fourth belt pulley (17) are connected to each other via a second belt (20).

6. A synchronous guide sleeve device for a machine tool according to claim 5, characterized in that: A positioning member (11) for locking the synchronous spline shaft (7) is installed on one side of the guide sleeve nozzle bracket (8), and a protective cover (9) capable of shielding the third pulley (16) and the fourth pulley (17) is installed on the other side of the guide sleeve nozzle bracket (8).

Images