Main shaft device with signal detection function

Abstract

The utility model relates to a spindle device with signal detection, which comprises a spindle box, a spindle, an unclamping cylinder support, an unclamping cylinder and an unclamping component, the spindle is mounted in the spindle box, a detachable unclamping disc is arranged on the spindle, a flange is arranged between a synchronous belt component and the unclamping disc, the unclamping cylinder is mounted at one end of the unclamping cylinder support, and the unclamping cylinder is mounted at the other end of the unclamping cylinder support. The driving end of the unclamping cylinder penetrates through the unclamping cylinder support to be connected with the unclamping assembly, the unclamping cylinder is used for driving the unclamping assembly to loosen and tighten the unclamping disc, and the spindle box is connected with the unclamping cylinder support through a connecting assembly. The connecting assembly is provided with a first proximity switch used for conducting main shaft orientation on the main shaft and a second proximity switch used for detecting the position of the cutter beating disc, and the flange is provided with a signal rod used for being matched with the first proximity switch in a detection mode. According to the main shaft device, main shaft orientation and empty tool detection are achieved, and the safety of equipment is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining equipment technical field especially a main shaft device with signal detection. BACKGROUND

[0002] The spindle of the machine tool in the prior art is usually oriented by an encoder. Since the spindle of the machine tool and the motor are connected through a synchronous belt assembly, the spindle cannot be oriented by installing a signal wheel and cooperating with the encoder. Moreover, when the tool changing cylinder of the existing machine tool spindle loosens and tightens the tool disc on the spindle, it cannot detect whether the tool disc has been installed, which causes the tool changing cylinder to idle and easily damages the tool changing cylinder, thereby affecting the service life of the tool changing cylinder. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a main shaft device with signal detection, which realizes spindle orientation and tool detection and improves the safety of the equipment.

[0004] The technical scheme adopted by the utility model to solve the technical problem is: a main shaft device with signal detection, comprising a spindle box, a spindle, a tool changing cylinder support, a tool changing cylinder and a tool changing assembly, the spindle is installed in the spindle box, the spindle is provided with a tool disc, a flange is arranged between the synchronous belt assembly and the tool disc, the tool changing cylinder is installed at one end of the tool changing cylinder support, the driving end of the tool changing cylinder passes through the tool changing cylinder support and is connected with the tool changing assembly, the tool changing cylinder is used for driving the tool changing assembly to loosen and tighten the tool disc, the spindle box is connected with the tool changing cylinder support, the spindle box is provided with a first proximity switch for orienting the spindle and a second proximity switch for detecting the position of the tool disc, and a signal rod for cooperating with the first proximity switch for detection is arranged on the flange.

[0005] In one embodiment, the tool changing assembly of the main shaft device with signal detection comprises a connecting plate and two pressing plates for loosening and tightening the tool disc, the connecting plate is fixedly connected with the driving end of the tool changing cylinder, and the two pressing plates are symmetrically installed on the connecting plate.

[0006] In one embodiment, the main shaft device with signal detection further comprises a motor, the motor is installed at the top end of the spindle box, the driving end of the motor is connected with the spindle through the synchronous belt assembly, the motor is used for driving the synchronous belt assembly to drive the spindle to rotate, and the spindle drives the tool disc to rotate.

[0007] In one embodiment, the synchronous belt assembly of the main shaft device with signal detection comprises a synchronous belt, a driving wheel and a driven wheel, the driving wheel is installed on the driving end of the motor, the driven wheel is installed on the spindle, and the synchronous belt is wound around the driving wheel and the driven wheel.

[0008] In one of the embodiments, the spindle box of the spindle device with signal detection comprises a box body and a mounting window, one end of the mounting window is connected with the box body, and the other end of the mounting window is connected with a tool changing cylinder support, and the first proximity switch and the second proximity switch are respectively mounted on the mounting window.

[0009] In one of the embodiments, the spindle of the spindle device with signal detection is provided with a plurality of bearings for supporting the spindle.

[0010] The beneficial effects of the present application are:

[0011] The present application provides a spindle device with signal detection, which realizes spindle orientation detection by cooperating the flange with the signal rod on the spindle with the first proximity switch on the connecting assembly. The second proximity switch on the connecting assembly detects the position of the tool changing disc, and if there is no tool on the spindle or the tool falls off, the second proximity switch will send a detection signal in time, and the machine tool will send an alarm signal, so as to intervene artificially to avoid the scrapping of the machined parts or other safety hazards. The spindle device not only realizes spindle orientation and tool detection, but also improves the safety of the equipment.

[0012] The spindle device with signal detection also adopts a tool changing assembly to ensure the loosening and tightening effect of the tool changing disc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The schematic view of the spindle device with signal detection of the embodiments of the present application;

[0014] Among them:

[0015] 1, spindle box; 2, spindle; 3, tool changing cylinder support; 4, tool changing cylinder; 5, tool changing assembly; 6, tool changing disc; 7, flange; 8, mounting window; 9, first proximity switch; 10, second proximity switch; 11, signal rod; 12, motor; 13, synchronous belt assembly; 51, connecting plate; 52, pressing plate; 131, synchronous belt; 132, driving wheel; 133, driven wheel; 21, bearing. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0017] The embodiment of the application provides a main shaft device with signal detection, which comprises a main shaft box 1, a main shaft 2, a tool changing cylinder support 3, a tool changing cylinder 4 and a tool changing assembly 5, the main shaft 2 is installed in the main shaft box 1, a tool changing disc 6 is arranged on the main shaft 2, a flange 7 is arranged between the synchronous belt assembly 13 and the tool changing disc 6, the tool changing cylinder 4 is installed at one end of the tool changing cylinder support 3, a driving end of the tool changing cylinder 4 penetrates through the tool changing cylinder support 3 and is connected with the tool changing assembly 5, the tool changing cylinder 4 is used for driving the tool changing assembly 5 to perform tool loosening and tool tightening operations on the tool changing disc 6, the main shaft box 1 is connected with the tool changing cylinder support 3, a first proximity switch 9 used for main shaft orientation of the main shaft 2 and a second proximity switch 10 used for detecting the position of the tool changing disc 6 are arranged in the main shaft box, and a signal rod 11 used for detection cooperation with the first proximity switch 9 is arranged on the flange 7.

[0018] Specifically, the motor 12 drives the synchronous belt assembly 13 to drive the main shaft 2 to rotate, the flange 7 on the main shaft 2 drives the signal rod 11 to rotate, when the signal rod 11 rotates to the first proximity switch 9, the first proximity switch 9 sends a main shaft orientation signal, after the main shaft orientation stops rotating, when the tool needs to be changed, the tool changing cylinder 4 drives the tool changing assembly 5 to drive the tool changing disc 6 to move to the left, the main shaft 2 performs a tool loosening action, then the tool magazine performs a tool changing operation on the main shaft 2, after the tool is changed, the tool changing cylinder 4 drives the tool changing assembly 5 to move to the right, the tool changing assembly 5 moves away from the tool changing disc 6, the tool changing disc 6 moves to the right, and the broach state is restored, and the main shaft 2 performs a next process machining. During the whole tool changing or machining, the second proximity switch 10 detects the position of the tool changing disc 6 on the main shaft 2, if there is no tool on the main shaft 2 or the tool falls off, the second proximity switch 10 sends a detection signal in time, and the machine tool sends an alarm signal, so that manual intervention is performed, so as to prevent the machining parts from being scrapped or other safety hazards.

[0019] In the above structure, the first proximity switch 9 is arranged to perform main shaft orientation, and can replace an encoder to perform detection. The second proximity switch 10 is arranged to detect the position of the tool changing disc 6, and a more safe closed loop detection environment is provided. The main shaft 2 device not only realizes main shaft orientation and empty tool detection, but also improves the safety of detection.

[0020] In one of the embodiments, the tool removal assembly 5 of the main shaft device with signal detection comprises a connecting plate 51 and two pressing plates 52 for loosening and tightening the tool removal disc 6, the connecting plate 51 is fixedly connected with the driving end of the tool removal cylinder 4, and the two pressing plates 52 are symmetrically installed on the connecting plate 51. The tool removal cylinder 4 drives the connecting plate 51 to move the two pressing plates 52 horizontally to the tool removal disc 6, the two pressing plates 52 press the tool removal disc 6 and drive the tool removal disc to move rightwards, thereby realizing the drawbar operation of the main shaft 2. After the machining is completed, when the tool needs to be replaced, the tool removal cylinder 4 drives the two pressing plates 52 to move the tool removal disc 6 leftwards, thereby realizing the loosening action of the main shaft 2. The arrangement improves the loosening and tightening efficiency of the tool removal disc 6 and ensures the tool installation efficiency.

[0021] In one of the embodiments, the main shaft device with signal detection further comprises a motor 12, the motor 12 is installed at the top end of the main shaft box 1, the driving end of the motor 12 is connected with the main shaft 2 through a synchronous belt assembly 13, the motor 12 is used to drive the synchronous belt assembly 13 to drive the main shaft 2 to rotate, and the main shaft 2 drives the tool removal disc 6 to rotate. The motor 12 drives the synchronous belt assembly 13 to rotate, and the synchronous belt assembly 13 drives the main shaft 2 to rotate. The arrangement facilitates driving the main shaft 2 to drive the tool removal disc 6 to rotate for machining.

[0022] In one of the embodiments, the synchronous belt assembly 13 of the main shaft device with signal detection comprises a synchronous belt 131, a driving wheel 132 and a driven wheel 133, the driving wheel 132 is installed on the driving end of the motor 12, the driven wheel 133 is installed on the main shaft 2, and the synchronous belt 131 is wound around the driving wheel 132 and the driven wheel 133. The motor 12 drives the driving wheel 132 to rotate, the driving wheel 132 drives the synchronous belt 131 and the driven wheel 133 to rotate, and the driven wheel 133 drives the main shaft 2 to rotate. The arrangement facilitates driving the main shaft 2 to rotate.

[0023] In one of the embodiments, the main shaft box 1 of the main shaft device with signal detection comprises a box body and an installation window 8, one end of the installation window 8 is connected with the box body, the other end of the installation window 8 is connected with the tool removal cylinder support 3, and the first proximity switch 9 and the second proximity switch 10 are respectively installed on the installation window 8. The arrangement facilitates connecting the main shaft box 1 and the tool removal cylinder support 3 and facilitates installing the first proximity switch 9 and the second proximity switch 10.

[0024] In one of the embodiments, the main shaft 2 of the main shaft device with signal detection is provided with a plurality of bearings 21 for supporting the main shaft 2. The arrangement of the bearings 21 facilitates supporting the main shaft 2.

[0025] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A spindle device with signal detection, characterized in that: The invention comprises a spindle box (1), a spindle (2), a knife-beating cylinder bracket (3), a knife-beating cylinder (4) and a knife-beating assembly (5); the spindle (2) is installed in the spindle box (1); a knife-beating disc (6) is provided on the spindle (2); a flange (7) is provided between the synchronous belt assembly (13) and the knife-beating disc (6); the knife-beating cylinder (4) is installed at one end of the knife-beating cylinder bracket (3); the driving end of the knife-beating cylinder (4) passes through the knife-beating cylinder bracket (3) and is connected to the knife-beating assembly (5); the knife-beating cylinder (4) is used to drive the knife-beating assembly (5) to loosen and tighten the knife on the knife-beating disc (6); the spindle box (1) is connected to the knife-beating cylinder bracket (3); a first proximity switch (9) for orienting the spindle (2) and a second proximity switch (10) for detecting the position of the knife-beating disc are provided in the spindle box (1); a signal rod (11) for detecting and cooperating with the first proximity switch (9) is provided on the flange (7).

2. The spindle device with signal detection according to claim 1, characterized in that: The knife-beating assembly (5) comprises a connecting plate (51) and two pressing plates (52) for performing knife loosening and knife tightening operations on the knife-beating disc (6); the connecting plate (51) is fixedly connected to the driving end of the knife-beating cylinder (4); and the two pressing plates (52) are symmetrically mounted on the connecting plate (51).

3. The spindle device with signal detection according to claim 1, characterized in that: The invention also includes a motor (12), which is installed at the top of the spindle box (1). The driving end of the motor (12) is connected to the main shaft (2) through a synchronous belt assembly (13). The motor (12) is used to drive the synchronous belt assembly (13) to drive the main shaft (2) to rotate, and the main shaft (2) drives the cutting disc (6) to rotate.

4. The spindle device with signal detection according to claim 3, characterized in that: The synchronous belt assembly (13) comprises a synchronous belt (131), a driving wheel (132) and a driven wheel (133), wherein the driving wheel (132) is mounted on the driving end of the motor (12), the driven wheel (133) is mounted on the main shaft (2), and the synchronous belt (131) is wound around the driving wheel (132) and the driven wheel (133).

5. The spindle device with signal detection according to claim 1, characterized in that: The spindle box (1) includes a box body and an installation window (8), one end of the installation window (8) is connected to the box body, and the other end of the installation window (8) is connected to the knife cylinder bracket (3), and the first proximity switch (9) and the second proximity switch are respectively installed on the installation window (8).

6. The spindle device with signal detection according to claim 1, characterized in that: The main shaft (2) is provided with a plurality of bearings (21) for supporting the main shaft (2).

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