Motorized spindle cutter clamping state monitoring device

Abstract

The utility model provides a motorized spindle cutter clamping state monitoring device, which relates to the technical field of machining equipment monitoring and comprises a motorized spindle cutter main body. A tool clamping state monitoring port is formed in the lower left position of the tail end of the motorized spindle tool body, a limiting frame is fixedly installed on the outer side of the tool clamping state monitoring port, and the interior of the limiting frame is of a hollow penetrating design. The cutter clamping state monitoring port at the lower left part of the tail end of the motorized spindle cutter main body is specially used for detecting the resetting of a hydraulic cylinder for clamping and driving the motorized spindle cutter main body, so that the state information of the hydraulic cylinder can be accurately obtained in real time; information such as the cutter unloading state, the cutter pulling state and the cutter-free tensioning state of the motorized spindle cutter body is accurately transmitted to the control cabinet in real time to be monitored. The motorized spindle solves the problems that an existing motorized spindle generally adopts three detection proximity switches to monitor the cutter clamping state of the motorized spindle, and although the motorized spindle basically meets the use requirements, the monitoring reliability and redundancy are not high enough.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing equipment monitoring technology, and more specifically, it relates to a device for monitoring the clamping status of electric spindle tools. Background Technology

[0002] An electric spindle is a new technology in the field of CNC machine tools that integrates the machine tool spindle and spindle motor into one unit. It mainly consists of the spindle body and related accessories, such as the electric spindle body, high-frequency inverter, lubrication unit, cooling unit, built-in encoder, and tool clamping unit. Among these, the tool clamping unit is used frequently, and its quality directly affects the long-term stability of the electric spindle and even the safety of the machine tool. Therefore, monitoring the tool clamping status of the electric spindle is of great significance for the stable operation and safety of the machine tool.

[0003] Understanding the application of existing electric spindle tools: Electric spindles typically have three proximity switches at the rear end to detect the tool unloading, tool pulling, and tool-free tension states, respectively, to meet the requirements for monitoring the tool clamping status of electric spindles. However, while the use of three proximity switches to monitor the tool clamping status of electric spindles generally meets the requirements, the reliability and redundancy of the monitoring are not high enough. In addition, the wiring of the proximity switches is separately led out, resulting in low integration. Furthermore, the wiring is prone to loosening, which can cause the wiring to fall off and affect the monitoring of the tool clamping status of the electric spindle. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides an electric spindle tool clamping status monitoring device. This addresses the issue that existing electric spindles typically use three proximity switches to monitor the tool clamping status, which, while generally meeting the requirements, suffer from insufficient reliability and redundancy in monitoring, and the ports are prone to loosening and detachment during connection, thus affecting normal monitoring.

[0005] The technical solution adopted in this utility model is as follows:

[0006] An electric spindle tool clamping status monitoring device includes an electric spindle tool body; a tool clamping status monitoring port is provided at the lower left end of the tail of the electric spindle tool body; a limit frame is fixedly installed on the outer side of the tool clamping status monitoring port; the interior of the limit frame is a hollow through-type design, and a transmission ring is rotatably connected at the front center of the limit frame; the front end of the transmission ring has a spiral pattern, and the rear end of the transmission ring has a bevel gear structure design; the front end face of the limit frame has three sliding grooves, and the three sliding grooves of the limit frame are distributed in a Y shape; a moving block is slidably connected in each of the three sliding grooves of the limit frame; the spacing between each pair of adjacent moving blocks is the same, and an arc-shaped groove is provided at the rear end of each moving block; the tail end of the electric spindle tool body itself is designed with three proximity detection switches; the tool clamping status monitoring port adopts a twelve-pin interface design.

[0007] According to one embodiment of the present invention, the front end of the tool clamping status monitoring port is connected to the control cabinet interactive wiring, and the rear end of the control cabinet interactive wiring is located in the middle of the limit frame.

[0008] According to one embodiment of the present invention, the spiral pattern at the front end of the transmission ring engages with the arc-shaped groove at the rear end of the three moving blocks for transmission.

[0009] According to one embodiment of the present invention, a clamping plate is fixedly installed at the front end of each of the moving blocks, and the three clamping plates are arranged in a ring.

[0010] According to one embodiment of the present invention, a drive shaft is rotatably connected to the lower part of the inner side of the limiting frame. The top of the drive shaft is designed with a bevel gear structure, and the bevel gear above the drive shaft meshes with the lower rear end of the drive ring.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The tool clamping status monitoring port on the lower left of the tail end of the electric spindle tool body is specifically used to detect the reset of the hydraulic cylinder driven by the clamping of the electric spindle tool body. It can obtain the status information of the hydraulic cylinder in real time and accurately transmit information such as the tool unloading status, tool pulling status, and tool-less clamping status of the electric spindle tool body to the control cabinet for monitoring. Operators can keep track of the tool status at any time so that they can take corresponding measures as soon as abnormalities occur, optimize the processing flow, improve the overall processing efficiency and quality, and reduce accidents such as workpiece damage, equipment failure and personal injury caused by accidental tool drop.

[0013] 2. After the tool clamping status monitoring port is connected to the control cabinet's interactive wiring, a clever transmission structure design rotates the transmission shaft, causing the transmission ring to rotate. This, in turn, causes the three moving blocks to slide synchronously, reducing the distance between them, allowing the inner sides of the three clamping plates to firmly hold the control cabinet's interactive wiring. This design effectively solves the problem of wiring loosening or falling off due to vibration, displacement, or other factors during equipment operation, ensuring that the control cabinet's interactive wiring and the tool clamping status monitoring port always maintain a tight and reliable connection. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the left side of the electric spindle tool clamping status monitoring device of this utility model.

[0015] Figure 2 This is a side view of the electric spindle tool clamping status monitoring device of this utility model.

[0016] Figure 3 This is the utility model Figure 2 Schematic diagram of the locally enlarged structure at point A in the middle.

[0017] Figure 4 This is a side view diagram of the disassembled connection position of the electric spindle tool monitoring system of this utility model.

[0018] In the figure, the correspondence between the component names and the attached drawing numbers is as follows: 1. Electric spindle tool body; 101. Tool clamping status monitoring port; 2. Control cabinet interactive wiring; 3. Limit frame; 301. Transmission ring; 302. Transmission shaft; 303. Moving block; 304. Clamping plate. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The use of terms such as "a," "an," or "the" in this utility model patent application specification and claims does not indicate a quantity limitation, but rather indicates the presence of at least one. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0022] Example: As attached Figure 1 To be continued Figure 4 As shown:

[0023] This utility model provides an electric spindle tool clamping status monitoring device, including an electric spindle tool body 1; a tool clamping status monitoring port 101 is provided at the lower left end of the tail of the electric spindle tool body 1; a limit frame 3 is fixedly installed on the outer side of the tool clamping status monitoring port 101; the interior of the limit frame 3 is a hollow through-hole design, and a transmission ring 301 is rotatably connected to the front of the interior of the limit frame 3; the front end of the transmission ring 301 has a spiral pattern, and the rear end of the transmission ring 301 has a bevel gear structure design; the front of the limit frame 3... The end face is provided with three sliding grooves, and the three sliding grooves of the limit frame 3 are distributed in a Y shape. A moving block 303 is slidably connected in each of the three sliding grooves of the limit frame 3. The spacing between each pair of adjacent moving blocks 303 is the same, and an arc groove is provided at the rear end of each moving block 303. The tail end of the electric spindle tool body 1 is designed with three detection proximity switches. The tool clamping status monitoring port 101 adopts a twelve-pin interface design. The tool clamping status monitoring port 101 is used to detect the reset of the hydraulic cylinder driven by the clamping of the electric spindle tool body 1.

[0024] The tool clamping status monitoring port 101 is connected to the control cabinet interaction wiring 2 at its front end, and the control cabinet interaction wiring 2 is located at the middle of the inside of the limit frame 3 at its rear end.

[0025] The spiral pattern at the front end of the transmission ring 301 engages with the arc-shaped groove at the rear end of the three moving blocks 303. A clamping plate 304 is fixedly installed at the front end of each moving block 303. The three clamping plates 304 are arranged in a ring. A transmission shaft 302 is rotatably connected to the lower part of the inner side of the limiting frame 3. The top of the transmission shaft 302 is designed with a bevel gear structure, and the bevel gear on the top of the transmission shaft 302 engages with the lower rear end of the transmission ring 301.

[0026] In actual operation, the standard installation procedure must be strictly followed. The electric spindle tool body 1 should be installed securely in the corresponding working position. The entire installation process must be rigorous and meticulous to ensure that there will be no loosening, displacement or other abnormalities during subsequent operation. Next, the tool clamping status monitoring port 101 should be connected accurately to the control cabinet interaction wiring 2 of the control cabinet. This establishes a bridge for information exchange, enabling real-time data communication between the electric spindle tool body 1 and the control cabinet. This ensures that key information such as tool unloading status, tool pulling status, and tool-less clamping status can be transmitted to the control cabinet in a timely and accurate manner so that the operator can monitor it in real time.

[0027] After the tool clamping status monitoring port 101 is successfully connected to the control cabinet interactive wiring 2, in order to effectively prevent the tool clamping status monitoring from being adversely affected by loose or detached wiring, the operator needs to manually rotate the transmission shaft 302. Since the bevel gear structure at the top of the transmission shaft 302 is precisely meshed with the lower rear end of the transmission ring 301, once the transmission shaft 302 is rotated, it will drive the transmission ring 301 to rotate accordingly. The rotation of the transmission ring 301 will drive its front spiral groove to tightly mesh with the arc groove at the rear end of the three moving blocks 303, causing the three moving blocks 303 to slide synchronously and orderly in the sliding groove of the limit frame 3, with the spacing gradually decreasing until the inner side of the three clamping plates 304 is firmly attached to the outer surface of the control cabinet interactive wiring 2, firmly fixing the wiring and ensuring that the entire monitoring device can operate stably and reliably, providing a solid guarantee for machine tool processing.

[0028] Although this application has been described with reference to the foregoing embodiments, those skilled in the art will understand that various changes can be made without departing from the spirit and scope of this application as defined by the appended claims. While this specification contains details of many specific implementations, these should not be construed as limiting the scope of the claims, but rather as descriptions of features specific to particular embodiments. The scope of this application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. An electric spindle tool clamping status monitoring device, characterized in that: The device includes an electric spindle tool body (1); a tool clamping status monitoring port (101) is provided at the lower left end of the tail end of the electric spindle tool body (1), and a limit frame (3) is fixedly installed on the outer side of the tool clamping status monitoring port (101). The limit frame (3) has a hollow through-hole design inside, and a transmission ring (301) is rotatably connected to the front of the inside of the limit frame (3). The front end of the transmission ring (301) has a spiral pattern, and the rear end of the transmission ring (301) has a bevel tooth. The wheel structure design has three sliding grooves on the front end face of the limit frame (3), and the three sliding grooves of the limit frame (3) are distributed in a Y shape. A moving block (303) is slidably connected in each of the three sliding grooves of the limit frame (3). The spacing between each pair of adjacent moving blocks (303) is the same, and an arc groove is provided at the rear end of each moving block (303). The tail end of the electric spindle tool body (1) is designed with three detection proximity switches. The tool clamping status monitoring port (101) adopts a twelve-pin interface design.

2. The electric spindle tool clamping status monitoring device as described in claim 1, characterized in that: The front end of the tool clamping status monitoring port (101) is connected to the control cabinet interactive wiring (2), and the rear end of the control cabinet interactive wiring (2) is located in the middle of the limit frame (3).

3. The electric spindle tool clamping status monitoring device as described in claim 1, characterized in that: The spiral pattern at the front end of the transmission ring (301) engages with the arc-shaped groove at the rear end of the three moving blocks (303) for transmission.

4. The electric spindle tool clamping status monitoring device as described in claim 3, characterized in that: Each of the moving blocks (303) has a clamp (304) fixedly installed at its front end, and the three clamps (304) are arranged in a ring.

5. The electric spindle tool clamping status monitoring device as described in claim 1, characterized in that: The lower part of the limiting frame (3) is rotatably connected to the drive shaft (302). The top of the drive shaft (302) is designed with a bevel gear structure, and the bevel gear on the top of the drive shaft (302) meshes with the lower part of the drive ring (301).

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