Cutter center hole grinding machine

Abstract

The utility model belongs to the technical field of machining equipment, and particularly relates to a cutter center hole grinding machine which comprises a machine frame, a feeding system, a first main shaft station, a second main shaft station and a main control system. The feeding system comprises a three-axis servo module, the three-axis servo module comprises an X-axis linear module, a Y-axis linear module and a Z-axis linear module, the Z-axis linear module is provided with a power head, and the power head is used for installing a grinding head or a centering rod; the first main shaft station and the second main shaft station are respectively used for mounting BT40 and BT50 cutters or cutter handles to be repaired; the main control system is used for controlling the speed of the feeding system, the rotating speed of the power head and the grinding depth; the problems that when a center hole is ground, operation is troublesome, working efficiency is low, and the center hole grinding machine is poor in compatibility and practicability are solved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing equipment technology, and specifically relates to a tool center hole grinding machine. Background Technology

[0002] Cutting tools are indispensable in mechanical manufacturing processes, and their quality and lifespan directly affect production efficiency and quality. During use, cutting tools inevitably experience wear, damage, or misalignment of the center hole, making tool rework an unavoidable and crucial step in production. For cutting tools with misaligned center holes, rework can begin by grinding and repairing the center hole to reduce runout and improve machining accuracy. Tool center hole grinding machines, as high-precision equipment for repairing and machining tool center holes, can effectively fix misalignment and wear issues, ensuring tool accuracy and lifespan. However, existing center hole grinding machines are complex to operate, have low efficiency, and poor compatibility, typically only capable of grinding one type of tool, resulting in limited practicality. Utility Model Content

[0003] The purpose of this invention is to address the problems existing in the prior art by providing a tool center hole grinding machine.

[0004] This utility model provides the following technical solution:

[0005] A tool center hole grinding machine includes a frame and a feed system, a first spindle station, a second spindle station, and a main control system mounted on the frame. The feed system includes a three-axis servo module, which includes an X-axis linear module, a Y-axis linear module, and a Z-axis linear module. The Z-axis linear module is equipped with a power head for mounting a grinding head or a centering bar. The first and second spindle stations are used to mount BT40 and BT50 tools or tool holders to be repaired, respectively. The main control system is used to control the speed of the feed system, the rotational speed of the power head, and the grinding depth.

[0006] Furthermore, the first spindle station includes a first motor and a first mounting shaft and a first tool holder arranged coaxially, the first mounting shaft and the first tool holder cooperating to fix the tool or tool holder of BT40 to be repaired; the second spindle station includes a second motor and a second mounting shaft and a second tool holder arranged coaxially, the second mounting shaft and the second tool holder cooperating to fix the tool or tool holder of BT50 to be repaired; both the first motor and the second motor drive the first mounting shaft and the second mounting shaft to rotate through a transmission mechanism.

[0007] Furthermore, the transmission mechanism includes a driving wheel, a driven wheel, and a transmission belt. The driving wheel is fixed to the output end of the first motor or the second motor, the driven wheel is fixed to the first mounting shaft or the second mounting shaft, and the transmission belt meshes with the corresponding driving wheel and driven wheel.

[0008] Furthermore, the power head includes a clamping component, a drive motor, and a control component. The clamping component is used to clamp the grinding head or the centering rod, the drive motor is used to drive the grinding head to rotate, and the control component is electrically connected to the main control system. The control component is used to monitor and adjust various parameters during the grinding process.

[0009] Furthermore, the main control system includes a touch screen for setting and displaying grinding parameters; the feed system includes a handwheel pulse generator for driving the Z-axis linear module to move the power head in the Z-axis direction.

[0010] Compared with the prior art, the present invention has the following beneficial technical effects:

[0011] 1. This utility model, by setting up a main control system, can realize the automated operation of tool grinding and real-time monitoring of the grinding process. It is simple to operate, highly efficient, and can quickly complete the grinding and repair work of the center hole of the tool or tool holder.

[0012] 2. By setting up a first spindle station and a second spindle station, this utility model can be compatible with different specifications of cutting tools or tool holders, and realize the center hole grinding operation of BT40 and BT50 cutting tools or tool holders, which has good practicality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a partial structural schematic diagram of the present invention.

[0015] In the diagram: Frame 1, Three-axis servo module 2, X-axis linear module 21, Y-axis linear module 22, Z-axis linear module 23, Power head 24, Handwheel pulse generator 25, First spindle station 3, First spindle motor 31, First mounting axis 32, First tool-changing cylinder 33, Second spindle station 4, Second spindle motor 41, Second mounting axis 42, Second tool-changing cylinder 43, Transmission mechanism 5, Drive wheel 51, Driven wheel 52, Transmission belt 53, Touch screen 6. Detailed Implementation

[0016] The following detailed description illustrates the specific implementation method:

[0017] Example

[0018] like Figure 1 As shown, a tool center hole grinding machine includes a frame 1 and a feed system, a first spindle station 3, a second spindle station 4 and a main control system disposed on the frame 1; the frame 1 includes an upper frame 1 and a lower frame 1 from top to bottom.

[0019] like Figure 1-2 As shown, the feeding system includes a three-axis servo module 2 fixed on the upper frame 1. The three-axis servo module 2 includes an X-axis linear module 21, a Y-axis linear module 22, a Z-axis linear module 23, and a handwheel pulse generator 25. A power head 24 is mounted on the Z-axis linear module 23. The power head 24 includes a clamping component, a drive motor, and a control component. The clamping component is used to clamp the grinding head or centering bar, the drive motor is used to drive the grinding head to rotate, and the control component is electrically connected to the main control system. The control component works with the main control system to monitor and adjust various parameters during the grinding process. The handwheel pulse generator 25 is fixed on the lower frame 1 and is electrically connected to the servo motor of the Z-axis linear module 23. The handwheel pulse generator 25 can drive the servo motor of the Z-axis linear module 23, causing the power head 24 to move in the Z-axis direction.

[0020] like Figure 2 As shown, the first spindle station 3 and the second spindle station 4 are used to install the BT40 and BT50 tools or tool holders to be repaired, respectively. The first spindle station 3 includes a first motor fixed to the lower frame 1 and a first mounting shaft 32 and a first tool holder cylinder 33 arranged coaxially. The first mounting shaft 32 and the first tool holder cylinder 33 cooperate to fix the BT40 tool or tool holder to be repaired. The second spindle station 4 includes a second motor fixed to the lower frame 1 and a second mounting shaft 42 and a second tool holder cylinder 43 arranged coaxially. The second mounting shaft 42 and the second tool holder cylinder 43 cooperate to fix the BT50 tool or tool holder to be repaired. The first motor and the second motor drive the first mounting shaft 32 and the second mounting shaft 42 to rotate through the transmission mechanism 5. The transmission mechanism 5 includes a drive wheel 51, a driven wheel 52 and a transmission belt 53. The drive wheel 51 is fixed to the output end of the first motor or the second motor, the driven wheel 52 is fixed to the first mounting shaft 32 or the second mounting shaft 42, and the transmission belt 53 meshes with the drive wheel 51 and the driven wheel 52 at the corresponding positions. By setting up the first spindle station 3 and the second spindle station 4, it can be compatible with different specifications of cutting tools or tool holders, and realize the center hole grinding operation of BT40 and BT50 cutting tools or tool holders, which has good practicality.

[0021] like Figure 1 As shown, the main control system is electrically connected to the servo motor of the three-axis servo motor, the drive motor of the power head 24, the first motor, and the second motor. The main control system includes a touch screen 6 installed on the upper frame 1. The grinding parameters can be set and displayed through the touch screen 6. The grinding parameters include the speed of the feed system, the rotation speed of the power head 24, and the grinding depth.

[0022] By setting up a main control system, the tool grinding process can be automated and monitored in real time. It is simple to operate, highly efficient, and can quickly complete the grinding and repair of the center hole of the tool or tool holder.

[0023] This embodiment takes the grinding and repair of BT40 specification cutting tools or tool holders as an example, and the specific implementation is as follows:

[0024] After cleaning, the tool or tool holder is clamped on the first mounting spindle, and the tool holder and tool are locked together using a special wrench. The centering bar is clamped on the power head 24, and the three-axis servo module 2 is controlled by the handwheel pulse generator 25 to move the power head 24 on the X, Y, and Z axes until the center point of the tool or tool holder is found. The centering bar is replaced with a grinding head, and the rework area is colored with a marker. After setting the grinding parameters through the touch screen 6, the first motor and drive motor are started to rotate the tool or tool holder and grinding head. The grinding bar is controlled by the handwheel pulse generator 25 to slowly move downwards along the Z axis towards the center hole area of ​​the tool or tool holder to grind and repair the center hole. During the grinding process, the machine is stopped at any time for inspection until the processing requirements are met. Then, the first motor and drive motor are turned off, the tool or tool holder is removed from the first mounting spindle, and the tool is manually checked again to see if it meets the requirements.

[0025] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A tool center hole grinder characterized by: The machine frame (1) and the feeding system, the first spindle station (3), the second spindle station (4) and the main control system arranged on the machine frame (1) are included; the feeding system includes a three-axis servo module (2), the three-axis servo module (2) includes an X-axis linear module (21), a Y-axis linear module (22) and a Z-axis linear module (23), a power head (24) is arranged on the Z-axis linear module (23), and the power head (24) is used for mounting a grinding head or a centering rod; the first spindle station (3) and the second spindle station (4) are respectively used for mounting BT40 and BT50 to-be-repaired cutters or shanks; the main control system is used for controlling the speed of the feeding system, the rotating speed of the power head (24) and the grinding depth.

2. The tool center hole grinder of claim 1, wherein: The first spindle station (3) includes a first motor, a first mounting shaft (32) and a first cutter cylinder (33) arranged coaxially, the first mounting shaft (32) and the first cutter cylinder (33) can cooperate to fix the BT40 to-be-repaired cutter or shank; the second spindle station (4) includes a second motor, a second mounting shaft (42) and a second cutter cylinder (43) arranged coaxially, the second mounting shaft (42) and the second cutter cylinder (43) can cooperate to fix the BT50 to-be-repaired cutter or shank; the first motor and the second motor drive the first mounting shaft (32) and the second mounting shaft (42) to rotate through a transmission mechanism (5).

3. The tool center hole grinder of claim 2, wherein: The transmission mechanism (5) includes a driving wheel (51), a driven wheel (52) and a transmission belt (53), the driving wheel (51) is fixed on the output end of the first motor or the second motor, the driven wheel (52) is fixed on the first mounting shaft (32) or the second mounting shaft (42), and the transmission belt (53) is engaged with the corresponding driving wheel (51) and driven wheel (52).

4. The machine according to any of claims 1-3, characterized in that: The power head (24) includes a clamping piece, a driving motor and a control assembly, the clamping piece is used for clamping the grinding head or the centering rod, the driving motor is used for driving the grinding head to rotate, and the control assembly is electrically connected with the main control system and is used for monitoring and adjusting various parameters in the grinding process.

5. The machine of claim 4 wherein: The main control system includes a touch screen (6) used for setting and displaying grinding parameters; the feeding system includes a hand wheel pulse generator (25) used for driving the Z-axis linear module (23) to move the power head (24) in the Z-axis direction.

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