Vertical tool changer and machine tool

Abstract

A cam speed reducer is fixedly installed on a base, an output shaft of the cam speed reducer is connected with one end of a rotating shaft, the rotating shaft is longitudinally arranged, a horizontally-arranged cutter head is installed at the other end of the rotating shaft, a plurality of cutter clamps are evenly installed on the periphery of the cutter head, and a plurality of cutter stations are arranged on the periphery of the rotating shaft. Wherein one tool station is a tool changing station, the positions of the tool clamps correspond to the positions of the tool stations in a one-to-one mode, a sensor used for identifying whether a tool bar exists or not is further installed at the position, above the cam speed reducer, of the tool changing station, and the sensor is connected with the cam speed reducer through a speed reducer controller. According to the vertical tool changing device, the occupied space is small, and a tool arm does not need to be changed; the tool can be horizontally placed and installed, the accuracy is guaranteed, meanwhile, the moment of force of a tool changing arm does not need to be considered, the tool can be directly changed, the stroke is saved, the space is greatly saved, a machine tool is more concise and attractive, the structure is simple, and clamping is in place at a time.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool accessories, and more specifically, to a vertical tool changing device and a machine tool. Background Art

[0002] The horizontal tool changer takes up a large space and requires a tool changer arm. The tool should not be too heavy, otherwise the torque of the tool changer arm will be insufficient, reducing maneuverability and increasing instability. Utility Model Content

[0003] The purpose of the utility model is to provide a vertical tool changing device and a machine tool which can occupy a small space and does not require a tool changing arm.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is as follows: a vertical tool changing device, comprising a base, a cam reducer, a rotating shaft, a tool disc and a tool holder;

[0005] The cam reducer is fixedly mounted on the base, the output shaft of the cam reducer is connected to one end of the rotating shaft, the rotating shaft is longitudinally arranged, and a horizontally arranged cutter disc is installed at the other end of the rotating shaft, and a plurality of tool clamps are evenly installed around the cutter disc. There are a plurality of tool stations around the rotating shaft, one of which is a tool changing station, and the position of the tool clamp corresponds one-to-one to the position of the tool station. A sensor for identifying whether there is a tool rod is also installed at the tool changing station above the cam reducer, and the sensor is connected to the cam reducer through a reducer controller.

[0006] Optionally, one end of the tool holder has a first mounting portion, the first mounting portion is connected to the tool disc, and the other end of the tool holder has an opening, and the middle of the opening has a raised positioning portion capable of positioning the tool rod.

[0007] Optionally, the opening has a U-shaped cross section, and the raised positioning portion is continuously arranged along the middle portion of the side surface of the opening.

[0008] Optionally, spring-type ball devices are further provided in the middle of both sides of the opening.

[0009] Optionally, the cam reducer includes a motor, a housing, a worm and a turbine, the worm and the turbine are both rotatably installed in the housing, the output shaft of the motor is connected to one end of the worm, the worm and the turbine are engaged with each other, and the output end of the turbine is connected to one end of the rotating shaft.

[0010] Optionally, an inverted conical flange is installed at the other end of the rotating shaft, the cutter disc is installed on the flange, and the turbine, rotating shaft, flange and cutter disc are coaxially arranged.

[0011] Optionally, there are reinforcing ribs below the cutter disc at each of the tool changing stations.

[0012] Optionally, an identification block is further installed above the cutter disc, the cross section of the identification block is a polyhedron structure, and each side surface of the identification block corresponds to one of the tool changing stations.

[0013] Optionally, tool number marks are also sequentially provided on the side surfaces of the identification block.

[0014] Optionally, a sensor mounting plate is installed above the cam reducer, the sensor is mounted on the sensor mounting plate, and the sensor is aligned with the tool changing station.

[0015] The present disclosure further provides a machine tool, comprising the above-mentioned vertical tool changing device, wherein the vertical tool changing device is arranged on a side of a machining area of ​​the machine tool.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] The disclosed vertical tool changer takes up little space and does not require a tool changer arm. Tools can be installed horizontally, ensuring accuracy while eliminating the need to consider the "torque of the tool changer arm." Tools can be changed directly, saving travel and significantly saving space, making the machine tool more concise and aesthetically pleasing. Furthermore, the device features a simple structure and allows for single-step clamping. The vertical tool changer can be customized to meet customer needs, and the sizes of adjacent tools can be customized. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 is a three-dimensional diagram of the vertical tool changing device disclosed herein;

[0020] Figure 2 is a top view of the vertical tool changing device disclosed herein;

[0021] Figure 3 is a partial cross-sectional view of the vertical tool changing device disclosed herein;

[0022] Figure 4 It is a side view of the vertical tool changing device disclosed in the present invention. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0024] See Figure 1 、 Figure 2 As shown, the utility model provides a vertical tool changing device, comprising a base 1, a cam reducer 2, a rotating shaft 3, a tool disc 4 and a tool holder 5;

[0025] The cam reducer 2 is fixedly mounted on the base 1. The reducer's power can be an electric motor or a motor. The output shaft of the cam reducer 2 is connected to one end of the rotating shaft 3, driving the rotating shaft 3 to rotate. The rotating shaft 3 is arranged longitudinally. The other end of the rotating shaft 3 is mounted with a horizontally arranged cutterhead 4, driving the cutterhead 4 to rotate. The cutterhead 4 is evenly mounted with multiple tool holders 5 around the cutterhead 4. The tool holders 5 are used to clamp the tool bar 7. The rotating shaft 3 is surrounded by multiple tool stations, one of which is a tool changing station. The tool bar 7 at the tool changing station can be used for tool changing in the machine tool. The tool bar 7 at the tool changing station is kept as a spare. The positions of the tool holders 5 correspond to the positions of the tool stations. A sensor 6 is also installed at the tool changing station above the cam reducer 2 to detect the presence of the tool bar 7. The sensor 6 is connected to the cam reducer 2 via the reducer controller. The cam reducer 2 preferably adopts an indexing drive, so that it only stops at a few tool changing stations during one rotation. The sensor 6 is used to detect whether the tool bar 7 has moved into position.

[0026] During specific use, the information of the required tool arbor 7 is obtained, and then the corresponding tool arbor 7 is rotated from the tool station to the tool changing station through the cam reducer 2, and the sensor 6 is used to detect whether the arbor 7 is rotated into place. The head of the machine tool moves to the tool changing station, and the head moves downward to be installed with the arbor 7.

[0027] In another embodiment, one end of the tool clamp 5 has a first mounting portion 51, and the first mounting portion 51 is connected to the tool disc 4, and the connection method can be screw or bolt connection. The other end of the tool clamp 5 has an opening 52 for clamping the tool rod 7, and the middle part of the opening 52 has a raised positioning portion 53 that can position the tool rod 7. When the tool rod 7 is installed in the tool clamp 5, the raised positioning portion 53 limits the tool rod 7 from moving up and down, but can be moved horizontally away from the opening 52, so that the machine tool tool head can be inserted into the tool rod 7 mounting portion from top to bottom, and then the tool rod 7 can be moved horizontally out of the tool clamp 5.

[0028] The cross-section of the opening 52 is U-shaped, and the raised positioning portion 53 is continuously arranged along the middle part of the side surface of the opening 52. In order to prevent the machine tool from being unable to send the tool rod 7 into the opening 52 and into position, the tool rod 7 can also be clamped on the raised positioning portion 53. A spring-loaded ball device is also provided in the middle part of both sides of the opening 52, which is opened under force to effectively clamp the tool.

[0029] See Figure 3 、 Figure 4 As shown, the cam reducer 2 comprises a motor 21, a housing 22, a worm 23, and a turbine 24. Both the worm 23 and the turbine 24 are rotatably mounted within the housing 22. The output shaft of the motor 21 is connected to one end of the worm 23, which engages the turbine 24. The output end of the turbine 24 is connected to one end of the rotating shaft 3. The motor 21 is controlled by a reducer controller. Rotation of the motor 21 drives the worm 23, which in turn drives the turbine 24, ultimately driving the rotating shaft 3. An inverted conical flange 8 is mounted on the other end of the rotating shaft 3. This flange 8 serves as a transition from the smaller diameter of the rotating shaft 3 to the larger diameter flange 8. The cutterhead 4 is mounted on this flange 8. The turbine 24, rotating shaft 3, flange 8, and cutterhead 4 are coaxially arranged. Reinforcing ribs 41 are located beneath the cutterhead 4 at each tool changing station. These ribs 41 enhance the strength of the stress-bearing area while reducing the thickness of the flange 8 to reduce weight.

[0030] In another embodiment, an identification block 9 is mounted above the cutterhead 4. The cross-section of the identification block 9 is a polyhedron, and each side of the identification block 9 corresponds to a tool changing station. Tool number markings are also placed on the sides of the identification block, making it easier for personnel to quickly identify tool positions and record tool locations.

[0031] A sensor mounting plate 61 is installed above the cam reducer 2 , and the sensor 6 is installed on the sensor mounting plate 61 . The sensor 6 is aligned with the tool changing station for easy installation.

[0032] The present disclosure also provides a machine tool, comprising the above-mentioned vertical tool changing device, wherein the vertical tool changing device is arranged on the side of the machine tool processing area, and the tool fixture on the machine tool can be conveniently moved to the side of the machine tool processing area to replace the tool.

[0033] The disclosed vertical tool changer takes up minimal space and eliminates the need for a tool changer arm. Tools can be mounted horizontally, ensuring precision while eliminating the need to consider tool changer arm torque. Tools can be changed directly, saving travel and significantly saving space, making the machine tool more compact and aesthetically pleasing. Its simple structure allows for single-step clamping. The vertical tool changer can be customized to meet customer needs, and the size of adjacent tools can be customized. A hydraulic tool changer can also be added to ensure greater stability and precision.

[0034] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, the patent owner may make various variations or modifications within the scope of the appended claims. As long as they do not exceed the scope of protection described by the claims of the present invention, they should be within the scope of protection of the present invention.

Claims

1. A vertical tool changing device, characterized in that: Includes base, cam reducer, rotating shaft, cutter disc and tool holder; The cam reducer is fixedly mounted on the base, the output shaft of the cam reducer is connected to one end of the rotating shaft, the rotating shaft is longitudinally arranged, and a horizontally arranged cutter disc is installed at the other end of the rotating shaft, and a plurality of tool clamps are evenly installed around the cutter disc. There are a plurality of tool stations around the rotating shaft, one of which is a tool changing station, and the position of the tool clamp corresponds one-to-one to the position of the tool station. A sensor for identifying whether there is a tool rod is also installed at the tool changing station above the cam reducer, and the sensor is connected to the cam reducer through a reducer controller.

2. The vertical tool changing device according to claim 1, characterized in that: One end of the tool holder has a first mounting portion, which is connected to the tool disc. The other end of the tool holder has an opening, and the middle of the opening has a protruding positioning portion that can position the tool rod.

3. The vertical tool changing device according to claim 2, characterized in that: The cross section of the opening is U-shaped, and the raised positioning portion is continuously arranged along the middle portion of the side surface of the opening.

4. The vertical tool changing device according to claim 2, characterized in that: Spring-type ball devices are also provided in the middle of both sides of the opening.

5. The vertical tool changing device according to claim 1, characterized in that: The cam reducer includes a motor, a housing, a worm and a turbine. The worm and the turbine are both rotatably installed in the housing. The output shaft of the motor is connected to one end of the worm. The worm and the turbine are engaged with each other, and the output end of the turbine is connected to one end of the rotating shaft.

6. The vertical tool changing device according to claim 5, characterized in that: An inverted conical flange is installed at the other end of the rotating shaft, and the cutter disc is installed on the flange. The turbine, rotating shaft, flange and cutter disc are coaxially arranged.

7. The vertical tool changing device according to claim 6, characterized in that: A reinforcing rib is provided below the cutter disc at each of the tool changing stations.

8. The vertical tool changing device according to claim 6, characterized in that: An identification block is also installed above the cutter disc. The cross section of the identification block is a polyhedron structure, and each side surface of the identification block corresponds to one of the tool changing stations.

9. The vertical tool changing device according to claim 1, characterized in that: A sensor mounting plate is installed above the cam reducer, the sensor is installed on the sensor mounting plate, and the sensor is aligned with the tool changing station.

10. A machine tool, characterized in that: It comprises the vertical tool changing device according to any one of claims 1 to 9, wherein the vertical tool changing device is arranged on the side of the machine tool processing area.

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