Multi-tool-bit combined mechanism for cutting and grinding castings

Abstract

The utility model discloses a multi-tool-bit combined mechanism for cutting and grinding castings, which relates to the technical field of casting cutting and grinding mechanisms and comprises a mounting shell and a shaft A. The shaft A is connected to the top end of the mounting shell. The tool assembly comprises a cutting tool and a polishing tool; the cutting tool and the polishing tool are rotationally mounted on the outer side wall of the mounting shell; a driving motor; the driving motor is mounted on the mounting shell; the transmission assembly comprises a speed reducer, an electromagnetic clutch I and an electromagnetic clutch II which are arranged in the mounting shell; an output shaft of the driving motor is in transmission connection with an input shaft of the reducer; one end of the electromagnetic clutch I is in transmission connection with an output shaft I of the speed reducer; and one end of the electromagnetic clutch II is in transmission connection with the output shaft II of the speed reducer. The structure of the multi-tool-bit combined robot can be simplified, the size and the weight of the tool bit mounting part are reduced, and the load of the A-axis overhanging arm is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry cut grinding mechanism technical field, especially a kind of multi-tool head combination mechanism for foundry cut grinding. BACKGROUND

[0002] At present, the market for the cutting, grinding and other subsequent processing methods of casting gradually towards automation, multi-dimension, precision, high rigidity development direction, to replace traditional manual cut grinding, machine tool cut grinding and other time-consuming and labor-consuming, low-efficiency cut grinding mode, improve production safety while reducing production cost, improve production efficiency. The existing cut grinding robot on the market mainly includes robot in the form of mechanical arm and multi-tool head combination robot.

[0003] Although the robot in the form of mechanical arm is high in flexibility and precision, it is poor in rigidity and cannot cut and grind medium and large castings. Moreover, the robot in the form of mechanical arm is mostly single-tool head, which needs to be frequently switched according to different requirements, affecting work efficiency. Although the multi-tool head combination robot solves the problems of poor rigidity and complicated tool switching of the robot in the form of mechanical arm, since the multi-tool and driving motor are integrated on the A shaft, the load of the A shaft is too large, which has high requirements on the mechanical structure and material of the cantilever arm to resist the large load borne by the A shaft and cantilever arm. At the same time, since the multi-tool needs to be equipped with multiple driving motors, the multi-tool head robot has problems of high cost, large volume of tool mounting part and high maintenance difficulty, which is difficult to be accepted by most users.

[0004] Therefore, how to provide a multi-tool head combination mechanism for foundry cut grinding, which can simplify the structure of the multi-tool head combination robot, reduce the volume and weight of the tool mounting part and reduce the load of the A shaft cantilever arm is a problem to be solved by those skilled in the art. INVENTION CONTENTS

[0005] Therefore, the utility model provides a multi-tool head combination mechanism for foundry cut grinding, which aims to solve the technical problem of high load of A shaft cantilever arm caused by large volume and weight of tool mounting part of the traditional foundry cut grinding device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a multi-tool head combination mechanism for foundry cut grinding, which comprises:

[0008] a mounting shell,

[0009] an A shaft connected to the top end of the mounting shell;

[0010] a tool assembly comprising a cutting tool and a grinding tool; the cutting tool and the grinding tool are both rotationally installed on the outer side wall of the mounting shell;

[0011] a driving motor, the driving motor is installed on the mounting shell;

[0012] a transmission assembly, the transmission assembly comprises a speed reducer, an electromagnetic clutch one and an electromagnetic clutch two arranged inside the mounting shell; an output shaft of the driving motor is in transmission connection with an input shaft of the speed reducer; one end of the electromagnetic clutch one is in transmission connection with an output shaft one of the speed reducer, and the other end is in transmission connection with the cutting tool; one end of the electromagnetic clutch two is in transmission connection with an output shaft two of the speed reducer, and the other end is in transmission connection with the polishing tool.

[0013] The multi-tool-head combined mechanism of the utility model uses the mounting shell as a tool-head mounting part, and the A shaft is used for connecting the rotating shaft of the rotating motor; under the driving of the rotating motor, the A shaft drives the mounting shell to perform rotary motion as a whole. The driving motor is connected with the input shaft of the speed reducer to input torque; the output shaft one of the speed reducer outputs torque and can drive the cutting tool to rotate through the electromagnetic clutch one to perform cutting; the output shaft two of the speed reducer outputs torque and can drive the polishing tool to rotate through the electromagnetic clutch two to perform polishing; the working states of the cutting tool and the polishing tool can be controlled by controlling the clutching states of the electromagnetic clutch one and the electromagnetic clutch two. The utility model only sets one driving motor to realize the driving and on-off control of two tools, greatly simplifies the structure of the multi-tool-head combined robot, reduces the volume and weight of the tool-head mounting part, and significantly reduces the load of the A shaft overhanging arm.

[0014] As a further improvement of the above technical solution, the tool assembly further comprises a grinding head assembly; the grinding head assembly is installed on the side wall of the mounting shell.

[0015] As a further improvement of the above technical solution, the mounting shell has a first mounting side wall, a second mounting side wall, a third mounting side wall and a fourth mounting side wall; the driving motor is installed on the outer side of the first mounting side wall, and the cutting tool is rotatably installed on the outer side of the second mounting side wall; the grinding head assembly is installed on the outer side of the third mounting side wall, and the polishing tool is rotatably installed on the outer side of the fourth mounting side wall.

[0016] The above technical solution has the beneficial effects that the driving motor, the cutting tool, the polishing tool and the grinding head assembly are distributed on the four outer wall surfaces of the mounting shell, the separation of the multi-tool heads in space is realized, and the cutting tool and the polishing tool do not interfere with each other during work.

[0017] As a further improvement of the above technical solution, the first mounting side wall and the third mounting side wall are arranged opposite to each other; and the second mounting side wall and the fourth mounting side wall are arranged opposite to each other.

[0018] The beneficial effects of the above technical solution are: the driving motor and the grinding head assembly are symmetrically distributed on the opposite two outer side walls of the mounting shell, and the cutting tool and the grinding tool are symmetrically arranged on the other opposite two outer side walls of the mounting shell, so that the A shaft force is more balanced.

[0019] As a further improvement of the above technical solution, the speed reducer is a right-angle speed reducer.

[0020] The beneficial effects of the above technical solution are: the speed reducer is a right-angle speed reducer, which can adapt to the spatial layout of the cutting tool, the grinding tool and the driving motor.

[0021] As a further improvement of the above technical solution, the grinding head assembly includes a grinding head mounting frame, a grinding head motor and a grinding head; one end of the grinding head mounting frame is vertically fixed on the third mounting side wall; the grinding head motor is installed on the grinding head mounting frame; and the grinding head is installed on the rotating shaft of the grinding head motor.

[0022] The beneficial effects of the above technical solution are: the grinding head mounting frame is used to space the grinding head motor away from the mounting shell to avoid the cutting tool and the grinding tool, and the grinding head motor is used to drive the grinding head to rotate for grinding.

[0023] As a further improvement of the above technical solution, the transmission assembly further includes a transmission shaft one and a transmission shaft two; the transmission shaft one penetrates through and is rotationally connected to the second mounting side wall, one end of the transmission shaft one is transmissionally connected to the other end of the electromagnetic clutch one, and the other end of the transmission shaft one is transmissionally connected to the cutting tool; the transmission shaft two penetrates through and is rotationally connected to the fourth mounting side wall, one end of the transmission shaft two is transmissionally connected to the other end of the electromagnetic clutch two, and the other end of the transmission shaft two is transmissionally connected to the grinding tool.

[0024] The beneficial effects of the above technical solution are: the cutting tool is rotationally connected to the second mounting side wall of the mounting shell through the transmission shaft one, and the grinding tool is rotationally connected to the fourth mounting side wall of the mounting shell through the transmission shaft two; and the output shaft of the speed reducer, the transmission shaft one and the transmission shaft two are jointly supported and installed inside the mounting shell.

[0025] As a further improvement of the above technical solution, the cutting tool is a disc-shaped cutting tool head arranged parallel to the outer side surface of the second mounting side wall; and the grinding tool is a grinding wheel arranged parallel to the outer side surface of the fourth mounting side wall.

[0026] According to the above technical solution, compared with the prior art, the utility model discloses a multi-tool head combined mechanism for casting cutting and grinding, which has the following advantages and beneficial effects:

[0027] 1. The utility model discloses a three -dimensional polishing, cutting of casting is realized on the basis, the mode of " one motor drive one cutter head " of conventional multi -cutter head polishing robot is improved, and one motor provides power for two cutter heads through double -output right angle speed reducer, and the electromagnetic clutch is added between every output shaft of right angle speed reducer and cutter, and the on -off electricity is controlled to the electromagnetic clutch's separation, engagement state, and then realizes that single motor drives the specified single cutter head among multiple cutter heads.

[0028] 2. The utility model discloses reduce the demand of multi -cutter head combination robot to the number of motor, reduce the weight and the volume of cutter head mounting portion, thereby reduce the load of A axle, and simultaneously, still save the equipment cost, simplify the later maintenance difficulty. ACCURACY OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing make a simple introduction, obviously, the drawing in the following description only is the embodiment of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to the provided drawing.

[0030] Figure 1 The utility model discloses a kind of multi-cutter head combination mechanism for casting cutting and grinding overall structure three-dimensional schematic view;

[0031] Figure 2 The utility model discloses a kind of transmission assembly structure three-dimensional schematic view of multi-cutter head combination mechanism for casting cutting and grinding;

[0032] In the drawing: 1, installation shell;11, first installation side wall;12, second installation side wall;13, third installation side wall;14, fourth installation side wall;2, A axle;3, cutter assembly;31, cutting cutter;32, polishing cutter;33, grinding head assembly;331, grinding head mounting rack;332, grinding head motor;333, grinding head;4, driving motor;5, transmission assembly;51, speed reducer;511, input shaft;512, output shaft one;513, output shaft two;52, electromagnetic clutch one;53, electromagnetic clutch two;54, transmission shaft one;55, transmission shaft two. DETAILED DESCRIPTION

[0033] The embodiments of the utility model are described in detail below, the example of the embodiment is shown in the drawing, wherein the same or similar reference signs indicate the same or similar elements or elements with the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0034] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] According to the embodiments of this utility model, such as Figure 1 and Figure 2 As shown, a multi-blade assembly mechanism for cutting and grinding castings includes:

[0038] Mounting case 1,

[0039] A-axis 2 is fixedly installed on the top of the mounting housing 1;

[0040] The tool assembly 3 includes a cutting tool 31 and a grinding tool 32; both the cutting tool 31 and the grinding tool 32 are rotatably mounted on the outer side wall of the mounting housing 1.

[0041] Drive motor 4; Drive motor 4 is mounted on mounting housing 1;

[0042] The transmission assembly 5 comprises a speed reducer 51, an electromagnetic clutch one 52 and an electromagnetic clutch two 53 arranged inside the mounting shell 1; the output shaft of the driving motor 4 is coaxially connected to the input shaft 511 of the speed reducer 51 through a shaft coupling; one end of the electromagnetic clutch one 52 is transmissionally connected to the output shaft one 512 of the speed reducer 51, and the other end is transmissionally connected to the cutting tool 31; one end of the electromagnetic clutch two 53 is transmissionally connected to the output shaft two 513 of the speed reducer 51, and the other end is transmissionally connected to the polishing tool 32.

[0043] When the multi-tool head combination mechanism of the embodiment is used, the mounting shell 1 serves as a tool head mounting part, and the A shaft 2 is used for connecting the rotating shaft of the rotating motor; under the driving of the rotating motor, the A shaft 2 can drive the whole mounting shell 1 to perform 360° rotating movement, so as to realize tool switching and three-dimensional cutting and polishing of the casting. The input shaft 511 of the speed reducer 51 is connected to the driving motor 4 to input torque; the output shaft one 512 of the speed reducer 51 outputs torque and can drive the cutting tool 31 to rotate through the electromagnetic clutch one 52 to perform cutting; the output shaft two 513 of the speed reducer 51 outputs torque and can drive the polishing tool 32 to rotate through the electromagnetic clutch two 53 to perform polishing; the working states of the cutting tool 31 and the polishing tool 32 can be controlled by controlling the clutching states of the electromagnetic clutch one 52 and the electromagnetic clutch two 53. The utility model only sets one driving motor 4, which can realize the driving and on-off control of two tools, greatly simplifies the structure of the multi-tool head combination robot, reduces the volume and weight of the tool head mounting part, and significantly reduces the load of the A shaft overhanging arm.

[0044] In some embodiments, the tool assembly 3 further comprises a grinding head assembly 33; the grinding head assembly 33 is mounted on the side wall of the mounting shell 1.

[0045] In some embodiments, the mounting shell 1 has a first mounting side wall 11, a second mounting side wall 12, a third mounting side wall 13 and a fourth mounting side wall 14; the housing of the driving motor 4 is fixedly mounted on the outer side of the first mounting side wall 11, and the cutting tool 31 is rotationally mounted on the outer side of the second mounting side wall 12; the grinding head assembly 33 is mounted on the outer side of the third mounting side wall 13, and the polishing tool 32 is rotationally mounted on the outer side of the fourth mounting side wall 14.

[0046] The driving motor 4, the cutting tool 31, the polishing tool 32 and the grinding head assembly 33 are distributed on the four outer wall surfaces of the mounting shell 1, so as to realize the separation of the multi-tool heads in space and the mutual non-interference during work.

[0047] In some embodiments, the first mounting side wall 11 and the third mounting side wall 13 are arranged oppositely; and the second mounting side wall 12 and the fourth mounting side wall 14 are arranged oppositely.

[0048] By symmetrically distributing the driving motor 4 and the grinding head assembly 33 on one set of opposite outer side walls of the mounting shell 1, and symmetrically arranging the cutting tool 31 and the grinding tool 32 on another set of opposite outer side walls of the mounting shell 1, the A-axis 2 can be more balanced in force.

[0049] In some embodiments, the speed reducer 51 is a right-angle speed reducer.

[0050] Specifically, the speed reducer 51 is a single-input shaft, double-output shaft right-angle speed reducer; the output shaft one 512 and the output shaft two 513 of the speed reducer 51 are coaxial; the input shaft of the speed reducer 51 is perpendicular to the output shaft one 512 and the output shaft two 513 of the speed reducer 51. The output shaft one 512 of the speed reducer 51 is connected to the input end of the electromagnetic clutch one 52 through a key groove to transmit torque; the output shaft two 513 of the speed reducer 51 is connected to the input end of the electromagnetic clutch two 53 through a key groove to transmit torque.

[0051] The speed reducer 51 is a single-input shaft, double-output shaft right-angle speed reducer, which can be adapted to the spatial layout of the cutting tool 31, the grinding tool 32, and the driving motor 4.

[0052] In some embodiments, the grinding head assembly 33 includes a grinding head mounting bracket 331, a grinding head motor 332, and a grinding head 333; one end of the grinding head mounting bracket 331 is fixed perpendicularly on the third mounting side wall 13 through bolts; the housing of the grinding head motor 332 is fixedly installed on the grinding head mounting bracket 331 through bolts; the grinding head 333 is installed on the rotating shaft of the grinding head motor 332.

[0053] The grinding head mounting bracket 331 is used to spatially separate the grinding head motor 332 from the mounting shell 1 to avoid the cutting tool 31 and the grinding tool 32; the grinding head motor 332 is used to drive the grinding head 333 to rotate for grinding.

[0054] Specifically, the rotating shaft of the grinding head motor 332 is arranged in parallel with the A-axis.

[0055] In some embodiments, the transmission assembly 5 further includes a transmission shaft one 54 and a transmission shaft two 55; the transmission shaft one 54 penetrates through the second mounting side wall 12 perpendicularly and is rotationally connected through a bearing; one end of the transmission shaft one 54 is transmissionally connected to the electromagnetic clutch one 52, and the other end (output end) of the transmission shaft one 54 is coaxially transmissionally connected to the cutting tool 31; the transmission shaft two 55 penetrates through the fourth mounting side wall 14 perpendicularly and is rotationally connected through a bearing; one end of the transmission shaft two 55 is transmissionally connected to the electromagnetic clutch two 53, and the other end (output end) of the transmission shaft two 55 is coaxially transmissionally connected to the grinding tool 32.

[0056] The cutting tool 31 is rotatably connected to the second mounting side wall 12 of the mounting shell 1 through a transmission shaft 1, and the polishing tool 32 is rotatably connected to the fourth mounting side wall 14 of the mounting shell 1 through a transmission shaft 2; the reducer 51 is supported by the output shaft, the transmission shaft 1 and the transmission shaft 2 in the mounting shell 1.

[0057] In some embodiments, the cutting tool 31 is a disc-shaped cutting tool head arranged parallel to the outer side of the second mounting side wall 12, and the polishing tool 32 is a polishing wheel arranged parallel to the outer side of the fourth mounting side wall 14.

[0058] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0059] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A multi-tool head assembly for cutting and grinding of castings, characterized in that, Include: Mounting shell (1), A shaft (2) connected to the top of the mounting shell (1); Cutter assembly (3) including cutting tool (31) and polishing tool (32); the cutting tool (31) and the polishing tool (32) are both rotatably mounted on the outer side wall of the mounting shell (1); Drive motor (4); the drive motor (4) is mounted on the mounting shell (1); Transmission assembly (5) including reducer (51), electromagnetic clutch one (52) and electromagnetic clutch two (53) arranged inside the mounting shell (1); the output shaft of the drive motor (4) is drivingly connected to the input shaft (511) of the reducer (51); one end of the electromagnetic clutch one (52) is drivingly connected to the output shaft one (512) of the reducer (51), and the other end is drivingly connected to the cutting tool (31); one end of the electromagnetic clutch two (53) is drivingly connected to the output shaft two (513) of the reducer (51), and the other end is drivingly connected to the polishing tool (32).

2. The multi-tool head assembly for cutting and grinding of castings as claimed in claim 1 wherein, The cutter assembly (3) further comprises a grinding head assembly (33); the grinding head assembly (33) is mounted on the side wall of the mounting shell (1).

3. The multi-tool head assembly for cutting and grinding of castings as claimed in claim 2 wherein, The mounting shell (1) has a first mounting side wall (11), a second mounting side wall (12), a third mounting side wall (13) and a fourth mounting side wall (14); the drive motor (4) is mounted on the outer side of the first mounting side wall (11), and the cutting tool (31) is rotatably mounted on the outer side of the second mounting side wall (12); the grinding head assembly (33) is mounted on the outer side of the third mounting side wall (13), and the polishing tool (32) is rotatably mounted on the outer side of the fourth mounting side wall (14).

4. The multi-tool head assembly for cutting and grinding of castings as claimed in claim 3 wherein, The first mounting side wall (11) is arranged opposite to the third mounting side wall (13); the second mounting side wall (12) is arranged opposite to the fourth mounting side wall (14).

5. The multi-tool head assembly for cutting and grinding of castings as claimed in claim 4 wherein, The reducer (51) is a right-angle reducer.

6. A multi-tool head assembly for cutting and grinding of castings as claimed in claim 4 wherein, The grinding head assembly (33) includes a grinding head mounting frame (331), a grinding head motor (332) and a grinding head (333); one end of the grinding head mounting frame (331) is fixed perpendicularly on the third mounting side wall (13); the grinding head motor (332) is mounted on the grinding head mounting frame (331); the grinding head (333) is mounted on the rotating shaft of the grinding head motor (332).

7. The multi-tool head assembly of claim 4, wherein: The transmission assembly (5) further comprises a transmission shaft one (54) and a transmission shaft two (55); the transmission shaft one (54) penetrates and is rotatably connected to the second mounting side wall (12), one end of the transmission shaft one (54) is drivingly connected to the other end of the electromagnetic clutch one (52), and the other end of the transmission shaft one (54) is drivingly connected to the cutting tool (31); the transmission shaft two (55) penetrates and is rotatably connected to the fourth mounting side wall (14), one end of the transmission shaft two (55) is drivingly connected to the other end of the electromagnetic clutch two (53), and the other end of the transmission shaft two (55) is drivingly connected to the polishing tool (32).

8. A multi-tool head assembly for cutting and grinding of castings as claimed in claim 7 wherein, The cutting tool (31) is a disc-shaped cutting head arranged parallel to the outer side of the second mounting side wall (12); the polishing tool (32) is a polishing wheel arranged parallel to the outer side of the fourth mounting side wall (14).

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