Tool changing electric spindle

Abstract

The utility model belongs to the technical field of motorized spindles, and particularly relates to a tool changing motorized spindle which comprises a shell, a motorized spindle body is arranged in the shell and comprises a shaft rod, a pulling claw and a connector are installed on the shaft rod, an inserting groove is formed in the connector, an electromagnet is installed in the inserting groove, and the pulling claw and the connector are arranged in the shell. The connector is connected with the cutter handle, an inserting rod is arranged on the cutter handle, a bearing groove is formed in the tail end of the inserting rod, a permanent magnet is installed in the bearing groove, the cutter handle can be clamped and fixed through the connector installed on the shaft rod and the pull claw, and the cutter handle can be clamped and fixed through the inserting groove formed in the connector and the installed electromagnet. The electric spindle can be inserted into an inserting rod installed on the cutter handle and connected with the permanent magnet in the bearing groove in an adsorption mode, through cooperation of the permanent magnet and the electromagnet, rapid connection and disassembly of the cutter handle and the electric spindle can be achieved, and compared with the prior art, practicability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spindles, in particular to a tool-changing electric spindle. Background Art

[0002] Application No. CN202221988091.0 in the prior art discloses a tool-changing electric spindle, comprising a motor, a motor shaft is provided inside the motor, and a connecting rod is provided inside the motor shaft; a cylinder is provided at one end of the motor, and the cylinder comprises a housing and a first part, a second part and a cylinder shaft installed inside the housing; a mounting hole for installing a sensor is also provided on the housing, and a piston is provided at one end of the cylinder shaft; the piston slides in the first part, and the first part is also provided with a first air inlet and a second air inlet; an end of the cylinder shaft away from the piston passes through the second part and extends outwardly and is connected to the connecting rod; an air source is injected into the first part from different directions through the first air inlet and the second air inlet, so that the piston slides in the first part, so as to drive the connecting rod to slide in the motor shaft. The above method reduces the processing, production and use costs of the cylinder. However, the tool-changing electric spindle needs to move the gripper during the tool-changing process, driving the gripper to move inward to fix the tool handle. During this process, the gripper will rub against the housing, causing wear of the gripper and shortening its service life. Therefore, it needs to be improved. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the problems existing in the existing tool-changing electric spindles, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a tool-changing electric spindle, through the connecting head installed on the shaft rod, and the pulling claw, the tool handle can be supported and fixed, through the plug-in slot opened on the connecting head and the installed electromagnet, it can be plugged with the plug-in rod installed on the tool handle, and can be adsorbed and connected with the permanent magnet in the bearing slot, and through the cooperation of the permanent magnet and the electromagnet, the tool handle and the electric spindle can be quickly connected and disassembled, which greatly increases the practicality compared with the existing technology.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A tool-changing electric spindle comprises a housing;

[0008] An electric spindle is arranged in the shell, and the electric spindle includes a shaft rod, a pull grip and a connector are installed on the shaft rod, a plug-in slot is provided on the connector, an electromagnet is installed in the plug-in slot, the connector is connected to the tool handle, a plug-in rod is provided on the tool handle, a bearing slot is provided at the end of the plug-in rod, and a permanent magnet is installed in the bearing slot.

[0009] As a preferred solution of the tool-changing electric spindle described in the utility model, wherein: the inner cavity of the shell is provided with a cavity, and the electromagnet shaft, the limit ring and the pulling claw are arranged in the cavity.

[0010] As a preferred solution of the tool-changing electric spindle described in the utility model, wherein: the end of the pulling grip is rotatably connected to the shaft rod, and the pulling grips are two and are arranged opposite to each other.

[0011] As a preferred solution of the tool-changing electric spindle described in the utility model, wherein: the limit ring is located on the outside of the pulling grip and is fixedly connected to the housing.

[0012] As a preferred solution of the tool-changing electric spindle described in the utility model, a plug-in rod is plugged into the plug-in slot, and the plug-in rod is clamped with the pulling claw.

[0013] As a preferred solution of the tool-changing electric spindle described in the utility model, the electromagnet is adsorbed and connected with the permanent magnet.

[0014] As a preferred solution of the tool-changing electric spindle described in the utility model, a spring is installed between the two pulling claws, and the spring is fixedly connected to the inner wall of the pulling claws.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the tool handle can be supported and fixed by the connecting head installed on the shaft rod and the pulling claw, and can be plugged into the plug-in rod installed on the tool handle through the plug-in slot opened on the connecting head and the installed electromagnet, and can be adsorbed and connected with the permanent magnet in the bearing slot, and the cooperation of the permanent magnet and the electromagnet can realize the quick connection and disassembly of the tool handle and the electric spindle, which greatly increases the practicality compared with the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a side structural schematic diagram of the utility model.

[0020] In the figure, 100 is a housing, 110 is an electric spindle, 120 is a shaft, 130 is a limit ring, 140 is a pull grip, 150 is a connector, 151 is a plug-in slot, 152 is an electromagnet, 160 is a cavity, 170 is a tool handle, 180 is a plug-in rod, 190 is a bearing slot, and 191 is a permanent magnet. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objectives, features and advantages of the tool-changing electric spindle of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0023] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0024] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The utility model provides the following technical solutions: a tool-changing electric spindle, during use, the tool handle can be supported and fixed by a connector installed on the shaft rod and a pull claw, the connector can be plugged with a plug-in rod installed on the tool handle through a plug-in slot and an installed electromagnet, and can be adsorbed and connected with a permanent magnet in a bearing slot, and the tool handle can be quickly connected and disassembled with the electric spindle through the cooperation of the permanent magnet and the electromagnet, which greatly increases the practicality compared with the prior art;

[0026] Figure 1-Figure 3 The structure diagram of the first embodiment of the tool changing electric spindle of the utility model is shown in FIG. Figure 1-Figure 3, a tool-changing electric spindle of this embodiment, its main body includes a housing 100;

[0027] The housing 100 is provided with an electric spindle 110, which includes a shaft 120, on which a pull grip and a connector 150 are installed, on which a plug slot 151 is provided, in which an electromagnet 152 is installed, the connector 150 is connected to a tool handle 170, on which a plug rod 180 is provided, at the end of which a bearing slot 190 is provided, in which an electromagnet 152 is installed The housing 100 has a permanent magnet 191, a cavity 160 is provided in the inner cavity of the housing 100, an electromagnet 152 is provided in the cavity 160, a shaft 120, a limiting ring 130 and a pull claw 140 are provided, the pull claw end is rotatably connected to the shaft 120, and the pull claws are arranged in two opposite positions, the limiting ring 130 is located on the outside of the pull claw and is fixedly connected to the housing 100, a plug-in rod 180 is plugged into the plug-in slot 151, and the plug-in rod 180 and the pull claw 140 are clamped. The electromagnet 152 is connected to the permanent magnet 191 by adsorption, a spring is installed between the two claws 140, and the spring is fixedly connected to the inner wall of the claw 140. The housing 100 is used to open a cavity 160, and the cavity 160 is used to carry the limit ring 130 and the claw 140 of the electric spindle 110. The electric spindle 110 includes a shaft 120, and the shaft 120 is used to connect with the claw 140. The limit ring 130 is used to clamp the tool handle 170 in the inner cavity of the claw 140 when the shaft 120 drives the claw 140 to move. The connector 150 is used to open a plug-in slot 151, and the plug-in slot 151 is used to carry the plug-in rod 180 and the electromagnet 152. The electromagnet 152 is used to be adsorbed and connected with the permanent magnet 191, and the tool handle 170 is used to carry the plug-in rod 180. The plug-in rod 180 is used to open a bearing slot 190, and the bearing slot 190 is used to carry the permanent magnet 191.

[0028] Combination Figure 1-Figure 3 The tool-changing electric spindle of the present embodiment has the following specific working principle. The tool handle 170 can be supported and fixed by the connecting head 150 and the pulling claw 140 installed on the shaft rod 120. The plug-in slot 151 and the plug-in slot 151 and the installed electromagnet 152 can be plugged with the plug-in rod 180 installed on the tool handle 170, and can be adsorbed and connected with the permanent magnet 191 in the bearing slot 190. Through the cooperation of the permanent magnet 191 and the electromagnet 152, the tool handle 170 and the electric spindle 110 can be quickly connected and disassembled, which greatly increases the practicality compared with the existing technology.

[0029] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A tool-changing electric spindle, characterized in that: comprising a housing (100); An electric spindle (110) is arranged in the housing (100), and the electric spindle (110) includes a shaft (120), and a pull grip and a connector (150) are installed on the shaft (120), and a plug-in slot (151) is provided on the connector (150), and an electromagnet (152) is installed in the plug-in slot (151), and the connector (150) is connected to a tool handle (170), and a plug-in rod (180) is provided on the tool handle (170), and a bearing slot (190) is provided at the end of the plug-in rod (180), and a permanent magnet (191) is installed in the bearing slot (190).

2. The tool-changing electric spindle according to claim 1, characterized in that: The inner cavity of the housing (100) is provided with a cavity (160), and the cavity (160) is provided with an electromagnet (152), a shaft (120), a limiting ring (130) and a pulling claw (140).

3. The tool-changing electric spindle according to claim 1, characterized in that: The end of the pulling grip is rotatably connected to the shaft (120), and the pulling grips are two and arranged opposite to each other.

4. The tool-changing electric spindle according to claim 2, characterized in that: The limiting ring (130) is located outside the pulling grip and is fixedly connected to the outer shell (100).

5. The tool-changing electric spindle according to claim 1, characterized in that: An inserting rod (180) is inserted into the inserting slot (151), and the inserting rod (180) is clamped with the pulling claw (140).

6. The tool-changing electric spindle according to claim 1, characterized in that: The electromagnet (152) is adsorbed and connected to the permanent magnet (191).

7. The tool-changing electric spindle according to claim 2, characterized in that: A spring is installed between the two pulling claws (140), and the spring is fixedly connected to the inner wall of the pulling claw (140).

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