Broach mechanism of motorized spindle

Abstract

The utility model belongs to the technical field of motorized spindles, and particularly relates to a broach mechanism of a motorized spindle, which comprises a spindle core, a fixing block is arranged in an inner cavity of the spindle core, moving grooves are arranged on two sides of the fixing block, a blocking groove is arranged at the tail end of the moving groove on the right side, a pull rod is arranged in the moving groove, and connecting rings are arranged at two ends of the pull rod. Fixing rings are slidably connected to the middle of the pull rod, a stop block is arranged on the outer side of the connecting ring on the right side, a connecting rod is installed on the outer side of the stop block, and a spring is arranged between the two fixing rings and the connecting ring. And through the arrangement of the limiting groove and the fixing ring, the pull rod can be more stable in the moving process, the pull rod is prevented from deviating and shaking in the moving process, the tool changing efficiency of the electric spindle is improved, and compared with the prior art, the practicability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spindles, in particular to a broaching mechanism of an electric spindle. Background Art

[0002] Application No. CN202221386098.5 in the prior art discloses a broaching mechanism of an electric spindle, including an axis core, a pull rod, a disc spring retaining ring, and a disc spring. The right end of the disc spring retaining ring is truncated cone-shaped, and the axis core is hollow. A first retaining platform is provided inside the axis core. The left end of the first retaining platform is inclined, and a second retaining platform is provided at the left end of the pull rod. The pull rod is slidably arranged in the axis core, the disc spring retaining ring is sleeved on the pull rod and is located on the left side of the first retaining platform, and the disc spring is sleeved on the pull rod and is located between the second retaining platform and the disc spring retaining ring. The pull rod slides to the right to drive the disc spring to make the disc spring retaining ring slide to the right and fit with the first retaining platform. The utility model utilizes the inclined setting of the disc spring retaining ring and the first stop platform of the shaft core in conjunction with the sliding setting of the second stop platform on the pull rod and the inner wall of the shaft core, so that the pull rod is located at the axial centerline position of the shaft core, and the pull rod can move smoothly left and right in the shaft core, avoiding the problem of sticking of the traditional pull rod during the sliding process, making it convenient for the electric spindle to change tools within the specified time, and effectively improving the tool changing efficiency.

[0003] However, due to the gap between the spring and the pull rod, the pull rod will shake during movement, which affects the tool changing efficiency, so improvements are needed. Utility Model Content

[0004] 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.

[0005] In view of the problems existing in the broaching mechanism of the existing electric spindle, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a tool pulling mechanism for an electric spindle, in which a fixed ring can be slidably connected through a limit groove arranged on the pull rod. The setting of the limit groove and the fixed ring can make the pull rod more stable during movement, prevent the pull rod from deflecting and shaking during movement, improve the tool changing efficiency of the electric spindle, and greatly increase the practicality compared with the existing technology.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A broaching mechanism of an electric spindle, comprising a shaft core;

[0009] A fixed block is provided in the inner cavity of the shaft core, movable grooves are provided on both sides of the fixed block, a blocking groove is provided at the end of the movable groove on the right side, a pull rod is provided in the movable groove, connecting rings are provided at both ends of the pull rod, a fixed ring is slidably connected in the middle of the pull rod, a blocking block is provided on the outer side of the connecting ring on the right side, a connecting rod is installed on the outer side of the blocking block, and a spring is provided between the two fixed rings and the connecting rings.

[0010] As a preferred solution of the broaching mechanism of the electric spindle described in the utility model, wherein: the fixed block is located in the middle position of the shaft core, and the fixed block is fixedly connected to the fixed ring.

[0011] As a preferred solution of the broaching mechanism of the electric spindle described in the utility model, wherein: the connecting ring is fixedly connected to the pull rod and is slidably connected to the shaft core.

[0012] As a preferred solution of the broaching mechanism of an electric spindle described in the utility model, wherein: the spring consists of two springs located on both sides of the fixing ring and fixedly connected to the fixing ring, and the other ends of the two springs are fixedly connected to the fixing ring.

[0013] As a preferred solution of the broaching mechanism of the electric spindle described in the utility model, wherein: a limiting block is arranged on the inner wall of the fixed ring, and the limiting block is slidably connected with the limiting groove.

[0014] As a preferred solution of the tool broaching mechanism of the electric spindle described in the utility model, wherein: the connecting rod passes through the limiting groove and is connected to the tool.

[0015] As a preferred solution of the broaching mechanism of the electric spindle described in the utility model, a buffer pad is installed on the side where the blocking groove contacts the blocking block.

[0016] Compared with the prior art, the beneficial effects of the utility model are: through the limit groove set on the pull rod, the fixed ring can be slidably connected, and the setting of the limit groove and the fixed ring can make the pull rod more stable during movement, preventing the pull rod from deflecting and shaking during movement, thereby improving the tool changing efficiency of the electric spindle, and greatly increasing the practicality compared with the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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:

[0018] Figure 1It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the pull rod of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the spring of the utility model.

[0021] In the figure; 100 shaft core, 110 fixed block, 120 movable groove, 130 blocking groove, 140 pull rod, 150 limit groove, 160 connecting ring, 170 connecting rod, 180 blocking block, 190 spring, 200 fixed ring. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] The utility model provides the following technical solutions: a tool broaching mechanism of an electric spindle, during use, a limit groove arranged on a pull rod can be slidably connected with a fixed ring, and the setting of the limit groove and the fixed ring can make the pull rod more stable during movement, prevent the pull rod from deflecting and shaking during movement, improve the tool changing efficiency of the electric spindle, and greatly increase the practicality compared with the prior art;

[0027] Figure 1-Figure 3 The structure diagram of the first embodiment of the broaching mechanism of the electric spindle of the utility model is shown in FIG. Figure 1-Figure 3 , a broaching mechanism of an electric spindle in this embodiment, the main body of which includes a shaft core 100;

[0028] The inner cavity of the shaft core 100 is provided with a fixed block 110, and movable grooves 120 are provided on both sides of the fixed block 110. A blocking groove 130 is provided at the end of the right movable groove 120. A pull rod 140 is provided in the movable groove 120, and connecting rings 160 are provided at both ends of the pull rod 140. A fixed ring 200 is slidably connected in the middle of the pull rod 140, and a blocking block 180 is provided on the outside of the right connecting ring 160. A connecting rod 170 is installed on the outside of the blocking block 180. A connecting ring 170 is provided between the two fixed rings 200 and the connecting ring 160. A spring 190 is arranged, a fixed block 110 is located in the middle of the shaft core 100, the fixed block 110 is fixedly connected to the fixed ring 200, the connecting ring 160 is fixedly connected to the pull rod 140, and is slidably connected to the shaft core 100, the spring 190 is composed of two springs 190 located on both sides of the fixed ring 200, and is fixedly connected to the fixed ring 200, the other ends of the two springs 190 are fixedly connected to the fixed ring 200, a limiting block is arranged on the inner wall of the fixed ring 200, the limiting block is slidably connected to the limiting groove 150, and the connecting rod 170 passes through the limiting groove 150 and is connected to the tool. The side where the blocking groove 130 contacts the blocking block 180 is equipped with a buffer pad 1. The shaft core 100 is used to open the moving groove 120 and the blocking groove 130. The moving groove 120 is used to carry the fixed block 110 and the bearing rod 140. The fixed block 110 is used to be fixedly connected with the fixing ring 200, and a limiting block is set on its inner wall, so as to be slidably connected with the rod 140 and limit the rod 140. The blocking groove 130 is used to carry the rod 1 A blocking block 180 is provided on one side of the pull rod 140 to limit the position thereof, the pull rod 140 is used to carry the connecting ring 160, and a limiting groove 150 is provided, the connecting ring 160 is used to cooperate with the fixing ring 200 to connect with the spring 190, the limiting groove 150 is used to limit the movement of the pull rod 140 to prevent tilting and shaking, the connecting rod 170 is used to connect the tool, the spring 190 is used to drive the pull rod 140 to move, and the fixing ring 200 is used to cooperate with the connecting ring 160 to carry the spring 190;

[0029] Combination Figure 1-Figure 3 The tool broaching mechanism of an electric spindle in this embodiment has the following specific working principle: the limiting groove 150 provided on the pull rod 140 can be used to make a sliding connection with the fixing ring 200. The setting of the limiting groove 150 and the fixing ring 200 can make the pull rod 140 more stable during movement, prevent the pull rod 140 from deflecting and shaking during movement, improve the tool changing efficiency of the electric spindle, and greatly increase the practicality compared with the prior art.

[0030] 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 broaching mechanism for an electric spindle, characterized in that: comprising an axis core (100); A fixed block (110) is provided in the inner cavity of the shaft core (100), movable grooves (120) are provided on both sides of the fixed block (110), a blocking groove (130) is provided at the end of the movable groove (120) on the right side, a pull rod (140) is provided in the movable groove (120), connecting rings (160) are provided at both ends of the pull rod (140), a fixed ring (200) is slidably connected in the middle of the pull rod (140), a blocking block (180) is provided on the outer side of the connecting ring (160) on the right side, a connecting rod (170) is installed on the outer side of the blocking block (180), and a spring (190) is provided between the two fixed rings (200) and the connecting ring (160).

2. The broaching mechanism of an electric spindle according to claim 1, characterized in that: The fixing block (110) is located in the middle of the shaft core (100), and the fixing block (110) is fixedly connected to the fixing ring (200).

3. The broaching mechanism of an electric spindle according to claim 1, characterized in that: The connecting ring (160) is fixedly connected to the pull rod (140) and is slidably connected to the shaft core (100).

4. The broaching mechanism of an electric spindle according to claim 1, characterized in that: The spring (190) consists of two springs located on both sides of the fixing ring (200) and fixedly connected to the fixing ring (200), and the other ends of the two springs (190) are fixedly connected to the fixing ring (200).

5. The broaching mechanism of an electric spindle according to claim 1, characterized in that: A limiting block is arranged on the inner wall of the fixing ring (200), and the limiting block is slidably connected to the limiting groove (150).

6. The broaching mechanism of an electric spindle according to claim 1, characterized in that: The connecting rod (170) passes through the limiting groove (150) and is connected to the tool.

7. The broaching mechanism of an electric spindle according to claim 1, characterized in that: A buffer pad is installed on the side of the blocking groove (130) that contacts the blocking block (180).

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